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Added improvements by Harry Binnema: better gears and symmetric Z carriage

pull/9/head
Carlos Garcia Saura 2013-09-26 23:43:30 +02:00
parent fd7486901e
commit 8d8c314707
11 changed files with 28917 additions and 34236 deletions
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Hardware/Development/Cyclone_Template/output/Cyclone.stl
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Hardware/Development/Gears/motor_gear.scad
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@ -14,9 +14,6 @@
*
* Copyright (C) 2011 Guy 'DeuxVis' P.
*
* August 2013 added 2 extra setscrews to ensure centered usage.
* by Harry Binnema.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
@ -91,10 +88,7 @@ union() difference() {
translate( [0, 0, 12] ) mirror( [0, 0, 1] ) difference() {
//shaft
cylinder( r=9, h=15, $fn=40 );
//adapted to include 3 captive nuts for symmetrical positioning
//adpted bij HJ Binnema on August 26 2013.
for (i= [0:2]){
rotate([0,0,i*120]){
//captive nut and grub holes
translate( [0, 20, 3.5] ) rotate( [90, 0, 0] ) union() {
//enterance
@ -104,7 +98,7 @@ union() difference() {
cylinder( r=6/2+0.5, h=2.6, $fn=6 );
//grub hole
translate( [0, 0, 9] ) cylinder( r=3.2/2, h=10, $fn=6 );
}}}
}
}
}

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Hardware/Development/Gears/stl/motor_gear_21.stl
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72
Hardware/Development/XZ_axis/Z_carriage.scad
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@ -1,20 +1,13 @@
// Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture
// Created by Carlosgs (http://carlosgs.es)
// License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/)
/*
* August 2013 changes to design top-part mounting screw at same side as bottom-part.
* also started introduced 2nd spindle diameter for a-symmetrical spindles. this is not working yet.
* by Harry Binnema.
*/
use <../libs/obiscad/bcube.scad>
use <../libs/build_plate.scad>
use <../libs/Write/Write.scad>
spindle_motor_diam_top = 26*2;
spindle_motor_diam = 26*2;
spindle_holder_thickness = 8;
spindle_holder_distance = 46;
spindle_holder_thickness = 7;
bottom_thickness = 4;
base_width = 20;
@ -36,7 +29,7 @@ M8_rod_diameter = 8.2;
axis_distance = 21;
wall_thickness = 9;
wall_thickness = 8;
wall_height = motor_width;
wall_width = 54;
@ -65,27 +58,21 @@ module dummySpindle() {
}
// Derived from Spindle mount for ShapeOko by Misan (http://www.thingiverse.com/thing:26740)
module spindle_holder_holes(length,spindiam, basediam,top_part) {
module spindle_holder_holes(length=50,showSpindle=true) {
$fn=6;
translate([20,8,-0.05]) cylinder(r=basediam/2,h=length+2,$fn=60);
translate([-20,8,-0.05]) cylinder(r=basediam/2,h=length+2,$fn=60);
if (top_part){
translate([0,38,0]) rotate([0,0,0]) {
translate([0,0,-0.05]) cylinder(r=spindiam/2,h=length+2,$fn=60);
translate([0,-3,-0.01]) cube([90,3,length+2]);
translate ([spindiam/2+15,15,length/2]) rotate([90,0,0]) cylinder(r=2,h=30);
translate ([spindiam/2+15,-10.5,length/2]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
}
}
else
{
translate([20,8,-0.05]) cylinder(r=base_screw_diameter/2,h=length+2,$fn=60);
translate([-20,8,-0.05]) cylinder(r=base_screw_diameter/2,h=length+2,$fn=60);
translate([0,38,0]) rotate([0,0,180]) {
translate([0,0,-0.05]) cylinder(r=spindiam/2,h=length+2,$fn=60);
translate([0,0,-0.05]) cylinder(r=spindle_motor_diam/2,h=length+2,$fn=60);
translate([0,0,-0.01]) cube([90,3,length+2]);
translate ([spindiam/2+15,20,length/2]) rotate([90,0,0]) cylinder(r=2,h=30);
translate ([spindiam/2+15,15,length/2]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
}
translate ([36,20,length/2]) rotate([90,0,0]) cylinder(r=2,h=30);
translate ([36,14,length/2]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
}
}
@ -174,35 +161,28 @@ module Z_solid_body(top_part=true) {
cylinder(r=3+LM8UU_dia/2,h=wall_thickness,$fn=50);
}
// For the claw of the spindle holder
if(top_part){
// For the screw of the spindle holder
translate([wall_height/2,wall_width-4,0])
translate([0,38,0]) {
rotate([0,0,0]) {
translate([spindle_motor_diam/2,-12.5,0]) cube([25,20,wall_thickness]);
rotate([0,0,180]) {
translate([28,-7,0]) cube([15,20,wall_thickness]);
// Write text in the front
color([0.5,0.5,0.5])
rotate([0,0,180]) scale([-1,1,-textHscale])
if(top_part)
scale([-1,1,-textHscale])
writecylinder("CYCLONE",[0,0,-wall_thickness/(2*textHscale)],spindle_motor_diam/2+spindle_holder_thickness,0,font="orbitron.dxf",space=1.1,h=wall_thickness,t=textThickness,center=true,ccw=true);
}
}
}
else
translate([wall_height/2,wall_width-4,0])
translate([0,38,0]) {
rotate([0,0,180]) {
translate([spindle_motor_diam/2,-7,0]) cube([25,20,wall_thickness]);
color([0.2,0.2,0.5])
else
scale([1,1,textHscale])
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);
}
}
}
//for display only, doesn't contribute to final object
//build_plate(3,200,200);
build_plate(3,200,200);
module Z_carriage(showSpindle=false,top_part=true) {
@ -212,7 +192,7 @@ module Z_carriage(showSpindle=false,top_part=true) {
Z_solid_body(top_part);
if(top_part) motor_stand_holes_Z();
translate([wall_height/2,wall_width-4,0])
spindle_holder_holes(wall_thickness,spindle_motor_diam,base_screw_diameter,top_part);
spindle_holder_holes(wall_thickness,showSpindle);
translate([wall_height/2-Z_smooth_rods_sep/2,Z_threaded_pos,0])
linearBearingHolderZ(wall_thickness);
translate([wall_height/2+Z_smooth_rods_sep/2,Z_threaded_pos,0])
@ -238,14 +218,14 @@ module Z_carriage(showSpindle=false,top_part=true) {
module Z_carriage_assembled() {
Z_carriage(showSpindle=true,top_part=false);
translate([0,0,3+spindle_holder_distance]) rotate([180,0,0]) Z_carriage(showSpindle=false,top_part=true);
translate([0,0,3+23*2]) rotate([180,0,0]) Z_carriage(showSpindle=false,top_part=true);
}
//Z_carriage(top_part=true);
//Z_carriage(top_part=false);
Z_carriage(top_part=false);
Z_carriage_assembled();
//Z_carriage_assembled();

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Hardware/Development/XZ_axis/Z_carriage_old.scad Normal file
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@ -0,0 +1,143 @@
// Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture
// Created by Carlosgs (http://carlosgs.es)
// License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/)
use <../libs/obiscad/bcube.scad>
use <../libs/build_plate.scad>
use <../libs/Write/Write.scad>
include <./lm8uu_holder.scad>
bottom_thickness = 4;
base_width = 20;
base_length = 25;
base_screw_diameter = 5;
motor_width = 43;
motor_length = 49; // not used
motor_screw_distance = 31.3;
motor_center_diameter = 23;
motor_screw_diameter = 3.7;
motor_screw_head_diameter = 8;
bearing_diameter = 22.4;
M8_rod_diameter = 8.2;
axis_distance = 21;
wall_thickness = 5;
wall_height = motor_width;
wall_width = 54;
idler_width = 25;
lbearing_holder_length = 23*2;
Z_threaded_pos = motor_width/2+axis_distance;
Z_smooth_rods_sep = 55;
textHscale = 0.8;
textThickness = 1.5;
// Derived from Spindle mount for ShapeOko by Misan (http://www.thingiverse.com/thing:26740)
module spindle_holder(length=50,showSpindle=true) {
$fn=6;
translate([0,38,0]) rotate([0,0,180]) {
if(showSpindle) scale([1,1,-1]) translate([0,0,-length]) {
translate([0,0,85]) color([0.95,0.95,0.95]) cylinder(r=26,h=30,$fn=60);
translate([0,0,80]) color([0.95,0.95,0.95]) cylinder(r=10/2,h=5,$fn=60);
translate([0,0,-10]) color([0.6,0.6,0.6]) cylinder(r=26,h=90,$fn=60);
translate([0,0,-40]) color([0.9,0.9,0.9]) cylinder(r=15/2,h=40,$fn=60);
translate([0,0,-50]) color([0.4,0.4,0.4]) cylinder(r=20/2,h=10,$fn=60);
translate([0,0,-50-20]) color([0.9,0.9,0.9]) cylinder(r1=1/2,r2=3/2,h=20,$fn=60);
}
difference() {
union() {
cylinder(r=30,h=length,$fn=60);
// Write text in the front
color([0.5,0.5,0.5]) scale([-1,1,-textHscale]) writecylinder("CYCLONE",[0,0,-length/(3*textHscale)],30,0,font="orbitron.dxf",space=1.1,h=12,t=textThickness,center=true,ccw=true);
translate ([-30,0,0]) cube([60,38,length]);
translate([28,-7,0]) cube([20,20,length]);
color([0.5,0.5,0.5]) scale([-1,1,-textHscale]) writecylinder("PCB Factory",[0,0,-length/(1.5*textHscale)],30,0,font="orbitron.dxf",space=1.1,h=14/2,t=textThickness,center=true,ccw=true);
translate ([-30,0,0]) cube([60,38,length]);
translate([28,-7,0]) cube([20,20,length]);
}
translate([0,0,-0.05]) cylinder(r=26,h=length+2,$fn=60);
translate([0,0,-0.01]) cube([90,3,length+2]);
translate ([40,20,3*length/4]) rotate([90,0,0]) cylinder(r=2,h=30);
translate ([40,20,length/4]) rotate([90,0,0]) cylinder(r=2,h=30);
translate ([40,14,3*length/4]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
translate ([40,14,length/4]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
difference() {
translate ([-30+15,0,-0.1]) cube([30,38.1,30]);
cylinder(r=26+1,h=length,$fn=60);
}
}
}
}
module motor_stand_no_base_Z(with_motor=true) {
difference() {
translate([wall_height/2,wall_width/2,wall_thickness/2])
bcube([wall_height,wall_width,wall_thickness],cr=4,cres=10);
// Position relative to motor shaft
translate([motor_width/2,motor_width/2,wall_thickness/2]) {
if(with_motor) {
// Hole for the motor shaft
translate([0,-wall_width/2,0])
cube([20,wall_width,10*wall_thickness],cr=4,cres=10,center=true);
cylinder(r=motor_center_diameter/2,h=10*wall_thickness,center=true,$fn=40);
// Screws for holding the motor
for(i=[-1,1]) for(j=[-1,1])
translate([i*motor_screw_distance/2,j*motor_screw_distance/2,0]) {
cylinder(r=motor_screw_diameter/2,h=10*wall_thickness,center=true,$fn=40);
cylinder(r=motor_screw_head_diameter/2,h=10*wall_thickness,center=false,$fn=40);
}
} // End if with motor
// Bearing holes
rotate([0,0,0]) translate([0,axis_distance,0]) {
cylinder(r=(M8_rod_diameter*2)/2,h=10*wall_thickness,center=true,$fn=40);
cylinder(r=bearing_diameter/2,h=10*wall_thickness,center=false,$fn=60);
}
} // End of translate relative to motor shaft
} // End of difference
}
module motor_stand_Z(with_motor=true) {
union() {
motor_stand_no_base_Z(with_motor);
}
}
//for display only, doesn't contribute to final object
build_plate(3,200,200);
module Z_carriage(showSpindle=false) {
rotate([0,0,-90]) translate([-wall_height/2,-Z_threaded_pos,0]) {
motor_stand_Z();
translate([wall_height/2,wall_width-4,0]) spindle_holder(lbearing_holder_length,showSpindle);
translate([wall_height/2-Z_smooth_rods_sep/2,Z_threaded_pos,lbearing_holder_length/2]) rotate([-90,0,0]) lm8uu_bearing_holder_XZ(lbearing_holder_length);
translate([wall_height/2+Z_smooth_rods_sep/2,Z_threaded_pos,lbearing_holder_length/2]) rotate([-90,0,0]) lm8uu_bearing_holder_XZ(lbearing_holder_length);
}
}
Z_carriage(showSpindle=false);

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Hardware/Development/XZ_axis/motor_gear.scad
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@ -12,10 +12,7 @@
* derived from http://www.thingiverse.com/thing:3104
* (thanks GilesBathgate) which is under GPL CC license.
*
* August 2013 added 2 extra setscrews to ensure centered usage.
* by Harry Binnema.
*
* Copyright (C) 2011 Guy 'DeuxVis' P.
* Copyright (C) 2011 Guy 'DeuxVis' P.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -37,10 +34,8 @@ include <MCAD/teardrop.scad>
include <MCAD/involute_gears.scad>
motor_shaft_diameter=5.4;
pos=15.4; //position hole for grubnut
nholes = 7;
shaft_diam=10;
shaft_height=7;
/* Herringbone gear module, adapted from MCAD/involute_gears */
module herringbone_gear( teeth=12, circles=0, shaft=5 ) {
@ -89,25 +84,20 @@ rotate([180,0,0]) union() difference() {
translate( [0, 0, 12] ) mirror( [0, 0, 1] ) difference() {
//shaft
cylinder( r=shaft_diam, h=shaft_height, $fn=40 );
cylinder( r=9, h=7, $fn=40 );
//captive nut and grub holes
for (i=[0:2]){ //3 symmetric grubscrews
rotate([0,0,i*120]){
translate( [0, 20, 3.5] ) rotate( [90, 0, 0] ) union() {
//entrance for nut
translate( [0, -4.4, pos] ) cube( [5.9, 5.8, 2.45], center=true );
//nut hole
translate( [0, 0, pos-1.2] ) rotate( [0, 0, 30] )
cylinder( r=6/2+0.2, h=2.6, $fn=6 );
//grub screw hole
//enterance
translate( [0, -3, 14.5] ) cube( [6, 6, 2.6], center=true );
//nut
translate( [0, 0, 13.3] ) rotate( [0, 0, 30] )
cylinder( r=6/2+0.5, h=2.6, $fn=6 );
//grub hole
translate( [0, 0, 9] ) cylinder( r=1.5, h=10, $fn=20 );
}
}
}
}
}
//shaft hole
translate( [0, 0, -6] ) cylinder( r=motor_shaft_diameter/2, h=20, $fn=30 );

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Hardware/Development/XZ_axis/stl/Z_carriage_bottom.stl
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Hardware/Development/XZ_axis/stl/Z_carriage_top.stl
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Hardware/Development/XZ_axis/stl/gears/motor_gear.stl
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README.md
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@ -52,14 +52,6 @@ License
Authors
--
_Check Hardware, Software and Firmware sections for details regarding authorship_
**_Hardware_**
- **Carlos García Saura (Carlosgs <http://carlosgs.es>)** (original design)
- **Daniel Garrido (yOPERO <http://yopero-tech.blogspot.com.es/>)** (hardware improvements)
**_Software_**
- **Carlos García Saura (Carlosgs <http://carlosgs.es>)** (original python scripts)
- _GUI work in progress by various members of the mail-list_
**_Electronics, firmware_**
- _Work in progress by various members of the mail-list_
Render (v0.9.7)
--