224 lines
7.1 KiB
OpenSCAD
224 lines
7.1 KiB
OpenSCAD
/*
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* Bearing model.
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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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/*
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change list 13/6/2013
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added ,604,606,607,628,629,6200,6201,6202,6203,6205,6206 bearing sizes
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*/
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include <units.scad>
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include <materials.scad>
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// Example, uncomment to view
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//test_bearing();
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//test_bearing_hole();
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module test_bearing(){
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bearing();
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bearing(pos=[5*cm, 0,0], angle=[90,0,0]);
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bearing(pos=[-2.5*cm, 0,0], model=688);
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}
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module test_bearing_hole(){
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difference(){
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cube(size=[30, 30, 7-10*epsilon], center=true);
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bearing(outline=true, center=true);
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}
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}
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BEARING_INNER_DIAMETER = 0;
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BEARING_OUTER_DIAMETER = 1;
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BEARING_WIDTH = 2;
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// Common bearing names
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SkateBearing = 608;
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// Bearing dimensions
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// model == XXX ? [inner dia, outer dia, width]:
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// http://www.gizmology.net/bearings.htm has some valuable information on that
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// https://www.bearingworks.com/bearing-sizes has a very exhaustive table of dimensions
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function bearingDimensions(model) =
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model == 603 ? [3*mm, 9*mm, 5*mm]:
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model == 604 ? [4*mm, 12*mm, 4*mm]:
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model == 605 ? [5*mm, 14*mm, 5*mm]:
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model == 606 ? [6*mm, 17*mm, 6*mm]:
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model == 607 ? [7*mm, 19*mm, 6*mm]:
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model == 608 ? [8*mm, 22*mm, 7*mm]:
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model == 609 ? [9*mm, 24*mm, 7*mm]:
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model == 623 ? [3*mm, 10*mm, 4*mm]:
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model == 624 ? [4*mm, 13*mm, 5*mm]:
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model == 625 ? [5*mm, 16*mm, 5*mm]:
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model == 626 ? [6*mm, 19*mm, 6*mm]:
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model == 627 ? [7*mm, 22*mm, 7*mm]:
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model == 628 ? [8*mm, 24*mm, 8*mm]:
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model == 629 ? [9*mm, 26*mm, 8*mm]:
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model == 633 ? [3*mm, 13*mm, 5*mm]:
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model == 634 ? [4*mm, 16*mm, 5*mm]:
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model == 635 ? [5*mm, 19*mm, 6*mm]:
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model == 636 ? [6*mm, 22*mm, 7*mm]:
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model == 637 ? [7*mm, 26*mm, 9*mm]:
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model == 638 ? [8*mm, 28*mm, 9*mm]:
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model == 639 ? [9*mm, 30*mm, 10*mm]:
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model == 673 ? [3*mm, 6*mm, 2.5*mm]:
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model == 674 ? [4*mm, 7*mm, 2.5*mm]:
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model == 675 ? [5*mm, 8*mm, 2.5*mm]:
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model == 676 ? [6*mm, 10*mm, 3*mm]:
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model == 677 ? [7*mm, 11*mm, 3*mm]:
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model == 678 ? [8*mm, 12*mm, 3.5*mm]:
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model == 683 ? [3*mm, 7*mm, 3*mm]:
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model == 684 ? [4*mm, 9*mm, 4*mm]:
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model == 685 ? [5*mm, 11*mm, 5*mm]:
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model == 686 ? [6*mm, 13*mm, 5*mm]:
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model == 687 ? [7*mm, 14*mm, 5*mm]:
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model == 688 ? [8*mm, 16*mm, 5*mm]:
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model == 689 ? [9*mm, 17*mm, 5*mm]:
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model == 692 ? [2*mm, 6*mm, 3*mm]:
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model == 693 ? [3*mm, 8*mm, 4*mm]:
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model == 694 ? [4*mm, 11*mm, 4*mm]:
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model == 695 ? [5*mm, 13*mm, 4*mm]:
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model == 696 ? [6*mm, 15*mm, 5*mm]:
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model == 697 ? [7*mm, 17*mm, 5*mm]:
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model == 698 ? [8*mm, 19*mm, 6*mm]:
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model == 699 ? [9*mm, 20*mm, 6*mm]:
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model == 6000 ? [10*mm, 26*mm, 8*mm]:
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model == 6001 ? [12*mm, 28*mm, 8*mm]:
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model == 6002 ? [15*mm, 32*mm, 9*mm]:
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model == 6003 ? [17*mm, 35*mm, 10*mm]:
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model == 6004 ? [20*mm, 42*mm, 12*mm]:
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model == 6005 ? [25*mm, 47*mm, 12*mm]:
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model == 6006 ? [30*mm, 55*mm, 13*mm]:
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model == 6007 ? [35*mm, 62*mm, 14*mm]:
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model == 6008 ? [40*mm, 68*mm, 15*mm]:
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model == 6009 ? [45*mm, 75*mm, 16*mm]:
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model == 6010 ? [50*mm, 80*mm, 16*mm]:
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model == 6011 ? [55*mm, 90*mm, 18*mm]:
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model == 6012 ? [60*mm, 95*mm, 18*mm]:
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model == 6013 ? [65*mm, 100*mm, 18*mm]:
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model == 6014 ? [70*mm, 110*mm, 20*mm]:
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model == 6015 ? [75*mm, 115*mm, 20*mm]:
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model == 6200 ? [10*mm, 30*mm, 9*mm]:
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model == 6201 ? [12*mm, 32*mm, 10*mm]:
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model == 6202 ? [15*mm, 35*mm, 11*mm]:
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model == 6203 ? [17*mm, 40*mm, 12*mm]:
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model == 6204 ? [20*mm, 47*mm, 14*mm]:
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model == 6205 ? [25*mm, 52*mm, 15*mm]:
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model == 6206 ? [30*mm, 62*mm, 16*mm]:
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model == 6207 ? [35*mm, 72*mm, 17*mm]:
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model == 6208 ? [40*mm, 80*mm, 18*mm]:
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model == 6209 ? [45*mm, 85*mm, 19*mm]:
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model == 6300 ? [10*mm, 35*mm, 11*mm]:
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model == 6301 ? [12*mm, 37*mm, 12*mm]:
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model == 6302 ? [15*mm, 42*mm, 13*mm]:
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model == 6303 ? [17*mm, 47*mm, 14*mm]:
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model == 6304 ? [20*mm, 52*mm, 15*mm]:
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model == 6305 ? [25*mm, 62*mm, 17*mm]:
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model == 6306 ? [30*mm, 72*mm, 19*mm]:
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model == 6307 ? [35*mm, 80*mm, 21*mm]:
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model == 6308 ? [40*mm, 90*mm, 23*mm]:
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model == 6309 ? [45*mm, 100*mm, 25*mm]:
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model == 6310 ? [50*mm, 110*mm, 27*mm]:
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model == 6311 ? [55*mm, 120*mm, 29*mm]:
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model == 6312 ? [60*mm, 130*mm, 31*mm]:
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model == 6313 ? [65*mm, 140*mm, 33*mm]:
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model == 6314 ? [70*mm, 150*mm, 35*mm]:
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model == 6315 ? [75*mm, 160*mm, 37*mm]:
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model == 6700 ? [10*mm, 15*mm, 4*mm]:
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model == 6701 ? [12*mm, 18*mm, 4*mm]:
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model == 6808 ? [40*mm, 52*mm, 7*mm]:
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model == 6900 ? [10*mm, 22*mm, 6*mm]:
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model == 6901 ? [12*mm, 24*mm, 6*mm]:
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model == 6902 ? [15*mm, 28*mm, 7*mm]:
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model == 6903 ? [17*mm, 30*mm, 7*mm]:
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model == 6904 ? [20*mm, 37*mm, 9*mm]:
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model == 6905 ? [25*mm, 42*mm, 9*mm]:
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model == "LM12" ? [12*mm, 21*mm, 30*mm]:
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model == "MR52" ? [2*mm, 5*mm, 2.5*mm]:
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model == "MR62" ? [2*mm, 6*mm, 2.5*mm]:
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model == "MR63" ? [3*mm, 6*mm, 2.5*mm]:
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model == "MR72" ? [2*mm, 7*mm, 3*mm]:
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model == "MR74" ? [4*mm, 7*mm, 2.5*mm]:
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model == "MR83" ? [3*mm, 8*mm, 3*mm]:
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model == "MR84" ? [4*mm, 8*mm, 3*mm]:
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model == "MR85" ? [5*mm, 8*mm, 2.5*mm]:
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model == "MR93" ? [3*mm, 9*mm, 4*mm]:
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model == "MR95" ? [5*mm, 9*mm, 3*mm]:
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model == "MR104" ? [4*mm, 10*mm, 4*mm]:
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model == "MR105" ? [5*mm, 10*mm, 4*mm]:
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model == "MR106" ? [6*mm, 10*mm, 3*mm]:
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model == "MR115" ? [5*mm, 11*mm, 4*mm]:
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model == "MR117" ? [7*mm, 11*mm, 3*mm]:
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model == "MR126" ? [6*mm, 12*mm, 4*mm]:
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model == "MR128" ? [8*mm, 12*mm, 3.5*mm]:
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model == "MR137" ? [7*mm, 13*mm, 4*mm]:
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model == "MR148" ? [8*mm, 14*mm, 4*mm]:
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model == "MR149" ? [9*mm, 14*mm, 4.5*mm]:
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[8*mm, 22*mm, 7*mm]; // this is the default
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function bearingWidth(model) = bearingDimensions(model)[BEARING_WIDTH];
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function bearingInnerDiameter(model) = bearingDimensions(model)[BEARING_INNER_DIAMETER];
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function bearingOuterDiameter(model) = bearingDimensions(model)[BEARING_OUTER_DIAMETER];
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module bearing(pos=[0,0,0], angle=[0,0,0], model=SkateBearing, outline=false,
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material=Steel, sideMaterial=Brass, center=false) {
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// Common bearing names
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model =
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model == "Skate" ? 608 :
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model;
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w = bearingWidth(model);
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innerD = outline==false ? bearingInnerDiameter(model) : 0;
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outerD = bearingOuterDiameter(model);
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innerRim = innerD + (outerD - innerD) * 0.2;
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outerRim = outerD - (outerD - innerD) * 0.2;
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midSink = w * 0.1;
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newpos = [pos[0], pos[1], center ? pos[2]-(w/2) : pos[2]];
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translate(newpos) rotate(angle) union() {
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color(material)
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difference() {
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// Basic ring
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Ring([0,0,0], outerD, innerD, w, material, material);
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if (outline==false) {
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// Side shields
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Ring([0,0,-epsilon], outerRim, innerRim, epsilon+midSink, sideMaterial, material);
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Ring([0,0,w-midSink], outerRim, innerRim, epsilon+midSink, sideMaterial, material);
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}
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}
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}
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module Ring(pos, od, id, h, material, holeMaterial) {
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color(material) {
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translate(pos)
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difference() {
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cylinder(r=od/2, h=h, $fs = 0.01);
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color(holeMaterial)
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translate([0,0,-10*epsilon])
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cylinder(r=id/2, h=h+20*epsilon, $fs = 0.01);
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}
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}
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}
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}
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