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https://github.com/maduce/fosscad-repo.git
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259 lines
7.9 KiB
OpenSCAD
259 lines
7.9 KiB
OpenSCAD
// Decapping tray for hose collection V4 3.28.2013
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// with heat shields to control warping
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// fits RCBS Rock Chucker Supreme and replaces the
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// factory piece, an inverted Y with 2 big feet.
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// Spent primer falls in 0.5" ID clear plastic tubing
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// for collection in bottle on floor or below shelf.
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// Right hand version to give minimum
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// interference with handling large cases.
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// Held in place by ring that goes around the ram
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// and rounded lug on left side.
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// Remove shellholder before installing or removal
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// Shorten travel of arm so case is loaded a little
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// above the plastic ring. The lip on left edge
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// holds the adapter to the groove in cast frame.
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// Back centers the device close to ram.
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// Configuration for righthand hose, only.
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// prints on back with support.
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// Clear ramp to hose after printing.
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rotate([0,-90,0])
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translate([5,0,0])
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{
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// draw RHnozzle
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difference() {
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union() {
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translate([10.5,29.5,26.5])
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rotate([-125,0,0])
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cylinder(r1=8.8, r2=6.5, h=25,$fn=40);
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translate([10.5,44.50,16])
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rotate([-125,0,0])
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cylinder(r1=7.8, r2=6.5, h=10,$fn=40);
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}
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translate([10.5,22,31.7])
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rotate([-125,0,0])
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cylinder(r1=5.5, r2=5, h=45,$fn=40);
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}
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// draw basebar
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difference() {
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union() {
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translate([-5,-36,19])
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cube([26.5,71,12]);
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// hook on left side
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translate([-5,-36,0])
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cube([26.5,10.5,19]);
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translate([-5,-30,0])
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cube([19,7.5,7.5]);
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translate([13.8,-35,3.7])
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rotate([-90,0,0])
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cylinder(r=3.7,h=12.5, $fn=20);
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translate([-5,-23.6,3.7])
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rotate([0,90,0])
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cylinder(r=3.7, h=19,$fn=20);
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// straight piece on right side
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translate([-5,25,0])
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cube([26.5,10,19]);
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translate([-5,-5,25])
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cube([5,10,40]);
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}
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translate([-6,-36,-7])
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rotate(a=45, v=[90,0,0])
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cube([30,8,8]);
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translate([-6,-36,25.5])
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rotate(a=45, v=[90,0,0])
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cube([30,8,8]);
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translate([14,20,4])
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rotate([-90,0,0])
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cylinder(r=3,h=24, $fn=20);
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translate([-5,-25.5,13])
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rotate(a=45, [45,0,90])
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cube([50.5,8,8]);
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translate([-6,-19,11.2])
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rotate([5,0,0])
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cube([65,20,8]);
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translate([-6,-1,13])
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rotate([-5,0,0])
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cube([65,20,8]);
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// SCAD feature! have to duplicate the cut
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// drill cylinder to hose fitting
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translate([10.5,0,47])
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rotate([-125,0,0])
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cylinder(r1=6, r2=5,h=55, $fn=40);
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}
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// draw ramring
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difference() {
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union() {
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translate([20,-22,19])
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cube([18,44,12]);
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translate([35,0,19])
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rotate([0,0,0])
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cylinder(r=22,h=12, $fn=40);
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translate([-5,-8.5,25])
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rotate(a=45, v=[90,0,0])
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cube([26.5,8,8]);
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translate([19,-29,19])
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rotate(a=45, v=[0,0,90])
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cube([12,8,12]);
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translate([16,21,19])
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rotate(a=-45, v=[0,0,90])
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cube([12,8,12]);
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}
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translate([35,0,18])
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rotate([0,0,0])
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cylinder(r1=14.2, r2=14.8,h=80, $fn=40);
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translate([57,-20,13])
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rotate([45,0,90])
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cube([44,8,8]);
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// cut the draft clearance again
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translate([-6,-19,11.2])
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rotate([5,0,0])
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cube([65,20,8]);
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translate([-6,-1,13])
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rotate([-5,0,0])
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cube([65,20,8]);
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}
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// draw righthand ramp
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difference()
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{
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translate([-5,-9,26])
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cube([26.5,44,62]);
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// subtract primer catch zone
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translate([2,-4.5,46])
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cube([21.5,10,37]);
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translate([2,3.8,39])
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rotate([45,0,0])
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cube([16,11,12]);
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// cut away excess corner
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union() {
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translate([-6,10,52.5])
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cube([34,30,40]);
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translate([-6,59.3,18])
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rotate([55,0,0])
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cube([34,40,60]);
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}
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// drill cylinder to hose fitting
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translate([10.5,0,47])
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rotate([-125,0,0])
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cylinder(r1=6, r2=5,h=55, $fn=16);
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// relief for ram cylinder at top stroke
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translate([35,0,82.5])
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rotate([0,0,0])
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cylinder(r1=15, r2=15,h=6, $fn=40);
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}
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// add on Heat Shields to reduce warping
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// comment out next 7 lines to omit shields
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// rotate([0,90,0])
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// translate([-77,0.5,-5])
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// heat_shield_end(26,22,26,10,2,1);
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// rotate([90,-90,90]) translate([-3,-37.5,-5])
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// heat_shield_corner(10,20,26,10,2,1,90);
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// rotate([90,0,90]) translate([-38,-1.5,-5])
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// heat_shield_corner(20,20,26,10,2,1,90);
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// end of shields
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}
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// Heat_Shield.scad
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// available module calls:
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// heat_shield_end(x,y,z,skirt,thickness,bridge)
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// heat_shield_corner(x,y,z,skirt,thickness,bridge,angle)
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//
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// No intrinsic rotation. Long side +x direction
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//
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// Check lifting with ABS
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// disposable heat shield for the end of a long bar....
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//
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// goes around long ends
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// to prevent lifting while printing
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// x, y, z are the inside dimensions
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// skirt is the adhesion pad width
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// thickness is the skirt thickness (nominal=1)
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// bridge is the contact thickness connecting the long end
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// Note: if no bridge is desired use bridge=-1
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//
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module heat_shield_end(x,y,z,skirt,thickness,bridge) {
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translate ([0, 0, z/2]) {
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// corner adhesion pads
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color([ 1.0, 0, 0,]) {
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translate ([x/2, y/2+skirt/2, -(z-thickness)/2]) {
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cylinder (h=thickness, r=skirt/2, $fa=2, center = true);}
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translate ([-x/2-skirt/2, y/2+skirt/2, -(z-thickness)/2]) {
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cylinder (h=thickness, r=skirt/2, $fa=2, center = true);}
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translate ([x/2, -y/2-skirt/2, -(z-thickness)/2]) {
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cylinder (h=thickness, r=skirt/2, $fa=2, center = true);}
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translate ([-x/2-skirt/2, -y/2-skirt/2, -(z-thickness)/2]) {
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cylinder (h=thickness, r=skirt/2, $fa=2, center = true);}
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// corner adhesion bars
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translate ([-skirt/4, -y/2-skirt/2, -(z-thickness)/2]) {
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cube(size=[x+skirt/2, skirt, thickness], center=true); }
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translate ([-skirt/4, y/2+skirt/2, -(z-thickness)/2]) {
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cube(size=[x+skirt/2, skirt, thickness], center=true); }
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translate ([-x/2-skirt/2, 0, -(z-thickness)/2]) {
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cube(size=[skirt, y+skirt, thickness], center=true); }
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}
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difference()
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{
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color([ 1, 0, 0,]) { cube(size=[x+1, y+2, z], center=true); }
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translate ([1, 0, bridge+1]) {
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cube(size=[x+1, y, z+2], center=true); }
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}
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}
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}
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// disposable heat shield for a corner or side angle ....
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//
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// goes around long ends
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// to prevent lifting while printing
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// x, y, z are the lenghts of the x, y sections and z height
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// skirt is the adhesion pad width
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// thickness is the skirt thickness (nominal=1)
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// bridge is the contact thickness connecting to the piece
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// angle is the corner angle in degrees
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//
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module heat_shield_corner(x,y,z,skirt,thickness,bridge,angle) {
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//
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color([ 1.0, 0, 0,]) {
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// x bar and pads
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translate ([x/2, -0.5, z/2]) {
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cube(size=[x+2, 1, z], center=true); }
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translate ([x, -skirt/2, thickness/2]) {
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cylinder (h=thickness, r=skirt/2, $fa=2, center = true);}
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translate ([0, -skirt/2, thickness/2]) {
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cylinder (h=thickness, r=skirt/2, $fa=2, center = true);}
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// x skirt
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translate ([x/2, -skirt/2, thickness/2]) {
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cube(size=[x, skirt, thickness], center=true); }
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// x bridge
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translate ([x/2, 3*bridge-1, bridge/2]) {
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cube(size=[x, 6*bridge, bridge], center=true); }
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//
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//
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rotate ([0,0,angle]) {
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// y bar and pads
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translate ([y/2, 0.5, z/2]) {
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cube(size=[y+2, 1, z], center=true); }
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translate ([y, skirt/2, thickness/2]) {
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cylinder (h=thickness, r=skirt/2, $fa=2, center = true);}
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translate ([0, skirt/2, thickness/2]) {
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cylinder (h=thickness, r=skirt/2, $fa=2, center = true);}
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// y skirt
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translate ([y/2, skirt/2, thickness/2]) {
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cube(size=[y, skirt, thickness], center=true); }
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// y bridge
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translate ([y/2, -3*bridge+1, bridge/2]) {
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cube(size=[y, 6*bridge, bridge], center=true); }
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}
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}
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}
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