HTD 3M 2:1 REDUCTION TIMING PULLEYS
grabcad
This is an assembly (plus individual models) of an HTD 3M Timing Belt Reduction 'kit' purchased from AliExpress. The 'kit' included 1x 40 Tooth Gear/Pulley with a bore of 8mm, 1x 20 Tooth Gear/Pulley with a bore of 6.35mm, and a 240mm length closed loop timing belt giving the two gears/pulleys a distance of 76mm between the two bore centres. The models were initially measured by hand, however were later confirmed and altered (slightly) to match the technical drawing sheet provided by the supplier. The purpose of modelling was to include within a larger model of a CNC router's Z-Axis Lead screw. I hope they suit your needs as well as they've suited mine!
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