Playing with this solenoid EDM thing.

Toys/SolenoidEDM.scad

@@ -0,0 +1,98 @@
+module Solenoid(shaftDiameter=6+1, shaftLength=8.1,
+                   pinDiameter=2+1, pinOffset=2.5, pinLengthExtra=20) {
+
+  // Solenoid shaft
+  render()
+  difference() {
+    union() {
+      cylinder(r=shaftDiameter/2, h=shaftLength);
+
+      mirror([0,0,1])
+      cylinder(r1=shaftDiameter/2, r2=0, h=shaftDiameter/2);
+    }
+
+  }
+
+  // Pin
+  translate([0,0,pinOffset])
+  rotate([90,0,0])
+  cylinder(r=pinDiameter/2,
+           h=shaftDiameter+pinLengthExtra+2,
+      center=true,
+         $fn=4);
+}
+
+module SolenoidHead(probeDiameter=3) {
+
+  render()
+  difference() {
+
+    // Body
+    union() {
+
+      // Body
+      cylinder(r=7, h=30);
+
+      // Alignment Lug
+      translate([0,-2,0])
+      cube([10,4,30]);
+
+      // Electrode Bolt Support
+      translate([-8,-6,20])
+      cube([10,12,10]);
+    }
+
+    translate([0,0,7])
+    mirror([0,0,1])
+    Solenoid();
+
+    // Electrode Bolt
+    translate([0,0,25])
+    rotate([0,-90,0])
+    cylinder(r=2, h=10, $fn=4);
+
+    // Electrode Nut
+    translate([-3,-3,20])
+    #cube([3,6,11]);
+
+
+    // Probe
+    translate([0,0,13])
+    cylinder(r=probeDiameter/2, h=30);
+  }
+}
+
+module SolenoidMount(frameWidth=13, frameLength=30,
+                     boltSpacing=15, boltOffset=7,
+                     guideLength=70) {
+
+  difference() {
+    union() {
+      translate([0,-frameWidth/2,0])
+      cube([frameLength+50, frameWidth, 8]);
+
+      translate([frameLength+50,-frameWidth/2,0])
+      cube([guideLength, frameWidth, 23]);
+    }
+
+    // Head guide slot      
+    translate([frameLength,-3,5])
+    cube([50, 6, 5]);
+
+    // Probe guide hole
+    translate([frameLength+49,0,16])
+    rotate([0,90,0])
+    cylinder(r=1.5, h=guideLength+2, $fn=4);
+
+    for (X = [0,boltSpacing])
+    translate([boltOffset+X,0,-1])
+    cylinder(r=2, h=11);
+  }
+}
+
+translate([45,0,16])
+rotate([0,90,0])
+//!mirror([0,0,1])
+SolenoidHead();
+
+SolenoidMount();