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Cycle parameters – HEIDENHAIN TNC 640 (34059x-05) Cycle programming User Manual

Page 357

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TURN SHOULDER FACE EXTENDED

(Cycle 822, DIN/ISO: G822)

12.12

12

TNC 640 | User's Manual Cycle Programming | 1/2015

357

Cycle parameters

Machining operation Q215: Define machining
operation:

0

: Roughing and finishing

1

: Only roughing

2

: Only finishing to finished dimension

3

: Only finishing to oversize

Set-up clearance Q460 (incremental): Distance for
retraction and pre-positioning.
Diameter at contour start Q491: X coordinate of
the contour starting point (diameter value)
Contour start in Z Q492: Z coordinate of the
contour starting point
Diameter at end of contour Q493: X coordinate of
the contour end point (diameter value)
Contour end in Z Q494: Z coordinate of the contour
end point
Angle of face Q495: Angle between the face and
the rotary axis
Type of starting element Q501: Define the type of
element at the start of the contour (circumferential
surface):

0

: No additional element

1

: Element is a chamfer

2

: Element is a radius

Q460

Ø Q491

Q494

Ø Q493

Q463

Ø Q483

Q484

Q492