Owner's manual

Using Pocket Milling Cycles
Chapter 22
22-13
Use the G88.1 pocket milling roughing cycle to enlarge an existing circular
pocket i n a workpiece. This cycle makes multiple circular cuts at a
programmed width and depth.
The G88.1 block used to enlarge an existing circular pocket has this
format:
G88.1 X__Y__Z__R__Q__P__H__D__L__E__F__;
Where : Is :
XY Thecoordinates thatspecifythecenterofthe originalcircular pocket.
Z The coordinate (along the plungingaxis)thatspecifies the bottomofthe circular
pocket.
R The radius of theoriginalcircularpocket. Thisparametermustbe programmed.
Q Unsignedincrementalvaluethatspecifies howmuchtheoriginal circularpocket
shouldbe enlarged. Thisparametermustbe programmed. Theradiusofthe
enlarged circularpocketisequal toR +Q.
P Directionofroughing cut.
H Finishallowance.
D Roughingcutthickness.
L Incrementalplunge depth.
E Plungefeedrate.
F Roughingfeedrate.
22.1.5
CircularPocket Enlarging
Using G88.1