Using Delrin Tenons: Difference between revisions
→Put the stem and delrin together:
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====Put the stem and delrin together:==== | ====Put the stem and delrin together:==== | ||
* first, I take a triangle file and slightly deepen the grooves on at three points around the circumference. Do not | * first, I take a triangle file and slightly deepen the grooves on at three points around the circumference. Do not deepen the grooves all the way around. The goal is to get a slight triangle shape in the grooves so that the delrin will not rotate in the stem once the epoxy has cured. Just a couple swipes of the file in each groove at 120-degree intervals should be quite sufficient to hold it. | ||
* mix up some epoxy (5-minute, 15-minute, 24-hour, whatever) with a toothpick | * mix up some epoxy (5-minute, 15-minute, 24-hour, whatever) with a toothpick | ||
* use the toothpick to put a dollop of epoxy in the stem | * use the toothpick to put a dollop of epoxy in the stem mortise | ||
* spread epoxy all over the outside of the delrin. Be sure to get epoxy in the grooves and get all the big air bubbles out. | * spread epoxy all over the outside of the delrin. Be sure to get epoxy in the grooves and get all the big air bubbles out. | ||
* insert the delrin tenon into the | * insert the delrin tenon into the mortise. Epoxy will go everywhere, this is normal. | ||
* at this point you can either wipe up the excess epoxy with a rag or paper towel, or you can wait a couple minutes and just peel it off when it becomes rubbery. Be sure to get it all, otherwise your stem won't fit right. | * at this point you can either wipe up the excess epoxy with a rag or paper towel, or you can wait a couple minutes and just peel it off when it becomes rubbery. Be sure to get it all, otherwise your stem won't fit right. | ||
* after the epoxy has fully cured, you can remove the epoxy that got into the airway by carefully re-drilling the airway. I do this by hand, holding the stem and with a tapered drill bit turning on the lathe at 500RPM. BE CAREFUL!! | * after the epoxy has fully cured, you can remove the epoxy that got into the airway by carefully re-drilling the airway. I do this by hand, holding the stem and with a tapered drill bit turning on the lathe at 500RPM. BE CAREFUL!! | ||