
2.TURNING CYCLE MACHINING TYPES B-63874EN/05
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PF thread: G1464 (parallel thread for tubes, ZX plane)
A PF thread (parallel thread for tubes) is cut. Only one straight thread is
machined. Be sure to set a tool angle of 55 degrees.
Male screw)
Female screw)
POS./SIZE
Data item Meaning
W THREAD TYPE [MALE] : To be selected when the external thread is
specified as threading type
[FEMALE] : To be selected when the internal thread is
specified as threading type
D THREAD DIAMETER Thread diameter (positive value)
Z START POINT (Z) Z coordinate of a thread start point
L THREAD NUMBER Number of thread crests per inch
M LENGTH Thread length (radius value, positive value)
H THREAD DEPTH Thread depth (radius value, positive value)
Remark) A thread depth is automatically calculated by
pressing [CALC] after inputting a thread number.
NOTE
The thread depth of a PF thread is calculated from
parameter No. 27154 (external) or parameter No.
27155 (internal) and a thread number.