313 lines
10 KiB
OpenSCAD
313 lines
10 KiB
OpenSCAD
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mm = 1;
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cm = 10 * mm;
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dm = 100 * mm;
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m = 1000 * mm;
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inch = 25.4 * mm;
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X = [1, 0, 0];
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Y = [0, 1, 0];
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Z = [0, 0, 1];
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// When a small distance is needed to overlap shapes for boolean cutting, etc.
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//epsilon = 0.01*mm;
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/*
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* Material colors.
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*
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* Originally by Hans Häggström, 2010.
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* Dual licenced under Creative Commons Attribution-Share Alike 3.0 and LGPL2 or later
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*/
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// Material colors
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Oak = [0.65, 0.5, 0.4];
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Pine = [0.85, 0.7, 0.45];
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Birch = [0.9, 0.8, 0.6];
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FiberBoard = [0.7, 0.67, 0.6];
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BlackPaint = [0.2, 0.2, 0.2];
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Iron = [0.36, 0.33, 0.33];
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Steel = [0.65, 0.67, 0.72];
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Stainless = [0.45, 0.43, 0.5];
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Aluminum = [0.77, 0.77, 0.8];
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Brass = [0.88, 0.78, 0.5];
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Transparent = [1, 1, 1, 0.2];
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// Parameters:
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NemaModel = 0;
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NemaLengthShort = 1;
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NemaLengthMedium = 2;
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NemaLengthLong = 3;
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NemaSideSize = 4;
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NemaDistanceBetweenMountingHoles = 5;
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NemaMountingHoleDiameter = 6;
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NemaMountingHoleDepth = 7;
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NemaMountingHoleLip = 8;
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NemaMountingHoleCutoutRadius = 9;
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NemaEdgeRoundingRadius = 10;
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NemaRoundExtrusionDiameter = 11;
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NemaRoundExtrusionHeight = 12;
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NemaAxleDiameter = 13;
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NemaFrontAxleLength = 14;
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NemaBackAxleLength = 15;
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NemaAxleFlatDepth = 16;
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NemaAxleFlatLengthFront = 17;
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NemaAxleFlatLengthBack = 18;
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NemaA = 1;
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NemaB = 2;
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NemaC = 3;
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NemaShort = NemaA;
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NemaMedium = NemaB;
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NemaLong = NemaC;
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// TODO: The small motors seem to be a bit too long, I picked the size specs from all over the place, is there some canonical reference?
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Nema08 = [
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[NemaModel, 8],
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[NemaLengthShort, 33*mm],
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[NemaLengthMedium, 43*mm],
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[NemaLengthLong, 43*mm],
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[NemaSideSize, 20*mm],
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[NemaDistanceBetweenMountingHoles, 15.4*mm],
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[NemaMountingHoleDiameter, 2*mm],
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[NemaMountingHoleDepth, 1.75*mm],
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[NemaMountingHoleLip, -1*mm],
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[NemaMountingHoleCutoutRadius, 0*mm],
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[NemaEdgeRoundingRadius, 2*mm],
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[NemaRoundExtrusionDiameter, 16*mm],
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[NemaRoundExtrusionHeight, 1.5*mm],
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[NemaAxleDiameter, 4*mm],
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[NemaFrontAxleLength, 13.5*mm],
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[NemaBackAxleLength, 9.9*mm],
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[NemaAxleFlatDepth, -1*mm],
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[NemaAxleFlatLengthFront, 0*mm],
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[NemaAxleFlatLengthBack, 0*mm]
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];
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Nema11 = [
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[NemaModel, 11],
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[NemaLengthShort, 32*mm],
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[NemaLengthMedium, 40*mm],
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[NemaLengthLong, 52*mm],
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[NemaSideSize, 28*mm],
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[NemaDistanceBetweenMountingHoles, 23*mm],
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[NemaMountingHoleDiameter, 2.5*mm],
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[NemaMountingHoleDepth, 2*mm],
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[NemaMountingHoleLip, -1*mm],
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[NemaMountingHoleCutoutRadius, 0*mm],
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[NemaEdgeRoundingRadius, 2.5*mm],
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[NemaRoundExtrusionDiameter, 22*mm],
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[NemaRoundExtrusionHeight, 1.8*mm],
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[NemaAxleDiameter, 5*mm],
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[NemaFrontAxleLength, 13.7*mm],
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[NemaBackAxleLength, 10*mm],
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[NemaAxleFlatDepth, 0.5*mm],
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[NemaAxleFlatLengthFront, 10*mm],
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[NemaAxleFlatLengthBack, 9*mm]
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];
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Nema14 = [
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[NemaModel, 14],
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[NemaLengthShort, 26*mm],
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[NemaLengthMedium, 28*mm],
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[NemaLengthLong, 34*mm],
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[NemaSideSize, 35.3*mm],
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[NemaDistanceBetweenMountingHoles, 26*mm],
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[NemaMountingHoleDiameter, 3*mm],
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[NemaMountingHoleDepth, 3.5*mm],
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[NemaMountingHoleLip, -1*mm],
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[NemaMountingHoleCutoutRadius, 0*mm],
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[NemaEdgeRoundingRadius, 5*mm],
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[NemaRoundExtrusionDiameter, 22*mm],
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[NemaRoundExtrusionHeight, 1.9*mm],
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[NemaAxleDiameter, 5*mm],
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[NemaFrontAxleLength, 18*mm],
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[NemaBackAxleLength, 10*mm],
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[NemaAxleFlatDepth, 0.5*mm],
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[NemaAxleFlatLengthFront, 15*mm],
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[NemaAxleFlatLengthBack, 9*mm]
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];
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Nema17 = [
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[NemaModel, 17],
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[NemaLengthShort, 33*mm],
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[NemaLengthMedium, 39*mm],
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[NemaLengthLong, 47*mm],
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[NemaSideSize, 42.20*mm],
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[NemaDistanceBetweenMountingHoles, 31.04*mm],
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[NemaMountingHoleDiameter, 4*mm],
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[NemaMountingHoleDepth, 4.5*mm],
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[NemaMountingHoleLip, -1*mm],
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[NemaMountingHoleCutoutRadius, 0*mm],
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[NemaEdgeRoundingRadius, 7*mm],
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[NemaRoundExtrusionDiameter, 22*mm],
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[NemaRoundExtrusionHeight, 1.9*mm],
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[NemaAxleDiameter, 5*mm],
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[NemaFrontAxleLength, 18*mm],
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[NemaBackAxleLength, 15*mm],
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[NemaAxleFlatDepth, 0.5*mm],
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[NemaAxleFlatLengthFront, 15*mm],
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[NemaAxleFlatLengthBack, 14*mm]
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];
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Nema23 = [
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[NemaModel, 23],
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[NemaLengthShort, 39*mm],
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[NemaLengthMedium, 54*mm],
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[NemaLengthLong, 76*mm],
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[NemaSideSize, 56.4*mm],
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[NemaDistanceBetweenMountingHoles, 47.14*mm],
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[NemaMountingHoleDiameter, 4.75*mm],
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[NemaMountingHoleDepth, 5*mm],
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[NemaMountingHoleLip, 4.95*mm],
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[NemaMountingHoleCutoutRadius, 9.5*mm],
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[NemaEdgeRoundingRadius, 2.5*mm],
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[NemaRoundExtrusionDiameter, 38.10*mm],
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[NemaRoundExtrusionHeight, 1.52*mm],
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[NemaAxleDiameter, 6.36*mm],
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[NemaFrontAxleLength, 18.80*mm],
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[NemaBackAxleLength, 15.60*mm],
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[NemaAxleFlatDepth, 0.5*mm],
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[NemaAxleFlatLengthFront, 16*mm],
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[NemaAxleFlatLengthBack, 14*mm]
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];
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Nema34 = [
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[NemaModel, 34],
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[NemaLengthShort, 66*mm],
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[NemaLengthMedium, 96*mm],
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[NemaLengthLong, 126*mm],
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[NemaSideSize, 85*mm],
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[NemaDistanceBetweenMountingHoles, 69.58*mm],
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[NemaMountingHoleDiameter, 6.5*mm],
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[NemaMountingHoleDepth, 5.5*mm],
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[NemaMountingHoleLip, 5*mm],
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[NemaMountingHoleCutoutRadius, 17*mm],
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[NemaEdgeRoundingRadius, 3*mm],
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[NemaRoundExtrusionDiameter, 73.03*mm],
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[NemaRoundExtrusionHeight, 1.9*mm],
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[NemaAxleDiameter, 0.5*inch],
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[NemaFrontAxleLength, 37*mm],
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[NemaBackAxleLength, 34*mm],
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[NemaAxleFlatDepth, 1.20*mm],
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[NemaAxleFlatLengthFront, 25*mm],
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[NemaAxleFlatLengthBack, 25*mm]
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];
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function motorWidth(model=Nema23) = lookup(NemaSideSize, model);
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function motorLength(model=Nema23, size=NemaMedium) = lookup(size, model);
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module motor(model=Nema23, size=NemaMedium, pos=[0,0,0], orientation = [0,0,0]) {
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length = lookup(size, model);
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echo(str(" Motor: Nema",lookup(NemaModel, model),", length= ",length,"mm"));
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stepperBlack = BlackPaint;
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stepperAluminum = Aluminum;
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side = lookup(NemaSideSize, model);
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cutR = lookup(NemaMountingHoleCutoutRadius, model);
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lip = lookup(NemaMountingHoleLip, model);
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holeDepth = lookup(NemaMountingHoleDepth, model);
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axleLengthFront = lookup(NemaFrontAxleLength, model);
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axleLengthBack = lookup(NemaBackAxleLength, model);
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axleRadius = lookup(NemaAxleDiameter, model) * 0.5;
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extrSize = lookup(NemaRoundExtrusionHeight, model);
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extrRad = lookup(NemaRoundExtrusionDiameter, model) * 0.5;
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holeDist = lookup(NemaDistanceBetweenMountingHoles, model) * 0.5;
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holeRadius = lookup(NemaMountingHoleDiameter, model) * 0.5;
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mid = side / 2;
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roundR = lookup(NemaEdgeRoundingRadius, model);
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axleFlatDepth = lookup(NemaAxleFlatDepth, model);
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axleFlatLengthFront = lookup(NemaAxleFlatLengthFront, model);
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axleFlatLengthBack = lookup(NemaAxleFlatLengthBack, model);
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color(stepperBlack){
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translate(pos) rotate(orientation) {
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translate([-mid, -mid, 0])
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difference() {
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cube(size=[side, side, length + extrSize]);
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// Corner cutouts
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if (lip > 0) {
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translate([0, 0, lip]) cylinder(h=length, r=cutR);
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translate([side, 0, lip]) cylinder(h=length, r=cutR);
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translate([0, side, lip]) cylinder(h=length, r=cutR);
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translate([side, side, lip]) cylinder(h=length, r=cutR);
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}
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// Rounded edges
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if (roundR > 0) {
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translate([mid+mid, mid+mid, length/2])
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rotate([0,0,45])
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cube(size=[roundR, roundR*2, 4+length + extrSize+2], center=true);
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translate([mid-(mid), mid+(mid), length/2])
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rotate([0,0,45])
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cube(size=[roundR*2, roundR, 4+length + extrSize+2], center=true);
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translate([mid+mid, mid-mid, length/2])
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rotate([0,0,45])
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cube(size=[roundR*2, roundR, 4+length + extrSize+2], center=true);
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translate([mid-mid, mid-mid, length/2])
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rotate([0,0,45])
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cube(size=[roundR, roundR*2, 4+length + extrSize+2], center=true);
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}
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// Bolt holes
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color(stepperAluminum, $fs=holeRadius/8) {
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translate([mid+holeDist,mid+holeDist,-1*mm]) cylinder(h=holeDepth+1*mm+extrSize, r=holeRadius);
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translate([mid-holeDist,mid+holeDist,-1*mm]) cylinder(h=holeDepth+1*mm+extrSize, r=holeRadius);
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translate([mid+holeDist,mid-holeDist,-1*mm]) cylinder(h=holeDepth+1*mm+extrSize, r=holeRadius);
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translate([mid-holeDist,mid-holeDist,-1*mm]) cylinder(h=holeDepth+1*mm+extrSize, r=holeRadius);
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}
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// Grinded flat
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color(stepperAluminum) {
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difference() {
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translate([-1*mm, -1*mm, -1*mm])
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cube(size=[side+2*mm, side+2*mm, extrSize + 1*mm]);
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translate([side/2, side/2, -1*mm])
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cylinder(h=extrSize + 1*mm, r=extrRad);
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}
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}
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}
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// Axle
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translate([0, 0, extrSize-axleLengthFront]) color(stepperAluminum)
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difference() {
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cylinder(h=axleLengthFront + 1*mm , r=axleRadius, $fs=axleRadius/10);
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// Flat
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if (axleFlatDepth > 0)
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translate([axleRadius - axleFlatDepth,-5*mm,-extrSize*mm -(axleLengthFront-axleFlatLengthFront)] ) cube(size=[5*mm, 10*mm, axleLengthFront]);
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}
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}
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}
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}
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module roundedBox(size, edgeRadius) {
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cube(size);
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}
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module Nema17(){
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motor(model=Nema17, size=NemaMedium, pos=[0,0,0], orientation = [0,0,0]);
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}
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