Using Delrin Tenons: Difference between revisions

Using Delrin Tenons (view source)

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 ====Drill the stem:====
- - I chuck the rod stock and face with a 1-1/4" precision Forstner bit
+* I chuck the rod stock and face with a 1-1/4" precision Forstner bit
- - I drill the stock somewhat more aggressively than the briar. Vulcanite, Cumberland, and
+* I drill the stock somewhat more aggressively than the briar. Vulcanite, Cumberland, and acrylic are more stable than briar under heat and pressure while drilling. Don't go too nuts here, because you can burn the mortis in the stem if you use too much pressure or speed.
-   acrylic are more stable than briar under heat and pressure while drilling. Don't go too nuts
+* total hole depth in the stem material is about 1/4" to 1/2" depending on stem shape.
-   here, because you can burn the mortis in the stem if you use too much pressure or speed.
+* I also use a bit that gives me a flat bottom in the stem mortis. This way the amount of epoxy in contact with the smoke is minimal, and the opportunity for a void at the end of the delrin is minimal.
- - total hole depth in the stem material is about 1/4" to 1/2" depending on stem shape.
+* continue to drill the airway in the stem
- - I also use a bit that gives me a flat bottom in the stem mortis. This way the amount of epoxy
-   in contact with the smoke is minimal, and the opportunity for a void at the end of the delrin
-   is minimal.
- - continue to drill the airway in the stem
 ====Drill the airway in the delrin:====