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roller.scad
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roller.scad
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include <configuration.scad>;
//extr=15; //extrusion squear size
extr_cl_dist=1.2; // extrusion clearence distance
cone_radius = 5;
cone_radius_dwn = 4;
rod_offset=extr+5; //(25)
shrink_wrap = 0.1; // mm thickness
h_base=7;
H_roller=diagonal/2+extr_cl_dist+h_base;
W_roller=diagonal/2+extr_cl_dist+m3_radius;
layer_h=0.4;
Roller_output=1;
//output option:
//1 - for right and lefr rollers plate
//2 - for assembled
//3/4 - for right or left only
///////////////////////////////////////////////////////////////////////////////
module 623_bearings (r1_623,r2_623,t_623,d_623) {
for (i=[0,1,2]){
translate ([0,0,h_base-5.5])
rotate ([0,45*(cos(180*i)),0]) translate([0, extr*(i-1), 1*d_623+0])
cylinder(r1=r1_623, r2=r2_623, h=t_623, center=false, $fn=12);
}
}
///////////////////////////////////////////////////////////////////////////////
module roller() {
// OpenBeam.
// % rotate([0, 0, 45]) cube([extr, extr, 120], center=true);
difference() {
union() {
intersection() {
union(){
difference() {
union() {
for (z = [-extr / 2, extr / 2]) {
// Big round ends.
rotate([90, 0, 0])
{
translate([0, z, 0])
difference() {
cylinder(h=h_base, r=W_roller, center=false, $fn=36);
translate ([-extr,z*2,h_base/2])
cylinder(r=extr*1, h=h_base+5,center=true, $fn=12);
}
// Screw guide tubes.
translate([-W_roller, z, 0])
cylinder(r1=cone_radius+0.5, r2= cone_radius_dwn , h=H_roller, center=false);
translate([W_roller, z, 0])
cylinder(r1=cone_radius+0.5, r2= cone_radius_dwn , h=H_roller , center=false);
}
// Diagonal guide ramps.
translate([-W_roller, -(H_roller), z-3])
cube([W_roller*2, H_roller, 6], center=false);
}
// Waist.
translate([0, -h_base/2, 0])
cube([(W_roller+cone_radius_dwn)*2, h_base, extr], center=true);
}
// Space for 623 bearings with shrink wrap.
rotate([90,0,0])
623_bearings(6+shrink_wrap,6+shrink_wrap,50,5);
}
// Mounting surfaces for 623 bearings.
rotate([90,0,0]) 623_bearings (5,3,extr/4,2);
}
//extra cutt_off
translate([0,-H_roller/2,0])
cube ([(W_roller+cone_radius_dwn)*2 ,H_roller, (extr+3)*2], center=true);
}
// Connect guide tubes vertically.
translate([-0, -(H_roller), -extr/2])
cube([W_roller+cone_radius_dwn , H_roller, extr], center=false);
// Attachment for diagonal rods.
translate([rod_offset, 0, extr/2]) {
rotate([90, 0, 0])
cylinder(r1=9/2 , r2=cone_radius, h=12, center=false, $fn=20);
translate([-rod_offset+extr,-12, -7/2])
cube([rod_offset-extr, 12, 7], center=false);
}
}
// M3 screws for 623 bearings.
rotate([90,0,0]) 623_bearings (m3_radius+m3_clr ,m3_radius,extr*3,-extr);
// Inside space for OpenBeam.
color([1, 0, 0]) translate ([0,-diagonal/2-h_base-extr_cl_dist ,0]) rotate([0, 0, 45])
cube([extr+extr_cl_dist, extr+extr_cl_dist, 120], center=true);
// Screw holes.
for (z = [-extr/2, extr/2]) {
for (z2 = [-W_roller,W_roller]){
translate([z2, -10/2-layer_h, z]) rotate([90, 0, 0])
cylinder(r=(m3_radius+m3_clr), h=80, center=false, $fn=12);
translate([rod_offset, 1, z]) rotate([90, 0, 0])
cylinder(r=(m3_radius+m3_clr), h=25, center=false, $fn=12);
translate([rod_offset, -10, z]) rotate([90, 0, 0])
cylinder(r=m3_nut_radius, h=10, center=false, $fn=6);
}
}
}
// 623zz ball bearings with shrink wrap.
%rotate([90,0,0]) 623_bearings (5+shrink_wrap,5+shrink_wrap,4,extr/3);
}
///////////////////////////////////////////////////////////////////////////////
module roller_left() {
scale([1, 1, -1])
difference() {
union() {
rotate([0,0,90]) roller();
// Adjustable endstop screw.
intersection() {
translate([h_base/2, -W_roller+cone_radius, extr/2])
cylinder(r1=4, r2=cone_radius, h=extr/2+3, center=false);
translate ([0,-(extr*4+rod_offset)/2,-5/2*extr])
cube([H_roller, extr*4+rod_offset, 5*extr], center=false);
}
}
// Fishline attachment in the front.
translate([12, diagonal, 0]) rotate([90, 0, 0])
cylinder(r=m3_radius, h=30, center=false, $fn=12);
// Adjustable endstop screw.
translate([h_base/2, -W_roller+cone_radius , extr]) {
cylinder(r=m3_radius, h=extr*4, center=true, $fn=12);
cylinder(r=m3_nut_radius, h=4, $fn=6);
}
// Four nyloc nuts.
for (x = [1, -1]) {
rotate([0,0,90])
translate([W_roller*x, 0, extr/2*x]) rotate([90, 0, 0])
cylinder(r=m3_nut_radius+clear, h=10, center=true, $fn=6);
for (z = [-1, 1]) {
rotate ([0,0,90])
translate([W_roller*(-z), 0, extr/2*z]) rotate([90, 0, 0])
cylinder(r=m3_cap, h=10, center=true, $fn=16);
}
}
}
}
////////////////////////////////////////////////////////////////////////////////
module roller_right() {
difference() {
roller();
// Four M3x35 screws.
// for (z = [-1, 1]) {
// for (x = [-(diagonal+cone_radius_dwn)/2,(diagonal+cone_radius_dwn)/2]) {
//#translate([(diagonal+cone_radius_dwn)/2*z, 0, diagonal/2*z]) rotate([90, 0, 0])
//cylinder(r=m3_cap, h=10, center=true, $fn=12);
//}
for (x = [1, -1]) {
translate([W_roller*x, 0, extr/2*(-x)]) rotate([90, 0, 0])
cylinder(r=m3_nut_radius+clear, h=10, center=true, $fn=6);
}
for (z = [1, -1]) {
translate([W_roller*(z), 0, extr/2*(z)]) rotate([90, 0, 0])
cylinder(r=m3_cap, h=10, center=true, $fn=16);
}
// Avoid scratching the returning fishline.
// translate([-35, 5, diagonal/2]) rotate([0, 0, 45])
// cube([20, 20, 20], center=true);
}
}
//////////////////////////////////////////////////////////////////////////////////
if (Roller_output == 1) {
rotate([180,-90,-90]) translate([0,5/2*extr,0])
roller_left();
rotate([-90,0,0]) roller_right();
}
if (Roller_output == 2) {
rotate([180,0,90]) translate([-H_roller,0,0])
roller_left();
translate([0, H_roller, 0])
roller_right();
% rotate([0, 0, 45]) cube([extr, extr, 120], center=true);
}
if (Roller_output == 3) {
rotate([-90,0,0]) roller_right();
}
if (Roller_output == 4) {
rotate([180,-90,-90]) roller_left();
}
//translate([-23, 0, 19])
///translate([0,-H_roller*2,0]) rotate([180, 0, 90])
//rotate([180,-90,-90]) translate([0,5/2*extr,0])
//roller_left();
//rotate ([0,0,0])
// rotate([-90,0,0]) roller_right();
//translate([23, 0, 19]) rotate([-90, 0, 180]) roller_right();