Chapter Three Programming
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Part 1 Programming
c) Positive or negative offset value and tool center path
If the offset value is negative (-), which equals to change the G41 and G42 in the program.
Therefore, if the original tool center moves along the outer side of the workpiece, the current one then
moves along the inner side, and vice versa.
The following figure shows an example, normally, the offset value is programmed in positive.
The tool path is shown as Fig. (a), if the offset value is negative, the tool center is shown as Fig.
(b), and vice versa. Therefore, the same program can be shared by the male and female modals, and
its interval between them can be adjusted by selecting an offset value (The start and cancel can also
be used if they are type A.)
d) Overcutting caused by cutter compensation
(i) When machining an arc which is less than the tool radius
When the specified arc radius is less than the tool radius, the overcutting may occur due to the
inner offset of a tool, the alarm No.41 may generate at the start of the previous block and the
operation stops. However, during the single block operation, tool stops after completing the
program, the overcutting may issue. In this case, the tool operation is same as the alarm No.41
as follows:
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Страница 297: ...Appendix 285 APPENDIX Appendix 1 System Version Display The system version is displayed immediately after power on ...
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