Before you change from one tapered-shank drill bit to another, make sure to Clean the chips from
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Question:
Before you change from one tapered-shank drill bit to another, make sure to
- Clean the chips from the shank and spindle
- Lubricate the spindle shank
- Remove the old bit with a file
- Sand any nicks or burrs off the chuck
You back a large-diameter drill out of thick stock periodically and clear out chips to avoid
- Breaking the drill
- Changing lubricants
- Excessive rpm of the drive motor
- Spontaneous ignition of the chips
What is a good rule to follow in planning the order of machining steps?
- Never change the setup between drilling and counterboring a hole
- Never change the setup between drilling and spotfacing a hole
- Plan the order to include as few changes in setup as possible
- Use the most powerful machine that will do the work
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