// -*- C -*-
-spoolwidth = 80; // fixme needs to be measured
-trestleheight = 80; // fixme needs to be checked
-trestlebase = 80; // fixme needs to be checked
+spoolinnerdia = 32;
+spoolwidth = 88.0;
+spoolinnerrad = (spoolinnerdia - 0.2) / 2;
+spoolouterrad = spoolinnerrad + 61.5;
include <doveclip.scad>
+include <axlepin.scad>
-spoolwidthgap = 2;
-barrady = 5;
-barradz = 7;
-guidewidth = 3;
-guiderad = 20;
+spoolradclear = 10;
+spoolradslop = 2;
-plugl = 12;
-plugwmin = min(8, DoveClipPairSane_width(2));
+spoolinnerslop = 3;
+axleslop = 0.5;
+
+axlerad = 7;
+barwasherrad = 17;
+
+hubbasethick = 4;
+hubmainthick = 15;
+hubbaseweb = 1.2;
+hubbasestalkwidth = 4;
+hubwalls = 2.5;
+hubpillarw = 4;
+hubbaserad = spoolinnerrad + 10;
+hubmainrad = spoolinnerrad - spoolradslop;
+
+legw = 12;
+plugl = 20;
+plugwmin = 3;
plugh = 10;
plugslope = 0.5;
plugwmax = plugwmin + plugh * plugslope * 2;
+trestlefoot = 15;
+
trestlelegw = 10;
trestlebaseh = 10;
trestleplugd = 1;
-topcylthick = 3;
-topcylbasedepth = 7;
+topblockthick = 3;
+topblockbasedepth = 5;
+
+pinbasew = 4.0;
+pinminh = 1.0;
+pinmaxh = 3.5;
+pindh = 1.75;
+pindwidth = 1.75;
+
+pintaperlen = 20;
+pinstraightlen = 30-pintaperlen;
+
+spoolouterpad = AxlePin_holerad()*2 * 1.5;
+spoolbarlen = spoolwidth +
+ 2*(Washer_thick() + hubbasethick + AxlePin_holerad()
+ + spoolinnerslop + spoolouterpad);
+ barz = axlerad * 0.5;
+axlepin_x = spoolwidth/2 + hubbasethick +
+ Washer_thick() + spoolinnerslop + AxlePin_holerad()*0.5;
+
+trestleheight = spoolouterrad + spoolradclear - barz;
+trestlebase = trestleheight * 1.2;
module Plug(d=0){
+ dw = d;
+ dh = d;
+ dhb = d*2;
a = atan(plugslope);
- tdx = d * cos(a);
- tdy = d * sin(a);
- bdx = d / cos(a);
+ bdy = -dhb;
+ bdx = dw / cos(a) + bdy * plugslope;
+ tdy = dh;
+ tdx = bdx + tdy * plugslope;
translate([-d,0,0]) rotate([90,0,90]) linear_extrude(height=plugl+0.1+d*2){
- polygon([[-(plugwmax/2 + bdx), 0],
- [-(plugwmin/2 + tdx), plugh + tdy],
- [+(plugwmin/2 + tdx), plugh + tdy],
- [+(plugwmax/2 + bdx), 0]]);
+ polygon([[-(plugwmin/2 + bdx), bdy],
+ [-(plugwmax/2 + tdx), plugh + tdy],
+ [+(plugwmax/2 + tdx), plugh + tdy],
+ [+(plugwmin/2 + bdx), bdy]]);
}
- translate([plugl + DoveClip_depth()*0.7 + d, 0, 0])
- DoveClipPairSane(count=1, h=plugh-0.1);
}
-module Bar(){
- spoolw = spoolwidth + spoolwidthgap*2;
- barz = barradz * 0.5;
+module Bar(){ ////toplevel
+ spoolw = spoolbarlen;
biggestw = spoolw + 50;
intersection(){
for (mir=[0,1]) {
mirror([mir,0,0]) {
- translate([0,0,barz]) {
- scale([1,barrady,barradz]) translate([-1,0,0])
- rotate([0,90,0]) cylinder(r=1, h=spoolw/2+2, $fn=30);
- translate([spoolw/2,0,0])
- rotate([0,90,0]) cylinder(r=guiderad, h=guidewidth, $fn=60);
- }
- translate([spoolw/2 + guidewidth, 0, 0])
+ translate([spoolw/2, 0, 0])
Plug();
+ translate([-1, -50, -50])
+ cube([spoolw/2+1.1, 100, 100]);
}
}
- translate([-biggestw/2, -50, 0])
- cube([biggestw, 100, 100]);
+ difference(){
+ translate([-biggestw/2, -50, 0])
+ cube([biggestw, 100, 100]);
+ for (mir=[0,1]) {
+ mirror([mir,0,0])
+ translate([axlepin_x, 0, -50])
+ cylinder(r=AxlePin_holerad(), 100, $fn=15);
+ }
+ }
+ translate([0,0,barz]) {
+ translate([-100,0,0])
+ rotate([0,90,0]) cylinder(r=axlerad, h=200, $fn=60);
+ }
}
}
-module Trestle(){
+module FtAxlePin(){ ////toplevel
+ AxlePin(axlerad, (axlerad + barwasherrad*2)/3 * 2);
+}
+
+module AxleWasher(){ ////toplevel
+ Washer(axlerad, barwasherrad);
+}
+
+module Trestle(){ ////toplevel
legang = atan2(trestlebase/2, trestleheight);
eplen = sqrt(trestleheight*trestleheight + trestlebase*trestlebase*0.25);
- topcylr = max(plugwmax/2,
- trestlelegw/2,
- sqrt(plugwmin*2/4 + plugh*plugh)
- ) + topcylthick + trestleplugd;
+ topblockw = plugwmax + trestleplugd*2 + topblockthick*2;
+
+ pinholebasew = pinbasew + pindwidth*2;
+ pinholeh = pinmaxh + pindh;
difference(){
union(){
rotate([0,0, -90-legang])
ExtenderPillars(length=eplen+trestlelegw,
width=trestlelegw,
- height=plugl,
+ height=legw,
baseweb=true);
translate([-trestlebase/2, -trestleheight, 0])
- cylinder(r=trestlelegw/2*1.2, h=plugl);
+ cylinder(r=trestlelegw/2*1.2, h=trestlefoot);
}
}
- intersection(){
- cylinder(r=topcylr, h=plugl);
- translate([-50, -topcylbasedepth, -1])
- cube([100, 50, plugl+2]);
- }
+ translate([-topblockw/2, -topblockbasedepth, 0])
+ cube([topblockw,
+ topblockbasedepth + plugh + topblockthick
+ + (pinmaxh - pinminh)*0.5,
+ plugl]);
translate([-trestlebase/2, -trestleheight, 0])
- ExtenderPillars(length=trestlebase, width=trestlebaseh*2, height=plugl);
+ ExtenderPillars(length=trestlebase, width=trestlebaseh*2, height=legw);
}
translate([-300, -trestleheight-50, -1])
- cube([600, 50, plugl+2]);
+ cube([600, 50, 52]);
rotate([-90,-90,0])
Plug(d=trestleplugd);
+
+ for (rot=[0,180]) {
+ translate([0,0,plugl/2]) rotate([0,rot,0]) translate([0,0,-plugl/2]) {
+ translate([0,
+ plugh - (pinmaxh - pinminh)*1.00,
+ (plugl - pinholebasew*2)/3]) {
+ translate([-(topblockw*0.25+1), 0, pinholebasew/2])
+ rotate([-90,0,0]) %Pin();
+ translate([-(topblockw+1), 0, 0]) {
+ rotate([0,90,0]) {
+ linear_extrude(height = topblockw*2.0+2) {
+ polygon([[-1.0 * pinholebasew, -0.01],
+ [-0.5 * pinholebasew, pinholeh],
+ [ 0 , -0.01]]);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+module Pin(){ ////toplevel
+ rotate([90,0,90]) {
+ hull(){
+ for (mir=[0,1]) {
+ mirror([mir,0,0]) {
+ linear_extrude(height=0.1) {
+ polygon([[-0.01, 0],
+ [-0.01, pinminh],
+ [pinbasew*0.5*(pinminh/pinmaxh), 0]]);
+ }
+ translate([0,0,pintaperlen])
+ linear_extrude(height=pinstraightlen) {
+ polygon([[-0.01, 0],
+ [-0.01, pinmaxh],
+ [pinbasew*0.5, 0]]);
+ }
+ }
+ }
+ }
+ }
+}
+
+module HubEnd(){ ////toplevel
+ thick = hubmainthick+hubbasethick;
+ difference(){
+ union(){
+ for (ang=[0 : 60 : 359]) {
+ rotate([0,0,ang]) {
+ translate([hubmainrad - hubwalls/2, -hubbasestalkwidth/2, 0])
+ cube([hubbaserad - (hubmainrad - hubwalls/2),
+ hubbasestalkwidth, hubbasethick]);
+ ExtenderPillar(length = hubmainrad-hubwalls/2,
+ height = hubbasethick + hubmainthick,
+ pillarw = hubpillarw);
+ }
+ }
+ cylinder(r=axlerad+hubwalls, h=thick);
+ cylinder(r=hubmainrad-0.1, h=hubbaseweb);
+ difference(){
+ cylinder(r=hubmainrad, h=thick, $fn=100);
+ translate([0,0,-1])
+ cylinder(r=hubmainrad-hubwalls, h=thick+2);
+ }
+ difference(){
+ cylinder(r=hubbaserad, h=hubbasethick, $fn=50);
+ translate([0,0,-1])
+ cylinder(r=hubbaserad-hubwalls, h=hubbasethick+2);
+ }
+ }
+ translate([0,0,-1])
+ cylinder(r=axlerad+axleslop, h=thick+2, $fn=50);
+ }
+}
+
+
+module TestKit(){ ////toplevel
+ translate([60,0,0]) mirror([1,0,0]) Pin();
+ translate([60,15,0]) mirror([1,0,0]) Pin();
+ translate([0,40,0]) intersection(){
+ Trestle();
+ translate([-50,-10,-1]) cube([100,100,100]);
+ }
+ intersection(){
+ translate([-60,10,0]) Bar();
+ cube(50,center=true);
+ }
+ %translate([50,40, AxlePin_zoffset()]) FtAxlePin();
+ %translate([0,-20,0]) AxleWasher();
+}
+
+module DemoSpool(){
+ rotate([0,90,0]) translate([0,0,-spoolwidth/2])
+ difference(){
+ cylinder(r=spoolouterrad, h=spoolwidth);
+ translate([0,0,-1]) cylinder(r=spoolinnerrad, h=spoolwidth+2);
+ }
+}
+
+module Demo(){ ////toplevel
+ color("blue") Bar();
+ for (mir=[0,1]) {
+ mirror([mir,0,0]) {
+ color("red") translate([spoolbarlen/2,0,0])
+ rotate([90,0,90]) Trestle();
+ color("orange")
+ translate([spoolwidth/2 + hubbasethick + spoolinnerslop*2/3, 0, barz])
+ rotate([0,90,0]) AxleWasher();
+ color("orange") translate([axlepin_x, 0, barz])
+ rotate([90,0,90]) FtAxlePin();
+ color("cyan")
+ translate([spoolwidth/2 + hubbasethick + spoolinnerslop*1/3, 0, barz])
+ rotate([0,-90,0]) HubEnd();
+ }
}
+ %translate([0,0,barz]) DemoSpool();
}
//Bar();
+//FtAxlePin();
+//AxleWasher();
+//Trestle();
+//Pin();
+//TestKit();
//Plug(d=1);
-Trestle();
//ExtenderPillars(80,12,8, baseweb=true);
+//HubEnd();
+//Demo();
~ianmdlvl / reprap-play.git / blobdiff