异型螺纹的加工就是其中典型的代表。G 32、G92、G76等指令仅限于用成型刀加工螺纹，不能满足异型螺纹的车削。
Generally, existing NC instructions, for example G32, G92, G76 etc, are limited in machining threads with forming cutter, which can not be used to turning nonstandard threads.
异型螺纹的加工就是其中典型的代表。G 32、G92、G76等指令仅限于用成型刀加工螺纹，不能满足异型螺纹的车削。
Generally, existing NC instructions, for example G32, G92, G76 etc, are limited in machining threads with forming cutter, which can not be used to turning nonstandard threads.
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