mirror of
https://github.com/nophead/Mendel90.git
synced 2025-01-16 20:38:15 +01:00
4849e642e2
The X ends now have much stronger bar clamps and the nut traps are moved to the top for less lead screw wobble. X motor bracket now has two screws in the front of the motor and one at the back allowing it to be much smaller. The Z couplings now use neoprene tubing instead of PVC and close completely. The tube end caps are now nut traps to allow the tube to just have a single hole. The rear fixing blocks now have the central screw going the other way so have onyl two nut traps. The extruder springs now have washers to increase the default tension. The spool holder now has the washers on the outside of the spool. The carriage fan bracket has been strengthened. The fan duct now has a hole to cool the top of the hot end. Small printed parts now aggregated onto one build plate. Hole in the Wade's big gear increased slightly. The heat shield is now 5 layers of cardboard instead of foil and an air gap. Bom generation and exploded view mode can now be enabled on the command line. The assembly diagrams for the manual are now built from the command line. Some mods for the Huxley version but still broken. Fixed the long ATX bracket holes ending coincident with the face. Can now have non square print beds. Cap screws now shown silver instead of black as now all BZP. Now shows the motor wire position. % operator no longer used for transparency as OpenScad behaviour has changed. Now includes the Skeinforge and Pronteface configurations on the SD card of priovided in the kit.
87 lines
2.5 KiB
OpenSCAD
87 lines
2.5 KiB
OpenSCAD
//
|
|
// Mendel90
|
|
//
|
|
// GNU GPL v2
|
|
// nop.head@gmail.com
|
|
// hydraraptor.blogspot.com
|
|
//
|
|
// Bodge to stop x_idler slipping
|
|
//
|
|
include <conf/config.scad>
|
|
|
|
shaft_dia = 8;
|
|
|
|
|
|
holeR = M3_clearance_radius;
|
|
nutR = M3_nut_radius;
|
|
nutH = M3_nut_trap_depth;
|
|
wall = 2;
|
|
rad = M3_nut_radius + wall;
|
|
|
|
holeX1 = rad;
|
|
holeY1 = shaft_dia / 2 + M3_clearance_radius;
|
|
|
|
depth = 8;
|
|
centre_line = depth / 2 + 0.5;
|
|
|
|
module x_idler_clamp_stl(){
|
|
stl("x_idler_clamp");
|
|
|
|
translate([0, 0, depth / 2]) union() {
|
|
difference(){
|
|
linear_extrude(height = depth, center = true, convexity = 5) {
|
|
hull() {
|
|
translate([holeX1, holeY1])
|
|
circle(r = rad, center = true);
|
|
translate([holeX1, -holeY1])
|
|
circle(r = rad, center = true);
|
|
}
|
|
}
|
|
|
|
//nut holes
|
|
translate([holeX1, holeY1, nutH/2 - 4.01]) rotate([0,0, 30]) cylinder(h = nutH, r=nutR, $fn=6, center=true);
|
|
|
|
//shaft groves
|
|
translate([holeX1, 0, centre_line]) rotate([0,90,0]) cylinder(h = 2 * rad + 1, r = shaft_dia / 2, center = true);
|
|
|
|
//screw holes
|
|
for(y = [-1, 1])
|
|
translate([holeX1, y * holeY1, -10]) rotate([0,0, y * 360/28]) poly_cylinder(h = 20, r=holeR);
|
|
|
|
//slots to prevent screw holes beading into the shaft holes
|
|
translate([holeX1, 0, centre_line])
|
|
cube([2 * holeR, 2 * holeY1, shaft_dia], center = true);
|
|
}
|
|
// support bridge
|
|
translate([holeX1, holeY1, nutH-3.9]) cylinder(h = 0.4, r=nutR+0.1, $fn=6, center=true);
|
|
}
|
|
}
|
|
|
|
module x_idler_clamp_assembly() {
|
|
|
|
for(side = [-1, 1])
|
|
explode([10 * side, 0, 0])
|
|
translate([centre_line * side, 0, 0])
|
|
rotate([0, 90, 90 * side + 90]) {
|
|
color(z_coupling_color) render() translate([0, 0, -depth/2]) x_idler_clamp_stl();
|
|
for(pos = [[holeX1, -holeY1]])
|
|
translate([pos[0], pos[1], -depth/2])
|
|
rotate([180, 0, 0])
|
|
screw_and_washer(M3_cap_screw, 20);
|
|
|
|
for(pos = [[holeX1, holeY1]])
|
|
translate([pos[0], pos[1], -depth/2 + nutH])
|
|
rotate([180, 0, 90])
|
|
nut(M3_nut, true);
|
|
|
|
}
|
|
}
|
|
|
|
if(0) {
|
|
x_idler_clamp_stl();
|
|
translate([- 2 * rad - 2, 0, 0])
|
|
x_idler_clamp_stl();
|
|
}
|
|
else
|
|
x_idler_clamp_assembly();
|