REV-21-2201 RT25 (1/4 in pitch) timing pulley, 12 teeth, 1/2in belt, 1/2 in hex bore

REV Robotics · MPN REV-21-2201 · frc-pulley

Use it

(import "parts/pulley/REV-21-2201.ik" as p)

In a design on ink: ask your agent for it by name, or by what it must be.

Dimensions

teeth	12
pitch	6.35
pitch-diameter	24.2552
tip-radius	11.8203
root-radius	9.4073
groove-depth	2.413

Frame of reference

Axis z; back face z = 0, front face z = width; a tooth land tooth-clock degrees from +x.

Frames

Where it connects: each frame sits on the face it connects by, z out of the part, in the part's own coordinates.

Of	Frame	Origin	x	z
part	back	(0, 0, 0)	(1, 0, 0)	(0, 0, -1)
part	front	(0, 0, 18.6944)	(1, 0, 0)	(0, 0, 1)

All 31 numbers in its record

teeth	12
pitch	6.35
pitch-diameter	24.2552
tip-radius	11.8203
root-radius	9.4073
groove-depth	2.413
tooth-clock	-15
groove-half-profile	0, 2.41303, -0.303718, 1.66549, 1.29855, -0.050393, 1.85101, 0.67831, 0.359615, 2.36816, 0.25111, 0.052863, 2.47858, 0.26282, 0
groove-polygon	-2.47858, 0.26282, 0.052863, -2.36816, 0.25111, 0.359615, -1.85101, 0.67831, -0.050393, -1.66549, 1.29855, -0.303718, 0, 2.41303, -0.303718, 1.66549, 1.29855, -0.050393, 1.85101, 0.67831, 0.359615, 2.36816, 0.25111, 0.052863, 2.47858, 0.26282, 0, 3.55932, 0.26282, 0, 3.55932, -1, 0, -3.55932, -1, 0
teeth-z0	2.2032
teeth-z1	16.4912
width	18.6944
section	13.0417, 17.9007, 13.0417, 16.8594, 11.7717, 16.491, 8.7748, 16.491, 8.7748, 17.491, 11.6295, 17.491, 8.7748, 0.8373, 8.7748, 2.2035, 9.4073, 2.2035, 9.4073, 16.4909, 8.7748, 16.4909, 8.7748, 17.8571, 7.9375, 18.6944, 0, 18.6944, 0, 0, 7.9375, 0, 13.0417, 0.7937, 13.0417, 1.835, 11.7717, 2.2034, 8.7748, 2.2034, 8.7748, 1.2034, 11.6295, 1.2034
outer-diameter	26.0834
bore-af	12.7
bore-round	0
bore-clock	30
spline-teeth	0
spline-module	0
spline-pa	0
spline-backlash	0
spline-minor	0
spline-major	0
key-width	0
key-depth	0
key-angle	0
notch-width	0
notch-depth	0
notch-faces	1
notch-angle	90
hub-diameter	0