chiark / gitweb /
anke-gps-bracket: NestleCube: add NestleCubeBaseTest
[reprap-play.git] / filamentspool.scad
index 6b35646..34e2f82 100644 (file)
@@ -5,13 +5,18 @@ fdia=1.75;
 slop=0.5;
 bigslop=slop*2;
 
-hubeffrad = 30; // + 55;
+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;
@@ -39,6 +44,7 @@ overclipcupgap=5;
 overclipdepth=15;
 overcliproundr=2.0;
 overclipthick=0.5;
+overclipcupnextgap=20;
 
 overclipsmaller=-2.5;
 overclipbigger=0.0;
@@ -50,11 +56,28 @@ wingthick=3;
 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;
@@ -146,9 +169,11 @@ module FilamentCup() { ////toplevel
          dy - sqrt(midrad*midrad - proptaken*proptaken) - prongwidth/2,
          prongthick]);
   }
-  translate([0, overclipcupgap, 0])
-    rotate([0,0, 102 + 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){
@@ -185,6 +210,10 @@ module ArmDoveClipPin(){ ////toplevel
   DoveClipPin(h=doveclipheight);
 }
 
+module TowerDoveClipPin(){ ////toplevel
+  DoveClipPin(h=towercliph/2);
+}
+
 module Hub(){ ////toplevel
   difference(){
     cylinder($fn=60, h=hublthick, r=hubbigrad);
@@ -222,7 +251,120 @@ module Hub(){ ////toplevel
     }
 }
 
+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();