86 Tooth GT2 pulley knob
thingiverse
Human: A custom pulley for GT2 belt on a rotary table has been created using the specs of an existing model. Specifically, the 86T pulley fits over the knob on one particular 4" TSL100 Rotary Table from Yantai Universal Machine Tool Accessory Group Co., Ltd. in PRC. This unique design features a slip fit with a significant reduction ratio thanks to its 72:1 worm drive, translating one knob turn into five degrees of table rotation. However, a possible enhancement would be using an 85-tooth driver and stepper shaft pulley, resulting in a more optimal 5:1 reduction and an overall 360-degree full turn, equating to precisely one degree per stepper shaft rotation.
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