29
SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE Sl.No Description Value/Parameter/Detail 1 SCOPE Supply, installation and commissioning of a 3- axis CNC Vertical Machining Centre(VMC) as per the technical specifications given below: 2 3 3.1 4 4.1 4.2 4.3 5 5.1 Table size 1000mm x 500mm (Nominal) 5.2 Job carrying capacity 500kg(Nominal) 5.3 Height of table from floor (including levelling elements) 1000mm(Nominal) 5.4 T-slots Provide full details 5.5 T-slot orientation Parallel to X-axis 6 6.1 Table longitudinal travel (X axis) 800mm (Nominal) 6.2 Table cross travel (Y axis) 500mm (Nominal) 6.3 Headstock travel (Z axis) 500mm (Nominal) 6.4 Minimum distance between spindle face and table top surface 150mm(Nominal) 7 7.1 Rapid traverse for linear axes (X,Y,Z) 20m/min(min.) 7.2 Cutting feed rate for linear axes (X,Y,Z) 0-10m/min(min.) 8 8.1 Positional uncertainty (P) 10microns or better 8.2 Positional scatter (U) 6microns or better 8.3 ANNEXURE-1 2.1 MOVING TABLE FEEDS Bidder shall submit documentary proof for positional accuracies for offered machine model POSITIONAL ACCURACIES FOR LINEAR AXES (X,Y,Z) (As per VDI/DGQ 3441 standard) MACHINE CONSTRUCTION The machine shall have C-type frame with fixed column and moving table design having firm base and rigid construction. The base and column shall be made up of high quality grey cast iron castings. The machine structure shall be sufficiently stress relived, have vibration damping characteristics and adequately ribbed to provide maximum stiffness. Bidder shall clearly specify Make and Model of the machine MACHINE DETAILS b) State of the art CNC control system and drives c) Speed - torque characteristics capable of machining aerospace grade steels upto 45HRc, stainless steel, HRSA material (Ni or Ti based), Al alloys etc. d) CNC controller : SIEMENS 828D/ Heidenhain TNC 620 with latest version Standard catalogues of the offered machine shall be enclosed Country of origin of the offered machine shall be exclusively specified MACHINE DESCRIPTION MACHINE CAPACITY The machine shall be a CNC controlled vertical machining centre(VMC) consisting of three linear axes (X, Y & Z) with moving table and fixed column configuration. The machine should have following features : a) Working of all axes simultaneously TECHNICAL SPECIFICATIONS AND TERMS & CONDITIONS Page 1 of 10

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Page 1: SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL … · 2020. 2. 13. · SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE Sl.No Description Value/Parameter/Detail

SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE

Sl.No Description Value/Parameter/Detail

1 SCOPE

Supply, installation and commissioning of a 3-

axis CNC Vertical Machining Centre(VMC) as

per the technical specifications given below:

2

3

3.1

4

4.1

4.2

4.3

5

5.1 Table size 1000mm x 500mm (Nominal)

5.2 Job carrying capacity 500kg(Nominal)

5.3Height of table from floor (including levelling

elements)1000mm(Nominal)

5.4 T-slots Provide full details

5.5 T-slot orientation Parallel to X-axis

6

6.1 Table longitudinal travel (X axis) 800mm (Nominal)

6.2 Table cross travel (Y axis) 500mm (Nominal)

6.3 Headstock travel (Z axis) 500mm (Nominal)

6.4Minimum distance between spindle face and

table top surface150mm(Nominal)

7

7.1 Rapid traverse for linear axes (X,Y,Z) 20m/min(min.)

7.2 Cutting feed rate for linear axes (X,Y,Z) 0-10m/min(min.)

8

8.1 Positional uncertainty (P) 10microns or better

8.2 Positional scatter (U) 6microns or better

8.3

ANNEXURE-1

2.1

MOVING TABLE

FEEDS

Bidder shall submit documentary proof for positional accuracies for offered machine model

POSITIONAL ACCURACIES FOR LINEAR AXES (X,Y,Z) (As per VDI/DGQ 3441 standard)

MACHINE CONSTRUCTION

The machine shall have C-type frame with fixed column and moving table design having

firm base and rigid construction. The base and column shall be made up of high quality

grey cast iron castings. The machine structure shall be sufficiently stress relived, have

vibration damping characteristics and adequately ribbed to provide maximum stiffness.

Bidder shall clearly specify Make and Model of the machine

MACHINE DETAILS

b) State of the art CNC control system and drives

c) Speed - torque characteristics capable of machining aerospace grade steels upto

45HRc, stainless steel, HRSA material (Ni or Ti based), Al alloys etc.

d) CNC controller : SIEMENS 828D/ Heidenhain TNC 620 with latest version

Standard catalogues of the offered machine shall be enclosed

Country of origin of the offered machine shall be exclusively specified

MACHINE DESCRIPTION

MACHINE CAPACITY

The machine shall be a CNC controlled vertical machining centre(VMC) consisting of

three linear axes (X, Y & Z) with moving table and fixed column configuration. The

machine should have following features :

a) Working of all axes simultaneously

TECHNICAL SPECIFICATIONS AND TERMS & CONDITIONS

Page 1 of 10

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SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE

Sl.No Description Value/Parameter/Detail

9GEOMETRICAL ACCURACIES FOR LINEAR

AXES (X,Y,Z)

As per ISO 10791-2 or equivalent international

standard. Bidder shall submit documentary proof

for geometrical accuracies for offered machine

model

10

10.1 Spindle type

Digitally controlled 3-phase AC servo motor with

High torque Direct drive/ belt driven/geared

spindle. Provide details

10.2 Spindle drive elementsFull details of the spindle drive elements, bearing,

thermal management etc. shall be submitted

10.3 Spindle Nose taper SK40

10.4 Tool clampingPneumatic/Hydraulic. Provide details of the

mechanism

10.5 Spindle speed range 60-6000rpm(min.), infinitely variable

10.6 Spindle Motor power Pl. Specify

10.7 Spindle torque85Nm(Nominal) over wide speed range @ S1

(100% duty cycle)

10.8 Power-Torque characteristics Spindle Power-Torque charts shall be submitted

10.9 Spindle rated life in hours Pl. Specify

10.10Manual clamping & unclamping of tools to

the spindle

Required through a push button on the head stock.

Provide details

10.11 Spindle nose cleaning before tool clamping Required by compressed air. Provide details

10.12 Faceout at spindle nose 5microns or better

10.13 Runout at spindle nose 5microns or better

10.14Runout at a distance of 300mm from the

spindle nose15microns or better

11

11.1 Axes motors

Digitally controlled 3-phase AC servo motor.

Provide details of drive motor type, make, model

etc.

11.2 Axes drive elements

Full details of the axes drive elements, bearings,

couplings, thermal management etc. shall be

submitted

11.3 Drive capabilityPerformance shall meet high dynamic

requirements.

11.4 Drive elements (for all linear axes)

Pre-loaded re-circulating ball screws of class C3 or

better. Make, model & catalogues of the offered

item shall be submitted

11.5 Linear guideways

Precision linear motion (LM) guideways. Make,

model, Class & catalogues of the offered item shall

be submitted

11.6Z-axis braking to avoid digging of tools during

power failureRequired. Provide details

12

12.1 Type Closed loop feedback

FEEDBACK SYSTEM

AXES & DRIVES

MAIN SPINDLE

Page 2 of 10

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SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE

Sl.No Description Value/Parameter/Detail

12.2 Feedback system for all linear axes

Linear glass scale for all axes (Heidenhain make

preferred). Provide details viz; model, catalogue

etc.

12.3 Resolution 0.001mm

13

13.1 CNC controller

SIEMENS 828D with Shopmill/ Heidenhain TNC620

(latest version). All messages and menu text shall

be in English language. Provide catalogues for

offered model

13.2 Programmable axes Three (X,Y,Z)

13.3 Simultaneous interpolable axes Three (X,Y,Z)

13.4 Hardware

CNC, PLC & Operating console should be of latest

version. Provide details and catalogues for offered

models

13.5 Panel air conditioning Required (Rittal make preferred)

13.6 Panel wiring Should conform to CE norms

13.7 Operator panel

High quality ergonomically designed and fitted with

integrated keyboard & safety buttons for ease of

job loading, programming and operations with IP65

protection.

14

14.1 Display

High resolution 15.4" or more LED colour monitor

with QWERTY keyboard and dynamic graphic

display in English language

14.2 Graphic simulations2D and 3D graphic display and simulation on XY, XZ

and YZ planes

14.3 Metric & inch input Required

14.4Linear, circular, Helical & NURBS

interpolationRequired

14.5 Least input increment 0.001mm

14.6 Block processing time <1ms

14.7 Calculator function Required

14.8 Look-ahead feature Required

14.9Compensations: Cutter radius & length

compensations, pitch error, backlash etc.Required

14.10 Absolute & Incremental programming Required

14.11 Programming mode

ISO programming in metric and inches, interactive

programming and support for JOG, TEACH-IN &

MDI programming modes

14.12 Parametric programming Required

14.13 Background editing & programming Required

14.14

Program repetition, co-ordinate

transformation, scaling, rotation, mirror &

copy capabilities

Required

14.15Canned cycles (Drilling, Milling, rigid tapping,

reaming, boring, Thread milling etc.)Required

14.16 Alarm & Error diagnostic feature Required

PROGRAMMING & CONTROL FEATURES

CNC CONTROL SYSTEM

Page 3 of 10

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SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE

Sl.No Description Value/Parameter/Detail14.17 Hard disk/SSD/CF card 40GB or more

14.18 User NC memory 5MB or better

14.19 No. of programmable work offsets 4(min)

14.20 External interface Ethernet, USB, RS232C ports on operator panel

14.21Speed and feed override rotary switches on

operator panelRequired. Provide details

14.22Automatic repositioning after cycle

interruptionRequired

14.23 Decimal point programming Required

14.24 Block search & skip Required

14.25Display of remaining cycle during execution

of repetitive cycle/sub routineRequired

14.26Multi program storage with program

identificationRequired

14.27 Tool management for tool life monitoring Required. Provide details

14.28 All other specifications As per offered controller

14.29 Passwords for operation & maintenance To be handed over to VSSC

15

15.1

15.2

15.3

15.4

15.5

15.6

15.7

15.8

15.9

15.10

15.11

15.12

15.13

15.14

15.15

15.16

15.17

15.18

15.19

15.20

16

16.1

Portable servo handwheel with axis selector

switch for fine adjustment of axis strokes,

selectable ranges (0.1mm, 0.01mm and

0.001mm)

SIEMENS/HEIDENHAIN make handheld and light

weight design preferred. Provide details with

catalogue of offered model

17

17.1 Recirculating Flood coolant system Required. Provide details

17.2 Coolant outputThrough flexible coolant nozzles surrounding the

spindle nose face(min. 4 nozzles). Provide details

Error messages if any

Mode of operation

Tool under execution

Relative position

Part program

Tool file library

Drive load meter

Spindle speed (Actual & program value)

Feed rate (Actual & program value)

Active command block

Work zero

Spindle running time display

offset number

Machine position

DISPLAY FEATURES

PORTABLE SERVO HAND WHEEL

Program under execution

Absolute position

Distance to go

Tool number

Tool data

COOLANT SYSTEM DETAILS

Block number

Page 4 of 10

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SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE

Sl.No Description Value/Parameter/Detail17.3 Coolant pump pressure Pl. Specify

17.4 Coolant flow rate at specified pressure Pl. Specify

17.5 Coolant supply Programmable via M codes & Manual

17.6 Coolant flush for effective chip evacuation Required. Provide details

17.7 Coolant tank capacity 250ltr(Nominal)

18

18.1 Chip conveyor for effective chip disposal Required. Scrapper type preferred. Provide details

18.2

19

19.1 Lubrication system Centralised lubrication system. Provide details

19.2 Lubrication mode Automatic & Manual

20

20.1 Compressed air requirement

Pl. specify the compressed air requirement viz;

pressure, flow rate etc. for various machine

operations

20.2 Available air pressure 6 bar

20.3 Air quality

Pl. specify purity level for compressed air

mentioning required quality class for particle size,

oil ratio & dew point

20.4 Air dryerSpecification of suitable air dryer shall be

submitted

21

21.1 ATC type Pl. specify. Chain type ATC preferred

21.2 ATC operationAutomatic(via. M-code) & Manual(via push button).

Provide detais

21.3 No.of tools 20(min.)

21.4 Tool change system Provide full details

21.5 Tool management Random bidirectional

21.6 Max. tool diameter (with adjacent tools) 80mm(Nominal)

21.7 Max. tool diameter (without adjacent tools) 120mm(Nominal)

21.8 Max. tool length 250mm(Nominal)

21.9 Max. tool weight 7kg or higher

21.10 Tool interface SK40 or equivalent

21.11 Chip to Chip time Pl. Specify

21.12 Pull stud type Pl. specify

22

22.1

22.2

22.3

22.4

22.5

Machine should be wired for 3 phase 440V/400V AC, 50Hz supply

Electrical control panels shall conform to CE norms

Chip conveyor shall be strategically positioned for easy chip evacuation without hampering

machine operation

Power,control & circuit elements shall be properly labelled as per circuit diagram with proper

labeling and color coding

ELECTRICAL CONNECTIONS & SUPPLY

Electrical cabinet (RITTAL make preferred), IP54 protection, including air cooling unit and internal

lighting shall be provided

PNEUMATIC DETAILS

CHIP MANAGEMENT SYSTEM

AUTOMATIC TOOL CHANGER (ATC)

LUBRICATION SYSTEM

The electrical insulation shall be fully tropicalized and electric system shall be suitable for

operation on the specified supply

Page 5 of 10

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SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE

Sl.No Description Value/Parameter/Detail

22.6

22.7

23

23.1

24

24.1

24.2

24.3

24.4

24.5

24.6

24.7

24.8

24.9

24.10

24.11

24.12

24.13

24.14

24.15

24.16

24.17

25

25.1

25.2

25.3

25.4

25.5

25.6

Power/Electrical load (KVA rating) and Voltage (V) requirement of machine shall be specified

STANDARD ACCESSORIES (To be supplied with the machine)

All moving parts, guideways, ball screws etc. shall be protected against metallic dust generated

during machining by providing suitable covers/bellows wherever necessary. Telescoping cover

shall be made of rust proof materials such as stainless steel.

Machine guarding and doors for safe working as per international standards shall be provided

Control system elements shall be enclosed in a dust-proof cabin with air conditioning for

protection against dust generated during machining

Chip conveyor

Coolant tank

Oil skimmer

Compressed air gun for cleaning of chips from the table

Coolant spray gun with suitable pneumatic pump

All other safety features are to be complied with CE norms

Software limit switches are to be provided to restrict the total slide travel, maximum feed

velocity and maximum spindle speed. Hardware features shall also be available for controlling the

above movements.

Improper tool clamping in the spindle nose shall inhibit spindle rotation and error is to be

displayed on the control screen.

The safety features shall include safety devices against overloading of any drive, over travel of any

slide and interlock against conflicting motions

When any of the machine functions like spindle rotation, slide movement, ATC movement

etc. come to be a stop without being programmed to stop, the machine shall come to stop,

and shall be operated only in the manual mode till the fault is rectified.

Mushroom type emergency stop button shall be provided on the machine, which shall be easily

accessible and capable of disabling the machine, drives in case of emergency

Ducting areas/cutouts should be properly sealed to avoid entry of rodents into the critical area of

the machine

Entire metal surface should be properly treated to prevent corrosion

All sensors, actuators and motor labels are to be printed in metal labels and riveted for more

reliability and ease of maintenance

Emergency stop & retraction function shall be provided for protection against power failure

Working area of the machine shall have safety enclosure with transparent windows

Automatic machine shut off with warning in the event of lubrication or coolant failure, spindle off

and axis over travel shall be provided

WORKING CONDITION

MACHINE GUARDING & SAFETY FEATURES

The machine should work with no complaints in tropicalised condition with temperature of upto

40°C & 95%RH in Trivandrum, India. Supplier should confirm the trouble free operation of

machine in that environmental condition.

Chip tank

The tool shall not get unclamped in the event of power failure or an emergency stop

The machine must be equipped with all safety features necessary to protect the machine, control

and the operator while in operation from possible damage/injury

The machine shall be permitted upto 85dBA noise levels as per VSSC standards. Provide details.

Page 6 of 10

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SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE

Sl.No Description Value/Parameter/Detail25.7

25.8

25.9

25.10

25.11

25.12

25.13

25.14

25.15

25.16

25.17

26

26.1

26.2

26.3

26.4

26.5

27

27.2

27.3

27.4

28

28.1 Total height Pl.Specify

28.2 Floor space, W x D Pl.Specify

28.3 Total weight of the machine Pl.Specify

28.4Machine layout with and without chip

conveyor Pl. provide relevant machine layout drawings

29

29.1

29.2

29.3

27.1

Vendor shall not quote the essential items required for initial operation of the machine as spare.

Cost of spare will not be considered for comparison of the offers

Machine foundation with levelling plates/pads & screws

The vendor shall provide list of OEM recommended line wise essential spares required for trouble

free operation & maintenance of the machine for TWO years under following headings. These

items has to be supplied along with the machine:

Performance certificates issued by at least THREE reputed users of offered machine model

supplied during last five years shall be furnished along with the offer

GENERAL TERMS & CONDITION

First fill of all oils and lubricants

Cabin type splash guard

Coolant level indicator

Hydraulic oil level indicator if applicable

MACHINE DIMENSIONS

LED lights for work area illumination

3-tier Process completion lamp

Vendor should ensure the availability of spares & service support for the next ten years of

operation of the machine with documentary evidence. Any complaints after intimation should be

attended at the earliest. An undertaking for the same shall be submitted.

Pull studs - 30Nos

Electronic servo hand wheel (Manual Pulse Generator – Siemens/Heidenhain make)

Sliding door with safety interlock

Tool tip air nozzle for dry machining

The bid shall be prepared, signed and submitted by the manufacturer only. Complete address,

contact person, telephone and fax numbers of original manufacturer of the equipment shall be

provided.

Reference list of machines of offered model supplied in last five years with postal address, contact

person, E-mail ID, contact numbers etc. shall be furnished(preferably R&D, Govt. and aerospace

establishments) along with technical bid

ESSENTIAL SPARES (Must be quoted)

Optional Accessories (To be quoted separately)

i) Machine consumables (Lubricants, filters etc.). Please provide detailed list

Suitable air dryer of reputed make

Suitable voltage stabiliser with isolation transformer of make: Servomax/Neel/Consul etc.

Through coolant system with filters (Provide full details)

Suitable Test mandrel for spindle(length: 300mm)

TPM friendly design

v) Any other relevant spares with details

ii) Mechanical spares. Please provide detailed list

iii) Hydraulic/pneumatic spares. Please provide detailed list

iv) Electrical & electronic spares. Please provide detailed list

Page 7 of 10

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SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE

Sl.No Description Value/Parameter/Detail

29.4

29.5

29.6

29.7

29.8

30

30.1

30.2

30.3

30.4

30.5

30.6

30.7

30.8

31

31.1

31.2

31.3

31.4

31.5

Full power test: Machine maximum power and torque demonstration test (@ 100% Duty cycle) as

per international standards for establishing the suitability of spindle with machine and monitoring

the levels of vibrations and machine health parameters. The test shall be performed in presence

of VSSC engineers and performance report shall be submitted during PDI. Vendor shall have all

the required facilities and arrangements for conducting full power test

The basic size of the machine (Height x Width x Length) for transferring to installation location

should be specified within one month after receipt of the order. This dimension is required to

make provision/arrangement for the entry of the machine to the site.

Endurance test: Supplier shall carry out minimum 24hrs of continuous running at manufacturer's

premises and in case of any defect developing during continuous running, the test shall be

repeated for another 24hrs till trouble free operation. Endurance test report to be submitted to

VSSC during PDI

INSTALLATION AND COMMISSIONING

The Installation & commissioning shall be done by the vendor's trained personal at VSSC site.

Dispatch clearance of the machine shall be given by VSSC personnel at vendor’s site after

satisfactory completion of all the steps mentioned above.

Machining of test pieces as per NAS/ISO tests. All the necessary tools, instruments and materials

for above tests are to be arranged by vendor

Tests for ensuring positioning accuracies & repeatability, geometrical tests, laser calibration,

performance test etc. as done in PDI shall be done again at VSSC site to confirm the quality and

performance of the machine.

Foundation kit viz; vibration mounts, bolts etc required for foundation shall be supplied by the

vendor.

Requirements viz; power, water and compressed air connection etc required for operation of the

machine shall be intimated to VSSC by the vendor immediately after receipt of the order.

VSSC reserves right to verify the information provided by the bidder for all clauses mentioned

above. In case if there is any suppression of facts or the information provided by the bidder is

found to be false/incorrect, the offer shall be summarily rejected.

VSSC reserves right to evaluate the machines listed in the previous point as a part of technical

evaluation and vendor should arrange for the same on our intimation

PRE-DELIVERY INSPECTION & ACCEPTANCE

Demonstration of all features of the machine, control system & accessories

Presentation of all original certificates, documents, reports, manuals of OEMs of all supplied

components connected to the machine

Necessary Laser Calibration and machine tuning with ballbar shall be carried out to prove the

positional and interpolation accuracies offered in the bid

If the bidder is from a foreign country, bidder must have dedicated service centre/service

partner in India. The service centre must have been functioning during last 5 years and have

proven track record of servicing. They shall have trained and experienced service personnel to

provide service support. Please give complete details with documentary evidence.

The offered machine shall be a standard and proven model available in the manufacturer’s

product range

The machine shall be inspected as per VDI/DGQ 3441 standard for positional accuracies and ISO

standards for geometrical accuracies at manufacturer's premises.

Bidder may submit the filled compliance statement vis'-a-vis' technical specifications of the

tender enquiry along with the technical offer

Page 8 of 10

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SUPPLY, INSTALLATION COMMISSIONING OF CNC VERTICAL MACHINING CENTRE

Sl.No Description Value/Parameter/Detail

31.6

31.7

31.8

31.9

31.10

32

32.1

32.2

33 DOCUMENTATIONTHREE sets of following documents shall be

supplied along with machine

33.1

33.2

33.3

33.4

33.5

33.6

33.7

33.8

33.9

33.10

33.11

33.12

33.13

33.14

33.15

33.16

Machine diagram indicating all the service items for easy understanding of location

Maintenance manuals for various systems & sub-systems

Detailed specification of all rubber items and hydraulic/lube fittings

Backup of all data(NC, CNC, HMI, etc.) to be provided in a working mirror hard disc needed for

replacement in the event of failure of original hard disc

Sub-assembly drawings

Catalogues/ OEM Manuals of bought out items

Printouts/CD of ladder diagrams(PLC programms) of the machine, machine data, sub routines,

circuit diagrams of PCBs etc. for trouble shooting

The Bidder or their agent would be required to carry out a joint check at the consignee’s

end along with VSSC, before unpacking is done, to avoid subsequent complaints regarding

short shipment/transit damages etc. It is necessary that the joint inspection be done

immediately on the receipt of the machine.

The Bidder is responsible for any breakage/damage to the machine or its equipment/

accessories/tools holders etc. during erection/commissioning of the machine. Bidder shall

rectify/replace such damage parts free of cost at site with original parts.

Complete list of spares & consumables for the machine and its accessories along with spares

specification, type, model and name & address of the spare supplier/sub-suppliers

All the lubricating oil, Hydraulic oil, grease etc are to be prefilled by the vendor. Specifications of

oil shall be of international standard available in the free market

Electric & Electronic circuit drawings for control system, DC/SC drives and interface for

component level trouble-shooting

Calibration certificates with periodicity for all measurable items with calibration procedure/

sources/ periodicity for all the gauges and instruments used in the machine

Preventive maintenance check list, troubleshooting charts and guidelines

A component for prove out shall be decided on mutual discussion and machining of same shall be

demonstrated after installation for proving the machining capability

Detailed foundation design requirements, final foundation drawings, layout drawings

etc. if applicable shall be provided by the bidder to VSSC immediately after PO release and its

acceptance. The scope of foundation preparation as per bidder’s drawing is under VSSC scope.

TRAINING

The vendor shall provide training to Two VSSC Engineers in Operation and Maintenance

(Mechanical, Electrical/Electronics and CNC system) of the machine at Vendor’s works for a period

of one week.

Operation & Programming instruction manual

Manufacturing drawings for all supplied tool holders, coolant connections, adapters, sleeves,

fixtures etc.

The vendor shall impart training to VSSC’s machine operators and maintenance crew in operation

and maintenance after the commissioning of the machine at VSSC works for a period of one week

Foundation drawings/Assembly drawings/foot print and installation instructions (with a check list)

Machine test charts

Transport, Assembly, installation & Commissioning manual

Page 9 of 10

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Sl.No Description Value/Parameter/Detail34

34.1 Delivery period5-8 months from the date of confirmed purchase

order

34.2

35

35.1

35.2

36

36.1

37

37.1

37.2

37.3

37.5

37.6

37.4

OTHER POINTS

The bid MUST contain clear, direct, required and actual information with respect to the

tender specification/clauses. Descriptive data or words viz "complied", "confirmed", "yes", "no"

etc. are not acceptable wherever numerical data or more details are asked. Offers violating these

will be treated as rejected.

The bidder shall have requisite facilities for manufacture,testing and inspection as per

international standards.

The tender shall be submitted in TWO parts; in separate sealed covers with clear

markings as Part-1 and Part-2 respectively. Violation of this will automatically lead to

rejection of offer.

Part-1: Technical & commercial(excluding price details)

WARRANTY

Entire machine inclusive of all systems/accessories, SIEMENS/Heidenhain controller & related

drives should be warranted for on site replacement for 24 months from the date of

installation/commissioning against all the design, material or manufacturing defects

In case there is a mismatch between technical offer and standard catalogue value, VSSC reserve

right to take the worst value for the comparison

After completion of warranty and AMC period, as the case may be, the manufacturer or his

agent shall agree to provide service supports for trouble-shooting and providing spares. The

manufacturer shall be obliged to provide spare parts required by the purchaser for a period of

atleast 10 years from the date of commissioning of the machine at the ultimate destination to

safeguard against any obsolescence. The bidder shall provide an undertaking for the same.

FOB price, port of shipment,freight and transport charges shall be clearly indicated and

quoted separately in case of imported machine.

ANNUAL MAINTENANCE CONTRACT (Must be quoted)

Supplier should confirm to take up non-comprehensive annual maintenance contract for service

and maintenance of the the offered machine with all accessories after the warranty period for

THREE years and details has to be provided. Offers without AMC will not be considered. Details

of number of visits for preventive maintenance and breakdown maintenance shall be clearly

mentioned in the AMC offer. The cost of each visit shall be inclusive of travel and accommodation.

Part-2: Commercial including price details

The price bid shall be quoted for basic machine, standard accessories, optional accessories,

spares, AMC etc. explicitly. Split-up cost details may be included inside each section of quoted

price.

Installation & Commissioning shall be quoted as lumpsum basis including travel,

accommodation/lodging and logistics costs.

DELIVERY

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Compliance Checklist

Points to note:

1. Bidder has to completely fill the compliance checklist legibly with details and submit along with Technical offer. Bidder shall sign and seal each page of this Compliance checklist.

2. Bidder has to provide quantitative values wherever it is asked for quantitative values.

3. The details provided in technical offer and compliance checklist herewith by the bidder will be evaluated. VSSC reserves right to verify the same at PDI stage or installation & commissioning stage.

Sl. No.

Ref. No. in tender

Tender Specification

Details to be filled /Submitted by bidder

Offer

Description

Ref. No./ page no. technical in offer

Description

1

SCOPE

1 Supply, installation and commissioning of a 3-axis CNC Vertical Machining Centre(VMC) as per the technical specifications given below:

Yes/No (Provide offer ref. No.)

2 2 MACHINE DESCRIPTION

3 2.1 The machine shall be a CNC controlled vertical machining centre(VMC) consisting of three linear axes (X, Y & Z) with moving table and fixed column configuration.

Yes/No

4 2.1.a Working of all axes simultaneously Yes/No

5 2.1.b State of the art CNC control system and drives Yes/No

(Provide details)

6 2.1.c Speed - torque characteristics capable of machining aerospace grade steels upto 45HRc, stainless steel, HRSA material (Ni or Ti based), Al alloys etc.

Accepted/ Not accepted

7 2.1.d CNC controller : SIEMENS 828D/ Heidenhain TNC 620 with latest version

Specify offered CNC controller

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8 3 MACHINE CONSTRUCTION

9 3.1

The machine shall have C-type frame with fixed column and moving table design having firm base and rigid construction. The base and column shall be made up of high quality grey cast iron castings. The machine structure shall be sufficiently stress relived, have vibration damping characteristics and adequately ribbed to provide maximum stiffness.

Accepted/ Not accepted

(Provide details)

10 4 MACHINE DETAILS

11 4.1 Make and Model of the machine Provide details

12 4.2 Standard catalogues of the offered machine Submitted/ not

submitted

13 4.3 Country of origin of the offered machine Specify the value

14 5 MOVING TABLE

15 5.1 Table size Specify offered value

16 5.2 Job carrying capacity Specify offered value

17 5.3 Height of table from floor (including levelling elements) Specify offered value

18 5.4 T-slots Provide full details

19 5.5 T-slot orientation Specify offered value

20 6 MACHINE CAPACITY

21 6.1 Table longitudinal travel (X axis) Specify offered value

22 6.2 Table cross travel (Y axis) Specify offered value

23 6.3 Headstock travel (Z axis) Specify offered value

24 6.4 Minimum distance between spindle face and table top surface

Specify offered value

25 7 FEEDS

26 7.1 Rapid traverse for linear axes (X,Y,Z) Specify offered value

27 7.2 Cutting feed rate for linear axes (X,Y,Z) Specify offered value

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28 8 POSITIONAL ACCURACIES FOR LINEAR AXES (X,Y,Z) (As per VDI/DGQ 3441 standard)

Accepted/ Not accepted

29 8.1 Positional uncertainty (P) Specify offered value

30 8.2 Positional scatter (U) Specify offered value

31 8.3 Bidder shall submit documentary proof for positional accuracies for offered machine model

Provide documentary proofs

32 9 GEOMETRICAL ACCURACIES FOR LINEAR AXES (X,Y,Z) - As per ISO 10791-2 or equivalent international standard

Provide details with documentary proofs

33 10 MAIN SPINDLE

34 10.1 Spindle type Provide details

35 10.2 Spindle drive elements Provide details

36 10.3 Spindle Nose taper Specify offered value

37 10.4 Tool clamping Provide details

38 10.5 Spindle speed range Specify offered value

39 10.6 Spindle Motor power Specify offered value

40 10.7 Spindle torque Specify offered value

41 10.8 Power-Torque characteristics Submit/ not submitted

42 10.9 Spindle rated life in hours Specify offered value

43 10.10 Manual clamping & unclamping of tools to the spindle Provide details

44 10.11 Spindle nose cleaning before tool clamping Yes/No

(Provide details)

45 10.12 Face-out at spindle nose Specify offered value

46 10.13 Runout at spindle nose Specify offered value

47 10.14 Runout at a distance of 300mm from the spindle nose Specify offered value

48 11 AXES & DRIVES

49 11.1 Axes motors Provide details

50 11.2 Axes drive elements Provide details

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51 11.3 Drive capability Provide details

52 11.4 Drive elements (for all linear axes) Provide full details

with catalogues

53 11.5 Linear guideways Provide full details

with catalogues

54 11.6 Z-axis braking to avoid digging of tools during power failure

Yes/No (Provide details)

55 12 FEEDBACK SYSTEM

56 12.1 Type Specify offered value

57 12.2 Feedback system for all linear axes Provide details with

catalogues

58 12.3 Resolution Specify offered value

59 13 CNC CONTROL SYSTEM

60 13.1 CNC controller Provide full details

with catalogues

61 13.2 Programmable axes Specify offered value

62 13.3 Simultaneous interpolable axes Specify offered value

63 13.4 Hardware (CNC, PLC & Operating console) Provide details with

catalogues

64 13.5 Panel air conditioning Provide details

65 13.6 Panel wiring should conform to CE norms Yes/no

66 13.7

Operator panel - High quality ergonomically designed and fitted with integrated keyboard & safety buttons for ease of job loading, programming and operations with IP65 protection.

Yes/no

67 14 PROGRAMMING & CONTROL FEATURES

68 14.1 Display - High resolution 15.4" or more LED colour monitor with QWERTY keyboard and dynamic graphic display in English language

Yes/ No (Provide details)

69 14.2 Graphic simulations - 2D and 3D graphic display and simulation on XY, XZ and YZ planes

Yes/No

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70 14.3 Metric & inch input Yes/No

71 14.4 Linear, circular, Helical & NURBS interpolation Yes/No

72 14.5 Least input increment Specify offered value

73 14.6 Block processing time Specify offered value

74 14.7 Calculator function Yes/No

75 14.8 Look-ahead feature Yes/No

76 14.9 Compensations: Cutter radius & length compensations, pitch error, backlash etc.

Yes/No

77 14.10 Absolute & Incremental programming Yes/No

78 14.11 Programming mode - ISO programming in metric and inches, interactive programming and support for JOG, TEACH-IN & MDI programming modes

Yes/No

79 14.12 Parametric programming Yes/No

80 14.13 Background editing & programming Yes/No

81 14.14 Program repetition, co-ordinate transformation, scaling, rotation, mirror & copy capabilities

Yes/No

82 14.15 Canned cycles (Drilling, Milling, rigid tapping, reaming, boring, Thread milling etc.)

Yes/No

83 14.16 Alarms & Error diagnostic feature Yes/No

84 14.17 Hard disk/SSD/CF card Specify offered value

85 14.18 User NC memory Specify offered value

86 14.19 No. of programmable work offsets Specify offered value

87 14.20 External interface - Ethernet, USB, RS232C ports on operator panel

Yes/No

88 14.21 Speed and feed override rotary switches on operator panel Yes/No

(Provide details)

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89 14.22 Automatic repositioning after cycle interruption Yes/No

90 14.23 Decimal point programming Yes/No

91 14.24 Block search & skip Yes/No

92 14.25 Display of remaining cycle during execution of repetitive cycle/sub routine

Yes/No

93 14.26 Multi program storage with program identification Yes/No

94 14.27 Tool management for tool life monitoring Yes/No

95 14.28 All other specifications Yes/No

96 14.29 Passwords for operation & maintenance to be handed over to VSSC

Accepted/ Not accepted

97 15 DISPLAY FEATURES

98 15.1 Machine position Yes/No

99 15.2 Program under execution Yes/No

100 15.3 Block number Yes/No

101 15.4 Active command block Yes/No

102 15.5 Spindle speed (Actual & program value) Yes/No

103 15.6 Feed rate (Actual & program value) Yes/No

104 15.7 Absolute position Yes/No

105 15.8 Distance to go Yes/No

106 15.9 Tool number Yes/No

107 15.10 Offset number Yes/No

108 15.11 Error messages if any Yes/No

109 15.12 Mode of operation Yes/No

110 15.13 Tool under execution Yes/No

111 15.14 Relative position Yes/No

112 15.15 Part program Yes/No

113 15.16 Tool file library Yes/No

114 15.17 Tool data Yes/No

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115 15.18 Work zero Yes/No

116 15.19 Spindle running time display Yes/No

117 15.20 Drive load meter Yes/No

118 16 PORTABLE SERVO HAND WHEEL

119 16.1 Portable servo handwheel with axis selector switch for fine adjustment of axis strokes, selectable ranges (0.1mm, 0.01mm and 0.001mm)

Yes/No (Provide details)

120 17 COOLANT SYSTEM DETAILS

121 17.1 Recirculating Flood coolant system Yes/No

(Provide details)

122 17.2 Coolant output - Through flexible coolant nozzles surrounding the spindle nose face(min. 4 nozzles)

Yes/No (Provide details)

123 17.3 Coolant pump pressure Specify offered value

124 17.4 Coolant flow rate at specified pressure Specify offered value

125 17.5 Coolant supply - Programmable via M codes & Manual Yes/No

126 17.6 Coolant flush for effective chip evacuation Yes/No

(Provide details)

127 17.7 Coolant tank capacity Specify offered value

128 18 CHIP MANAGEMENT SYSTEM

129 18.1 Chip conveyor for effective chip disposal Yes/No

(Provide details)

130 18.2 Chip conveyor shall be strategically positioned for easy chip evacuation without hampering machine operation

Yes/No

131 19 LUBRICATION SYSTEM

132 19.1 Lubrication system - Centralised lubrication system Yes/No

(Provide details)

133 19.2 Lubrication mode - Automatic & Manual Yes/No

134 20 PNEUMATIC DETAILS

135 20.1 Compressed air requirement Pl. specify

136 20.2 Available air pressure Specify required value

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137 20.3 Air quality Pl. specify

138 20.4 Air dryer Pl. specify

139 21 AUTOMATIC TOOL CHANGER (ATC)

140 21.1 ATC type Specify offered value

141 21.2 ATC operation - Automatic (via. M-code) & Manual (via push button).

Yes/No (Provide details)

142 21.3 No. of tools Specify offered value

143 21.4 Tool change system Provide details

144 21.5 Tool management Specify offered value

145 21.6 Max. tool diameter (with adjacent tools) Specify offered value

146 21.7 Max. tool diameter (without adjacent tools) Specify offered value

147 21.8 Max. tool length Specify offered value

148 21.9 Max. tool weight Specify offered value

149 21.10 Tool interface Specify offered value

150 21.11 Chip to Chip time Specify offered value

151 21.12 Pull stud type Specify offered value

152 22 ELECTRICAL CONNECTIONS & SUPPLY

153 22.1 Machine should be wired for 3 phase 440V/400V AC, 50Hz supply

Yes/No

154 22.2 The electrical insulation shall be fully tropicalized and electric system shall be suitable for operation on the specified supply

Yes/No

155 22.3 Electrical control panels shall conform to CE norms Yes/No

156 22.4 Power, control & circuit elements shall be properly labelled as per circuit diagram with proper labelling and color coding

Yes/No

157 22.5 Electrical cabinet (RITTAL make preferred), IP54 protection, including air cooling unit and internal lighting shall be provided

Yes/No

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158 22.6 All sensors, actuators and motor labels are to be printed in metal labels and riveted for more reliability and ease of maintenance

Yes/No

159 22.7 Power/Electrical load (KVA rating) and Voltage (V) requirement of machine

Pl. specify

160 23 WORKING CONDITION

161 23.1

The machine should work with no complaints in tropicalised condition with temperature of upto 40°C & 95%RH in Trivandrum, India. Supplier should confirm the trouble free operation of machine in that environmental condition.

Accepted/ Not accepted

162 24 MACHINE GUARDING & SAFETY FEATURES

163 24.1

All moving parts, guideways, ball screws etc. shall be protected against metallic dust generated during machining by providing suitable covers/bellows wherever necessary. Telescoping cover shall be made of rust proof materials such as stainless steel.

Yes/No

164 24.2 Machine guarding and doors for safe working as per international standards shall be provided

Yes/No

165 24.3 Working area of the machine shall have safety enclosure with transparent windows

Yes/No

166 24.4 Control system elements shall be enclosed in a dust-proof cabin with air conditioning for protection against dust generated during machining

Yes/No

167 24.5 Automatic machine shut off with warning in the event of lubrication or coolant failure, spindle off and axis over travel shall be provided

Yes/No

168 24.6 Emergency stop & retraction function shall be provided for protection against power failure

Yes/No

169 24.7

Mushroom type emergency stop button shall be provided on the machine, which shall be easily accessible and capable of disabling the machine, drives in case of emergency

Yes/No

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170 24.8

Software limit switches are to be provided to restrict the total slide travel, maximum feed velocity and maximum spindle speed. Hardware features shall also be available for controlling the above movements.

Yes/No

171 24.9 Improper tool clamping in the spindle nose shall inhibit spindle rotation and error is to be displayed on the control screen.

Yes/No

172 24.10

When any of the machine functions like spindle rotation, slide movement, ATC movement etc. come to be a stop without being programmed to stop, the machine shall come to stop, and shall be operated only in the manual mode till the fault is rectified.

Yes/No

173 24.11 The safety features shall include safety devices against overloading of any drive, over travel of any slide and interlock against conflicting motions

Yes/No

174 24.12 The tool shall not get unclamped in the event of power failure or an emergency stop

Yes/No

175 24.13 The machine must be equipped with all safety features necessary to protect the machine, control and the operator while in operation from possible damage/injury

Yes/No

176 24.14 Ducting areas/cut-outs should be properly sealed to avoid entry of rodents into the critical area of the machine

Yes/No

177 24.15 Entire metal surface should be properly treated to prevent corrosion

Yes/No

178 24.16 The machine shall be permitted upto 85dBA noise levels as per VSSC standards. Provide details.

Yes/No

179 24.17 All other safety features are to be complied with CE norms Yes/No

180 25 STANDARD ACCESSORIES (To be supplied with the machine)

181 25.1 Chip conveyor Offered/ Not offered

182 25.2 Chip tank Offered/ Not offered

183 25.3 Coolant tank Offered/ Not offered

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184 25.4 Oil skimmer Offered/ Not offered

185 25.5 Compressed air gun for cleaning of chips from the table Offered/ Not offered

186 25.6 Coolant spray gun with suitable pneumatic pump Offered/ Not offered

187 25.7 Cabin type splash guard Offered/ Not offered

188 25.8 Electronic servo hand wheel (Manual Pulse Generator – Siemens/Heidenhain make)

Offered/ Not offered

189 25.9 3-tier Process completion lamp Offered/ Not offered

190 25.10 LED lights for work area illumination Offered/ Not offered

191 25.11 Sliding door with safety interlock Offered/ Not offered

192 25.12 Coolant level indicator Offered/ Not offered

193 25.13 Hydraulic oil level indicator if applicable Offered/ Not offered

194 25.14 First fill of all oils and lubricants Offered/ Not offered

195 25.15 Machine foundation with levelling plates/pads & screws Offered/ Not offered

196 25.16 Pull studs - 30Nos Offered/ Not offered

197 25.17 Suitable Test mandrel for spindle (length: 300mm) Offered/ Not offered

198 26 Optional Accessories (To be quoted separately)

199 26.1 Suitable air dryer of reputed make Offered/ Not offered

(Provide details)

200 26.2 Suitable voltage stabiliser with isolation transformer Offered/ Not offered

(Provide details)

201 26.3 Through coolant system with filters Offered/ Not offered

(Provide details)

202 26.4 Tool tip air nozzle for dry machining Offered/ Not offered

(Provide details)

203 26.5 TPM friendly design Offered/ Not offered

204 27 ESSENTIAL SPARES (For TWO years)

205 27.1.i Machine consumables (Lubricants, filters etc.) Offered/ Not offered (Provide detailed list)

206 27.1.ii Mechanical spares Offered/ Not offered (Provide detailed list)

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207 27.1.iii Hydraulic/pneumatic spares Offered/ Not offered (Provide detailed list)

208 27.1.iv Electrical & electronic spares Offered/ Not offered (Provide detailed list)

209 27.1.v Any other relevant spares Offered/ Not offered (Provide detailed list)

210 27.2

Vendor should ensure the availability of spares & service support for the next ten years of operation of the machine with documentary evidence. Any complaints after intimation should be attended at the earliest. An undertaking for the same shall be submitted.

Accepted/ Not accepted

211 27.3 Cost of spare will not be considered for comparison of the offers

Accepted/ Not accepted

212 27.4 Vendor shall not quote the essential items required for initial operation of the machine as spare.

Accepted/ Not accepted

213 28 MACHINE DIMENSIONS

214 28.1 Total height Specify the value

215 28.2 Floor space, W x D Specify the value

216 28.3 Total weight of the machine Specify the value

217 28.4 Machine layout with and without chip conveyor Submitted/ not

submitted

218 29 GENERAL TERMS & CONDITION

219 29.1

The bid shall be prepared, signed and submitted by the manufacturer only. Complete address, contact person, telephone and fax numbers of original manufacturer of the equipment shall be provided.

Accepted/ Not accepted

220 29.2

Reference list of machines of offered model supplied in last five years with postal address, contact person, E-mail ID, contact numbers etc. shall be furnished(preferably R&D, Govt. and aerospace establishments) along with technical bid

Submitted/ Not submitted

221 29.3 Performance certificates issued by at least THREE reputed users of offered machine model supplied during last five years shall be furnished along with the offer

Submitted/ Not submitted

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222 29.4

If the bidder is from a foreign country, bidder must have dedicated service centre/service partner in India. The service centre must have been functioning during last 5 years and have proven track record of servicing. They shall have trained and experienced service personnel to provide service support.

Accepted/ Not accepted

(Provide details with documentary proof)

223 29.5 The offered machine shall be a standard and proven model available in the manufacturer’s product range

Accepted/ Not accepted

224 29.6 Bidder may submit the filled compliance statement vis'-a-vis' technical specifications of the tender enquiry along with the technical offer

Accepted/ Not accepted

225 29.7 VSSC reserves right to evaluate the machines listed in the previous point as a part of technical evaluation and vendor should arrange for the same on our intimation

Accepted/ Not accepted

226 29.8

VSSC reserves right to verify the information provided by the bidder for all clauses mentioned above. In case if there is any suppression of facts or the information provided by the bidder is found to be false/incorrect, the offer shall be summarily rejected.

Accepted/ Not accepted

227 30 PRE-DELIVERY INSPECTION & ACCEPTANCE

228 30.1 The machine shall be inspected as per VDI/DGQ 3441 standard for positional accuracies and ISO standards for geometrical accuracies at manufacturer's premises.

Accepted/ Not accepted

229 30.2 Necessary Laser Calibration and machine tuning with ballbar shall be carried out to prove the positional and interpolation accuracies offered in the bid

Accepted/ Not accepted

230 30.3 Demonstration of all features of the machine, control system & accessories

Accepted/ Not accepted

231 30.4 Presentation of all original certificates, documents, reports, manuals of OEMs of all supplied components connected to the machine

Accepted/ Not accepted

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232 30.5

Full power test: Machine maximum power and torque demonstration test (@ 100% Duty cycle) as per international standards for establishing the suitability of spindle with machine and monitoring the levels of vibrations and machine health parameters. The test shall be performed in presence of VSSC engineers and performance report shall be submitted during PDI. Vendor shall have all the required facilities and arrangements for conducting full power test

Accepted/ Not accepted

233 30.6

Endurance test: Supplier shall carry out minimum 24hrs of continuous running at manufacturer's premises and in case of any defect developing during continuous running, the test shall be repeated for another 24hrs till trouble free operation. Endurance test report to be submitted to VSSC during PDI

Accepted/ Not accepted

234 30.7 Machining of test pieces as per NAS/ISO tests. All the necessary tools, instruments and materials for above tests are to be arranged by vendor

Accepted/ Not accepted

235 30.8 Dispatch clearance of the machine shall be given by VSSC personnel at vendor’s site after satisfactory completion of all the steps mentioned above.

Accepted/ Not accepted

236 31 INSTALLATION AND COMMISSIONING

237 31.1 The Installation & commissioning shall be done by the vendor's trained personnel at VSSC site

Accepted/ Not accepted

238 31.2

Tests for ensuring positioning accuracies & repeatability, geometrical tests, laser calibration, performance test etc. as done in PDI shall be done again at VSSC site to confirm the quality and performance of the machine

Accepted/ Not accepted

239 31.3 Foundation kit viz; vibration mounts, bolts etc required for foundation shall be supplied by the vendor

Accepted/ Not accepted

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240 31.4

Requirements viz; power, water and compressed air connection etc. required for operation of the machine shall be intimated to VSSC by the vendor immediately after receipt of the order

Accepted/ Not accepted

241 31.5

The basic size of the machine (Height X Width X Length) for transferring to installation location should be specified within one month after receipt of the order. This dimension is required to make provision/arrangement for the entry of the machine to the site

Accepted/ Not accepted

242 31.6

Detailed foundation design requirements, final foundation drawings, layout drawings etc. if applicable shall be provided by the bidder to VSSC immediately after PO release and its acceptance. The scope of foundation preparation as per bidder’s drawing is under VSSC scope.

Accepted/ Not accepted

243 31.7

The Bidder or their agent would be required to carry out a joint check at the consignee’s end along with VSSC, before unpacking is done, to avoid subsequent complaints regarding short shipment/transit damages etc. It is necessary that the joint inspection be done immediately on the receipt of the machine.

Accepted/ Not accepted

244 31.8

The Bidder is responsible for any breakage/damage to the machine or its equipment/accessories/tools holders etc. during erection/commissioning of the machine. Bidder shall rectify/replace such damage parts free of cost at site with original parts.

Accepted/ Not accepted

245 31.9 All the lubricating oil, Hydraulic oil, grease etc are to be prefilled by the vendor. Specifications of oil shall be of international standard available in the free market

Accepted/ Not accepted

246 31.10 A component for prove out shall be decided on mutual discussion and machining of same shall be demonstrated after installation for proving the machining capability

Accepted/ Not accepted

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247 32 TRAINING

248 32.1

The vendor shall provide training to Two VSSC Engineers in Operation and Maintenance (Mechanical, Electrical/ Electronics and CNC system) of the machine at Vendor’s works for a period of one week.

Accepted/ Not accepted

249 32.2

The vendor shall impart training to VSSC’s machine operators and maintenance crew in operation and maintenance after the commissioning of the machine at VSSC works for a period of one week

Accepted/ Not accepted

250 33 DOCUMENTATION (THREE sets of following documents shall be supplied)

Accepted/ Not accepted

251 33.1 Operation & Programming instruction manual Offered/ Not offered

252 33.2 Maintenance manuals for various systems & sub-systems Offered/ Not offered

253 33.3 Preventive maintenance check list, troubleshooting charts and guidelines

Offered/ Not offered

254 33.4 Transport, Assembly, installation & Commissioning manual Offered/ Not offered

255 33.5 Foundation drawings/Assembly drawings/foot print and installation instructions (with a check list)

Offered/ Not offered

256 33.6 Catalogues/ OEM Manuals of bought out items Offered/ Not offered

257 33.7

Complete list of spares & consumables for the machine and its accessories along with spares specification, type, model and name & address of the spare supplier/sub-suppliers

Offered/ Not offered

258 33.8 Detailed specification of all rubber items and hydraulic/lube fittings

Offered/ Not offered

259 33.9 Machine diagram indicating all the service items for easy understanding of location

Offered/ Not offered

260 33.10 Machine test charts Offered/ Not offered

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261 33.11 Calibration certificates with periodicity for all measurable items with calibration procedure/ sources/ periodicity for all the gauges and instruments used in the machine

Offered/ Not offered

262 33.12 Sub-assembly drawings Offered/ Not offered

263 33.13 Printouts/CD of ladder diagrams(PLC programs) of the machine, machine data, sub routines, circuit diagrams of PCBs etc. for trouble shooting

Offered/ Not offered

264 33.14 Electric & Electronic circuit drawings for control system, DC/SC drives and interface for component level trouble-shooting

Offered/ Not offered

265 33.15 Manufacturing drawings for all supplied tool holders, coolant connections, adapters, sleeves, fixtures etc.

Offered/ Not offered

266 33.16 Backup of all data(NC, CNC, HMI, etc.) to be provided in a working mirror hard disc needed for replacement in the event of failure of original hard disc

Offered/ Not offered

267 34 DELIVERY

268 34.1 Delivery period Specify value

269 34.2 FOB price, port of shipment, freight and transport charges shall be clearly indicated and quoted separately in case of imported machine.

Accepted/ Not accepted

270 35 WARRANTY

271 35.1

Entire machine inclusive of all systems/accessories, SIEMENS/Heidenhain controller & related drives should be warranted for onsite replacement for 24 months from the date of installation/commissioning against all the design, material or manufacturing defects

Accepted/ Not accepted

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272 35.2

After completion of warranty and AMC period, as the case may be, the manufacturer or his agent shall agree to provide service supports for trouble-shooting and providing spares. The manufacturer shall be obliged to provide spare parts required by the purchaser for a period of at least 10 years from the date of commissioning of the machine at the ultimate destination to safeguard against any obsolescence. The bidder shall provide an undertaking for the same.

Accepted/ Not accepted

273 36 ANNUAL MAINTENANCE CONTRACT (Must be quoted)

Accepted/ Not accepted

274 36.1

Supplier should confirm to take up non-comprehensive annual maintenance contract for service and maintenance of the the offered machine with all accessories after the warranty period for THREE years and details has to be provided. Offers without AMC will not be considered. Details of number of visits for preventive maintenance and breakdown maintenance shall be clearly mentioned in the AMC offer. The cost of each visit shall be inclusive of travel and accommodation.

Offered/ Not offered

275 37 OTHER POINTS

276 37.1 The bidder shall have requisite facilities for manufacture, testing and inspection as per international standards.

Accepted/ Not accepted

277 37.2 In case there is a mismatch between technical offer and standard catalogue value, VSSC reserve right to take the worst value for the comparison

Accepted/ Not accepted

278 37.3

The bid MUST contain clear, direct, required and actual information with respect to the tender specification/ clauses. Descriptive data or words viz "complied", "confirmed", "yes", "no" etc. are not acceptable wherever numerical data or more details are asked. Offers violating these will be treated as rejected.

Accepted/ Not accepted

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279 37.4

The tender shall be submitted in TWO parts; in separate sealed covers with clear markings as Part-1 and Part-2 respectively. Violation of this will automatically lead to rejection of offer. Part-1: Technical & commercial (excluding price details) Part-2: Commercial including price details

Accepted/ Not accepted

280 37.5

The price bid shall be quoted for basic machine, standard accessories, optional accessories, spares, AMC etc. explicitly. Split-up cost details may be included inside each section of quoted price.

Accepted/ Not accepted

281 37.6 Installation & Commissioning shall be quoted as lumpsum basis including travel, accommodation/lodging and logistics costs.

Accepted/ Not accepted