+// -*- C -*-
fdia=1.75;
slop=0.5;
bigslop=slop*2;
+exteffrad = 70;
+hubeffrad = 30;
+hubbigrad = 20;
+hublwidth = 3;
+hubstemwidth = 2;
+hublthick = 10;
+hubaxlelen = 25;
+hubaxlerad = 5;
+totalheightfromtower = 240;
+axletowerfudgebend = 0;
+axleaxlefudgebend = 3;
+axlepadlen = 1.0;
+
prongthick=5;
prongwidth=5;
ratchetstep=15;
ratchettoothsmoothr=1;
ratchettoothslope=0.75;
overlap=0.5;
-cupbigrad=35;
+cupbigrad=20;
+
+xstraightmul = 1.75;
+
+propxshift = 0;
+
+doveclipheight = 10;
teethh=3;
teethgapx=4+fdia;
prongstalkxwidth=3;
-stalklength=40;
+stalklength=35;
overclipcupgap=5;
overclipdepth=15;
overcliproundr=2.0;
overclipthick=0.5;
+overclipcupnextgap=20;
+
+overclipsmaller=-2.5;
+overclipbigger=0.0;
wingspoke=3;
wingsize=6;
wingthick=3;
-overclipsmaller=-1.0;
-overclipbigger=2.0;
-
armendwallthick=2.5;
armendbasethick=1.2;
+axlehorizoffset = 12.5;
+axlevertheight = 100;
+towercliph = 16;
+towerclipcount = 3;
+towerpillarw = 5;
+
+axlepinrad = 2;
+axlepintabrad = 5;
+
+washerthick = 1.2;
+washerthinthick = 0.8;
+washerverythinthick = 0.4;
+washerrad = hubaxlerad + 7.5;
+frictionwasherarmwidth = 3;
+frictionwasherextrapush = 1.0;
+
ratchetpawl=ratchetstep-ratchettooth-bigslop*2;
include <doveclip.scad>
include <cliphook.scad>
include <filamentteeth.scad>
+include <axlepin.scad>
channelwidth = prongthick + slop;
channeldepth = prongwidth + ratchettoothheight;
totalheight = channeldepth + armendbasethick;
stalkwidth = prongwidth + prongstalkxwidth;
-doveclipheight = totalheight;
-
-module ArmEnd(length=120){
+module ArmEnd(length=120){ ////toplevel
translate([ratchettoothsmoothr, channelwidth/2, -armendbasethick]) {
rotate([0,0,-90])
DoveClipPairBase(h=doveclipheight);
translate([0, -armendwallthick, -armendbasethick])
cube([length, totalwidth, totalheight]);
translate([-1, 0, 0])
+ cube([length+1 - ratchettooth, channelwidth, channeldepth+1]);
+ translate([-1, 0, ratchettoothheight])
cube([length+2, channelwidth, channeldepth+1]);
}
- for (dx = [0 : ratchetstep : length - stalklength]) translate([dx,0,0]) {
+ for (dx = [0 : ratchetstep : length - ratchetstep]) translate([dx,0,0]) {
translate([ratchettoothsmoothr+0.5, armendwallthick/2, 0]) minkowski(){
rotate([90,0,0])
cylinder($fn=20, r=ratchettoothsmoothr, h=armendwallthick);
[ 0, 0, 1, 0 ],
[ 0, 0, 0, 1 ]])
cube([ratchettooth - ratchettoothsmoothr*2,
- channelwidth, ratchettoothheight]);
+ channelwidth, ratchettoothheight - ratchettoothsmoothr]);
}
}
}
[ 0, 0, 0, 1 ]])
cube([pawlusewidth,
ratchettoothheight - ratchettoothsmoothr,
- prongthick]);
+ prongthick - 1]);
}
}
}
}
module FilamentCupCup(){
- xstraight = cupbigrad;
+ xstraight = cupbigrad * xstraightmul;
linear_extrude(height=prongthick) {
FlatArc(0,0, cupbigrad,cupbigrad+prongwidth, 89,271, $fn=80);
}
}
}
-module FilamentCup() {
+module FilamentCup() { ////toplevel
FilamentCupHandle();
dx = cupbigrad + prongwidth;
midrad = cupbigrad + prongwidth/2;
- propshift = stalklength - overclipdepth - prongthick;
+ propshift = stalklength - overclipdepth - prongthick + propxshift;
proptaken = propshift;
echo(cupbigrad, dx, midrad, propshift, proptaken);
translate([propshift, -1, 0]) {
+ // something is wrong with the y calculation
cube([prongwidth,
- dy - sqrt(midrad*midrad - proptaken*proptaken),
+ dy - sqrt(midrad*midrad - proptaken*proptaken) - prongwidth/2,
prongthick]);
}
- translate([stalklength + overclipdepth, gapy, 0])
- rotate([0,0,-(10 + fdia)])
- FilamentTeeth(fdia=fdia, h=teethh);
+ for (y = [overclipcupgap, overclipcupgap+overclipcupnextgap]) {
+ translate([0, y, 0])
+ rotate([0,0, 102 + fdia])
+ FilamentTeeth(fdia=fdia, h=teethh);
+ }
}
module CupSecuringClipSolid(w,d,h1,h2){
}
}
-module CupSecuringClip(){
+module CupSecuringClip(){ ////toplevel
wingswidth = wingspoke*2 + overclipthick*2 + overcliproundr*2 + totalwidth;
difference(){
union(){
cube([wingswidth, wingsize, wingthick]);
}
translate([0,0,-0.1])
- CupSecuringClipSolidSmooth(xrad=0, xdepth=5);
+ CupSecuringClipSolidSmooth(xrad=0, xdepth=0.2);
+ }
+}
+
+module ArmDoveClipPin(){ ////toplevel
+ DoveClipPin(h=doveclipheight);
+}
+
+module TowerDoveClipPin(){ ////toplevel
+ DoveClipPin(h=towercliph/2);
+}
+
+module Hub(){ ////toplevel
+ difference(){
+ cylinder($fn=60, h=hublthick, r=hubbigrad);
+ translate([0,0,-1])
+ cylinder($fn=30, h=hublthick+2, r=(hubbigrad-hublwidth));
+ }
+ axlerad = hubaxlerad + slop;
+ difference(){
+ cylinder(h=hubaxlelen, r=axlerad+hublwidth);
+ translate([0,0,-1]) cylinder($fn=60, h=hubaxlelen+2, r=axlerad);
+ }
+ hole = hubeffrad - hubbigrad - DoveClip_depth() - hublwidth*2;
+ holewidth = DoveClipPairSane_width() - hubstemwidth*2;
+ for (ang=[0,120,240])
+ rotate([0,0,ang]) {
+ difference() {
+ translate([hubeffrad,0,0])
+ DoveClipPairSane(h=doveclipheight,
+ baseextend = (hubeffrad - DoveClip_depth()
+ - hubbigrad + hublwidth));
+ if (hole>hublwidth && holewidth > 2) {
+ translate([hubbigrad + hublwidth, -holewidth/2, -1])
+ cube([hole, holewidth, hublthick+2]);
+ }
+ }
+ }
+ xmin = axlerad+hublwidth/2;
+ xmax = hubbigrad-hublwidth/2;
+ for (ang = [0 : 60 : 359])
+ rotate([0,0,ang]) rotate([90,0,0]) {
+ translate([0,0,-hublwidth/2])
+ linear_extrude(height=hublwidth)
+ polygon([[xmin,0.05], [xmax,0.05],
+ [xmax,hublthick-0.2], [xmin, hubaxlelen-0.2]]);
+ }
+}
+
+module ArmExtender(){ ////toplevel
+ DoveClipExtender(length=exteffrad-hubeffrad,
+ ha=doveclipheight,
+ hb=doveclipheight);
+}
+
+module FsAxlePin(){ ////toplevel
+ AxlePin(hubaxlerad, washerrad*2, axlepinrad, axlepintabrad, slop);
+}
+
+module Axle(){ ////toplevel
+ pillarswidth = DoveClipPairSane_width(towerclipcount);
+
+ rotate([0,0, -( axleaxlefudgebend + atan(slop/hubaxlelen) ) ])
+ translate([-axlehorizoffset, -axlevertheight, 0]) {
+ rotate([0,0,-axletowerfudgebend])
+ rotate([0,0,-90])
+ DoveClipPairSane(h=towercliph, count=towerclipcount, baseextend=3);
+ translate([0, DoveClip_depth(), 0])
+ rotate([0,0,90])
+ ExtenderPillars(axlevertheight - DoveClip_depth(),
+ pillarswidth, towercliph,
+ pillarw=towerpillarw);
+ }
+
+ axleclearlen = hubaxlelen + slop*4 + washerthick*2 + axlepadlen;
+ axlerad = hubaxlerad-slop;
+ bump = axlerad * 0.2;
+ shift = axlerad-bump;
+ joinbelowallow = 3;
+
+ intersection(){
+ translate([0, 0, shift]) {
+ difference() {
+ union(){
+ translate([-1, 0, 0])
+ rotate([0,90,0])
+ cylinder($fn=60,
+ r = axlerad,
+ h = 1 + axleclearlen + axlepinrad*2 + 2);
+ mirror([1,0,0]) rotate([0,90,0])
+ cylinder(r = axlerad*1.75, h = 3);
+ intersection(){
+ mirror([1,0,0])
+ translate([axlehorizoffset - pillarswidth/2, 0, 0])
+ rotate([0,90,0])
+ cylinder($fn=60,
+ r = towercliph - shift,
+ h = pillarswidth);
+ translate([-50, -joinbelowallow, -50])
+ cube([100, joinbelowallow+50, 100]);
+ }
+ }
+ rotate([90,0,0])
+ translate([axleclearlen + axlepinrad/2, 0, -25])
+ cylinder(r = axlepinrad + slop, h=50);
+ }
+ }
+ translate([-50,-50,0]) cube([100,100,100]);
}
}
+module washer(thick){
+ Washer(hubaxlerad, washerrad, thick, slop);
+}
+
+module AxleWasher(){ ////toplevel
+ washer(thick=washerthick);
+}
+
+module AxleThinWasher(){ ////toplevel
+ washer(thick=washerthinthick);
+}
+
+module AxleVeryThinWasher(){ ////toplevel
+ washer(thick=washerverythinthick);
+}
+
+module AxleFrictionWasher(){ ////toplevel
+ difference(){
+ cylinder(h=washerthick, r=washerrad);
+ translate([0,0,-1]) cylinder(h=washerthick+2, r=hubaxlerad+slop);
+ }
+ frarmr = hubbigrad;
+ frarmw = frictionwasherarmwidth;
+ frarmpawlr = hublwidth;
+ frarmpawlpush = slop*4 + frictionwasherextrapush;
+ for (ang=[0,180]) rotate([0,0,ang]) {
+ translate([washerrad-1, -frarmw/2, 0])
+ cube([frarmr - washerrad + 1, frarmw, washerthick]);
+ intersection(){
+ translate([frarmr - frarmpawlr, -50, 0])
+ cube([frarmpawlr, 100, 50]);
+ rotate([0,90,0])
+ cylinder(h = 50, r = frarmpawlpush, $fn=36);
+ }
+ }
+}
+
+module TowerExtender(){ ////toplevel
+ l = totalheightfromtower - axlevertheight;
+ echo("TowerExtender",l);
+ DoveClipExtender(length = l,
+ ha = towercliph, hb = towercliph,
+ counta = towerclipcount, countb = towerclipcount,
+ pillarw = towerpillarw);
+}
+
//ArmEnd();
//FilamentCup();
-CupSecuringClip();
+//CupSecuringClip();
+//Hub();
+//ArmExtender();
+//Axle();
+//AxleWasher();
+//AxlePin();
+//AxleFrictionWasher();
~ianmdlvl / reprap-play.git / blobdiff