Work on the XZ carriages
Carlos Garcia
parent
48117ba49d
commit
076cc80e15
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@ -42,7 +42,7 @@ axes_Zthreaded_rodLen = axes_Zsmooth_rodLen-20;
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axes_Xsmooth_rodD = 8.5+animatePart(4,dist=5);
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axes_Ysmooth_rodD = 8.5+animatePart(4,dist=5);
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axes_Zsmooth_rodD = 8.5+animatePart(4,dist=5);
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axes_Zsmooth_rodD = 8.3+animatePart(4,dist=5);
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axes_Xthreaded_rodD = 8.5+animatePart(4,dist=5);
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axes_Ythreaded_rodD = 8.5+animatePart(4,dist=5);
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@ -180,9 +180,6 @@ render_2D_or_3D() {
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Cyclone_X_carriage();
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rotate([0,90,0]) linearBearing_single(model=linearBearingModel, echoPart=true);
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rotate([0,-90,0]) linearBearing_single(model=linearBearingModel, echoPart=true);
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// TRANSLATE REFERENCE POSITION to the Z axis origin (right smooth rod)
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translate([-axes_Zsmooth_separation/2,axes_Zreference_posY,axes_Zreference_height]) {
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if(draw_references) %frame();
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@ -10,6 +10,9 @@ module Cyclone_X_carriage() {
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linearBearingLength = linearBearing_L(linearBearingModel);
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linearBearingDiameter = linearBearing_D(linearBearingModel);
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// Correction is needed to account for 3D printer tolerances
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axes_effective_Xsmooth_separation = axes_Xsmooth_separation-1;
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linearBearingSeparation = 0;
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sideExtensions = linearBearingDiameter/3;
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@ -20,6 +23,8 @@ module Cyclone_X_carriage() {
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dimX = 2*linearBearingLength+linearBearingLengthExtension;
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echo(str(axes_Xsmooth_separation-2*axes_ZthreadedReference_posY, "######################################################"));
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difference() {
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// color("lightblue") translate([-(axes_Zsmooth_separation+10)/2,-5,-5])
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// cube([axes_Zsmooth_separation+10,axes_Xsmooth_separation+10,axes_Zreference_height+5]);
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@ -28,13 +33,13 @@ module Cyclone_X_carriage() {
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hull() {
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rotate([0,90,0])
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bcube([linearBearingDiameter,linearBearingDiameter+sideExtensions, dimX], cr=3, cres=5);// cylinder(r=linearBearingDiameter/2, h=dimX, center=true);
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translate([0,axes_Xsmooth_separation,axes_Xsmooth_separation])
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translate([0,axes_effective_Xsmooth_separation,axes_effective_Xsmooth_separation])
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rotate([0,90,0])
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bcube([linearBearingDiameter+sideExtensions,linearBearingDiameter, dimX], cr=3, cres=5);// cylinder(r=linearBearingDiameter/2, h=dimX, center=true);
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}
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translate([-dimX/2-0.5,0,-sideExtensions+ZrodHolderLength])
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cube([dimX+1,axes_Xsmooth_separation-axes_ZthreadedReference_posY,axes_Xsmooth_separation]);
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cube([dimX+1,axes_effective_Xsmooth_separation-axes_ZthreadedReference_posY,axes_effective_Xsmooth_separation]);
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// ----- Holes for the linear bearings ------
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// Bottom right linear bearing
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@ -44,7 +49,7 @@ module Cyclone_X_carriage() {
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translate([linearBearingLength/2+linearBearingSeparation/2,0,0])
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rotate([0,0,90]) linearBearingHole(model=linearBearingModel, lateralExtension=sideExtensions*2, lengthExtension=linearBearingLengthExtension);
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// Top linear bearing
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translate([0,axes_Xsmooth_separation,axes_Xsmooth_separation])
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translate([0,axes_effective_Xsmooth_separation,axes_effective_Xsmooth_separation])
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rotate([90,0,0]) rotate([0,0,90]) linearBearingHole(model=linearBearingModel, lateralExtension=sideExtensions*2, lengthExtension=linearBearingLength+linearBearingLengthExtension+linearBearingSeparation);
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// ----- Holes for the rods ------
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@ -62,5 +67,11 @@ module Cyclone_X_carriage() {
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rotate([90,0,0]) standard_rod(diam=1.5*axes_Zthreaded_rodD, length=axes_Zthreaded_rodLen, threaded=true, renderPart=true);
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}
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}
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// Draw linear bearings
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rotate([0,90,0]) linearBearing_single(model=linearBearingModel, echoPart=true);
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rotate([0,-90,0]) linearBearing_single(model=linearBearingModel, echoPart=true);
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translate([linearBearingLength/2,axes_effective_Xsmooth_separation,axes_effective_Xsmooth_separation])
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rotate([0,-90,0]) linearBearing_single(model=linearBearingModel, echoPart=true);
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}
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@ -0,0 +1,381 @@
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// Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture
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// Created by Carlosgs (http://carlosgs.es)
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// License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/)
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/*
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* August 2013 changes to design top-part mounting screw at same side as bottom-part.
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* also started introduced 2nd spindle diameter for a-symmetrical spindles. this is not working yet.
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* by Harry Binnema.
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*/
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include <MCAD/stepper.scad>
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include <MCAD/bearing.scad>
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include <MCAD/metric_fastners.scad>
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include <MCAD/nuts_and_bolts.scad>
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include <MCAD/materials.scad>
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use <../libs/obiscad/bcube.scad>
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use <../libs/build_plate.scad>
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use <../libs/Write/Write.scad>
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use <../libs/linear_bearing.scad>
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use <../libs/rod.scad>
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use <motor_gear.scad>
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use <rod_gear.scad>
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spindle_motor_diam_top = 51;
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spindle_motor_diam_top_smaller = 47;
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spindle_motor_diam = 47;
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spindle_holder_thickness = 8;
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spindle_holder_distance = linearBearing_L("LM8UU")*2+3;
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spindle_motor_length = 90;
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bottom_thickness = 4;
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base_width = 20;
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base_length = 25;
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base_screw_diameter = 5;
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motor_width = 43;
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motor_length = 49; // not used
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motor_screw_distance = 31.3;
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motor_center_diameter = 23;
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motor_adjust_margin = 3;
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motor_screw_diameter = 3.7;
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motor_screw_head_diameter = 8;
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bearing_diameter = 22.4;
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M8_rod_diameter = 8.2;
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axis_distance = 21;
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wall_thickness = 9;
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wall_height = motor_width;
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wall_width = 54;
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idler_width = 25;
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lbearing_holder_length = 23*2;
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axes_Xsmooth_separation = 16;
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Z_threaded_pos = motor_width/2+axis_distance+axes_Xsmooth_separation;
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spindle_front_offset = 10;
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Z_smooth_rods_sep = 40;
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textHscale = 0.8;
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textThickness = 1;
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LM8UU_dia = 15.4;
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Cyclone_Nema17 = [
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[NemaModel, 17],
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[NemaLengthShort, 33*mm],
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[NemaLengthMedium, 39*mm],
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[NemaLengthLong, 48*mm],
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[NemaSideSize, 42.30*mm],
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[NemaDistanceBetweenMountingHoles, 31.0*mm],
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[NemaMountingHoleDiameter, 4*mm],
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[NemaMountingHoleDepth, 5.5*mm], //actual is 4.5mm, motor() module is generating 1mm short
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[NemaMountingHoleLip, -1*mm],
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[NemaMountingHoleCutoutRadius, 0*mm],
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[NemaEdgeRoundingRadius, 7*mm],
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[NemaRoundExtrusionDiameter, 22*mm],
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[NemaRoundExtrusionHeight, 1.9*mm],
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[NemaAxleDiameter, 5*mm],
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[NemaFrontAxleLength, 24*mm],
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[NemaBackAxleLength, 15*mm],
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[NemaAxleFlatDepth, 0.5*mm],
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[NemaAxleFlatLengthFront, 15*mm],
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[NemaAxleFlatLengthBack, 14*mm]
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];
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module dummySpindle(length=0) {
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translate([0,0,-length]) {
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translate([0,0,spindle_motor_length-5]) color([0.95,0.95,0.95]) cylinder(r=26,h=30,$fn=60);
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translate([0,0,spindle_motor_length-10]) color([0.95,0.95,0.95]) cylinder(r=10/2,h=5,$fn=60);
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translate([0,0,-10]) color([0.6,0.6,0.6]) cylinder(r=26,h=spindle_motor_length,$fn=60);
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translate([0,0,-40]) color([0.9,0.9,0.9]) cylinder(r=15/2,h=40,$fn=60);
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translate([0,0,-50]) color([0.4,0.4,0.4]) cylinder(r=20/2,h=10,$fn=60);
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translate([0,0,-50-20]) color([0.9,0.9,0.9]) cylinder(r1=1/2,r2=3/2,h=20,$fn=60);
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}
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}
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// Derived from Spindle mount for ShapeOko by Misan (http://www.thingiverse.com/thing:26740)
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module spindle_holder_holes(length,spindiam, basediam,top_part) {
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$fn=6;
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translate([20,8,-0.05]) cylinder(r=basediam/2,h=length+2,$fn=60);
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translate([-20,8,-0.05]) cylinder(r=basediam/2,h=length+2,$fn=60);
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translate([0,spindle_front_offset,0])
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if (top_part){
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translate([0,38,0]) rotate([0,0,0]) {
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translate([0,0,-0.05]) resize([spindle_motor_diam_top, spindle_motor_diam_top_smaller, length+2]) cylinder(r=spindle_motor_diam_top/2,h=length+2,$fn=60);
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translate([0,-3,-0.01]) cube([90,3,length+2]);
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translate ([spindiam/2+15,15,length/2]) rotate([90,0,0]) cylinder(r=2,h=30);
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translate ([spindiam/2+15,-10.5,length/2]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
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}
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}
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else
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{
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translate([0,38,0]) rotate([0,0,180]) {
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translate([0,0,-0.05]) cylinder(r=spindle_motor_diam/2,h=length+2,$fn=60);
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translate([0,0,-0.01]) cube([90,3,length+2]);
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translate ([spindiam/2+15,20,length/2]) rotate([90,0,0]) cylinder(r=2,h=30);
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translate ([spindiam/2+15,15,length/2]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
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}
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}
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}
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module motorHolesZ() {
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// Hole for the motor shaft
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hull() {
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translate([0,motor_adjust_margin/2,0])
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cylinder(r=motor_center_diameter/2,h=10*wall_thickness,center=true,$fn=40);
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translate([0,-motor_adjust_margin/2,0])
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cylinder(r=motor_center_diameter/2,h=10*wall_thickness,center=true,$fn=40);
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}
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// Hole for the screwdriver
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translate([0,-wall_width/2,wall_thickness/2]) rotate([0,90,90]) bcube([2*(wall_thickness-5),5,wall_height],cr=1);
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// Screws for holding the motor
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for(i=[-1,1]) for(j=[-1,1])
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translate([i*motor_screw_distance/2,j*motor_screw_distance/2,2.5-wall_thickness/2]) {
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hull() {
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translate([0,motor_adjust_margin/2,0])
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cylinder(r=motor_screw_diameter/2,h=10*wall_thickness,center=true,$fn=40);
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translate([0,-motor_adjust_margin/2,0])
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cylinder(r=motor_screw_diameter/2,h=10*wall_thickness,center=true,$fn=40);
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}
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hull() {
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translate([0,motor_adjust_margin/2,0])
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cylinder(r=motor_screw_head_diameter/2,h=10*wall_thickness,center=false,$fn=40);
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translate([0,-motor_adjust_margin/2,0])
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cylinder(r=motor_screw_head_diameter/2,h=10*wall_thickness,center=false,$fn=40);
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}
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}
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}
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module motor_stand_holes_Z() {
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//difference() {
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// translate([wall_height/2,wall_width/2,wall_thickness/2])
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// bcube([wall_height,wall_width,wall_thickness],cr=4,cres=10);
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// Position relative to motor shaft
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translate([motor_width/2,motor_width/2,wall_thickness/2]) {
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motorHolesZ();
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// Bearing holes
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rotate([0,0,0]) translate([0,axis_distance,0]) {
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hull() {
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cylinder(r=(M8_rod_diameter*2)/2,h=10*wall_thickness,center=true,$fn=40);
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translate([0,-axis_distance,0])
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cylinder(r=(M8_rod_diameter*2)/2,h=10*wall_thickness,center=true,$fn=40);
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}
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cylinder(r=bearing_diameter/2,h=10*wall_thickness,center=false,$fn=60);
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}
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} // End of translate relative to motor shaft
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//} // End of difference
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}
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module linearBearingHolderZ(h=10) {
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translate([0,0,1.5]) cylinder(r=LM8UU_dia/2,h=h,$fn=50);
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cylinder(r=LM8UU_dia/2.5,h=10*h,center=true,$fn=50);
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}
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module Z_solid_body(top_part=true) {
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hull() {
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if(top_part)
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translate([wall_height/2,wall_width/2,wall_thickness/2])
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bcube([wall_height,wall_width,wall_thickness],cr=4,cres=10);
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else
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translate([wall_height/2,wall_width,wall_thickness/2])
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bcube([wall_height,wall_width/2,wall_thickness],cr=4,cres=10);
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translate([0,spindle_front_offset,0])
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translate([wall_height/2,wall_width-4,0])
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translate([0,38,0])
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if(top_part)
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cylinder(r=spindle_motor_diam_top/2+spindle_holder_thickness,h=wall_thickness,$fn=60);
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else
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cylinder(r=spindle_motor_diam/2+spindle_holder_thickness,h=wall_thickness,$fn=60);
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}
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// For the linear bearing holders
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hull() {
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translate([wall_height/2-Z_smooth_rods_sep/2,Z_threaded_pos,0])
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cylinder(r=3+LM8UU_dia/2,h=wall_thickness,$fn=50);
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translate([wall_height/2+Z_smooth_rods_sep/2,Z_threaded_pos,0])
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cylinder(r=3+LM8UU_dia/2,h=wall_thickness,$fn=50);
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}
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// For the claw of the spindle holder
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translate([0,spindle_front_offset,0])
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if(top_part){
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translate([wall_height/2,wall_width-4,0])
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translate([0,38,0]) {
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rotate([0,0,0]) {
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translate([spindle_motor_diam_top/2,-12.5,0]) cube([25,20,wall_thickness]);
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// Write text in the front
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color([0.5,0.5,0.5])
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rotate([0,0,180]) scale([-1,1,-textHscale])
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writecylinder("CYCLONE",[0,0,-wall_thickness/(2*textHscale)],spindle_motor_diam_top/2+spindle_holder_thickness,0,font="orbitron.dxf",space=1.1,h=wall_thickness,t=textThickness,center=true,ccw=true);
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}
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}
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}
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else
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translate([wall_height/2,wall_width-4,0])
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translate([0,38,0]) {
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rotate([0,0,180]) {
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translate([spindle_motor_diam/2,-7,0]) cube([25,20,wall_thickness]);
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color([0.2,0.2,0.5])
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scale([1,1,textHscale])
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writecylinder("PCB Factory",[0,0,wall_thickness/(2*textHscale)+1],spindle_motor_diam/2+spindle_holder_thickness,0,font="orbitron.dxf",space=1.1,h=wall_thickness-2,t=textThickness,center=true,ccw=true);
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}
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}
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}
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//for display only, doesn't contribute to final object
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//build_plate(3,200,200);
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module Z_carriage(showSpindle=false,top_part=true, with_extra_parts=false, exploded=false) {
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difference() {
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rotate([0,0,-90]) translate([-wall_height/2,-Z_threaded_pos,0]) {
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difference () {
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Z_solid_body(top_part);
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if(top_part) motor_stand_holes_Z();
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translate([wall_height/2,wall_width-4,0])
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spindle_holder_holes(wall_thickness,spindle_motor_diam,base_screw_diameter,top_part);
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translate([wall_height/2-Z_smooth_rods_sep/2,Z_threaded_pos,0])
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linearBearingHolderZ(wall_thickness);
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translate([wall_height/2+Z_smooth_rods_sep/2,Z_threaded_pos,0])
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linearBearingHolderZ(wall_thickness);
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}
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}
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// Hole for the threaded rod
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if(!top_part) {
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translate([-axes_Xsmooth_separation,0,0]) hull() {
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cylinder(r=2+M8_rod_diameter/2,h=wall_thickness*10,center=true,$fn=30);
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translate([-15,0,0])
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cylinder(r=2+M8_rod_diameter/2,h=wall_thickness*10,center=true,$fn=30);
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}
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}
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// Truncation in the base for avoiding collision with the X axis
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if(!top_part) translate([-15-axes_Xsmooth_separation+11,0,0]) cube([20,100,50],center=true);
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}
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*if(showSpindle) rotate([0,0,-90]) translate([0,wall_width-4-Z_threaded_pos,0])
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translate([0,38,-20+8]) dummySpindle();
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if(with_extra_parts) {
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Z_carriage_extras(top_part=top_part, exploded_distance=exploded?27:0);
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}
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}
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module Z_carriage_extras(top_part=true, exploded_distance=0) {
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if(top_part) {
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echo("Non-Plastic Parts, 1, Nema 17 for Z axis");
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translate([-motor_width/2,0,1-exploded_distance])
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rotate([0,180,0])
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motor(Cyclone_Nema17, NemaLengthLong);
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echo("Non-Plastic Parts, 4, Bolt M3 x 6 mm for Z motor");
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for(i=[-1,1]) for(j=[-1,1])
|
||||
translate([-motor_width/2,0,0])
|
||||
translate([i*motor_screw_distance/2,j*motor_screw_distance/2,2.5+exploded_distance*0.7]) {
|
||||
rotate([0,180,0]) color(Steel) boltHole(size=3, length=6);
|
||||
}
|
||||
|
||||
translate([-motor_width/2,0,7+5+wall_thickness/2+2.9])
|
||||
rotate([0,0,-90])
|
||||
cyclone_motor_z_gear(with_extra_parts=true, exploded=(exploded_distance!=0));
|
||||
|
||||
echo("Non-Plastic Parts, 1, Bearing 608 for Z motor");
|
||||
translate([0,0,wall_thickness/2])
|
||||
bearing(model=608);
|
||||
|
||||
translate([0,0,3/2+0.8*8+wall_thickness/2+7+exploded_distance/2])
|
||||
rotate([180,0,11])
|
||||
cyclone_rod_z_gear(with_extra_parts=true, exploded=(exploded_distance!=0));
|
||||
|
||||
echo("Non-Plastic Parts, 2, Bolt M5 x 55 mm to attach Z_carriage top and bottom");
|
||||
rotate([0,0,-90]) translate([-wall_height/2,-Z_threaded_pos,0])
|
||||
translate([wall_height/2,wall_width-4,0]) color(Steel) {
|
||||
translate([20,8,-0.05-2.5*exploded_distance])
|
||||
boltHole(size=5, length=55);
|
||||
translate([-20,8,-0.05-2.5*exploded_distance])
|
||||
boltHole(size=5, length=55);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
echo("Non-Plastic Parts, 1, Spindle");
|
||||
|
||||
echo("Non-Plastic Parts, 2, Nut M5 to attach Z_carriage top and bottom");
|
||||
rotate([0,0,-90]) translate([-wall_height/2,-Z_threaded_pos,0])
|
||||
translate([wall_height/2,wall_width-4,0]) color(Steel) {
|
||||
translate([20,8,-0.8*5-0.5*exploded_distance])
|
||||
flat_nut(5);
|
||||
translate([-20,8,-0.8*5-0.5*exploded_distance])
|
||||
flat_nut(5);
|
||||
}
|
||||
}
|
||||
|
||||
if(top_part)
|
||||
echo("Non-Plastic Parts, 2, Linear Bearing LM8UU for Z_carriage top part");
|
||||
else
|
||||
echo("Non-Plastic Parts, 2, Linear Bearing LM8UU for Z_carriage bottom part");
|
||||
rotate([0,0,-90])
|
||||
translate([-wall_height/2,-Z_threaded_pos,0]) {
|
||||
translate([wall_height/2-Z_smooth_rods_sep/2,Z_threaded_pos,0])
|
||||
translate([0,0,1.5-exploded_distance])
|
||||
linearBearing(model="LM8UU");
|
||||
translate([wall_height/2+Z_smooth_rods_sep/2,Z_threaded_pos,0])
|
||||
translate([0,0,1.5-exploded_distance])
|
||||
linearBearing(model="LM8UU");
|
||||
}
|
||||
|
||||
if(top_part) {
|
||||
echo("Non-Plastic Parts, 1, Bolt M3 x 20 mm for Z_carriage part");
|
||||
echo("Non-Plastic Parts, 1, Nut M3 for Z_carriage top part");
|
||||
}
|
||||
else {
|
||||
echo("Non-Plastic Parts, 1, Bolt M3 x 20 mm for Z_carriage bottom part");
|
||||
echo("Non-Plastic Parts, 1, Nut M3 for Z_carriage bottom part");
|
||||
}
|
||||
rotate([0,top_part ? 0:180,-90]) translate([-wall_height/2,0,0])
|
||||
translate([wall_height/2,wall_width+(top_part?-1:-1.5),0]) {
|
||||
translate ([spindle_motor_diam/2+15,exploded_distance,top_part ? wall_thickness/2:-wall_thickness/2]) rotate([90,0,0])
|
||||
color(Steel) boltHole(size=3, length=20);
|
||||
translate ([spindle_motor_diam/2+15,-20.4-0.5*exploded_distance,top_part ? wall_thickness/2:-wall_thickness/2]) rotate([90,0,180])
|
||||
color(Steel) flat_nut(3);
|
||||
}
|
||||
}
|
||||
|
||||
module Z_carriage_assembled(z_thread_rod_length=120, with_extra_parts=false, exploded=false) {
|
||||
Z_carriage(showSpindle=true,top_part=false,with_extra_parts=with_extra_parts, exploded=exploded);
|
||||
translate([0,0,spindle_holder_distance]) rotate([180,0,0]) Z_carriage(showSpindle=false,top_part=true,
|
||||
with_extra_parts=with_extra_parts, exploded=exploded);
|
||||
|
||||
if(z_thread_rod_length)
|
||||
translate([-axes_Xsmooth_separation,0,-z_thread_rod_length/2+spindle_holder_distance]) rotate([90,0,0])
|
||||
%rod(len=z_thread_rod_length, threaded=true);
|
||||
}
|
||||
|
||||
|
||||
Z_carriage_assembled();
|
||||
|
||||
|
||||
|
||||
|
|
@ -82,10 +82,10 @@ module linearBearing(pos=[0,0,0], angle=[0,0,0], model=LinearBearing,
|
|||
color(material) {
|
||||
translate(pos)
|
||||
difference() {
|
||||
cylinder(r=od/2, h=h, $fn = 100);
|
||||
cylinder(r=od/2, h=h);
|
||||
color(holeMaterial)
|
||||
translate([0,0,-10*epsilon])
|
||||
cylinder(r=id/2, h=h+20*epsilon, $fn = 100);
|
||||
cylinder(r=id/2, h=h+20*epsilon);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue