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Type: Posts; User: simonrafferty

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  1. Replies
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    Re: Emco vmc100 + ATC + mach

    I am! (willing to share). I was sure I'd written this up, maybe on the Mach Forum - I'll have a look!
    https://www.machsupport.com/forum/index.php?topic=42987.msg278653#msg278653

    The macro is on...
  2. Replies
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    Re: Replacing Pendant brain file with lua

    Pendants on Mach4 are a tricky one! There is (was) only one 'approved' pendant which was expensive & didn't do what I wanted - so I set about building one!

    I'm using a CSMIO/IP-M controller and...
  3. Re: How to run a Fanuc Red Cap motor with an Allen Bradley Ultra 3000

    Thanks - I searched high & low for that info! One of the brief options was to use an Arduino or similar to convert the Grey code into the same format as regular Hall sensors.

    I have no doubt it...
  4. Re: How to run a Fanuc Red Cap motor with an Allen Bradley Ultra 3000

    That was pretty much my first thought. Unfortunately the Y motor is so burried, it needs the machine completely stripping down to access it. The Z motor was hard enough (god knows how I'm going to...
  5. How to run a Fanuc Red Cap motor with an Allen Bradley Ultra 3000

    I've been trying to get this to work on & off for a year, without much success! Then today I had a brain wave!
    450542

    My motors are Fanuc A06B-0310-B002 on a Denford Cyclone Lathe. I suspect...
  6. Re: OT-B - Is there a way to reduce Spindle Acceleration / Current Draw?

    Thanks 'Heavy Metal'.
    Changing the spindle parameters seems to have worked. The spindle ready line only enables when it gets up to speed, so although it's taking 2x as long, execution of the next...
  7. Re: OT-B - Is there a way to reduce Spindle Acceleration / Current Draw?

    I agree it seems on the high side. The original rating plate is missing - it just has "27Hp / 50A / 415v" written on the side in black marker pen.

    The inverter, being rated at 10kW but still...
  8. Re: OT-B - Is there a way to reduce Spindle Acceleration / Current Draw?

    Thanks for the lead. They look pretty good.
    The problem is still that I don't have enough mains coming into the building to supply the 20Kw it requires. A better inverter (with bigger Capacitors)...
  9. Re: OT-B - Is there a way to reduce Spindle Acceleration / Current Draw?

    Thanks Dr Dos - I hadn't thought of that. I had assumed that everything would be set through the machine parameters. Obvious when I think about it! (Doh!)

    Just in case it helps anyone else, the...
  10. OT-B - Is there a way to reduce Spindle Acceleration / Current Draw?

    I have a Denford Cyclone which I'm running from a 10kW 3 Phase Converter. The rating plate on the machine is 27HP (roughly 20kW)

    It works pretty well - except when you spin up the spindle too...
  11. Replies
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    8,572

    Re: Emco vmc100 + ATC + mach

    I'm in the process of a similar conversion on a PCMill 100 - which appears similar to the VMC.

    At the moment I'm planning on driving the original VFD - which either operates as a spindle with...
  12. Re: Any User Input?? - Hind Technologies / Masso HTG5A1S Controller

    I bought a 5 Axis Masso - and am starting to wonder if I made a good choice!

    I've built a multi-purpose Plasma / Router / Milling Table. I bought the 5 Axis version so I could run a slave axis...
  13. Re: PCMill 100 with intermittent "2520 ORD 1 RS485" Error

    After a few goes, wiggling cables - the error cleared itself.
    I've spent a few weeks trying to figure out the (horrible) software - but now the same error has reappeared!

    Decision made - change...
  14. PCMill 100 with intermittent "2520 ORD 1 RS485" Error

    I have a new to me PC Mill 100 - which looks like it's never been used, very clean & new looking!

    The PC has clearly been replaced at some point - but it appears to work.

    If I switch on,...
  15. Re: Has anyone had success with DIY HF-pilot start?

    I've been CNC cutting with a Hypertherm as well as a nasty Chinese cutter and most recently an R-Tech 50A Plasma, all of which have been HF start.

    If you believe what you read on most threads /...
  16. Replies
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    In a previous life, I was involved with a company...

    In a previous life, I was involved with a company who made gearboxes with what they described as controlled backlash which were used in robotics.
    They realised that when you are moving rapidly, you...
  17. Replies
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    My little contribution to the Hypocycloid theme....

    My little contribution to the Hypocycloid theme.

    I have modified the Rhino Script Zoidberg Posted to work with Rhino4. On my copy at least, it did not have the ATan2 function - so I coded this...
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    It's surprisingly good. The main problem is the...

    It's surprisingly good. The main problem is the copper is exposed and tends to oxidise and break contact - so it needs cleaning if it's been left a long time.

    The repeatability of it is within a...
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    "Hole Saw" 3D Touchprobe

    YouTube - CNC 3D Touch Probe

    I've been building an Automatic Tool Changer for my Lathe - which has stalled while I wait for a Gecko driver to arrive - so my lathe is out of action. I...
  20. Replies
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    $2k sounds a bit steep for a machine which will...

    $2k sounds a bit steep for a machine which will probably require the controls replacing in the not too distant future even if they work at the moment.

    If you have already bought it - it shouldn't...
  21. Spindle drive / motor on Series 2 Mk 1

    I recently converted my Bridgeport to Mach3 - and it has been fantastic! Unfortunately, this evening the Mentor II spindle drive died (lots of smoke!).

    A used replacement looks like it will cost...
  22. Replies
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    That's an idea too! I have all the wiring for...

    That's an idea too!
    I have all the wiring for 4th & 5th Axis - but no servo drivers. I also have a nice indexing head that could easily grow a stepper motor. Then just run it without closed loop...
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    Fantastic! That's exactly what I was hoping...

    Fantastic!

    That's exactly what I was hoping for!

    It will potentially be useful for others as well since one of these + a Step Dir servo controller are about $250 compared with $500 for the...
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    Thanks Al, Unfortunately, in Europe there is...

    Thanks Al,
    Unfortunately, in Europe there is almost nothing listed on eBay. There are several companies selling apparently re-conditioned drives but as I've found, they are very expensive and...
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    Converting to +/-10v Possible?

    I have a Bridgeport Interact with a dead servo drive. A replacement is going to cost me best part of $1000 and the one that has blown was replaced with a 'reconditioned' drive 12 months ago - so I'm...
  26. After a bit of digging, I found the following...

    After a bit of digging, I found the following document:
    http://www.apator-control.katowice.pl/opis/maestro/midimaximaestro.pdf

    Which lists the functions & connections on the Mini Maestro drive.
    ...
  27. Maybe not!

    Sorry to drag this thread up again.
    Over the past year I have replaced all three servo drives at £360+Tax each. Last night, half way through a job, there was a pop from inside the control cab - and...
  28. Thanks for all your help - I am going to order a...

    Thanks for all your help - I am going to order a repaired drive for £360 with a warranty - hopefully it will be OK!

    Si
  29. I'm in Horsham - near Gatwick Airport. I have...

    I'm in Horsham - near Gatwick Airport.

    I have spoken to CT - and they were very helpful.

    Regards,

    Si
  30. Sorry - it is Control Techniques. Control...

    Sorry - it is Control Techniques. Control Solutions was a project I worked on years ago!

    Thanks for the info, I'll give them a try. You are right about the number of rip-offs out there! £1200...
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