chiark / gitweb /
sewing-table: RoundCorner seems ok now
[reprap-play.git] / screw-recess-test.scad
index e3dab4e..09eb076 100644 (file)
@@ -1,36 +1,18 @@
 // -*- C -*-
 
-cubez = 12;
-
-shaftz = cubez;
-
-//        shaftdia  recessdia
-tests = [[2 + 0.5,   6 + 1.0,   0,  0 ],
-        [3 + 0.5,   9 + 1.0,   0, 10 ],
-        [4 + 0.5,  10 + 1.0,   0, 25 ],
-        [5 + 0.5,  10 + 1.0,  15,  5 ],
-        [6 + 0.5,  12 + 1.0,  15, 20 ]];
-
-last_test = tests[len(tests)-1];
-
-blockminx = -5;
-blockminy = -5;
-blockmaxx = 25;
-blockmaxy = 20;
-
-cubexy = 20;
-
 module RecessScrewCutout_RecessCylinder(recessdia,zbelow, h){
   translate([0,0,-zbelow]) cylinder(r=recessdia/2, h=h+1, $fn=40);
 }
 
-RecessedScrewCutout_defaultrecessdepth_flat = -0.35;
-RecessedScrewCutout_defaultrecessdepth_hex = -0.70;
+RecessedScrewCutout_defaultrecessdepth_flat = -0.30;
+RecessedScrewCutout_defaultrecessdepth_hex = -0.60;
 
-function RecessedScrewCutout_recessdepth(recessdia, recessdepth_arg) =
+function RecessedScrewCutout_recessdepth(recessdia,
+        recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) =
   recessdepth_arg >= 0 ? recessdepth_arg : -recessdepth_arg * recessdia;
 
-function RecessedScrewCutout_totaldepth(recessdia, recessdepth_arg) =
+function RecessedScrewCutout_totaldepth(recessdia,
+        recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) =
   RecessedScrewCutout_recessdepth(recessdia, recessdepth_arg) +
   + 0.5*recessdia + 0.1;
 
@@ -52,36 +34,92 @@ module RecessedScrewCutout(shaftdia, recessdia, shaftlen,
   }
 }
 
-module Block(){
-  translate([blockminx, blockmaxx, 0])
-    cube([blockmaxx-blockminx, blockmaxy-blockminy, cubez]);
-}
-
-module Test(){
-  difference(){
-    Block();
-    union(){
-      for (t = tests) {
-       RecessedScrewCutout(t[0],t[1], shaftz+1);
-      }
+//              nom.   shaft
+//              shaft   slop
+screw_info_M2   = [2,   1.2];
+screw_info_M3   = [3,   1.2];
+screw_info_M4   = [4,   1.1];
+screw_info_M5   = [5,   1.0];
+screw_info_M6   = [6,   1.2];
+
+function screw_shaft_dia_nom(info)      = info[0];
+function screw_shaft_dia_use(info)      = info[0] + info[1];
+function screw_recess_dia_use(info)     = info[0] * 2.50 + 1.0;
+function screw_recess_depth(info)       = info[0] * 1.00 + 0.50;
+function screw_recess_depth_allen(info) = info[0] * 1.55 + 0.50;
+
+function RecessedScrewCutoutStandard_totaldepth(info) =
+  RecessedScrewCutout_totaldepth(screw_recess_dia_use(info),
+                                screw_recess_depth(info));
+
+function RecessedScrewCutoutStandardAllen_totaldepth(info) =
+  RecessedScrewCutout_totaldepth(screw_recess_dia_use(info),
+                                screw_recess_depth_allen(info));
+
+module RecessedScrewCutoutStandard(info, shaftlen, zbelow=1) {
+  RecessedScrewCutout(screw_shaft_dia_use(info),
+                     screw_recess_dia_use(info),
+                     shaftlen, zbelow,
+                     screw_recess_depth(info));
+}                               
+
+module RecessedScrewCutoutStandardAllen(info, shaftlen, zbelow=1) {
+  RecessedScrewCutout(screw_shaft_dia_use(info),
+                     screw_recess_dia_use(info),
+                     shaftlen, zbelow,
+                     screw_recess_depth_allen(info));
+}                               
+
+tests = [
+        screw_info_M2,
+        screw_info_M3,
+        screw_info_M4,
+        screw_info_M5,
+        screw_info_M6
+        ];
+
+function Test_blocksz(t) = screw_recess_dia_use(t) + 7;
+
+module OneTestCore(t, h, ymul, labelnumber=false){
+  blocksz = Test_blocksz(t);
+  translate([0, ymul * (blocksz*0.5 - 1.5), 0]) {
+    difference(){
+      translate([-blocksz/2, -blocksz/2, 0])
+       cube([blocksz, blocksz, h]);
+      child();
+    }
+    if (labelnumber) {
+      rotate([90,0,0])
+       translate([-blocksz/4,blocksz/5, blocksz/2-1])
+       linear_extrude(height=0.3+1)
+      import(file=str("screw-recess-test-number-s",t[0],".dxf"), convexity=100);
     }
   }
 }
 
-module Holes(){
-  for (t = tests) {
-    translate([t[2], t[3], 0])
-      RecessedScrewCutout(t[0],t[1], shaftz+1);
+module OneTest(t){
+  h = RecessedScrewCutoutStandard_totaldepth(t) + 3;
+  ha = RecessedScrewCutoutStandardAllen_totaldepth(t) + 3;
+  OneTestCore(t, h, 1){
+    RecessedScrewCutoutStandard(t, h+1);
+  }
+  OneTestCore(t, ha, -1, true){
+    RecessedScrewCutoutStandardAllen(t, ha+1);
   }
 }
 
-module Demo(){
-  Block();
-  %Holes();
-}
+function Test_x(i) = i<=0 ? 0 :
+  Test_x(i-1) + Test_blocksz(tests[i-1])/2 + Test_blocksz(tests[i])/2 - 3;
 
-Demo();
+module Tests(){
+  for (i = [0:len(tests)-1]) {
+    echo(i, Test_x(i));
+    translate([Test_x(i), 0, 0])
+      OneTest(tests[i]);
+  }
+}
 
-//Test();
+//OneTest(tests[1]);
+Tests();
 //Hole();
 //Holes();