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Type: Posts; User: lens42

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  1. Re: Question on measuring runout. Getting high TIR from Techniks holders

    Sorry for the many month delay. I don’t seem to get notifications
    ...
  2. Thread: TTS pull-out

    by lens42
    Replies
    10
    Views
    1,091

    Re: TTS pull-out

    The TTS pullout causes the chatter. I know because I’ve had cuts sound fine, and then start that screech. Stop immediately when it screeches and I bet you can slide a paper between the TTS flange and...
  3. Replies
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    547

    Re: PCNC 1100 vs 770MX ??

    I would lean toward the 1100. A small envelope, when you need something bigger, is a major limitation. The extra room also helps with setups even if you don’t need the travel. Also, rethink the...
  4. Thread: Renishaw Probe

    by lens42
    Replies
    185
    Views
    41,200

    Re: Renishaw Probe

    Seems like the easiest path to TTS is to start with a machinable TTS blank, unless you have something lying around an don't want to spend the $20....
  5. Re: Question on measuring runout. Getting high TIR from Techniks holders

    Thanks for the reply. What I have are 16000-2016M, which according to Techniks, are for Hass compact and office mills and are spec'd at 0.0001" TIR. I can't find any Techniks ISO 20 holders that are...
  6. Question on measuring runout. Getting high TIR from Techniks holders

    I got a used, but in very nice shape, 2018 Haas CM-1 (small office mill) with some Techniks ISO-20 ER16 holders. These holders are about $200/ea, so I figured I'd try out a $70 eBay Chinese holder to...
  7. Thread: Renishaw Probe

    by lens42
    Replies
    185
    Views
    41,200

    Re: Renishaw Probe

    Nice find. If the boots are good shape, then even better. Mine started sticking a bit after about a year. After a trigger, it would stay on. It appeared to be from the oil I put in. I had no idea...
  8. Thread: New R8 Collet

    by lens42
    Replies
    10
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    2,480

    Re: New R8 Collet

    Looks to me like the new collet would be more independent of variations in spindles. For example, if there were slop in how the straight part transitioned to the taper, the new collet wouldn’t care....
  9. Replies
    8
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    1,894

    Re: Tension Compression tapping help

    Here it is. Generated by PP Conversational

    (Mill - Pattern Tap G-code generated: Wed Jun 24 14:46:39 2020)
    (PathPilot Version: 1.9.1)
    (Description = alum clamp 12 hole)


    (Units = G20 inches)...
  10. Replies
    8
    Views
    1,894

    Tension Compression tapping help

    I have a 770 Series 3 and a TC tapping head. I'm trying to tap 6-32 in 1/4" thick 6061 using high-speed mode at 800 RPM with a good HSS spiral flute tap. Yes, I calibrated speed. I'm using...
  11. Replies
    8
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    678

    Re: 440....is it worthy? or 770?

    The only reason I would get a 440 is if I didn’t have room for a bigger machine. Find some other way to save money - eBay tool holders, make your own coolant pump, skip the expensive probes, shower...
  12. Replies
    15
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    3,854

    Re: Taigmach vs Tormach 440

    This decision always comes down to whether you want build a machine, or make parts. Spec-for-spec, you can probably beat the Tormach, but that never accounts for the year you spend building and...
  13. Replies
    29
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    4,174

    Re: Talk Me Out of a Tormach 770

    770 for sure. After you add up cost of tooling, work holding, cooling, etc. (which are pretty much the same for 770 or 440), the 770 is probably about 10% more $. 440 only makes sense if don’t have...
  14. Re: About 20 Months Later - Would I Buy Another One? - PCNC1100

    I think more fence-sitters will buy Tormachs than not based on this review because it peels away the hype. I’m a 770-3 owner and my experience has been similar. I don’t push it, and have avoided the...
  15. Replies
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    8,355

    Re: Cambam limitations.

    Last I looked, Cambam hadn't been updated for several years. I guess, as long as it works, that shouldn't matter, but it makes me wonder if I should invest time in it.


    Sent from my iPhone using...
  16. Replies
    14
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    1,940

    Re: Tormach manual controls

    I’ve found MDI to be better than wheels. I end up typing in G1 moves, say on X or Y, then if the cut isn’t quite enough, I can dial Z down a bit and hit the up arrow to rerun a previous move. It’s...
  17. Replies
    12
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    1,604

    Re: Spindle Frequency?

    One thing to try would be to test the spindle while NOT attached to machine. The idea would be to break a ground loop that might be through the machine. Odds of this fixing it are small, but it’s...
  18. Replies
    12
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    1,604

    Re: Spindle Frequency?

    Maybe a silly question, but are you sure you grounded the VFD the machine?


    Sent from my iPhone using Tapatalk
  19. Replies
    19
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    2,693

    Re: Tormach T/C Tapping head... defect?

    It’s definitely different construction from the one that takes quick-change collets. When I emailed Tormach to ask how to take mine apart, they didn’t even know how. They only knew how to disassemble...
  20. Replies
    19
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    2,693

    Tormach T/C Tapping head... defect?

    My TC head was very rough sliding. I took it apart (the hidden screw mentioned by another replier is key) and hit all the sliding surfaces with emory cloth (can’t remember the grit). One part that...
  21. Replies
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    2,854

    Re: Rigid Tapping #8-32

    I don’t know if it would impact retraction lag because I haven’t used my Modular TC head much, but I noticed when I got mine that axial motion was VERY rough when pulling/releasing the sliding...
  22. Re: Solid CNC Router for milling aluminum with the option to upgrade to 5 axis

    If you want to actually cut metal and not spend months d!cking around trying to coax a machine (i.e. hobby router) into doing more than it was designed for (cutting wood/plastic) get a small Tormach...
  23. Replies
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    1,610

    Re: Finished Renishaw.

    Here’s a link to a Renishaw probe conversion with details on one way to deal with the boots. This was for an MP11, but the MP3 should be pretty similar....
  24. Is there a standard for ER20 chuck flats on body?

    I just got some TTS ER20 chucks from cncmachinetool on eBay. I’ve ordered before and have been satisfied. These latest ones need a 24mm wrench for the body. The old ones (and Tormach’s) are 22mm...
  25. Replies
    12
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    2,272

    Re: Yet another DIY enclosure - for PCNC 770

    I checked the Kurt D60 and it does fit. The door can close. I tried to find the the folded sheet metal Y bellows cover on the web, but I cant find it. To incorporate something like that you's have...
  26. Replies
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    2,272

    Re: Yet another DIY enclosure - for PCNC 770

    I’m not 100% sure about a 6” Kurt fitting with the doors closed. I can check. I keep a 4” vise on there most of the time. I’ve two things I might have done differently. One is that I would have water...
  27. Thread: Renishaw Probe

    by lens42
    Replies
    185
    Views
    41,200

    Re: Renishaw Probe

    For those following, here is likely the final edition of the MP11 saga. It now includes the electrical info and some notes on adjustment. I got it dialed in to 0.0002 and am pretty satisfied....
  28. Thread: Renishaw Probe

    by lens42
    Replies
    185
    Views
    41,200

    Re: Renishaw Probe

    Mine doesn’t have IR, just a 4 pin connector. Did the IR transmitter plug into the connector? Next, I will be making up a cable to plug in to the Tormach. There seems to be enough electrical info in...
  29. Thread: Renishaw Probe

    by lens42
    Replies
    185
    Views
    41,200

    Re: Renishaw Probe

    I did a boot repair on my MP11 using baby bottle nipples if anyone is interested. I of course don't have any long term indication of how this will work, but it seems OK so far. Rather than fill up a...
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    864

    Re: Coolant cram through stand solved

    How clean do you have to get it before spraying? I don’t use flood but have way oil seeping into the computer cabinet. I’m worried that oil residue in the cracks will prevent a spray sealant from...
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