titan customizeable mounting bracket

1 files changed, 88 insertions, 0 deletions

diff --git a/titan-bracket.scad b/titan-bracket.scad
new file mode 100644
index 0000000..2bd146b
--- a/dev/null
+++ b/titan-bracket.scad
@@ -0,0 +1,88 @@
+// The thickness of the mount plate (in mm)
+mountplate_thickness = 2 ; // [0:10]
+// The thickness of the motor mount plate (in mm)
+motormountplate_thickness = 2 ; // [2:7]
+
+/* [Hidden] */
+layer_height=.25; extrusion_width=.5;
+epsilon=.01;
+
+module smoothen(r) {
+ offset(r=+r,$fn=r*PI*6) offset(delta=-r) children();
+}
+
+module the_bracket(
+ mountplate_size=[62,40],
+ mountplate_r = 3,
+ mounthole_d = 3.5,
+ mountholes_span=[54,30],
+ motor_side=42.3,
+ motor_protrusion_hole_d = 23.5,
+ motormountholes_span = 31,
+ thickness = 2,
+ motormountplate_thickness = 2.5,
+ mountplate_thickness = 2,
+ motormounthole_d = 3,
+ motorconnector_width = 16.5,
+ motorconnector_hole_r = 2.5,
+ motorconnector_distance = 16.5,
+ mountscrew_l = 10, mountscrewhead_d = 6, mountscrewhead_h = 3,
+ mounthole_depth = 5,
+ motormounthole_depth = 4,
+ extra_spacer = 0
+) {
+ titan_h = 25; titan_bowdenmount_h = 4;
+ echo("max longscrew",titan_h+motormountplate_thickness+extra_spacer+motormounthole_depth);
+ echo("max shortscrew",titan_bowdenmount_h+motormountplate_thickness+extra_spacer+motormounthole_depth);
+ difference() {
+  union() {
+   // mount plate
+   linear_extrude(height=mountplate_thickness)
+   smoothen(r=mountplate_r)
+   translate([-mountplate_size.x/2,0])
+   square(size=mountplate_size);
+   // motor mount plate
+   hull() for(sx=[-1,1])
+   translate([sx*(motor_side/2+thickness-motormountplate_thickness/2),motormountplate_thickness/2,0])
+   cylinder(d=motormountplate_thickness,h=motor_side+mountplate_thickness,$fn=motormountplate_thickness*PI*2);
+   // sides
+   for(sx=[-1,1]) translate([sx*(motor_side+thickness)/2,0,0])
+   hull() {
+    translate([-thickness/2,motormountplate_thickness/2,0])
+    cube(size=[thickness,mountplate_size.y-motormountplate_thickness/2,mountplate_thickness]);
+    translate([-thickness/2,motormountplate_thickness/2,0])
+    cube(size=[thickness,motormountplate_thickness/2,mountplate_thickness+motor_side]);
+   }
+  }
+  // mount holes
+  for(sx=[-1,1]) for(sy=[-1,0,1])
+   translate([sx*mountholes_span.x/2,sy*mountholes_span.y/2,0])
+   translate([0,mountplate_size.y/2,0]) {
+    translate([0,0,-1])
+    cylinder(d=mounthole_d,h=mountplate_thickness+2,$fn=mounthole_d*PI*2);
+    translate([0,0,mountscrew_l-mounthole_depth])
+    cylinder(d=mountscrewhead_d,h=mountplate_thickness+1,$fn=mountscrewhead_d*PI*2);
+   }
+  // motor protrusion cutout
+  translate([0,0,mountplate_thickness+motor_side/2])
+  rotate([-90,0,0]) translate([0,0,-1])
+  cylinder(d=motor_protrusion_hole_d,h=motormountplate_thickness+2,$fn=motor_protrusion_hole_d*PI*2);
+  // motor mount holes
+  for(sx=[-1,1]) for(sz=[-1,1])
+   translate([sx*motormountholes_span/2,0,sz*motormountholes_span/2])
+   translate([0,0,mountplate_thickness+motor_side/2])
+   rotate([-90,0,0]) translate([0,0,-1])
+   cylinder(d=motormounthole_d,h=motormountplate_thickness+2,$fn=motormounthole_d*PI*2);
+  // motor connector cutout
+  translate([mountplate_size.x/2,
+             motormountplate_thickness+extra_spacer+motorconnector_distance-motorconnector_hole_r,
+             mountplate_thickness+motor_side/2-motorconnector_width/2])
+  rotate([0,-90,0])
+  linear_extrude(height=mountplate_size.x)
+  smoothen(r=motorconnector_hole_r)
+  square([motor_side+mountplate_thickness+1,mountplate_size.y]);
+ }//difference
+}//the_bracket module
+
+// mountplate_thickness = 5.1
+the_bracket(mountplate_thickness=mountplate_thickness,motormountplate_thickness=motormountplate_thickness);