16 Automatic Geometric Calculations

Fig. 16.2-1

For

exampl

e:

 

G17 G90 G0 X57.735 Y0 ...

G1 G91...

 

X100 ,A30

(this specification is

 

equivalent to X100 Y57.735

 

where 7.735=100Atg30°)

Y100 ,A120

(this specification is

 

equivalent to X-57.735 Y100

 

where !57.735=100/tg120°)

X-100 ,A210

(this specification is

 

equivalent to X-100 Y-57.735

 

where !57.735=!100Atg30°)

Y-100 ,A300

(this specification is

 

equivalent to X57.735 Y-100

 

where 57.735=!100/tg120°)

 

Fig. 16.2-2

LNote:

– Straight line with angle together with chamfer or corner rounding can be defined in one block. For example:

X100 ,A30 ,C5

Y100 ,A120 ,R10

X-100 ,A210

Angle specification at address ,A can also be applied in drilling cycles. In this case it is acknowledged in the course of positioning execution in the selected plane.

For example block

G81 G91 X100 ,A30 R-2 Z-25

is equivalent to the block below:

G81 G91 X100 Y57.735 R-2 Z-25

121

Page 121
Image 121
NCT Group 99M, 2000M manual Is equivalent to the block below