Gear-integrated motor for robots [for small battery-powered robots]

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GSH series

last updated：Nov 06, 2025

Corelss Motor Co.,ltd HQ

Official site

Gear motor developed for small robots. Perfect for battery-powered small robots and small AGVs. #SmallRobot #AGV #Robot

The [GMH series] of coreless motors delivers high torque while maintaining the same size as traditional motors. This significant difference is achieved by utilizing the hollow structure, one of the key features of coreless design. By incorporating gears into the hollow section, we have enabled a more compact overall system. Furthermore, placing the gears inside the motor contributes to the quiet operation of geared motors. By serving as an alternative to products with gearheads, we contribute to the miniaturization of systems. With no iron core, there are no losses that cause heat generation, allowing for high-speed rotation. It is widely used in small AGVs (automated guided vehicles), compact conveyors, and small robots. **Features** - Lightweight and compact with powerful performance due to a special coreless structure - Capable of handling small applications that require high-speed rotation - Excellent quietness due to the built-in small planetary gears - Adjustable to desired rotation speed and torque - Achieves miniaturization of geared motors by placing small gears inside the motor - Custom motors can be produced by adjusting the gear ratio - Options available with encoders and brakes

Related Link - http://www.cls-motor.com/products/dc/gearin

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basic information

【FA Equipment Applications】 - Small robots - Small AGVs (Automated Guided Vehicles) - Small conveyors - Small unmanned transport vehicles - Small assistive carts - Small electric carts - Small unmanned carts - Small humanoid robots - Small customer service robots - Small transport equipment - Small arm robots - Small SCARA robots - Small vertical multi-joint robots - Small compound arms - Small picking inspection devices - Small box packing robots - Small cardboard palletizing - Small machine tool supply and retrieval - Small construction and canning structure welding - Small PET bottle picking and transport - Small electronic component picking inspection - Small transport component picking and transport - Small parallel picking (overhead type) - Small dispensers - Small bolt and screw tightening and other general FA equipment - Small autonomous robots - Small agricultural machinery - Small home appliances - Small automobiles - Small quadruped robots - Small underwater mobile robots - Small nursing care robots For more details, please refer to the catalog. Feel free to contact us with any inquiries.

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※The prototype creation will take some time.

Applications/Examples of results

To those struggling with the miniaturization of robots, we have a new proposal from Coreless Motor Co., Ltd. A reliable robot that delivers great power in a small body. Just imagining it is exciting, isn't it? Unfortunately, with conventional motors, the motor and gearhead are separate, which causes geared motors to become large, making it difficult to miniaturize and lighten the system. The GSH series from Coreless Motor maintains the size of the motor while delivering high torque. The key difference comes from utilizing one of the main features of the coreless structure: the "hollow structure." By incorporating gears into this hollow section, we have made it possible to save space for the entire system. Furthermore, by placing the gears inside the motor, we also contribute to the quietness of the geared motor. We want to share the joy of making what was once impossible, possible, with you. With this aspiration in mind, we support our customers in the miniaturization of motors. - Robotics equipment, industrial machinery, mobile robots, transport robots, medical devices, agricultural machinery, power tools, and many more.