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Powder Plasma Arc Welding
( PTA )
ARCRAFT PLASMA EQUIPMENTS ( INDIA ) PVT LTD,
124 , DIAMOND INDUSTRIAL ESTATE ,
KETKIPADA , DAHISAR ( EAST )MUMBAI 400068, INDIA.
email :[email protected] ,web : www.arcraftplasma.com.
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Arcraft Plasma Equipments ( India ) Pvt Ltd are leading manufacturers of
Plasma Torches ( Both ID and OD ) Power sources , Positioners ,
Manupilators and related equipment used for PTA welding .
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Powder Plasma welding
is widely used for
hardfacing , wear
resistance , corrosionresistance , impact
resistance besides
many applications in a
wide variety ofindustries.
The benefit of PPAW
or PTA is that it gives a
strong metallurgical
bond unlike manythermal spray
processes.
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PPAW / PTA system
This is a complete systemconsisting of
Power source
Plasma torch with cables
Torch Oscillator
Controller
Water chiller andrecirculator
Positioner Torch Manupilator or
Column and Boom
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Main Unit
This is the main unit whichalso has the Pilot arc systemfor striking the plasma arc.The main Power Source is areliable inverter basedsystem with indicators forCurrent and Voltage .
It also has Flowmeters forcontrolling thePlasma Gasand Sheilding Gas .
It has indicators andswitches for variousfunctions which will beexplained in more detail
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Control console
Flowmeter for Plasma gas andShielding Gas
Power on /off switch withindicator
Indicator for gas flow with Testand Switch off function
HF/ Pilot arc test and switchoff function.
Water chiller on / off switch
Trip indicator for water and
gas failure 220 and 24 VAC Fuse in case of
current over drawing due tofault in electrical / electroniccomponents
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Power Source
Power source fordelivering power to theplasma torch
Power source will be
selected depending oncustomers requirement /location and budget.
For export models we useLincoln ( USA ) power
source with current andvoltage display andinternational warranty ofthree years .
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Plumbing Board
The Plumbing board has
all the fittings for water
, power and gas
connections to thetorch.
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Powder feeder on /off
This panel gives 220
VAC supply to the
powder feeder and also
the on / off signal .
It has a floating auxillary
contact for external
interface if required.
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Plasma Torch for surface applications.
400 Ampere heavy duty
PPAW torch with 8
meter cables for surface
applications.
Torch is fully servicable
with no moulded parts
for easy replacement.
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Plasma torch for internal bore welding
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Plasma torch for internal bore welding
This torch can do
service in internal bore
of pipes of minimum
diameter 75 mm and alength of 500 mm
continuosly . Longer
lengths can be
developed .
Torches are being
developed for even
smaller bores.
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Controller
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Controller
Controller has functionsfor controlling the torchmanipulator ( up,down ,left right of base )
Job positioner ( tilting ,rotation speed anddirection)
Pilot arcing and weld start
Programmes for torch
oscillation automaticweld sequence straightor circular.
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Oscillator control
Oscillator stroke width
from zero to 25 mm
Speed of oscillation
upto 60 strokes perminute
Dwell time 0 to 9.9
seconds independently
adjustable on both
sides.
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Linear weld in control
Cycle time
Stroke and speed of
straight weld
Step for number of
bands
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Circular weld programme
Speed control of
rotational movement
Cycle count for stepover
of torch for number ofbands .
Overlap between two
bands can be preset as
required
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Welding Positioner
Available in tilting or
fixed models upto .
Faceplate diameter and
weight bearing capacityas per customer
requirement
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Torch Manupilator or Column and
Boom
Various models
available for height and
stroke length
Provison for oscillatormounting
Base can also move and
rotate manual or
motorised options
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Powder Feeder
Hopper capacity of 5 kgs
Delivery capacity 5 kgsper hour
Positive displacement ofpowder gives smoothflow of powder withoutpulsing.
No need to place the
feeder above the torch asrequired by gravity basedfeeders
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Torch Oscillator
Consist of stepper
motor with ball screw
mechanism for smooth
jerk free movement asper signal from
controller
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Water Chiller cum Recirculator
Water chiller
refrigerator heat
transfer principle with
digital display of watertemperature .
50 liter water storage
capacity