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Tom Griffin
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Thanks Ken.
A small end mill is a bit more forgiving if your head isn't perfectly aligned. Where a fly cutter will transfer that misalignment into your part, an end mill that is smaller than the part will average that misalignment out. Another source of error can be from the use of the solid square. Care must be taken to hold the square against the jaw of the vise and the part, so everything is square when the vise is tightened.
I just added the video How to Hand sharpen a Twist Drill to the collection and am trying to make a point of adding more on a regular basis. I need to learn how to edit because it's a real pain to shoot these videos in one take.
Tom
A small end mill is a bit more forgiving if your head isn't perfectly aligned. Where a fly cutter will transfer that misalignment into your part, an end mill that is smaller than the part will average that misalignment out. Another source of error can be from the use of the solid square. Care must be taken to hold the square against the jaw of the vise and the part, so everything is square when the vise is tightened.
I just added the video How to Hand sharpen a Twist Drill to the collection and am trying to make a point of adding more on a regular basis. I need to learn how to edit because it's a real pain to shoot these videos in one take.
Tom