IPD_Mrs
Member
For a Jr Statesman I can find a pilot shaft for the 27/64" tube but nothing for the 12.5mm cap tube. I am pretty bad about getting CA in the tube. Any suggestions on what to use? I even looked for a 31/64"
Mike
Mike
Pilot shaft size
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Monty
Group Buy Coordinator
I use a reamer to remove the glue from the tubes.
LEAP
Member
Mike If I understand your question you are looking for the shaft that fits inside the tubes to guide the end mill. The common answer to that is to take a 7mm tube and glue a blank to it then turn it to the ID of the tube. Slide that over your 7mm shaft and mill the blank. To clean out the glue I have been using rifle cleaning brushes chucked in a hand drill. If your not doing it already, you might want to try plugging one end of the tube with wax or plummers putty to keep the glue from getting in the tube when you insert it.
DKF
Member
Dental baxe wax is the easiest.....
Blind_Squirrel
Member
If you decide to make a guide I suggest that you do NOT use wood to do so. I made several wood inserts for my various pen types. One day I happened to hold the tube up to the light and discovered an air gap between the insert and the tube. [:0] I knew that I had made this insert to between .001-.002 tolerence. Two days later I slipped the same insert back into the same tube and the air gap was not there. [:0] [:0] What was the difference? It had not rained for a few weeks when I first discovered the air gap. It had rained the day before I checked it a second time.
The moral of this story is that wood expands and contracts. I am in the process of re-making all my shims out of delrin or acrylic. [
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IPD_Mrs
Member
OK so what is the best thing to plug the tubes with that the CA won't stick to? I also want to be able to punch it back out fairly easily.
Mike
Mike
Sylvanite
Member
I once tried making collets out of delrin. The first time they slipped, the friction heat melted the delrin and made a terrible mess. I wouldn't trust delrin to hold up in a pen mill bushing, but I hope you have better luck.
Woodlvr
Member
CSUSA sells some of the black delrin? that you can use to turn down for this purpose.
Mike
Mike
Blind_Squirrel
Member
I wonder how corian would hold up?
Blind_Squirrel
Member
Try wax. Many buy it from Bill @ Arizona Silhouette http://www.arizonasilhouette.com/ Others melt candle wax onto a sheet. Some simply scrape the wax off the candle and compact it in the end to create a plug.
Others have suggested plumbers putty.
jimbo5576
Member
I made a complete set out of Delrin also known as aceytal, been using them for a couple of years now with now problems. Your mileage may vary. Check for it with a local supplier. I paid almost $6 plus shippig for a 1 ft piece off Ebay. Bought a 6 ft piece 5/8" diameter for $14. It turns easily can be use to make busings to prevent CA from sticking to your metal bussings. I even made a turing guide busing for a special pen out of it. I really like the stuff.
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