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Why are there many protrusions on the broadsword after it is rough?
The following four reasons will lead to a large number of knife bumps after the broadsword is coarsened:

1, negligence of field personnel.

2. The drawing dimensions are not clearly marked, and X, Y and Z are not marked in the usual way.

3. The processing origin of the program table is inconsistent with the drawing origin.

4. This kind of error often happens when the tool is used incorrectly or the program table is written incorrectly.