chiark / gitweb /
topeak-seatstay-lock: roof/skirt: set to same thick as equivalent bit of brompton...
[reprap-play.git] / filamentspool.scad
index 4aae9c8e27fa0d648acee7669f6d2a9b57831122..c90701f5154a1297e37ddf06b88980dd3729ebd1 100644 (file)
@@ -44,6 +44,7 @@ overclipcupgap=5;
 overclipdepth=15;
 overcliproundr=2.0;
 overclipthick=0.5;
+overclipcupnextgap=20;
 
 overclipsmaller=-2.5;
 overclipbigger=0.0;
@@ -65,19 +66,25 @@ 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;
 totalwidth = armendwallthick*2 + channelwidth;
 totalheight = channeldepth + armendbasethick;
 stalkwidth = prongwidth + prongstalkxwidth;
+xstraight = cupbigrad * xstraightmul;
 
 module ArmEnd(length=120){ ////toplevel
   translate([ratchettoothsmoothr, channelwidth/2, -armendbasethick]) {
@@ -129,7 +136,6 @@ module FilamentCupHandle(){
 }
 
 module FilamentCupCup(){
-  xstraight = cupbigrad * xstraightmul;
   linear_extrude(height=prongthick) {
     FlatArc(0,0, cupbigrad,cupbigrad+prongwidth, 89,271, $fn=80);
   }
@@ -163,9 +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){
@@ -249,17 +257,8 @@ module ArmExtender(){ ////toplevel
                   hb=doveclipheight);
 }
 
-module AxlePin(){ ////toplevel
-  pinr = axlepinrad - slop;
-  intersection(){
-    translate([0, 0, pinr*0.7]) {
-      translate([0, -washerrad, 0]) rotate([-90,0,0])
-       cylinder(r=pinr, h=washerrad*2, $fn=10);
-      translate([-axlepintabrad, hubaxlerad, -axlepinrad])
-       cube([axlepintabrad*2, axlepinrad*2, axlepinrad*2]);
-    }
-    translate([-50,-50,0]) cube([100,100,50]);
-  }
+module FsAxlePin(){ ////toplevel
+  AxlePin(hubaxlerad, washerrad*2, axlepinrad, axlepintabrad, slop);
 }
 
 module Axle(){ ////toplevel
@@ -314,11 +313,41 @@ module Axle(){ ////toplevel
   }
 }
 
+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
@@ -330,11 +359,21 @@ module TowerExtender(){ ////toplevel
                   pillarw = towerpillarw);
 }
 
+module FilamentCupPair(){ ////toplevel
+  FilamentCup();
+  translate([xstraight + cupbigrad + prongthick*3,
+            cupbigrad*1.7,
+            0])
+    rotate([0,0,180]) FilamentCup();
+}
+
 //ArmEnd();
 //FilamentCup();
+//FilamentCupPair();
 //CupSecuringClip();
 //Hub();
 //ArmExtender();
 //Axle();
 //AxleWasher();
 //AxlePin();
+//AxleFrictionWasher();