chiark / gitweb /
anke-gps-bracket: NestleCube: add NestleCubeBaseTest
[reprap-play.git] / filamentspool.scad
index 5fdd147..34e2f82 100644 (file)
@@ -1,9 +1,23 @@
+// -*- 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;
@@ -12,34 +26,58 @@ ratchettoothheight=5;
 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;
@@ -47,9 +85,7 @@ totalwidth = armendwallthick*2 + channelwidth;
 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);
@@ -59,9 +95,11 @@ module ArmEnd(length=120){
     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);
@@ -70,7 +108,7 @@ module ArmEnd(length=120){
                        [       0,      0,      1,      0       ],
                        [       0,      0,      0,      1       ]])
        cube([ratchettooth - ratchettoothsmoothr*2,
-             channelwidth, ratchettoothheight]);
+             channelwidth, ratchettoothheight - ratchettoothsmoothr]);
     }
   }
 }
@@ -90,14 +128,14 @@ module FilamentCupHandle(){
                        [       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);
   }
@@ -107,7 +145,7 @@ module FilamentCupCup(){
   }
 }
 
-module FilamentCup() {
+module FilamentCup() { ////toplevel
   FilamentCupHandle();
 
   dx = cupbigrad + prongwidth;
@@ -121,18 +159,21 @@ module FilamentCup() {
 
   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){
@@ -152,7 +193,7 @@ module CupSecuringClipSolidSmooth(xrad=0, xdepth=0){
   }
 }
 
-module CupSecuringClip(){
+module CupSecuringClip(){ ////toplevel
   wingswidth = wingspoke*2 + overclipthick*2 + overcliproundr*2 + totalwidth;
   difference(){
     union(){
@@ -161,10 +202,169 @@ module CupSecuringClip(){
        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();
+//Hub();
+//ArmExtender();
+//Axle();
+//AxleWasher();
+//AxlePin();
+//AxleFrictionWasher();