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Showing content with the highest reputation on 07/29/2017 in all areas

  1. You should upload a Zip 2 Go file (create inside Mastercam), so that someone can help you. Just looking at your NC code doesn't help us help you. We need to see the 'input' to the post. Make sure you check the 'Toolpaths' button so we get a copy of your Mastercam file in the Zip package. There are a dozen or more Post Blocks inside the Post that control Subroutine output. Along with those Post Blocks, there are a bunch of Command Variables that influence the output, and pre-defined variables that grab NCI data. You also have to know how MP reacts to the 1018 and 1019 trigger lines, and if the Subroutine is Transform or Non-Transform. So we can't just say "oh, go here and make this edit", without knowing a lot more about your tool path settings, and seeing the way that your Mastercam is built.
    1 point
  2. Hi! Not quite sure here, but have you checked if maybe this has to do something with your issue? see attached image of control definition, from Machine, Job setup group, Control definition It is not so much info other than your trouble, a sample file will help other gurus here if this not solve it for you, which post you are using, what cycle etc etc. anyway, hope this helps something at least! Geir
    1 point
  3. I'll ask some questions on Monday Ara. If service has been an issue, then I'd be worried as well. Service is everything with a machine as expensive as these are. Have you ball-bar tested the 3X machine? Checked the Perpendicularity of the spindle to the table? Have you swept the table with an indicator to check that it is perpendicular to the spindle taper? To do those tests "right" you need accurate gages. I'd recommend getting a Tool Holder Test Bar (Big Kaiser, Techniks, and Command have them), which is basically just the tool holder taper interface, with a precision cylinder attached. You load it like a regular tool in the spindle, and mount your indicator vertically on a test stand facing the operator. Sweep the X axis on the indicator tip to find the high point, then tram the Z axis up and down. Then, re-mount the indicator on the right (or left) side, sweep the Y axis, and repeat the procedure. That will show you tilt about Y and about X for the Z axis. You can then mount an indicator in a drill chuck or other attachment, and sweep the indicator tip over the machine table. A 3rd test I would do is to mount the test bar in the spindle, put the spindle in neutral, and check the run out at the base, and at the tip of the tool. It is possible that the Z axis motion is "square" to the table, but the taper cone of the tool interface is crooked, which causes your tool to spin in a slight "cone" shape. The path of your endmill flutes end up creating a frustum that is very small, but noticeable when checking the parts. This effect is magnified at higher spindle speeds. What kind of holders are you using with your machine? Do you have something good like heat-shrink or hydraulic clamping? (I would think so where you work...)
    1 point

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