157 lines
8.4 KiB
OpenSCAD
157 lines
8.4 KiB
OpenSCAD
// quick-and-dirty sketch of a new stand between the turn-table and the Dynamixel MX-106 servo motor as replacement for the AX-18A servo pair in the shoulder joint of the AX18A robot arm. The center of motor shaft is elevated 100mm above the turn-table.
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difference() {
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union() {
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rotate([0,0,45]) cylinder(87,44,32,$fn=4);
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//disc
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translate([0,0,1]) cylinder(d=113, h=2.0, center=true,$fn=300);
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}
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//stand
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translate([0,0,34]) cube(size = [28, 28, 60], center = true);
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translate([0,0,24]) rotate([90,0,0]) cylinder(d=40, h=80.0, center=true,$fn=200);
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translate([0,0,24]) rotate([0,90,0]) cylinder(d=40, h=80.0, center=true,$fn=200);
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// connector openings
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translate([7,0,72]) cube(size = [18, 60, 17], center = true);
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//motor, make visible by placing a '#' at the beginning of the next line.
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translate([0,0,100]) MX106();
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//holes bottom plate
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translate([8,0,0]) cylinder(d=2.3, h=10.0, center=true,$fn=200);
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translate([-8,0,0]) cylinder(d=2.3, h=10.0, center=true,$fn=200);
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translate([0,8,0]) cylinder(d=2.3, h=10.0, center=true,$fn=200);
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translate([0,-8,0]) cylinder(d=2.3, h=10.0, center=true,$fn=200);
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translate([8,0,2.9]) cylinder(d=6, h=2.3, center=true,$fn=200);
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translate([-8,0,2.9]) cylinder(d=6, h=2.3, center=true,$fn=200);
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translate([0,8,2.9]) cylinder(d=6, h=2.3, center=true,$fn=200);
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translate([0,-8,2.9]) cylinder(d=6, h=2.3, center=true,$fn=200);
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//flat edge for screw heads motor
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translate([(34/2+10+2.5),0,100-14.5]) rotate([0,90,0]) roundCornersCube(59.5+12, 29.2+12, 20, 2);
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translate([-(34/2+10+2.5),0,100-14.5]) rotate([0,90,0]) roundCornersCube(59.5+12, 29.2+12, 20, 2);
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}
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// MX-106 body
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module MX106() {
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difference(){
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union(){
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//axis
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rotate([0,90,0]) cylinder(d=8.0, h=46+3.2, center=true,$fn=200);
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//housing (motor width +0.2)
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translate([0,0,(-45.0+29.75)]) rotate([0,90,0]) roundCornersCube(59.5, 29.0+0.2, 46.0, 2);
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//slabs (motor thickness +0.2)
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translate([0,0,(-45.0+29.75-2.8)]) rotate([0,90,0]) difference() {
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cube(size = [65.1, 40.2+0.2, 34+0.2], center = true);
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translate([-(65.1/2), ((40.2+0.2)/2), 0]) rotate([0,0,45]) cube(size = [5.5, 5.5, 40], center = true);
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translate([-(65.1/2), -((40.2+0.2)/2), 0]) rotate([0,0,45]) cube(size = [5.5, 5.5, 40], center = true);
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translate([(65.1/2), ((40.2+0.2)/2), 0]) rotate([0,0,45]) cube(size = [5.5, 5.5, 40], center = true);
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translate([(65.1/2), -((40.2+0.2)/2), 0]) rotate([0,0,45]) cube(size = [5.5, 5.5, 40], center = true);
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}
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//servo horn
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translate([46/2+3-1.25,0,0]) rotate([0,90,0]) cylinder(d=28.0, h=2.5, center=true,$fn=200);
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translate([46/2+3+1,0,0]) rotate([0,90,0]) cylinder(d=10.0, h=2, center=true,$fn=200);
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//extension
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translate([-(46/2+3.5), 0, 0]) rotate([0,90,0]) cylinder(d=8.1, h=7, center=true,$fn=200);
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translate([-(46/2+7-0.75), 0, 0]) rotate([0,90,0]) cylinder(d=10.1, h=1.5, center=true,$fn=200);
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//mounting holes housing, negative
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translate([0, (34.6/2), 4.0]) rotate([0,90,0]) cylinder(d=2.8, h=60, center=true,$fn=200);
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translate([0, -(34.6/2), 4.0]) rotate([0,90,0]) cylinder(d=2.8, h=60, center=true,$fn=200);
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translate([0, (34.6/2), -18.0]) rotate([0,90,0]) cylinder(d=2.8, h=60, center=true,$fn=200);
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translate([0, -(34.6/2), -18.0]) rotate([0,90,0]) cylinder(d=2.8, h=60, center=true,$fn=200);
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translate([0, (34.6/2), -40.0]) rotate([0,90,0]) cylinder(d=2.8, h=60, center=true,$fn=200);
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translate([0, -(34.6/2), -40.0]) rotate([0,90,0]) cylinder(d=2.8, h=60, center=true,$fn=200);
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translate([0, (22.0/2), -47.8]) rotate([0,90,0]) cylinder(d=2.8, h=60, center=true,$fn=200);
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translate([0, -(22.0/2), -47.8]) rotate([0,90,0]) cylinder(d=2.8, h=60, center=true,$fn=200);
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}
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//servo horn holes
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translate([46/2+3+1.2, 0, 0]) rotate([0, 90, 0]) cylinder(d=2.4, h=2.8, center=true,$fn=200);
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translate([46/2+3-1.2, 22/2, 0]) rotate([0, 90, 0]) cylinder(d=2.4, h=2.8, center=true,$fn=200);
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translate([46/2+3-1.2, -22/2, 0]) rotate([0, 90, 0]) cylinder(d=2.4, h=2.8, center=true,$fn=200);
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translate([46/2+3-1.2, 0, 22/2]) rotate([0, 90, 0]) cylinder(d=2.4, h=2.8, center=true,$fn=200);
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translate([46/2+3-1.2, 0, -22/2]) rotate([0, 90, 0]) cylinder(d=2.4, h=2.8, center=true,$fn=200);
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translate([46/2+3-1.2, sqrt(pow(22/2,2)/2), sqrt(pow(22/2,2)/2)]) rotate([0, 90, 0]) cylinder(d=2.4, h=2.8, center=true,$fn=200);
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translate([46/2+3-1.2, -sqrt(pow(22/2,2)/2), sqrt(pow(22/2,2)/2)]) rotate([0, 90, 0]) cylinder(d=2.4, h=2.8, center=true,$fn=200);
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translate([46/2+3-1.2, sqrt(pow(22/2,2)/2), -sqrt(pow(22/2,2)/2)]) rotate([0, 90, 0]) cylinder(d=2.4, h=2.8, center=true,$fn=200);
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translate([46/2+3-1.2, -sqrt(pow(22/2,2)/2), -sqrt(pow(22/2,2)/2)]) rotate([0, 90, 0]) cylinder(d=2.4, h=2.8, center=true,$fn=200);
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//mounting holes housing
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//translate([0, (34.6/2), 4.0]) rotate([0,90,0]) cylinder(d=2.7, h=50, center=true,$fn=200);
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//translate([0, -(34.6/2), 4.0]) rotate([0,90,0]) cylinder(d=2.7, h=50, center=true,$fn=200);
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//translate([0, (34.6/2), -18.0]) rotate([0,90,0]) cylinder(d=2.7, h=50, center=true,$fn=200);
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//translate([0, -(34.6/2), -18.0]) rotate([0,90,0]) cylinder(d=2.7, h=50, center=true,$fn=200);
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//translate([0, (34.6/2), -40.0]) rotate([0,90,0]) cylinder(d=2.7, h=50, center=true,$fn=200);
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//translate([0, -(34.6/2), -40.0]) rotate([0,90,0]) cylinder(d=2.7, h=50, center=true,$fn=200);
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//translate([0, (22.0/2), -47.8]) rotate([0,90,0]) cylinder(d=2.7, h=50, center=true,$fn=200);
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//translate([0, -(22.0/2), -47.8]) rotate([0,90,0]) cylinder(d=2.7, h=50, center=true,$fn=200);
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}
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}
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/*
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http://codeviewer.org/view/code:1b36
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Copyright (C) 2011 Sergio Vilches
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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 3 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
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Contact: s.vilches.e@gmail.com
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-----------------------------------------------------------
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Round Corners Cube (Extruded)
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roundCornersCube(x,y,z,r) Where:
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- x = Xdir width
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- y = Ydir width
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- z = Height of the cube
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- r = Rounding radious
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Example: roundCornerCube(10,10,2,1);
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*Some times it's needed to use F6 to see good results!
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-----------------------------------------------------------
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*/
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// Test it!
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//roundCornersCube(10,5,2,1);
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module createMeniscus(h,radius) // This module creates the shape that needs to be substracted from a cube to make its corners rounded.
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difference(){ //This shape is basicly the difference between a quarter of cylinder and a cube
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translate([radius/2+0.1,radius/2+0.1,0]){
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cube([radius+0.2,radius+0.1,h+0.2],center=true); // All that 0.x numbers are to avoid "ghost boundaries" when substracting
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}
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cylinder(h=h+0.2,r=radius,$fn = 25,center=true);
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}
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module roundCornersCube(x,y,z,r) // Now we just substract the shape we have created in the four corners
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difference(){
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cube([x,y,z], center=true);
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translate([x/2-r,y/2-r]){ // We move to the first corner (x,y)
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rotate(0){
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createMeniscus(z,r); // And substract the meniscus
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}
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}
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translate([-x/2+r,y/2-r]){ // To the second corner (-x,y)
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rotate(90){
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createMeniscus(z,r); // But this time we have to rotate the meniscus 90 deg
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}
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}
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translate([-x/2+r,-y/2+r]){ // ...
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rotate(180){
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createMeniscus(z,r);
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}
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}
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translate([x/2-r,-y/2+r]){
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rotate(270){
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createMeniscus(z,r);
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}
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}
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} |