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Type: Posts; User: ERUS

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  1. Replies
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    1,850

    Re: Drill & Tap Combination "DRAP"

    These work better. They max out at 2.5 x D.

    The tools I'm referencing are on pages 1 - 8.

    https://www.vargususa.com/portals/0/Docs/catalogs/eng/vardex-catalog.pdf
  2. Replies
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    34

    Re: Look Ahead During DNC/Drip Feed

    You don't have 0 look ahead. I forget the exact amount but I believe pre-1999 its around 30 lines or something like that.

    For drip feeding if you keep your feedrates at or below 100 ipm you...
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    Re: Teensy Weensy Drilling op help?

    There is no way 15 ipm will work with a .3mm drill bit.

    Max out the rpm and try a 0.0001" to 0.0002" chip load. At 15k rpm that puts you at a feedrate of 3 to 6 ipm. I would stay towards the...
  4. Thread: Inconel 600/625

    by ERUS
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    46

    Re: Inconel 600/625

    I have mostly done 718.

    My experience is the sfm has to be really low. like 50 - 150. Can't do huge depth of cuts. Inserts with a neutral rake will last longer preferable the harder grades.
  5. On the bottom left underneath the toolpath tree...

    On the bottom left underneath the toolpath tree there are a few buttons. Levels, planes, toolpath, solid. Select planes. For a haas lathe the plane is lathe upper left. Right click on the corret...
  6. What version of mastercam are you using?

    What version of mastercam are you using?
  7. Replies
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    78

    Re: rotary advanced PLEASE HELP

    Try this.

    The rotary diameter is the diameter of your part.
  8. Re: MULTIPLE WCS (G54, G55) IN MASTERCAM LATHE ENVIRONMENT

    Use the Planes.

    For your default plane set the work offset to manual and 0. Duplicate the plane, move your origin to where you want for G55 and set the work offset to 1.

    In the Parameters...
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    Re: Slightly sizing down a carbide drill

    +\- 0.0004 is a lot to ask from a drill bit.

    I can't find a drill bit in that range of specifications. The best I can find is a .1705 reamer. MSC part # 03371234, M.A. Ford, carbide.

    Best of...
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    Re: Feeds and Speeds 6061

    If you can find a 2 or 3 flute endmill it would work better.

    I would break the depth of cut in half and do .75 at a time with HSM. 1.5" might be too much for one go at it. I usually do a 30 -...
  11. Replies
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    Re: production run issues w/ ST20-SSY

    I believe you want G10. I have used it on a ST30-SSY successfully. This won't work on the HAAS Mills, the code is slightly different.


    For Lathe:
    G10 L2 P1 W-?

    L2 - Is for G54 - G59
    P1 -...
  12. Replies
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    Re: Creating and engraving text

    A lot of different ways to do the same thing. Stick font works wells for simple engraving. Like the previous poster said I use a contour tool path with cutter comp set to off and it will ride the...
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    Re: How slow can you turn aluminum?

    You can go as slow as you want as long as the machine has the torque to do it. There really is not a upper or lower limit with aluminum and carbide tools. At the upper end the problem becomes being...
  14. Re: Mastercam Stock awareness problem in 2017-2019

    I don't know if this will work in your application. I have had success saving the stock as a separate STL file, and using the STL to define the stock. Run the program in Verify up to the point that...
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    Re: Aluminum CNC Question

    I'm going to say the problem is the single flute cutter. Try a 2 or 3 flute with your feeds and speeds. Single flute end-mills are mostly for routers and\or cutting plastic.
  16. Replies
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    148

    Re: Thread Milling rules of Thumb

    5/16" isnt that small as far as threaded holes go.

    Climb milling gives you a better finish. Bottom to top for a right hand thread.

    For a 5/16-18 you have about 0.03" of thread depth per side....
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    Re: Help With Collet Identification

    To me it looks like a collet for a high speed holder. Lyndex-Nikken maybe?

    Could be a older style for the TG, SK or VC collet.
  18. Thread: Copper turning

    by ERUS
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    166

    Re: Copper turning

    Im using Mitsubishi Carbide. Anything for aluminum would work. Something with a polished surface will give you a cleaner looking part.

    I'm currently turning Copper Alloy 110 with:

    DNMG -...
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    Re: Trouble with spiral flute taps

    You can do a couple things.

    Spiral flute taps are by nature weaker than straight flute. More material has to be ground off the tap to achieve the spiral fluting.

    What I have done with...
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    Re: tips for 304 st st plate

    Normally 300 series requires a insert with a sharp\positive cutting edge. The problem is 300 series is notorious for its work-hardening abilities.

    The inserts you have will get you through the...
  21. Thread: Finish Passes

    by ERUS
    Replies
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    687

    Re: Finish Passes

    Cut and paste your roughing toolpath operation. Take out the multipasses or depth cuts so all that is left is the finish pass operation after the roughing operation.
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    Re: Help with narrow slots

    Yes.

    Chain drilling also isn't a bad idea.

    The problem with milling a slot that is as wide as the diameter of tool being used is that if for example the slot is 0.3125 +\- 0.001 it will be...
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    Re: Turning a friction weld

    Are you talking about making a friction weld on a cnc lathe, or cutting off material from a part that is already friction welded?

    If you are talking about using the lathe to friction weld a part,...
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    Re: Milling Deep pocket ?

    Personally I would go with a extended reach. I'm not sure what size the radius in the corners is, which impact the diameter tool you would need, but something like this would work.

    1/2 Inch Diam,...
  25. Re: MY END MILL IS COLD- HOW IS THIS POSSBLE??!

    I know a few people from Haas and Mastercam. They were playing around with feeds and speeds on dynamic toolpaths, which always cut at the same stepover and don't allow the tool to go into a corner....
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