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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
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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 • 1781 Downing Drive • 1780 Downing Drive
STOBER Servo History • ES : (Electronic Servo) – Released in 1998 1stGeneration, Discontinued. Limited Spares, last production order placed in 2011 • ED: (Electronic Dynamic) – Released in 2005 2ndGeneration, still actively selling EZ will most likely replace by 2015 • EK: (Electronic Kompact) – Released in 2005 2ndGeneration, still actively selling EZ will most likely replace by 2015 • EZ: (Electronic Zahn (tooth) Wound) – Released in 2010 3rd 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)
EZ Motor Series • Patented technology • Tooth Winding • Short Length • High Torque
EZ Servomotors – Even Shorter • Comparison: • EK501 to EZ501 • Example: • P5 Integral • Even Shorter than EK Series Compact Motors
EZ Motor Data Without ventilation(Ventilation = +35%)
EZ Motor Speed & Torque Chart • Flat Torque Curve • Higher Torque available • even with higher speeds • Increase Torque by 35% • with Cooling Options
EZ / 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
EZMotor with Tooth Winding Motor series EZ4, EZ5, and EZ7 with tooth winding – each with 12 teeth and 14 pole Example: EZ7 – motor with 4 magnets per pole
EZMotor with Tooth Winding Optional Water Cooling
EZMotor with Tooth Winding Hiperface encoder (Sick-Stegmann) With inductive absolute multi-turn encoder (Heidenhain EnDat)
EZMotor with Tooth Winding EZ 503 High Dynamic (with low mass of inertia) Rotor Sheet Hollow
EZ Motor with Tooth Winding EZ 503 Low Dynamic (with high mass of inertia) Rotor Sheet Filled with Material
EZ Motor with Tooth Winding Optional Permanent Magnet Brake
Forced Ventilation Option • Increases Torques up to35% • Suitable Voltages For Drive Mains • Single Phase • 230V AC +6%-10% • 50/60 Hz • Fan can be added in the field
Forced Ventilation Option Compete Servo Fan Fan Housing Mounting Bracket Keeper Plate Power Connector
EZ 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 Cables Pin-out to Match your Drive • Certified noise resistance • Torsionally resistant – (fit for cable carriers) • Flame retardant • Double shielding • Colors conform with DESINA • InterContec Connectors
EZF Hollow Bore Motors With absolute single-turn encoder Heidenhain ECI 119
PY Hollow with Planetary Gearing PY5 1-stage PY5 3-stage Water Cooling Option
PY Hollow with Planetary Gearing • New design – Lubrication with grease Ratio: 1-stage=3 2-stage=9 3-stage=27 Option: Shrink ring Bearing Radial sealing replaced by labyrinth seal
EZF / PY Absolute Encoder Heidenhain Absolute Encoder - ECI 119
EZ / 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
Catalogs and Brochures • On Web Site
EZS and EZM • EZS – driven ballscrew • EZM – driven ball nut
EZS – 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
EZS – 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)
EZS – Water Cooling Optional water cooling in ‟A” side flange
EZM – 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
EZM – 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%)
EZM Ball nut per DIN 69051-5 Version 0 Optional Water Cooling in A-side Flange Fit of Flange
Hollow 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
EZS & 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
Support • Catalog provided per application • 30 piece minimum yearly potential • Brochure on Web Site
Examples of Modification • Water Cooling • Tolerance Bore • 42mm Shrink Ring • Roll Drive
Selling Brief – EZ Motor • 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 density • For use with 3rd party drives: – Many feedback options • Water / Forced Air cooling option • Video and Catalog on Web Site • Static and Running Sales Demos
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) Advantages
Thank You for Your Attention!