My heatsinks are precision-machined works of art. Here’s a description of the meticulous craftsmanship that goes into each one.
- Cut 7.75″ length billets from 12′ lengths of raw aluminum bar stock …
- Cooler KX Lite™ stock has a 1.0″ × 1.5″ cross section
- Cooler KX Plus™ stock has a 1.0″ × 1.75″ cross section
- Establish the bottom surface as a reference …
- High-speed rough cut.
- Engrave my callsign.
- Plane to remove machining marks.
- Cut outside dimensions.
- Drill holes.
- High-speed rough-cut fin and end bolster profiles.
- Low-speed precision-cut fins and end bolsters.
- Smooth all edges and gullets.
- Visual inspection.
- Tap the optional sunshield (still in development) mounting holes.
- Hand lap the bottom surface (to ensure flatness).
- Perform bottom surface flatness check.
- Wash to remove tapping fluid.
- Wash thoroughly.
- Apply MIL SPEC 5541 chromate conversion (undercoat).
- Apply matte black powder coat.
- Inspect powder coating for …
- Uniform coverage. Reject units that are not fully coated.
- Contamination on the threads of the two tapped holes. Remove if present.
- Overspray on the bottom. Remove if present.
- Redo bottom surface flatness test. Reject units that fail.