Added note regarding OpenScad default parameters, added PCB holder (work in progress)

pull/20/head
Carlos Garcia Saura 2014-08-06 00:18:51 +02:00
parent 3b87f452f4
commit 70130c0dfe
4 changed files with 67 additions and 34 deletions

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@ -4,6 +4,14 @@
// License: CC BY-SA 4.0 (Attribution-ShareAlike 4.0 International, http://creativecommons.org/licenses/by-sa/4.0/)
// Designed with http://www.openscad.org/
// NOTE: For a proper rendering in OpenScad it is important to change a default setting:
// Go to: Edit --> Preferences --> Advanced
// And increase "Turn off rendering at 2000 elements" to a larger number like 20000
// Increase the resolution of default shapes
$fa = 5; // Minimum angle for fragments [degrees]
$fs = 0.5; // Minimum fragment size [mm]
@ -161,7 +169,7 @@ render_2D_or_3D() {
// TRANSLATE REFERENCE POSITION to the right frame, X lower smooth rod end
!translate([axes_Xreference_posX,axes_Xreference_posY,axes_Xreference_height]) {
translate([axes_Xreference_posX,axes_Xreference_posY,axes_Xreference_height]) {
if(draw_references) %frame();
// Draw bottom X smooth rod

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@ -69,7 +69,7 @@ module Cyclone_X_carriage() {
rotate([0,90,0]) bcube([axes_effective_Xsmooth_separation,armWidth,armThickness], cr=3,cres=10);
} else {
if(draw_references) %frame();
#translate([-0.01+rod_nut_len/2+6,0,0])
translate([-0.01+rod_nut_len/2+6,0,0])
hull() {
rotate([0,0,-90]) hole_for_nut(size=8,nutAddedLen=-1.25,captiveLen=axes_Xthreaded_rodD*3,rot=90,tolerance=0.1);
translate([2,0,0])

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@ -9,6 +9,8 @@ include <MCAD/nuts_and_bolts.scad>
workbed_separation_from_Y_threaded_rod = axes_Y_smoothThreaded_verticalSeparation+workbed_separation_from_Y_smooth_rod+axes_Ysmooth_rodD/2;
PCBholder_height = 10;
module Cyclone_YsubPart_nutHolder() {
footThickness = 10;
screwSeparation = 10;
@ -71,7 +73,7 @@ module Cyclone_YsubPart_nutHolder() {
use <libs/linear_bearing.scad>
module Cyclone_YsubPart_singleLinearBearingHolder() {
module Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=false) {
linearBearingModel = "LM8UU";
linearBearingLength = linearBearing_L(linearBearingModel);
linearBearingDiameter = linearBearing_D(linearBearingModel);
@ -89,50 +91,68 @@ module Cyclone_YsubPart_singleLinearBearingHolder() {
footSeparation = screwSize*2;
footThickness = 7;
workbed_screws_aditional_length = 10;
workbed_screws_aditional_length = PCBholder_height;
linearBearing_pressureFitTolerance = 0.5;
difference() {
// Main part
union() {
translate([0,0,dimZ/2])
bcube([dimX,dimY,dimZ], cr=3, cres=0);
translate([0,0,dimZ])
hull() {
translate([screwSize/2,0,-footThickness/2])
bcube([dimX+screwSize,dimY,footThickness], cr=3, cres=0);
translate([dimX/2+footSeparation,0,-footThickness/2])
cylinder(r=screwSize+3,h=footThickness,center=true);
}
translate([0,0,-holderExtension/2])
bcube([dimX,dimY,holderExtension], cr=3, cres=0);
}
// Hole for linear bearing
linearBearingHole(model=linearBearingModel, lateralExtension=holderExtension, lengthExtension=2*plasticHolderLength, holderLength=plasticHolderLength/2);
//linearBearingHole(model=linearBearingModel);
if(onlyScrews) {
// Hole for the screw and nut
translate([dimX/2+footSeparation,0,dimZ+workbed_thickness+workbed_screws_aditional_length])
rotate([90,0,0]) hole_for_screw(size=screwSize,length=workbed_screws_aditional_length+footThickness+workbed_thickness,nutDepth=0,nutAddedLen=0,captiveLen=0);
} else {
difference() {
// Main part
union() {
translate([0,0,dimZ/2])
bcube([dimX,dimY,dimZ], cr=3, cres=0);
translate([0,0,dimZ])
hull() {
translate([screwSize/2,0,-footThickness/2])
bcube([dimX+screwSize,dimY,footThickness], cr=3, cres=0);
translate([dimX/2+footSeparation,0,-footThickness/2])
cylinder(r=screwSize+3,h=footThickness,center=true);
}
translate([0,0,-holderExtension/2])
bcube([dimX,dimY,holderExtension], cr=3, cres=0);
}
// Hole for linear bearing
linearBearingHole(model=linearBearingModel, lateralExtension=holderExtension, lengthExtension=2*plasticHolderLength, holderLength=plasticHolderLength/2);
//linearBearingHole(model=linearBearingModel);
// Hole for the screw and nut
translate([dimX/2+footSeparation,0,dimZ+workbed_thickness+workbed_screws_aditional_length])
rotate([90,0,0]) hole_for_screw(size=screwSize,length=workbed_screws_aditional_length+footThickness+workbed_thickness,nutDepth=0,nutAddedLen=0,captiveLen=0);
}
translate([0,linearBearingLength/2,0])
rotate([90,0,0]) linearBearing_single(model=linearBearingModel, echoPart=true);
}
translate([0,linearBearingLength/2,0])
rotate([90,0,0]) linearBearing_single(model=linearBearingModel, echoPart=true);
}
module Cyclone_YsubPart_linearBearingHolders() {
module Cyclone_YsubPart_linearBearingHolders(onlyScrews=false) {
translate([axes_Ysmooth_separation/2,Ycarriage_linearBearingSeparation/2])
Cyclone_YsubPart_singleLinearBearingHolder();
Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=onlyScrews);
translate([axes_Ysmooth_separation/2,-Ycarriage_linearBearingSeparation/2])
Cyclone_YsubPart_singleLinearBearingHolder();
Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=onlyScrews);
scale([-1,1,1]) translate([axes_Ysmooth_separation/2,Ycarriage_linearBearingSeparation/2])
Cyclone_YsubPart_singleLinearBearingHolder();
Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=onlyScrews);
scale([-1,1,1]) translate([axes_Ysmooth_separation/2,-Ycarriage_linearBearingSeparation/2])
Cyclone_YsubPart_singleLinearBearingHolder();
Cyclone_YsubPart_singleLinearBearingHolder(onlyScrews=onlyScrews);
}
module Cyclone_YsubPart_PCBholder() {
translate([0,0,PCBholder_height/2])
bcube([workbed_size_X,workbed_size_Y,PCBholder_height], cr=25, cres=10);
translate([0,0,1.6/2+PCBholder_height])
color("green") cube([160,100,1.6], center=true);
}
module Cyclone_Y_carriage() {
if(render_DXF_workbed) {
!if(render_DXF_workbed) {
offset(delta = DXF_offset) projection(cut = true)
translate([0,0,-workbed_separation_from_Y_threaded_rod]) {
Cyclone_YsubPart_nutHolder();
@ -144,8 +164,14 @@ module Cyclone_Y_carriage() {
} else {
if(draw_references) color("red") %frame(20);
Cyclone_YsubPart_nutHolder();
translate([0,0,axes_Y_smoothThreaded_verticalSeparation])
translate([0,0,axes_Y_smoothThreaded_verticalSeparation]) {
Cyclone_YsubPart_linearBearingHolders();
difference() {
translate([0,0,workbed_separation_from_Y_threaded_rod+workbed_thickness-axes_Y_smoothThreaded_verticalSeparation])
Cyclone_YsubPart_PCBholder();
#Cyclone_YsubPart_linearBearingHolders(onlyScrews=true);
}
}
color([0.9,0.8,0.8,0.5]) translate([0,0,workbed_separation_from_Y_threaded_rod+workbed_thickness])
beveledBase(size=[workbed_size_X,workbed_size_Y,workbed_thickness], radius=3, res=15, echoPart=true);
}

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@ -20,8 +20,7 @@ Work in progress. Pending tasks:
* PCB holder
* Fork Marlin firmware and add Cyclone parameters
* Better plastic-saving holes for the X frames
* Add the X nut holder to the X carriage
* Add the Z nut holder to the X carriage
* Improve the nut holder in the X carriage
* Re-design the [Z carriage](INHERITED) after testing performance. Integrate vacuum cleaner attachment
* Re-design the [gears](INHERITED) with smoother edges