mirror of
https://github.com/nophead/Mendel90.git
synced 2025-09-03 01:52:44 +02:00
This version used for the kits 1-6 at the GIST FOTM.
Z axis length increased to 200mm. Added the Dibond variant that uses nuts in the parts instead of tapped holes. Added a ducted fan to the X carriage. Added a spool holder and filament dust wiper. Default hot end is now J-Head MK4. Default electronics is now Melzi plus ATX PSU on the mendel and dibond versions. The right hand stay has been moved inwards and base corner radius reduced to allow and ATX PSU to be mounted inboard. Mounting brackets for ATX PSU added. The electronics are now above the PSU. Mains inlet cover added for non ATX PSUs. Dummy load resistors added for ATX PSU. The extruder now has a groove mount for the JHead. Extruder connector increased from 9 way to 15 way to allow an IDC socket. The extruder ribbon cable is now 14 way to allow three wires for the heater. Added an extruder break out PCB. Wade's idler bracket now a bit wider to allow more tolerance on the length of the axle. Extruder motor screws now longer and hex head. The hobbed bolt now has two nuts and a star washer instead of one nut and a spring. Increased the bed ribbon cable to 26 way to make it standard size. Y carriage made a bit smaller. Thermistor added to the bed assembly. Bed cooling fan made an optional extra. Made the Z top limit switch the default. The X idler now has two bearings. Lead nuts now brass. Added metal pulleys as an option. T2.5 belts added as an option. Nut traps added to the Y carrige ribbon clamp. Corner shields and support material added to X motor bracket. Belt length calculations more accurate. Axis limit switch positions and overtravel optimised. Washer sizes tweaked. Ziptie length tweaked. PVC tubing diameter changed.
This commit is contained in:
Chris Palmer
153
scad/vitamins/components.scad
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153
scad/vitamins/components.scad
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//
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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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// Resistor model for hot end
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//
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RWM04106R80J = [ "RES6R8: RWM04106R80J 6R8 3W vitreous enamel resistor", 12, 5, 0.8, 30, 5.5, "green" , false];
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RIE1212UB5C5R6 = [ "RES5R6: UB5C 5R6F 5R6 3W vitreous enamel resistor", 13, 5.9, 0.96, 35, 6.0, "gray" , false];
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Honewell = [ "THRMH104: Honewell 135-104LAC-J01 100K 1% thermistor", 4.75, 1.8, 0.5, 28.6, 2, "red" , false];
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Epcos = [ "RHRME104: Epcos B57560G104F 100K 1% thermistor", 4.6, 2.5, 0.3, 67, 2.5, [0.8, 0.8, 0.8, 0.25], true];
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function resistor_length(type) = type[1];
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function resistor_diameter(type) = type[2];
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function resistor_wire_diameter(type) = type[3];
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function resistor_wire_length(type) = type[4];
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function resistor_hole(type) = type[5];
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function resistor_colour(type) = type[6];
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function resistor_radial(type) = type[7];
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splay_angle = 5; // radial lead splay angle
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module resistor(type, on_bom = true) {
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length = resistor_length(type);
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if(on_bom)
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vitamin(type[0]);
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color(resistor_colour(type))
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render()
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cylinder(r = resistor_diameter(type) / 2, h = length, center = true);
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color([0.7, 0.7, 0.7])
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render()
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if(resistor_radial(type))
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for(side= [-1,1])
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translate([side * resistor_diameter(type) / 6, 0, length / 2])
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rotate([0, splay_angle * side, 0])
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cylinder(r = resistor_wire_diameter(type) / 2, h = resistor_wire_length(type), center = false);
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else
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cylinder(r = resistor_wire_diameter(type) / 2, h = length + 2 * resistor_wire_length(type), center = true);
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}
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module sleeved_resistor(type, sleeving, bare = 10, on_bom = true) {
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resistor(type, on_bom);
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sleeving_length = resistor_wire_length(type) - bare;
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for(side= [-1,1])
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if(resistor_radial(type))
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translate([side * resistor_diameter(type) / 6, 0, 0])
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rotate([0, splay_angle * side, 0])
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translate([0, 0, sleeving_length / 2])
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tubing(sleeving, sleeving_length);
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else
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translate([0, 0, side * (resistor_length(type) + sleeving_length) / 2])
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tubing(sleeving, sleeving_length);
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}
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THS15 = [ "THS15 Aluminium clad resistor", 20, 21, 6, 14.3, 15.9, 2, 2.4, 2.45, 11, 35.6];
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function al_clad_length(type) = type[1];
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function al_clad_width(type) = type[2];
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function al_clad_tab(type) = type[3];
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function al_clad_hpitch(type) = type[4];
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function al_clad_vpitch(type) = type[5];
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function al_clad_thickness(type) = type[6];
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function al_clad_hole(type) = type[7];
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function al_clad_clearance(type) = type[8];
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function al_clad_height(type) = type[9];
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function al_clad_wire_length(type) = type[10];
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module al_clad_resistor_hole_positions(type)
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for(end = [-1,1])
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translate([end * al_clad_hpitch(type) / 2, end * al_clad_vpitch(type) / 2, al_clad_thickness(type)])
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child();
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module al_clad_resistor_holes(type) {
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al_clad_resistor_hole_positions(type)
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cylinder(r = frame_nuts ? screw_clearance_radius(M2p5_pan_screw)
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: screw_pilot_hole(sheet_is_soft(frame) ? No2_screw : M2p5_pan_screw), h = 100, center = true);
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}
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module al_clad_resistor(type, value) {
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vitamin(str("ACR",value,": ",type[0], " ", value));
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length = al_clad_length(type);
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width = al_clad_width(type);
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height = al_clad_height(type);
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tab = al_clad_tab(type);
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thickness = al_clad_thickness(type);
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terminal_h = 4;
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terminal_t = 1;
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terminal_l = 5;
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body = al_clad_vpitch(type) - 2 * al_clad_clearance(type);
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color("silver") render() {
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difference() {
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union() {
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hull() {
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translate([0, 0, al_clad_height(type) / 2])
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intersection() {
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cube([length, body, al_clad_height(type)], center = true);
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translate([0, 0, 0])
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rotate([0, 90, 0])
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cylinder(r = body / 2 - eta, h = length + 1, center = true);
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}
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translate([0, 0, thickness / 2])
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cube([length, body, thickness], center = true);
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}
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for(end = [-1,1]) {
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translate([end * (length - tab) / 2, end * (width - width / 2) / 2, thickness / 2])
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cube([tab, width / 2, thickness], center = true);
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translate([end * (al_clad_wire_length(type) - terminal_l) / 2, 0, height / 2])
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difference() {
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cube([terminal_l, terminal_t, terminal_h], center = true);
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rotate([90, 0, 0])
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cylinder(r = 1, h = 100, center = true);
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}
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}
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translate([0, 0, height / 2])
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rotate([0, 90, 0])
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cylinder(r = 1, h = al_clad_wire_length(type) - 2 * terminal_l + eta, center = true);
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}
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al_clad_resistor_hole_positions(type)
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cylinder(r = al_clad_hole(type) /2, h = 100, center = true);
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}
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}
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color("black") render()
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translate([0, 0, height / 2])
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rotate([0, 90, 0])
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cylinder(r = 3, h = length + eta, center = true);
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}
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module al_clad_resistor_assembly(type, value) {
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al_clad_resistor(type, value);
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al_clad_resistor_hole_positions(type) group() {
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if(sheet_is_soft(frame))
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screw(No2_screw);
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else
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screw(M2p5_pan_screw, 12);
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if(frame_nuts)
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translate([0, 0, -sheet_thickness(frame) - al_clad_thickness(type)])
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rotate([180, 0, 0])
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nut_and_washer(M2p5_nut, true);
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}
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}
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