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• 1781 Downing Drive
• 1780 Downing Drive
A Heritage of Innovation…A Heritage of Innovation…STOBER Drives, Inc. – Maysville, KY• 1991: SDI opens with the ComTrac product line• 1993: MGS series introduced to US market• 1998: SPG planetary gearheads arrive• 2001: SMS product developed for US market• 2005: P/PH 2nd Generation• 2007: Integral Servo Gearing• 2008: MT50 & P9• 2008: KS• 2009: MB & more Integral Servo Sizes• 2010: EZ Motors• 2011: EZF / PY Hollow Bore Motors
STOBER Drives, Inc. – Maysville, KY• 1991: SDI opens with the ComTrac product line• 1993: MGS series introduced to US market• 1998: SPG planetary gearheads arrive• 2001: SMS product developed for US market• 2005: P/PH 2nd Generation• 2007: Integral Servo Gearing• 2008: MT50 & P9• 2008: KS• 2009: MB & more Integral Servo Sizes• 2010: EZ Motors• 2011: EZF / PY Hollow Bore Motors
STOBER Servo HistorySTOBER Servo History• ES : (Electronic Servo) – Released in 1998
1st Generation, Discontinued.
Limited Spares, last production order placed in 2011
• ED: (Electronic Dynamic) – Released in 20052nd Generation, still actively selling
EZ will most likely replace by 2015
• EK: (Electronic Kompact) – Released in 20052nd Generation, still actively selling
EZ will most likely replace by 2015
• EZ: (Electronic Zahn (tooth) Wound) – Released in 20103rd Generation
EZ: Stand alone motor and with Gearing
EZF: Hollow bore Version
PY_EZH: Hollow Bore Geared Motor
EZS: Ball Screw driving version (2011)
EZM: Ball Screw nut driving version (2011)
• ES : (Electronic Servo) – Released in 19981st Generation, Discontinued.
Limited Spares, last production order placed in 2011
• ED: (Electronic Dynamic) – Released in 20052nd Generation, still actively selling
EZ will most likely replace by 2015
• EK: (Electronic Kompact) – Released in 20052nd Generation, still actively selling
EZ will most likely replace by 2015
• EZ: (Electronic Zahn (tooth) Wound) – Released in 20103rd Generation
EZ: Stand alone motor and with Gearing
EZF: Hollow bore Version
PY_EZH: Hollow Bore Geared Motor
EZS: Ball Screw driving version (2011)
EZM: Ball Screw nut driving version (2011)
Comparison:
EK501 to EZ501 Example:
• P5 Integral
• Even Shorter than EK Series Compact Motors
EZ Servomotors – Even ShorterEZ Servomotors – Even Shorter
EZ Motor DataEZ Motor Data
SizeNominal
Torque (Mn)Peak Torque
(Mmax)Nom. Speed
KE (V/1000 rpm)
Nom. Current
EZ401 2.8 Nm 8.5 Nm 3000 103 2.7 A
EZ402 4.7 Nm 16 Nm 3000 101 4.4 A
EZ404 6.9 Nm 29 Nm 3000 124 5.8 A
EZ501 4.3 Nm 16 Nm 3000 108 3.7 A
EZ502 7.4 Nm 31 Nm 3000 134 5.5 A
EZ503 9.7 Nm 43 Nm 3000 127 6.9 A
EZ505 13.5 Nm 67 Nm 3000 153 8.8 A
EZ701 7.4 Nm 20 Nm 3000 104 7.2 A
EZ702 12 Nm 41 Nm 3000 146 8.2 A
EZ703 16.5 Nm 65 Nm 3000 133 11.4 A
EZ705 21.3 Nm 104 Nm 3000 150 14.2 A
Without ventilation (Ventilation = +35%)
EZ Motor Speed & Torque ChartEZ Motor Speed & Torque Chart
• Flat Torque Curve• Higher Torque available
even with higher speeds• Increase Torque by 35%
with Cooling Options
EZ / EZF MotorsEZ / EZF Motors Higher efficiency
• Optimized electrical steel sheet - lowest lamination losses
• Energy-saving – better than IE4
Precise smooth running behavior • Punched and directly bonded laminated
cores – low detent torques • High stability, low-vibration, low-noise
Enlarged image of an orthocyclically linear-wound motor coil
Motor series EZ4, EZ5, and EZ7 with tooth winding – each with 12 teeth and 14 pole
Example:
EZ7 – motor with 4 magnets per pole
EZ Motor with Tooth WindingEZ Motor with Tooth Winding
EZ Motor with Tooth WindingEZ Motor with Tooth Winding
With inductive absolute multi-turn encoder (Heidenhain EnDat)
Hiperface encoder (Sick-Stegmann)
EZ Motor with Tooth WindingEZ Motor with Tooth Winding
EZ 503 High Dynamic (with low mass of inertia)Rotor Sheet Hollow
EZ Motor with Tooth WindingEZ Motor with Tooth WindingEZ 503 Low Dynamic (with high mass of inertia)
Rotor Sheet Filled with Material
Forced Ventilation OptionForced Ventilation Option
•Increases Torques up to 35%
•Suitable Voltages For Drive Mains− Single Phase− 230V AC +6%-10%− 50/60 Hz
•Fan can be added in the field
Forced Ventilation OptionForced Ventilation Option
Fan HousingMounting
Bracket
Keeper Plate
Power Connector
Compete Servo Fan
EZ Available Motor FeedbacksEZ Available Motor Feedbacks
• Tamagawa Resolver• Heidenhain EnDat Optical Single and Multi-turn
Encoder - ECN 1113 & EQN 1125• Sick-Stegmann Hiperface-Encoder Single and
Multi-turn – SKS 36 and SKM 36• Sick-Stegmann Programmable Incremental
Encoder – CKS 36
Feedback and Power CablesFeedback and Power Cables
• Certified noise resistance
• Torsionally resistant – (fit for cable carriers)
• Flame retardant
• Double shielding
• Colors conform with DESINA
• InterContec Connectors
Pin-out to Match your Drive
PY Hollow with Planetary GearingPY Hollow with Planetary Gearing
PY5 1-stage PY5 3-stage
Water Cooling Option
PY Hollow with Planetary GearingPY Hollow with Planetary Gearing
Option: Shrink ring
New design – Lubrication with greaseNew design – Lubrication with grease
Ratio: 1-stage=3 2-stage=9 3-stage=27
Radial sealing replaced by labyrinth seal
Bearing
EZ / PY Water Cooling OptionEZ / PY Water Cooling Option
• Water Cooling Jackets available as an option
• Increases torque by approximately 35%
• Water jackets can be used for forced air.
• To prevent condensation the water temperature must be limited to a delta of 10° Kelvin under ambient
• EZS – driven ballscrew• EZM – driven ball nut
• EZS – driven ballscrew• EZM – driven ball nut
EZS and EZMEZS and EZM
EZS – Driven BallscrewEZS – Driven Ballscrew• Nominal torque 3.85 Nm to 23.7 Nm• Blind hole shaft• Axial double angular ball bearing• Grease lubricated• Ballscrew shaft extension must match shrink ring bore
size (pilot hole diameter) of 20h6 / 25h6
• Nominal torque 3.85 Nm to 23.7 Nm• Blind hole shaft• Axial double angular ball bearing• Grease lubricated• Ballscrew shaft extension must match shrink ring bore
size (pilot hole diameter) of 20h6 / 25h6
EZS501 EZS502 EZS503 EZS701 EZS702 EZS703attachable diameter /pitch 25 / 32 25 / 32 25 / 32 32 / 40 32 / 40 32 / 40pilot / hole circle 20 20 20 25 25 25type of bearingadvance Force Fv [N]nominal speed nN [rpm] max. speed of bearing [rpm]axial stiffness [N/µm]
3800 3000500 770
INA ZKLF 3590-2Z INA ZKLF50115-2Zsee chart and diagramm in chapter dimensioning aid
3000
EZS – OptionsEZS – Options• Cooling
– Forced Air– Water
• Optional Permanent Magnet holding brake– Optional with additional inertia
(not EZS 501 and EZS 701)
• Encoder– EnDat 2.2, single and multiturn– EnDat 2.1, single and multiturn, optional with Sin-Cos signals– Resolver– Hiperface (in preparation)
• Cooling– Forced Air– Water
• Optional Permanent Magnet holding brake– Optional with additional inertia
(not EZS 501 and EZS 701)
• Encoder– EnDat 2.2, single and multiturn– EnDat 2.1, single and multiturn, optional with Sin-Cos signals– Resolver– Hiperface (in preparation)
EZM – Driven Ball NutEZM – Driven Ball Nut• Nominal torque 3.6 Nm to 22.0 Nm• Continous hollow shaft • Axial double angular ball bearing• Grease lubricated • Ball nut mounting dimensions per DIN 69015-5,
Type 0
• Nominal torque 3.6 Nm to 22.0 Nm• Continous hollow shaft • Axial double angular ball bearing• Grease lubricated • Ball nut mounting dimensions per DIN 69015-5,
Type 0
EZM501 EZM502 EZM503 EZM701 EZM702 EZM703attachable diameter /pitch 25 x 10-25 25 x 10-25 25 x 10-25 32 x 10-32 32 x 10-32 32 x 10-32
pilot / hole circle 40 / 51 40 / 51 40 / 51 50 / 6556 / 71
50 / 6556 / 71
50 / 6556 / 71
type of bearingadvance Force Fv [N]nominal speed nN [rpm] max. speed of bearing [rpm]axial stiffness [N/µm] 500 770
INA ZKLF 3590-2Z INA ZKLF 50115-2Zsee chart and diagramm in chapter dimensioning aid
30003800 3000
EZM – OptionsEZM – Options• Cooling
– Convection cooled – Water cooling
• Option with permanent magnet holding brake• Hollow shaft encoder
– EnDat 2.1– Single-turn resolution 19 Bit– Inductive absolute position encoder – 32 sine-cosine cycles/revolution– Power supply: 5V (+/- 5%)
• Cooling– Convection cooled – Water cooling
• Option with permanent magnet holding brake• Hollow shaft encoder
– EnDat 2.1– Single-turn resolution 19 Bit– Inductive absolute position encoder – 32 sine-cosine cycles/revolution– Power supply: 5V (+/- 5%)
Hollow Servo Motor EncoderHollow Servo Motor Encoder
• For EZF, EZM, and PY• Currently only the SINGLE-TURN EnDat absolute position
encoder ECI119 is available.– EnDat 2.1– Single-turn resolution 19 Bit– 32 sine and cosine cycles per revolution– Power supply: 5V (+/- 5%)
• Heidenhain announced the MULTI-TURN EnDat absolute position encoder EBI119 to be available in 2014– Battery buffered
• For EZF, EZM, and PY• Currently only the SINGLE-TURN EnDat absolute position
encoder ECI119 is available.– EnDat 2.1– Single-turn resolution 19 Bit– 32 sine and cosine cycles per revolution– Power supply: 5V (+/- 5%)
• Heidenhain announced the MULTI-TURN EnDat absolute position encoder EBI119 to be available in 2014– Battery buffered
EZS & EZM Motor with Ball ScrewEZS & EZM Motor with Ball Screw• Ideal for Small and Medium Machine Tools• Availability – Due to ball nut varieties, each size must be
evaluated for fit • Up to 30KN (6700 lbs) Force
• Ideal for Small and Medium Machine Tools• Availability – Due to ball nut varieties, each size must be
evaluated for fit • Up to 30KN (6700 lbs) Force
SupportSupport• Catalog provided per
application • 30 piece minimum
yearly potential• Brochure on Web Site
• Catalog provided per application
• 30 piece minimum yearly potential
• Brochure on Web Site
Examples of ModificationExamples of Modification
• Water Cooling• Tolerance Bore• 42mm Shrink Ring • Roll Drive
• Water Cooling• Tolerance Bore• 42mm Shrink Ring • Roll Drive
Selling Brief – EZ MotorSelling Brief – EZ MotorOptimized for Gearmotors
– P, PH, KS, K, KL, F, C
– Bearings, RPM
Ortho-cyclic Machine Tooth Wound – Wound by STOBER in Europe
– 20 years experience
14 poles provides high densityFor use with 3rd party drives:
– Many feedback options
Water / Forced Air cooling optionVideo and Catalog on Web SiteStatic and Running Sales Demos
Optimized for Gearmotors – P, PH, KS, K, KL, F, C
– Bearings, RPM
Ortho-cyclic Machine Tooth Wound – Wound by STOBER in Europe
– 20 years experience
14 poles provides high densityFor use with 3rd party drives:
– Many feedback options
Water / Forced Air cooling optionVideo and Catalog on Web SiteStatic and Running Sales Demos
AdvantagesAdvantages
Highest Torque Density
14 poles provide power and RPM for gearing
Shorter – eliminates right angle
Lower Inertia, more dynamic
Water Cooling
System Sell – harder to break into components
Lower Price (many times)