® OCTOBER 2018 LUBRICATION GEARBOX PERFORMANCE IMPROVEMENTS GEARMOTORS ADAPTING TO A 4.0 WORLD www.powertransmission.com Speed and power, in perfect sync. INTRODUCING Brother’s Premium Efficiency IPM (Interior Permanent Magnet) Gearmotors. Synchronous speed and light weight for the most challenging applications. • Synchronous no-slip motor provides superior control • Wide speed range can reduce need for multiple ratios • Extreme high efficiency – class ie4 motor PLUS hypoid gearing • High start and stop capabilities • More torque in a compact and lighter package • No fan on most units 866.523.6283 BrotherGearmotors.com Call us today for a sample gearmotor to try out!
[email protected] 2054_Brother IPM_Jets ad_PTE_8x10.75_5.18.18_PUB.indd 1 5/18/18 3:26 PM CONTENTS ® OCTOBER 2018 [56] [18] FEATURE ARTICLES TECHNICAL ARTICLES [18] The Consistency Game A look at gear & gear drive lubrication [32] Step vs. Servo — Selecting the Best performance improvements. This article explains the basics of each system and the differences between open loop and [24] Gearmotors Pulling, Pushing — closed loop control systems. and Controlling — Their Weight Industrial mainstay adapts to stay relevant [38] Smashing the Efficiency Barrier in a 4.0 world. — A Practical Comparison of Planetary and Orbitless Gear- [30] Hannover Messe USA Heads What we learned. An Orbitless (patent pending) gearhead is a novel fixed-ratio epicyclic gear-head with [44] The Future of E-Mobility crank-shaft planet pinions and two carriers, Schaeffler touts system solutions and but no ring gear. electrification advances at Detroit symposium. Vol. 12, No. 7. POWER TRANSMISSION ENGINEERING (ISSN 2331-2483) is published monthly except in January, May, July and November by Randall Publications LLC, 1840 Jarvis Ave., Elk Grove Village, IL 60007, (847) 437-6604.