P/N 104075, Rev. 0 Page 43
4.6.5 KM4000 wide keyways
Extra wide keyways, up to 3.5" (88 mm) can be cut with the KM4000 key mill. For
key width measuring, the cross slide leadscrew dial is calibrated in 0.001" (0.025
mm) increments.
For precisely accurate cutting, verify the measurements with a dial indicator.
Do the following to cut wide keyways:
1. Set the cross slide leadscrew dial to zero.
2. Position the end mill by cranking the cross slide leadscrew. See Section 4.5
on page 39 for feed information.
3. Operate the key mill as described in Section 4.2 on page 33 and Section 4.3
on page 35.
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