mirror of
https://github.com/nophead/Mendel90.git
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ad21323ec6
Tweaks to the huxley extruder. Now shows hot end filament diameter on the BOM. Moved huxley spool holder back to give more room for lighting. Updated README.md. Added huxley to command line usage messages.
120 lines
3.9 KiB
OpenSCAD
120 lines
3.9 KiB
OpenSCAD
//
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// Mendel90
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//
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// GNU GPL v2
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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// X carriage, carries the extruder
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//
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include <x-carriage.scad>
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module x_carriage_assembly(show_extruder = true, show_fan = true) {
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if(show_extruder) {
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rotate([0, 180, 0])
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extruder_assembly();
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for(end = [-1, 1])
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translate([extruder_mount_pitch / 2 * end, 0, nut_trap_thickness])
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if(end < 0 && hot_end_invert_screw(hot_end))
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translate([0, 0, - screw_head_height(M4_hex_screw)])
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screw(M4_hex_screw, 20);
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else
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rotate([0, 0, 45])
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wingnut(M4_wingnut);
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}
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//
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// Fan assembly
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//
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if(show_fan)
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translate([0, 0, -hot_end_bodge(hot_end)])
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x_carriage_fan_assembly();
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assembly("x_carriage_assembly");
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color(x_carriage_color) render() x_carriage_stl();
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//
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// Fan bracket screws
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//
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for(side = [-1, 1])
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translate([fan_x + side * front_nut_pitch, -width / 2 - fan_bracket_thickness, front_nut_z]) {
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rotate([90, 0, 0])
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screw_and_washer(M3_cap_screw, 16);
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translate([0, fan_bracket_thickness + wall, 0])
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rotate([-90, 0, 0])
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nut(M3_nut, true);
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}
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//
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// Bearings
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//
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for(end = [-1, 0, 1])
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translate([base_offset + bar_x * end, end ? -bar_y : bar_y, bar_offset]) {
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linear_bearing(X_bearings);
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translate([end * (zip_x - bar_x), 0, 0])
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rotate([0, -90, end ? 180 : 0])
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scale([bearing_radius(X_bearings) / bearing_ziptie_radius(X_bearings), 1])
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ziptie(small_ziptie, bearing_ziptie_radius(X_bearings));
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}
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//
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// Idler end belt clamp
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//
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translate([length / 2 + base_offset, -width / 2, x_carriage_offset() - ball_bearing_diameter(X_idler_bearing) / 2]) {
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mirror([1,0,0])
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color(x_belt_clamp_color) render() x_belt_clamp_stl();
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translate([-lug_width / 2, lug_screw, clamp_thickness])
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nut(M3_nut, true);
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}
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translate([length / 2 + base_offset - lug_width / 2, -width / 2 + lug_screw, 0])
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rotate([180, 0, 0])
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screw_and_washer(M3_cap_screw, 20);
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//
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// Motor end belt clamp
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//
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translate([-length / 2 + base_offset, -width / 2, x_carriage_offset() - pulley_inner_radius])
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translate([lug_width / 2, lug_screw, clamp_thickness])
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nut(M3_nut, true);
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translate([-length / 2 + base_offset, -width / 2, -(clamp_thickness + belt_thickness(X_belt))]) {
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color(x_belt_clamp_color) render() x_belt_grip_stl();
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translate([lug_width / 2, lug_screw, 0])
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rotate([180, 0, 0])
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screw_and_washer(M3_cap_screw, 25);
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}
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translate([-length / 2 + base_offset - tension_screw_pos, -width / 2 + slot_y, (x_carriage_offset() - pulley_inner_radius - belt_thickness(X_belt)) /2]) {
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rotate([0, -90, 0])
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screw(M3_cap_screw, tension_screw_length); // tensioning screw
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translate([tension_screw_length + wall, belt_tensioner_height / 2, 0])
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rotate([90, 180, 0])
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color(x_belt_clamp_color) render() x_belt_tensioner_stl();
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translate([tension_screw_length + wall, 0, 0])
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rotate([90, 180, 0])
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belt_loop();
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}
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translate([-length / 2 + base_offset + lug_width - M3_nut_trap_depth, -width / 2 + slot_y, (x_carriage_offset() - pulley_inner_radius - belt_thickness(X_belt)) /2])
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rotate([90, 0, 90])
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nut(M3_nut, false); // tensioning nut
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end("x_carriage_assembly");
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}
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if(0)
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if(0) {
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intersection() {
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x_carriage_fan_duct_stl();
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*translate([0, 0, -10])
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cube(200);
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}
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}
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else
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if(0)
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x_carriage_fan_ducts_stl();
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else
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x_carriage_parts_stl();
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else
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x_carriage_assembly(true, true);
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