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Cycle parameters – HEIDENHAIN iTNC 530 (34049x-08) Cycle programming User Manual

Page 229

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HEIDENHAIN iTNC 530

229

8.2 C

Y

LINDER SURF

A

C

E (Cy

cle 27

, DIN/ISO:

G127

, sof

tw

ar

e option

1)

Cycle parameters

Milling depth

Q1 (incremental): Distance between

the cylindrical surface and the floor of the contour.

Input range -99999.9999 to 99999.9999

Finishing allowance for side

Q3 (incremental):

Finishing allowance in the plane of the unrolled

cylindrical surface. This allowance is effective in the

direction of the radius compensation. Input range

-99999.9999 to 99999.9999

Set-up clearance

Q6 (incremental): Distance

between the tool tip and the cylinder surface. Input

range 0 to 99999.9999; alternatively PREDEF

Plunging depth

Q10 (incremental): Infeed per cut.

Input range -99999.9999 to 99999.9999

Feed rate for plunging

Q11: Traversing speed of the

tool in the spindle axis. Input range 0 to 99999.9999;

alternatively FAUTO, FU, FZ

Feed rate for milling

Q12: Traversing speed of the

tool in the working plane. Input range 0 to

99999.9999; alternatively FAUTO, FU, FZ

Cylinder radius

Q16: Radius of the cylinder on which

the contour is to be machined. Input range 0 to

99999.9999

Dimension type? deg=0 MM/INCH=1

Q17: The

coordinates for the rotary axis of the subprogram are

given either in degrees or in mm (or inches).

Example: NC blocks

63 CYCL DEF 27 CYLINDER SURFACE

Q1=-8

;MILLING DEPTH

Q3=+0

;ALLOWANCE FOR SIDE

Q6=+0

;SET-UP CLEARANCE

Q10=+3

;PLUNGING DEPTH

Q11=100

;FEED RATE FOR PLNGNG

Q12=350

;FEED RATE FOR MILLING

Q16=25

;RADIUS

Q17=0

;TYPE OF DIMENSION

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