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HEIDENHAIN TNC 407 (280 580) User Manual User Manual

Page 222

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8-15

8

Cycles

TNC 407/TNC 415 B/TNC 425

8.2

Simple Fixed Cycles

Y

X

20

100

15

55

80

40

R5

Example: Rectangular pocket milling

Pocket center coordinates:

X

= 60

mm

Y

= 35

mm

Setup clearance:

2

mm

Milling depth:

10

mm

Pecking depth:

4

mm

Feed rate for pecking:

80

mm/min

First side length:

80

mm

Second side length:

40

mm

Milling feed rate:

100

mm/min

Direction of cutter path:

+

POCKET MILLING cycle in a part program

0

BEGIN PGM POCKET MM

1

BLK FORM 0.1 Z X+0 Y+0 Z–20

2

BLK FORM 0.2 X+110 Y+100 Z+0.......................Note: BLK FORM has been changed!

3

TOOL DEF 1 L+0 R+5

4

TOOL CALL 1 Z S1000

5

CYCL DEF 4.0 POCKET MILLING

6

CYCL DEF 4.1 SET UP +2 .................................. Setup clearance

7

CYCL DEF 4.2 DEPTH –10 ................................. Milling depth

8

CYCL DEF 4.3 PECKG +4 F80 ............................ Pecking depth and feed rate for pecking

9

CYCL DEF 4.4 X+80 ........................................... First side length of pocket

10

CYCL DEF 4.5 Y+40 ........................................... Second side length of pocket

11

CYCL DEF 4.6 F100 DR+ RADIUS 0 .................. Feed rate and direction of cutter path

12

L Z+100 R0 F MAX M6

13

L X+60 Y+35 F MAX M3 .................................... Pre-positioning X and Y (pocket center), spindle on

14

L Z+2 F MAX ...................................................... Pre-positioning Z

15

CYCL CALL ......................................................... Cycle call

16

L Z+100 F MAX M2

17

END PGM POCKET MM