1. Drill in the center.
2. Tap drill size 22.
3. 10-24 tap.
These are the necessary steps for using a manual milling machine to cut a threaded hole in an aluminum workpiece.
What is manual milling machine?
Using a multi-toothed cutter that is fed into a moving workpiece, the Manual Mill is a milling machine that removes metal. A manual mill can machine rather complex items since it can remove material along all three axes (X, Y, and Z).
To hold a shaft between centers, a hole is drilled on its axis using a center drill. Although the spot drill (which has a simpler geometry) has taken its place, it was also used to drill center holes on machining centers.
When drilling aluminum at slower cutting speeds, BUE is a significant issue since the wear mechanisms switch from abrasion and/or adhesion to diffusion as cutting speed increases.
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