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HEIDENHAIN TNC 407 (280 580) User Manual User Manual

Page 231

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8-24

8

Cycles

TNC 407/TNC 415 B/TNC 425

Fig. 8.23:

Overlapping pockets: area of intersection

Fig. 8.22: Overlapping pockets: area of exclusion

Fig. 8.21:

Overlapping pockets: area of inclusion

8.3

SL Cycles (Group I)

A

B

A

B

A

B

Area of inclusion

Both areas (Element A and Element B) are to be
machined including the mutually overlapped
surface.

• A and B must be pockets.
• The first pocket (in cycle 14) must start outside

the second pocket.

15

LBL 1

16

L X+10 Y+50 RL

17

CC X+35 Y+50

18

C X+10 Y+50 DR+

19

LBL 0

20

LBL 2

21

L X+90 Y+50 RL

22

CC X+65 Y+50

23

C X+90 Y+50 DR+

24

LBL 0

Area of exclusion

Surface A is to be machined without the portion
overlapped by B:

• A must be a pocket and B an island.
• A must start outside of B.

15

LBL 1

16

L X+10 Y+50 RL

17

CC X+35 Y+50

18

C X+10 Y+50 DR+

19

LBL 0

20

LBL 2

21

L X+90 Y+50 RR

22

CC X+65 Y+50

23

C X+90 Y+50 DR+

24

LBL 0

Area of intersection

Only the area mutually overlapped by A and B is to
be machined.

• A and B must be pockets.
• A must start inside B.

15

LBL 1

16

L X+60 Y+50 RL

17

CC X+35 Y+50

18

C X+60 Y+50 DR+

19

LBL 0

20

LBL 2

21

L X+90 Y+50 RL

22

CC X+65 Y+50

23

C X+90 Y+50 DR+

24

LBL 0

The subprograms are used in the main program on page 8-23.