Geared to a higher standard™ 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 1st Generation, Discontinued. Limited Spares, last production order placed in 2011 • ED: (Electronic Dynamic) – Released in 2005 2nd Generation, still actively selling EZ will most likely replace by 2015 • EK: (Electronic Kompact) – Released in 2005 2nd Generation, 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%) Size Nominal 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 EZ Motor Speed & Torque Chart • Flat Torque Curve • Higher Torque available even with higher speeds • Increase Torque by 35% with Cooling Options Z: Zhan = Teeth 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 EZ Motor 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 EZ Motor with Tooth Winding Optional Water Cooling EZ Motor with Tooth Winding With inductive absolute multi-turn encoder (Heidenhain EnDat) Hiperface encoder (Sick-Stegmann) EZ Motor 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 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 Option Compete Servo Fan Mounting Bracket Keeper Plate Power Connector Fan Housing 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 Codes Commissioning Instructions 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 EZF Hollow Bore Motors With absolute singleturn encoder Heidenhain ECI 119 PY Hollow with Planetary Gearing 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 Pipe Drive Snap Shot Catalogs and Brochures • On Web Site Ball Screw Drives 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 attachable diameter /pitch pilot / hole circle type of bearing advance Force Fv [N] nominal speed nN [rpm] max. speed of bearing [rpm] axial stiffness [N/µm] EZS501 25 / 32 20 EZS502 EZS503 EZS701 EZS702 EZS703 25 / 32 25 / 32 32 / 40 32 / 40 32 / 40 20 20 25 25 25 INA ZKLF 3590-2Z INA ZKLF50115-2Z see chart and diagramm in chapter dimensioning aid 3000 3800 3000 500 770 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 attachable diameter /pitch pilot / hole circle type of bearing advance Force Fv [N] nominal speed nN [rpm] max. speed of bearing [rpm] axial stiffness [N/µm] EZM501 25 x 10-25 40 / 51 EZM502 25 x 10-25 EZM503 25 x 10-25 EZM701 EZM702 EZM703 32 x 10-32 32 x 10-32 32 x 10-32 50 / 65 50 / 65 50 / 65 40 / 51 40 / 51 56 / 71 56 / 71 56 / 71 INA ZKLF 3590-2Z INA ZKLF 50115-2Z see chart and diagramm in chapter dimensioning aid 3000 3800 3000 500 770 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 Fit of Flange Optional Water Cooling in A-side 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 Model for Trade Shows 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 Linear Speed Ball Screw Study Support • Catalog provided per application • 30 piece minimum yearly potential • Brochure on Web Site 3rd Party Drives 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 Advantages 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) Thank You for Your Attention!