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HEIDENHAIN TNC 410 ISO Programming User Manual

Page 318

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292

8 Programming: Cycles

8.8

C

y

cl

es f

o

r Mu

lt

ip

ass Millin

g

U

U

U

U

Starting point in 1st axis

Q225 (absolute value):

Starting point coordinate of the surface to be
multipass-milled in the reference axis of the working
plane.

U

U

U

U

Starting point in 2nd axis

Q226 (absolute value):

Starting point coordinate of the surface to be
multipass-milled in the minor axis of the working
plane.

U

U

U

U

Starting point in 3rd axis

Q227 (absolute value):

Starting point coordinate of the surface to be
multipass-milled in the tool axis.

U

U

U

U

2nd point in 1st axis

Q228 (absolute value):

Stopping point coordinate of the surface to be
multipass milled in the reference axis of the working
plane

U

U

U

U

2nd point in 2nd axis

Q229 (absolute value):

Stopping point coordinate of the surface to be
multipass milled in the minor axis of the working
plane

U

U

U

U

2nd point in 3rd axis

Q230 (absolute value):

Stopping point coordinate of the surface to be
multipass milled in the tool axis

U

U

U

U

3rd point in 1st axis

Q231 (absolute value):

Coordinate of point

3

in the reference axis of the

working plane

U

U

U

U

3rd point in 2nd axis

Q232 (absolute value):

Coordinate of point

3

in the minor axis of the working

plane

U

U

U

U

3rd point in 3rd axis

Q233 (absolute value):

Coordinate of point

3

in the tool axis

U

U

U

U

4th point in 1st axis

Q234 (absolute value):

Coordinate of point

4

in the reference axis of the

working plane

U

U

U

U

4th point in 2nd axis

Q235 (absolute value):

Coordinate of point

4

in the minor axis of the working

plane

U

U

U

U

4th point in 3rd axis

Q236 (absolute value):

Coordinate of point

4

in the tool axis

U

U

U

U

Number of cuts

Q240: Number of passes to be made

between points

1

and

4

,

2

and

3

.

U

U

U

U

Feed rate for milling

Q207: Traversing speed of the

tool in mm/min while milling. The TNC performs the
first step at half the programmed feed rate.

Example: NC blocks

N72 G231 Q225=+0 Q226=+5 Q227=-2
Q228=+100 Q229=+15 Q230=+5 Q231=+15
Q232=+125 Q233=+25 Q234=+15 Q235=+125
Q236=+25 Q240=40 Q207=500 *

X

Z

Q236

Q233
Q227

Q230

Q228

Q225

Q234

Q231

11

12

13

14

X

Y

Q229

Q207

N = Q240

Q226

Q232

Q235

11

12

13

14