Yaskawa J50M Instructions - Manual (Page 48)

2.9.19 TOOL RADIUS COMPENSATION C
(G40, G41, G42) (Cent’d)
D. Shape requiring care
Do not program a wedge shape having an
accute angle.
G42
5.
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.
The intersection is
located at a far point
Increase
the angle
G42 ,
I
(a) Wrong
Where the tool cannot
enter the wedge shape,
the intersection
is located on the opposite
s i d e .
G41
I
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r
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Command involving no movement in compen-
sation mode
(b) Correct
Program a
the entry
path allowing
of the tool.
2.38
The blocks withno coordinate instructions
can be processed continuously up to two
blocks .
When coordinate instructions are
missing in three or more blocks, tool radius
compensation becomes impossible and accurate The control normally reads in advance two
blocks during tool radius compensation mode
and computes the tool path. If either of tool path cannot be Therefore, in
these blocks give no coordinate instructions a Program where G41 or G42 is used, ensure
such as (dwell) , the control reads the that, after them, three or more blocks without
block further ahead and makes computing. movement command plane will not follow.
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