319c60d4fa
* Change tangentialArc, tangentialArcTo, and tangentialArcToRelative to keyword args * Change tangentialArc offset to angle and convert to kw arg calls * Fix lints * Fix sketch errors and all unit tests passing * Fix tangentialArcTo calls in KCL samples * Update tangentialArc in samples * Update sim test output * Fix formatting * Fix mistake in merge * Fix gear rack sample * Update output after more samples fixes * Update gear rack output * Add end label to docs snippet * Fix to not add endAbsolute for an arc with radius or angle arguments * Update docs outputs * Fix formatting * Fix executor tests * Fix formatting * Fix bench input files * Fix spelling * Improve error messages --------- Co-authored-by: Adam Chalmers <adam.chalmers@zoo.dev>
44 lines
1.7 KiB
Plaintext
44 lines
1.7 KiB
Plaintext
// Cycloidal Gear
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// A cycloidal gear is a gear with a continuous, curved tooth profile. They are used in watchmaking and high precision robotics actuation
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// Set units
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@settings(defaultLengthUnit = in)
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// Create a function for the cycloidal gear
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fn cycloidalGear(gearPitch, gearHeight, holeDiameter, helixAngle) {
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// Create a function to draw the gear profile as a sketch. Rotate each profile about the gear's axis by an helix angle proportional to the total gear height
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fn gearSketch(gHeight) {
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helixAngleP = helixAngle * gHeight / gearHeight
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gearProfile = startSketchOn(offsetPlane(XY, offset = gHeight))
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|> startProfileAt([
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gearPitch * 1.55 * cos(toRadians(helixAngleP)) + gearPitch * sin(toRadians(-helixAngleP)),
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gearPitch * 1.55 * sin(toRadians(helixAngleP)) + gearPitch * cos(toRadians(-helixAngleP))
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], %)
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|> arc({
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angleStart = 90 + helixAngleP,
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angleEnd = -90 + helixAngleP,
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radius = gearPitch
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}, %)
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|> tangentialArc(radius = gearPitch * 1.67, angle = 60)
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|> tangentialArc(radius = gearPitch, angle = -180)
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|> tangentialArc(radius = gearPitch * 1.67, angle = 60)
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|> tangentialArc(radius = gearPitch, angle = -180)
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|> tangentialArc(endAbsolute = [profileStartX(%), profileStartY(%)])
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|> close(%)
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|> hole(circle(center = [0, 0], radius = holeDiameter / 2), %)
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return gearProfile
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}
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// Draw sketches of the gear profile along the gear height and loft them together
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gearLoft = loft([
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gearSketch(0),
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gearSketch(gearHeight / 2),
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gearSketch(gearHeight)
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])
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return gearLoft
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}
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// Call the cycloidal gear function
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cycloidalGear(.3, 1.5, 0.297, -80)
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