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"We used a generic Fanuc post modified for Siemens. Every program needed an hour of hand-editing for CYCLE800. Now with a dedicated Mastercam post, we click 'Post' and go straight to the machine. Our setup time dropped by 70%."
Mastercam, by default, outputs code structured for a Fanuc or Haas control. This includes standard G-codes (G00, G01, G02/G03) and fixed cycles (G81 drilling, G84 tapping). The Siemens 828D accepts this ISO dialect—but that’s like driving a Formula 1 car in first gear. siemens 828d post processor for mastercam
The Siemens 828D supports inverse time feed rates ( G93 ) for multi-axis simultaneous motion. Ensure your post seamlessly toggles between regular linear feed per minute ( G94 ) and inverse time to prevent jerky toolpath movements.
Ensure your post properly outputs the pitch parameter ( PIT ) for metric or imperial threads within CYCLE84 rather than relying on a synchronized feed rate formula that can vary by machine parameters. How to Obtain a Certified Post Processor BobCAD-CAM Inc
Customers on an active Mastercam Maintenance plan generally receive access to these certified posts at no additional cost as part of their subscription. Included Documentation
Mastercam’s drilling operation (standard peck cycle) should output: Every program needed an hour of hand-editing for CYCLE800
Sub-programs like CYCLE81 (drilling), CYCLE83 (peck drilling), and CYCLE84 (rigid tapping).
A generic Fanuc-style post processor will not allow you to leverage the best features of your Siemens 828D control. Your dedicated Siemens post should support several critical functions: 1. High-Speed Machining (CYCLE832)
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Always set omitseq$ : yes in the post. The 828D hates long, sequential N-numbers (N0001, N0002...) if you edit the program on the control. It prefers clean, minimal code.