Yaskawa J50M Instructions User Manual

Page 53

Cautions and remarks tool

compen-

sation C

A .

Maximum programmable dimensions (Refer to
Table 2. 14) is not changed even in tool
radius compensation C.

Programmed shapes that produce input
errors

Input error “ 045” occurs with the follow-
ing programmed shapes.

(1) When programming an inside arc with tool

(3) When reversing command or an

to reversing

is programmed

i n

(Outside Corner Circular Arc Point

Off)

mode.

compensation, if

Programmed arc radius r + 5 (setting unit)

5: 0.001 (in mm)

: 0.0001 (in inches)

TOOL

‘r

(a) Outside compensation

(b)

c o m p e n s a t i o n

(b) Command close

Note:

With the

to reversing

circular arc com-

mand,

tangent angle

a l o n e i s i n s u f f i -

c i e n t .

Fig. 2.48

In M96 mode, all of the above shapes are
correctly compensated.

Input errors occur when the following G codes
are programmed in compensation mode.

e r r o r

Prohibited G codes

G codes causing

G13

to G19)

input errors

G28, G29

Outside compensation

is correctly made
even when

Fig. 2.46

(2) When

intersection point exists

locus of the offset tool center.

on the

N o – i n t e r s e c t i o n
error occurs when

tool

radius is too

large relative to

the programmed shape.

Fig. 2.47

G74, G76, G77

G81 to G 8 9

G92

* If a “reset operation” is performed in compensa-

tion mode, compensation is

and G40

remains.

Tool radius compensation C is applied to
the movement path offset by tool length
offset and tool position offset.

H o w e v e r ,

in principle, avoid applying compensation

C to the path using tool position offset
for compensation of tool radius.

When programming G41, G42 and

GOO

or GO1 and an F code should be program-
med in the same block or in a preceding
block.