Most machines running in DNC mode are not running from memory, so the code comes in, gets executed and is discarded. So, jumps cannot be carried out unless your DNC software is smart enough to actually go and fetch the code when it encounters a jump command, and yet should not actually send the jump command to the cnc.
Write the program out longhand is the best way, IMO, using CAM makes this not too onerous to carry out.
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(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |