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Type: Posts; User: mhajicek

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  1. CPAP/BiPAP machines can be used for all but the...

    CPAP/BiPAP machines can be used for all but the worst cases:

    Ventilator shortage - CPAP machines to the rescue? - ValueWalk

    Elon Musk's ventilator donations can be used for severe COVID-19...
  2. My wife and I each have a CPAP. If we get the...

    My wife and I each have a CPAP. If we get the crud and can't get proper treatment we can stay home and use them. If my folks get it and can't get proper treatment we can sanitize our CPAPs and let...
  3. Ventilator/Respirator Hardware and Software...

    Ventilator/Respirator Hardware and
    Software Design Specification

    https://www.nxp.com/docs/en/application-note/DRM127.pdf

    Seems pretty complicated. Then there's all the regulatory hoops to...
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    What did your reseller say?

    What did your reseller say?
  5. It's only for the gantry mill, but they've got...

    It's only for the gantry mill, but they've got one.

    https://www.haascnc.com/productivity/spindles/20k-hsk-63f.html
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    Our TR160Y occasionally fails to lock the brake...

    Our TR160Y occasionally fails to lock the brake on the tilt axis. Once it starts acting up no amount of trying to cycle it will work. The magic spell is to take the cover plate off, cycle it a few...
  7. Chipping. Are you running coolant? Probably...

    Chipping. Are you running coolant? Probably best to cut with air blast; if you have to run coolant make sure it's constant to avoid thermal shock.
  8. I second cutting it in the hard. Best surface...

    I second cutting it in the hard. Best surface finish and dimensional stability, still good tool life, just cuts a tad slower.
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    Even if a portion of the students switched to...

    Even if a portion of the students switched to work-from-home it would reduce the risk for everyone.
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    Run enough parts to wear out at least three of...

    Run enough parts to wear out at least three of each cutter, record how much cut time and how many parts.
  11. Replies
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    Yeah, it'll get you something, which is always...

    Yeah, it'll get you something, which is always better than nothing. What types of operations are you spending your time waiting for? Stock models? Loading and saving? Toolpath verification? Are...
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    "Add .25 to the dimensions indicated." WTF?

    "Add .25 to the dimensions indicated." WTF?
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    10,447

    Make a silicone rubber finger tip for each user. ...

    Make a silicone rubber finger tip for each user. Put it on a keychain.
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    1,129

    I've been watching the Mastercam benchmarks since...

    I've been watching the Mastercam benchmarks since I was working for the local Mastercam reseller in 2000. Most functions in Mastercam, particularly those you'll be waiting measurable time for, use a...
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    Lots of trade show, tech shows, and conventions...

    Lots of trade show, tech shows, and conventions have already been cancelled. Much of Europe is on lockdown, and US companies and schools are implementing work from home. For me, my folks are in...
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    Have you tried putting your specific cut into the...

    Have you tried putting your specific cut into the Helical Machining Advisor? Could end up significantly faster with HSM and chip thinning accounted for.
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    Let me check. Ok, according to Passmark the...

    Let me check. Ok, according to Passmark the E5-2620 at 2.0GHz scores 1236, while the E5-2643 can score around 2000 depending on setup. My 4+ year old i7-6700K would score 2500 at 4.0GHz, but I run...
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    972

    Pandora with an ad blocker for me. Nothing but...

    Pandora with an ad blocker for me. Nothing but music.
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    Swapping the CPU will get you a meager...

    Swapping the CPU will get you a meager improvement. You can build a whole new system for $2600 to $3600, and it will run rings around what you have. I'd choose the CPU based on this list:
    PassMark...
  20. Probably radial broaching. You can see the tool...

    Probably radial broaching. You can see the tool marks in the radial direction.
  21. Would you listen to someone so uninformed that...

    Would you listen to someone so uninformed that they've never heard of Maritool?
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    I'd try 17-4 H900.

    I'd try 17-4 H900.
  23. Thread: Haas Warranty

    by mhajicek
    Replies
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    2,488

    When I got the 2015 VF-3SS with a 15K spindle I...

    When I got the 2015 VF-3SS with a 15K spindle I asked about duty cycle. They said I could run it at full speed all day every day. Knock on wood, so far so good; I do run the spindle warm up every...
  24. So you'd expect a machinist to bring their...

    So you'd expect a machinist to bring their rollcab to every interview?
  25. I like your method of saving floor space,...

    I like your method of saving floor space, mounting the machine upside down on the ceiling. I'm sure it helps with chip evacuation too!
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