Re: MasterCAM post processor for EMC, anyone?

["zhang_sdu" <crzhang-at-sdu.edu.cn>]

Fred,
Test this post and let me know the results.
Darrell

----- Original Message ----- 
From: Fred Proctor <frederick.proctor-at-nist.gov>
To: Multiple recipients of list <emc-at-nist.gov>
Sent: Wednesday, July 19, 2000 2:37 PM
Subject: MasterCAM post processor for EMC, anyone?


> 
> EMC folks,
> 
> Does anyone have experience writing MasterCAM post processors, and could
> do it for the EMC dialect? emc/programs/skeleton.ngc is a typical
> program.
> 
> I ran a part through the MasterCAM Fanuc post processor, or another
> fairly common one, and noted the following errors when I ran the NC code
> on the EMC:
> 
> 1. Prologue line "G0 G80 ..." doesn't work. You can't have G0 and G80 on
> a single line. One solution is not to put G0 on this line, and force G0
> for the first rapid.
> 
> 2. M00 is the program pause. M01 (optional stop) doesn't work.
> 
> 3. There's no G28, which is commonly used for a rapid spindle-to-home.
> Use "G53 G0 Z0" instead. G53 inhibits program offsets for that block
> only.
> 
> 4. M2 is the program end. Some posts do M30, or M60.
> 
> 5. The dwell time parameter (for G4 and some canned cycles) is "P
> <seconds>", e.g., "G4 P1.5" dwells for 1.5 seconds. Some posts generate
> a P value in milliseconds.
> 
> --Fred
> 


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