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  1. #221
    Registered G59's Avatar
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    Default

    Ok John, what? No updates anymore???



  2. #222
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    Default Re: MORE HP for PCNC

    Been very busy designing and fabricating other components for this machine. the TTS tooling cannot use all 5hp so I have a new power drawbar with 3600lb of force and a new modified Hardinge collet, I cut much more aggressively now with TTS but I don't any firm quantitative test results to publish yet, waiting to push the rpm up to 8k.
    Been working towards a highly modified version of PP to accommodate everything I need moving forward.

    I'm putting together a new website dedicated to all the professional upgrades I'll eventually make available as upgrades to greatly enhance the PCNC's commercial production capability. Things that will have a 12 month ROI, more chips faster + more money quicker if you are making some of your living with a PCNC.

    jh



  3. #223
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    Default Re: MORE HP for PCNC

    Don't forget to upload videos! Talk is cheap. :/



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    Default Re: MORE HP for PCNC

    that's right, videos cost yours truly way more.

    jh



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    Default Re: MORE HP for PCNC

    Can you please post the model and source when you can for:
    Motor
    VFD
    Pulley
    Belt

    You are running on standard 220vAC single phase, right?

    I don't want 5 HP, but maybe they have something in the 2+ HP range. My mill will use a Tormach 770 cartridge, and I'm still trying to decide what motor to use.
    Thanks!
    -Steve



  6. #226
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    Default Re: MORE HP for PCNC

    There are brushless AC servos that put any VFD + 3ph motor to shame on a lb per lb basis. This motor weighs about 8 lbs and genertes 3.23kW (4.33hp) of power with a top speed of 4500 rpm. Its about 1/4th the size of the current PCNC 1100 motor:

    MORE HP for PCNC-20150926_170856-jpg

    Kollmorgen 3 23KW Brushless Servo Motor AKM53K CCCNR 00 Working But Damaged | eBay



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    Default Re: MORE HP for PCNC

    Wow, that's bad ass

    Sent from my SM-G900V using Tapatalk



  8. #228
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    Default Re: MORE HP for PCNC

    +1

    Steve's right. The 1100 is a well designed, thoughtfully specified machine that lives within a sweet spot for power, speed, and tooling. Like the venerable Chevy 409, it can be stroked and bored, but the base engine is a solid performer. It is becoming -perhaps has already become- a classic of its type.

    I can think of no greater accolade for Greg Jackson.



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    Default Re: MORE HP for PCNC

    Unfortunate that John hasn't been back in the last 10 months to update this thread.

    I would like to see how he has morphed his Tormach since this.

    John?

    Tim
    Tormach 1100-3 mill, Grizzly G0709 lathe, PM935 mill, SolidWorks, HSMWorks.


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    Default Re: MORE HP for PCNC

    I saw the link on CNCCookBook. I just upgraded pumps. I started to build the ring that popspipes describes but not having an o-ring in the 2" range, I went to the plumbing store nearby on Sunday. The only one close really was a LASCO #95, 1-3/4" ID, 2-1/8" OD, 3/16" thick. I was fighting with it because I didn't have a cutter that would go deep enough and it wouldn't go on even when I was widening the slot. Then, just for grins, I put the O-ring on the spindle by itself. It's hard to describe how well it fits and covers the ID of the seal. Good enough for now and since I had already put some silicone grease on it, I just left it on,



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