Added note regarding OpenScad default parameters, added PCB holder (work in progress)
Carlos Garcia Saura
parent
3b87f452f4
commit
70130c0dfe
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@ -4,6 +4,14 @@
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// License: CC BY-SA 4.0 (Attribution-ShareAlike 4.0 International, http://creativecommons.org/licenses/by-sa/4.0/)
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// Designed with http://www.openscad.org/
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// NOTE: For a proper rendering in OpenScad it is important to change a default setting:
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// Go to: Edit --> Preferences --> Advanced
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// And increase "Turn off rendering at 2000 elements" to a larger number like 20000
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// Increase the resolution of default shapes
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$fa = 5; // Minimum angle for fragments [degrees]
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$fs = 0.5; // Minimum fragment size [mm]
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@ -161,7 +169,7 @@ render_2D_or_3D() {
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// TRANSLATE REFERENCE POSITION to the right frame, X lower smooth rod end
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!translate([axes_Xreference_posX,axes_Xreference_posY,axes_Xreference_height]) {
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translate([axes_Xreference_posX,axes_Xreference_posY,axes_Xreference_height]) {
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if(draw_references) %frame();
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// Draw bottom X smooth rod
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@ -69,7 +69,7 @@ module Cyclone_X_carriage() {
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rotate([0,90,0]) bcube([axes_effective_Xsmooth_separation,armWidth,armThickness], cr=3,cres=10);
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} else {
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if(draw_references) %frame();
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#translate([-0.01+rod_nut_len/2+6,0,0])
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translate([-0.01+rod_nut_len/2+6,0,0])
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hull() {
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rotate([0,0,-90]) hole_for_nut(size=8,nutAddedLen=-1.25,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1);
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translate([2,0,0])
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@ -9,6 +9,8 @@ include <MCAD/nuts_and_bolts.scad>
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workbed_separation_from_Y_threaded_rod = axes_Y_smoothThreaded_verticalSeparation+workbed_separation_from_Y_smooth_rod+axes_Ysmooth_rodD/2;
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PCBholder_height = 10;
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module Cyclone_YsubPart_nutHolder() {
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footThickness = 10;
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screwSeparation = 10;
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@ -71,7 +73,7 @@ module Cyclone_YsubPart_nutHolder() {
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use <libs/linear_bearing.scad>
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module Cyclone_YsubPart_singleLinearBearingHolder() {
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module Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=false) {
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linearBearingModel = "LM8UU";
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linearBearingLength = linearBearing_L(linearBearingModel);
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linearBearingDiameter = linearBearing_D(linearBearingModel);
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@ -89,50 +91,68 @@ module Cyclone_YsubPart_singleLinearBearingHolder() {
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footSeparation = screwSize*2;
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footThickness = 7;
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workbed_screws_aditional_length = 10;
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workbed_screws_aditional_length = PCBholder_height;
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linearBearing_pressureFitTolerance = 0.5;
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difference() {
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// Main part
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union() {
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translate([0,0,dimZ/2])
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bcube([dimX,dimY,dimZ], cr=3, cres=0);
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translate([0,0,dimZ])
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hull() {
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translate([screwSize/2,0,-footThickness/2])
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bcube([dimX+screwSize,dimY,footThickness], cr=3, cres=0);
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translate([dimX/2+footSeparation,0,-footThickness/2])
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cylinder(r=screwSize+3,h=footThickness,center=true);
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}
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translate([0,0,-holderExtension/2])
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bcube([dimX,dimY,holderExtension], cr=3, cres=0);
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}
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// Hole for linear bearing
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linearBearingHole(model=linearBearingModel, lateralExtension=holderExtension, lengthExtension=2*plasticHolderLength, holderLength=plasticHolderLength/2);
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//linearBearingHole(model=linearBearingModel);
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if(onlyScrews) {
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// Hole for the screw and nut
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translate([dimX/2+footSeparation,0,dimZ+workbed_thickness+workbed_screws_aditional_length])
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rotate([90,0,0]) hole_for_screw(size=screwSize,length=workbed_screws_aditional_length+footThickness+workbed_thickness,nutDepth=0,nutAddedLen=0,captiveLen=0);
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} else {
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difference() {
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// Main part
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union() {
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translate([0,0,dimZ/2])
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bcube([dimX,dimY,dimZ], cr=3, cres=0);
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translate([0,0,dimZ])
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hull() {
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translate([screwSize/2,0,-footThickness/2])
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bcube([dimX+screwSize,dimY,footThickness], cr=3, cres=0);
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translate([dimX/2+footSeparation,0,-footThickness/2])
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cylinder(r=screwSize+3,h=footThickness,center=true);
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}
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translate([0,0,-holderExtension/2])
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bcube([dimX,dimY,holderExtension], cr=3, cres=0);
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}
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// Hole for linear bearing
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linearBearingHole(model=linearBearingModel, lateralExtension=holderExtension, lengthExtension=2*plasticHolderLength, holderLength=plasticHolderLength/2);
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//linearBearingHole(model=linearBearingModel);
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// Hole for the screw and nut
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translate([dimX/2+footSeparation,0,dimZ+workbed_thickness+workbed_screws_aditional_length])
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rotate([90,0,0]) hole_for_screw(size=screwSize,length=workbed_screws_aditional_length+footThickness+workbed_thickness,nutDepth=0,nutAddedLen=0,captiveLen=0);
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}
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translate([0,linearBearingLength/2,0])
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rotate([90,0,0]) linearBearing_single(model=linearBearingModel, echoPart=true);
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}
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translate([0,linearBearingLength/2,0])
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rotate([90,0,0]) linearBearing_single(model=linearBearingModel, echoPart=true);
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}
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module Cyclone_YsubPart_linearBearingHolders() {
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module Cyclone_YsubPart_linearBearingHolders(onlyScrews=false) {
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translate([axes_Ysmooth_separation/2,Ycarriage_linearBearingSeparation/2])
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Cyclone_YsubPart_singleLinearBearingHolder();
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Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=onlyScrews);
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translate([axes_Ysmooth_separation/2,-Ycarriage_linearBearingSeparation/2])
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Cyclone_YsubPart_singleLinearBearingHolder();
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Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=onlyScrews);
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scale([-1,1,1]) translate([axes_Ysmooth_separation/2,Ycarriage_linearBearingSeparation/2])
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Cyclone_YsubPart_singleLinearBearingHolder();
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Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=onlyScrews);
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scale([-1,1,1]) translate([axes_Ysmooth_separation/2,-Ycarriage_linearBearingSeparation/2])
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Cyclone_YsubPart_singleLinearBearingHolder();
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Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=onlyScrews);
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}
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module Cyclone_YsubPart_PCBholder() {
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translate([0,0,PCBholder_height/2])
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bcube([workbed_size_X,workbed_size_Y,PCBholder_height], cr=25, cres=10);
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translate([0,0,1.6/2+PCBholder_height])
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color("green") cube([160,100,1.6], center=true);
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}
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module Cyclone_Y_carriage() {
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if(render_DXF_workbed) {
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!if(render_DXF_workbed) {
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offset(delta = DXF_offset) projection(cut = true)
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translate([0,0,-workbed_separation_from_Y_threaded_rod]) {
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Cyclone_YsubPart_nutHolder();
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@ -144,8 +164,14 @@ module Cyclone_Y_carriage() {
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} else {
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if(draw_references) color("red") %frame(20);
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Cyclone_YsubPart_nutHolder();
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translate([0,0,axes_Y_smoothThreaded_verticalSeparation])
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translate([0,0,axes_Y_smoothThreaded_verticalSeparation]) {
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Cyclone_YsubPart_linearBearingHolders();
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difference() {
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translate([0,0,workbed_separation_from_Y_threaded_rod+workbed_thickness-axes_Y_smoothThreaded_verticalSeparation])
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Cyclone_YsubPart_PCBholder();
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#Cyclone_YsubPart_linearBearingHolders(onlyScrews=true);
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}
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}
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color([0.9,0.8,0.8,0.5]) translate([0,0,workbed_separation_from_Y_threaded_rod+workbed_thickness])
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beveledBase(size=[workbed_size_X,workbed_size_Y,workbed_thickness], radius=3, res=15, echoPart=true);
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}
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@ -20,8 +20,7 @@ Work in progress. Pending tasks:
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* PCB holder
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* Fork Marlin firmware and add Cyclone parameters
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* Better plastic-saving holes for the X frames
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* Add the X nut holder to the X carriage
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* Add the Z nut holder to the X carriage
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* Improve the nut holder in the X carriage
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* Re-design the [Z carriage](INHERITED) after testing performance. Integrate vacuum cleaner attachment
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* Re-design the [gears](INHERITED) with smoother edges
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