interference fit basic question

The Machinery's Handbook is the Bible of machinists everywhere. The book costs about $150, but it should be available at a large civic or educational library; you'll only need one table. It has the exact specifications for all types of interference, press, and running fits for various size shafts. If you can't get access to the book, let me know and I'll look it up for you.

There are different classes of interference fits, and to complicate things even more the size will depend on the type of material and its thickness. Even if you know the exact size needed, though, finding a drill bit of that size - and then getting it to cut a hole to exactly that size - will be next to impossible. A reamer is your best bet.

John Martin

You had better farm this job out to someone else. Drilling the hole is not the way to go. Anything you could do without precision machinery is apt to destroy the accuracy of a jeweler's lathe setup.

On 20 Oct 2005 22:22:51 -0700, with neither quill nor qualm, "woodworker88" quickly quoth:

I found an older copy for $4, saving about $146. YMMV Let "the boss" buy new copies if they're needed.

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