[{"data":1,"prerenderedAt":87},["ShallowReactive",2],{"\u002Fen\u002Fglossary\u002Fhollow-shaft-motor":3},{"id":4,"title":5,"alternateName":6,"body":7,"description":77,"extension":78,"keywords":79,"meta":80,"navigation":81,"path":82,"seo":83,"stem":84,"updated":85,"__hash__":86},"glossary\u002Fglossary\u002Fen\u002Fhollow-shaft-motor.md","Hollow Shaft Motor","中空轴电机",{"type":8,"value":9,"toc":71},"minimark",[10,15,24,29,32,45,54,58],[11,12,14],"h1",{"id":13},"what-is-a-hollow-shaft-motor","What Is a Hollow Shaft Motor?",[16,17,18,19,23],"p",{},"A ",[20,21,22],"strong",{},"hollow shaft motor"," is a motor or actuator whose output shaft has a through-bore along its rotation axis. Unlike solid-shaft designs, cables, hydraulic lines, and sensor harnesses can pass straight through the joint's center of rotation instead of looping around the outside.",[25,26,28],"h2",{"id":27},"why-robots-need-hollow-shafts","Why Robots Need Hollow Shafts",[16,30,31],{},"High-DOF robots — such as a 31-DOF humanoid — chain many joints in series. If every joint routes its cables externally:",[33,34,35,39,42],"ul",{},[36,37,38],"li",{},"harnesses fatigue and fail where joints flex repeatedly;",[36,40,41],{},"exposed cables limit range of motion and snag on the environment;",[36,43,44],{},"wiring complexity and assembly time grow rapidly with joint count.",[16,46,47,48,53],{},"Routing through the center bore solves all three at once, which is why hollow-shaft designs are central to modern integrated ",[49,50,52],"a",{"href":51},"\u002Fen\u002Fglossary\u002Fjoint-motor","joint motors",".",[25,55,57],{"id":56},"engineering-trade-offs","Engineering Trade-offs",[16,59,60,61,65,66,70],{},"A larger bore passes more wiring but complicates the layout of the rotor, encoders, and gearbox. The BXI ",[49,62,64],{"href":63},"\u002Fen\u002Fmotors\u002Fadvanced-motors","85\u002F70\u002F50-series joint motors"," provide 6–10 mm hollow bores, using a ",[49,67,69],{"href":68},"\u002Fen\u002Fglossary\u002Fplanetary-gearbox","planetary gearbox"," to balance torque density against routing space.",{"title":72,"searchDepth":73,"depth":73,"links":74},"",2,[75,76],{"id":27,"depth":73,"text":28},{"id":56,"depth":73,"text":57},"A hollow shaft motor has a through-bore along its output axis, letting cables, tubing, and sensor harnesses pass through the joint center — dramatically simplifying robot wiring and expanding joint range of motion.","md","hollow shaft motor, hollow bore actuator, robot cable routing, joint motor design",{},true,"\u002Fglossary\u002Fen\u002Fhollow-shaft-motor",{"title":5,"description":77},"glossary\u002Fen\u002Fhollow-shaft-motor",null,"8AXKSNUXkdra2vm9kBh5SEf95zF0eH7tQEh9y--ROE4",1783425867253]