NIDEC-SHIMPO has been at the forefront of developing gear technology to fulfill the requirements of its OEM customers. NIDEC-SHIMPO's close partnerships with their installed customer base provided much insight into their evolving need for more high-precision right-angle gearing options. To fill that need, NIDEC-SHIMPO offers a full line of high-precision worm gearboxes, known as their EJ Series.
These servo grade gearheads are ideal for the most dynamic cyclical or continuous motion control applications. Each series incorporates a globoidal worm gear mesh design to achieve the torque handling capacity, shock load capability, and level of precision that their customers have come to expect from them. Experience the ultimate flexibility with multiple backlash options and several mounting configurations to get into the tightest spaces. NIDEC-SHIMPO can customize these units even further to satisfy a variety of applications and operating environments.
Nidec Shimpo EJ Series Right-Angle Worm Gearbox Overview
- Quiet operation, in comparison to traditional worm gearing products
- High shock load capacity, using oversized tapered roller bearings
- Absolute zero backlash available
- Wide range of output mounting options - Solid, hollow, dual shaft, shrink disc, ISO flange
- Compact, lightweight construction
- Exact gear reduction ratios for simplified system tuning
- Optimized mounting interface for virtually any motor
- Maintenance free, lubricated for life
Nidec Shimpo EJ Series Right-Angle Worm Gearbox Unit Summary Level Table
| Product Series | EJM  | EJL  | EJH  | EJP  | EJS  |
| Series Features | Globoidal worm gear mesh Economy leader of category Aluminum housing Conventional precision range | Best price performance ratio Multiple output options Aluminum/cast iron housing Three backlash levels | Globoidal worm gear mesh Strong internal structure Robust cast iron housing Low backlash option | Globoidal worm gear mesh Zero backlash option Optimal sound characteristics Performance leader of category | Globoidal worm gear mesh IP69K rated aseptic design 316 stainless with food grade oil Various output options |
| Frame Size | Variety: 6 | Variety: 11 | Variety: 5 | Variety: 6 | Variety: 5 |
| Reduction Ratios | 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60 | 3.125, 5.2, 7.25, 10.25, 14.5, 15.25, 19.5, 20.5, 29.5, 30, 45, 60, 90 | 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50, 60 | 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50, 60 | 5, 7, 10, 15, 20, 25, 30, 40, 50, 60 |
| Nominal Output Torque (Nm) | 29 - 505 | 8 - 3788 | 35 - 475 | 35 - 480 | 41 - 396 |
| Maximum Acceleration Torque (Nm) | 33 - 614 | 13 - 6250 | 46 - 663 | 46 - 660 | 47 - 721 |
| Max. Input speed (rpm) | 4000 | 6000 | 4000 | 6000 | 3000 |
| Backlash (Arc-min) | 12 - 41 | 0.5 - 10 | 6 - 32 | 0 - 24 | 4 - 24 |
| Output Hollow Bore Size (mm) | ø25.4 - 74.6 | ø14 - 100 | ø25 - 60 | ø25 - 60 | ø19 - 35 |
Download Nidec Shimpo EJ Series Right-Angle Worm Gearboxes Brochure
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NIDEC-SHIMPO offers a full line of high-precision worm gearboxes, known as their EJ Series.