82 lines
3.3 KiB
OpenSCAD
82 lines
3.3 KiB
OpenSCAD
use <2020_profile.scad>
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//include <jk_rails.scad>
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include <./common/common.scad>
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include <./common/motors.scad>
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include <./common/rods.scad>
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RailSpacing = 100;
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ThreadedRodSpacing = 50;
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RailEndX = 140;
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module m3_bolt_void (pos = [0, 0, 0], BoltH = 20, CapH = 3) {
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D = 3.25;
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CapD = 6;
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translate(pos) {
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translate([0, 0, CapH / 2]) cylinder(r = R(CapD), h = CapH, center = true, $fn = 40);
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translate([0, 0, -BoltH / 2]) cylinder(r = R(D), h = BoltH + 0.01, center = true, $fn = 40);
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}
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}
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module bolt_voids_2020 (pos = [0, 0, 0]) {
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translate(pos) {
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//translate([0, -25, 0]) rotate([90, 0, 0]) m3_bolt_void(CapH = 6);
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translate([0, 25, 0]) rotate([-90, 0, 0]) m3_bolt_void(CapH = 6);
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translate([-16, 0, 0]) rotate([0, -90, 0]) m3_bolt_void(CapH = 6, BoltH = 10);
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}
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}
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module bolt_voids_motor (pos = [0, 0, 0]) {
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Corner = NEMA17BoltSpacing / 2;
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translate(pos) {
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translate([Corner, Corner, 0]) m3_bolt_void(CapH = 6, BoltH = 40);
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translate([Corner, -Corner, 0]) m3_bolt_void(CapH = 6, BoltH = 40);
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translate([-Corner, Corner, 0]) m3_bolt_void(CapH = 6, BoltH = 40);
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translate([-Corner, -Corner, 0]) m3_bolt_void(CapH = 6, BoltH = 40);
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}
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}
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module rail_end (pos = [0, 0, 0], rot = [90, 0, 0], Motors = true) {
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translate(pos) rotate(rot) difference () {
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difference () {
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translate([0, -10, 20]) rounded_cube([RailEndX, 80, 80], d = 10, center = true, $fn = 50);
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translate([0, 10, 50]) rotate([0, 90, 0]) rounded_cube([60, 80, RailEndX + 1], d = 10, center = true, $fn = 50);
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}
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//rails
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translate([-RailSpacing / 2, 0, 5]) cube([21, 21, 40], center = true);
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translate([RailSpacing / 2, 0, 5]) cube([21, 21, 40], center = true);
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//rails bolts
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bolt_voids_2020([-RailSpacing / 2, 0, 0]);
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rotate([0, 180, 0]) bolt_voids_2020([-RailSpacing / 2, 0, 0]);
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if (Motors) {
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translate([ThreadedRodSpacing / 2, 0, 0]) {
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cylinder(r = R(NEMA17PadD + 0.5), h = 60, center = true, $fn = 100);
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bolt_voids_motor([0, 0, 16]);
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}
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translate([-ThreadedRodSpacing / 2, 0, 0]) {
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cylinder(r = R(NEMA17PadD + 0.5), h = 60, center = true, $fn = 100);
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bolt_voids_motor([0, 0, 16]);
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}
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} else {
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translate([-ThreadedRodSpacing / 2, 0, 0]) cylinder(r = R(LinearBearingOuterDiameter + 0.5), h = 60, center = true, $fn = 100);
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translate([-ThreadedRodSpacing / 2, 0, 0]) cylinder(r = R(LinearBearingOuterDiameter + 0.5), h = 60, center = true, $fn = 100);
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}
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//linear motion rod
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translate([0, 0, 5]) cylinder(r = R(ThreadDiameter), h = 40, center = true, $fn = 50);
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//mounting bolts
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translate([70 / 2, 0, 40]) rotate([90, 0, 0]) cylinder(r = R(10), h = 150, center = true, $fn = 40);
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translate([-70 / 2, 0, 40]) rotate([90, 0, 0]) cylinder(r = R(10), h = 150, center = true, $fn = 40);
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}
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}
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rail_end();
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//translate([-35, 0, -25]) linear_extrude(height=175) 2020_profile();
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//translate([RailSpacing / 2, 0, 0]) rotate([90, 0, 0]) linear_extrude(height=175) 2020_profile();
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//translate([ThreadedRodSpacing / 2, 40, 0]) rotate([90, 0, 0]) color("blue") NEMA17();
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//translate([-ThreadedRodSpacing / 2, 40, 0]) rotate([90, 0, 0]) color("blue") NEMA17();
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