EP5

wwn

3/147

G8A

Canned cycle : thread cutting

Machining of iongitućinal threads with a constant pitch.

I

Ali motions such as feeding, cutting, lifting and return motions are generated autorriatically at the appropriate speed. The number ! of cuts executed is that reguirec to reach the end point preset

under X and Z.

i

l

i

i

i The following must be entered in the błock with G84 :

End point of the last thread cut in transverse direction under X

End point cf the last thread cut in Iongitućinal ćirecrion under Z

Feeć per thread cut in transverse direction under I

Feed for every other thread cut in longitudinał direction for alternate machining of the left-hand and right-hand thread flank under K

Thread pitch under F

A number of further thread cuts with a smalier feed can be entered in a further błock.

Programming :

N...    G84    X...    Z...    I...    K...    F...