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  1. #1
    Hi all..

    Been a while since I was on this forum, have now moved into a council property, with no garage..! I have tried to build a wall mounted cnc but just cant get round the noise problem... So have decided to scale down to a small desktop cnc (400mm x 400mm). I could start chopping up my rails and ballscrews, but seems the wrong way to go about this...
    I will compile a list of the stuff I have in more detail but roughly it is as follows;

    2 x 2mt 20mm supported rail + 4 bearing blocks
    2 x 1.4mt supported rail + 4 bearing blocks
    2 x 25mm ballscrews (machined to fit nema 34 mounts)
    2 x 25mm ballnuts
    1 x 16mm ballscrew (machined to fit nema 23 mount)
    1 x 16mm ballnut
    2 x nema 34 mounts
    2 x nema 34 motors (4 wire 6N motors)
    70v PSU and two drivers for the nema 34's..

    I will get specs and serial numbers etc later today or tomorrow...
    As I mentioned, I am scaling down so these will be up for sale or swap..

    Any more info needed, just ask!

    Steve...

  2. #2
    Could be interested in the 2 nema 34 pm me a price buddy

  3. #3
    Hi D-man..
    Just the motors? I have the mounts, drivers and psu that goes with them too...

    Steve..

  4. #4
    Yeah just the motors. Which drivers are they? Drop me a price for both bud

  5. #5
    Quote Originally Posted by fasteddy View Post
    Hi all..

    Been a while since I was on this forum, have now moved into a council property, with no garage..! I have tried to build a wall mounted cnc but just cant get round the noise problem... So have decided to scale down to a small desktop cnc (400mm x 400mm). I could start chopping up my rails and ballscrews, but seems the wrong way to go about this...
    I will compile a list of the stuff I have in more detail but roughly it is as follows;

    2 x 2mt 20mm supported rail + 4 bearing blocks
    2 x 1.4mt supported rail + 4 bearing blocks

    1 x 16mm ballscrew (machined to fit nema 23 mount)
    1 x 16mm ballnut

    70v PSU and two drivers for the nema 34's..



    Steve...
    Am interested in the above, is the 1.4mt rail 20mm as well. What pitch is the 16mm screw and length and what drivers do you have.

    Cheers Dean

  6. #6
    Bit bigger than I need but would have bought the job lot to save pissing about if it had been a tad smaller.
    John S -

  7. #7
    Quote Originally Posted by fasteddy View Post
    2 x 25mm ballscrews (machined to fit nema 34 mounts)
    2 x 25mm ballnuts
    2 x nema 34 mounts
    2 x nema 34 motors (4 wire 6N motors)
    70v PSU and two drivers for the nema 34's..

    I will get specs and serial numbers etc later today or tomorrow...
    As I mentioned, I am scaling down so these will be up for sale or swap..

    Any more info needed, just ask!

    Steve...
    Hi Steve,

    Might be interested in the NEMA 34 stuff if you can get some specs/details on the motors/drivers etc.

    **EDIT** How long are the 25mm screws?

    Cheers
    Ian
    Last edited by IanS1; 07-04-2013 at 03:05 PM.

  8. #8
    Hi all again..

    Wow, did not expect such an enthusiastic response..
    I have my hands full with kids today, will supply all specs by tomorrow morning for you all.. Have had several messages asking me for a price for the lot, I will also work this out for you all too..
    If any of you are up-sizing, I will be interested in a swap for a smaller machine/or parts...

    25mm ballscrews are 2mts usable thread + machined ends (10mm pitch)
    16mm ballscrew is 1.4mts usable thread + machined ends.. (10mm pitch)

    I have not included all the z axis bits yet so the list is quite incomplete, really need an hour or two to catalogue what I have, and the kids are not giving time to draw breath today..!

    Bear with me until tomorrow and I will have all info on everything...

    Steve..

  9. #9
    Hi Dean..

    Yes, 1,4mt rail is 20mm, more info to follow...

    Steve..

  10. #10
    Hi all...

    Ok, think I have managed to compile a pretty comprehensive list.. All these parts were bought from Zapp and I have tried to pull the details from the invoice and match them to Zapp's website. I have put a link next to each item so you can check it out directly..

    2 off - SK-A4-013 MBA-20F
    Nema 34 motor mount
    mba12c-nema-23-motor-mount

    2 off - FKA20-C7 FKA20-C7
    25mm Ballscrew support (fixed end)
    The FKA20-C7 is a ballscrew support for the fixed end of the ball screw. (25mm diameter)

    1 off - HL-K0-002 BF-12C7
    16mm Ballscrew support (Floating end)
    The BF12-C7 is a ballscrew support for the floating end of the ball screw. (15-16mm diameter)

    2 off - ZPSFBN2510 SFBN2510
    25mmx10mm pitch ballnut
    SFBN2505
    THIS LINK IS TO THE 25MMX5MM BALLNUT, CANT FIND 25MMX10MM ON WEBSITE

    2 off - ZPSF2510-2200 ZPSF2510-2200
    25mmx10mm pitch ballscrew - 2200mm long
    SF2505
    THIS LINK IS TO THE 25MMX5MM BALLSCREW, CANT FIND 25MMX10MM ON WEBSITE

    2 off - CN-M0-019 SY85STH80-5504B
    6NM stepper motors (Nema 34)
    SY85STH80-5504B Nema 34 Stepper motor

    1 off - ZPSF1610-1400 ZPSF1610-1400
    16mmx10mm pitch ballscrew 1400mm long
    SF1610 ballscrew

    1 0ff - ZPSFBN1610 ZPSFBN1610
    16mmx10mm ballnut
    SFBN1610

    1 off - FK12-C7 FK12-C7
    16mm ballscrew support (fixed end)
    The FK12-C7 is a ballscrew support for the fixed end of the ball screw. (16mm diameter)

    1 off - SK-A4-001 MGD16
    16mm Ballnut bracket
    The MGD is a ballnut bracket desiged to fit standard (DIN 69051) FSU nd FDU ballnuts

    2 off - BF1-15.875X19.D40L66 BF1-15.875X19.D40L66
    Nema 34 flexible coupling (drilled to fit ballscrew and motor shafts)
    BF1-D40L66 Flexible Coupling

    2 off - HL-K0-011 BF-20
    25mm ballscrew (floating end)
    The BF20-C7 is a ballscrew support for the floating end of the ball screw. (25-32mm diameter)

    2 off - SK-A4-003 MGD25
    25mm Ballnut bracket
    The MGD25 is a ballnut bracket desiged to fit standard (DIN 69051) FSU nd FDU ballnuts

    2 off - HL-G0-1400-20-002 TBR20-1400
    20mm supported rail 1400mm long
    TBR20 Supported Round Shaft

    8 off - HL-I0-013 SBR20-UU
    Open linear bearing for 20mm supported rail
    SBR20UU Open linear bearing with housing

    2 off - HL-G0-2000-20-002 TBR20-2000
    20mm Supported rail 2000mm long
    TBR20 Supported Round Shaft

    2 off - HL-J0-400-20-001 ZPSFC20-400
    Ground round shaft 20mm dia
    SFC20 Precision ground round shaft (20 mm)

    1 off - HL-E0-500-16-05-001 ZPSF1605-500
    16mmx5mm pitch ballscrew (z axis) 500mm long
    R1605 ballscrew

    1 off - FK12-C5-TMT FK12-C5-TMT
    16mm ballscrew support (fixed end)
    The FK12-C5 is a ballscrew support for the fixed end of the ball screw. (16mm diameter)

    4 off - HL-K0-015 SHF-20
    20mm ground shaft supports
    SHF-20 flange mounting rail support

    4 off - HL-I0-003 SMA20UU
    20mm ground shaft linear bearings
    SMA20UU Linear Bearing with housing


    Phew... That's just about it... I did not include the two nema 23 (3NM) motors or mounts as I am thinking of using them for my smaller cnc, but if you insist, then I will sell them too to make the package complete.
    Also not listed here is the price I paid for machining the ends of the ballscrews (320).

    There are also 2 x PM752 drivers for the NEMA 34 motors. These seem to be discontinued on the Zapp site now but I did find the data sheet for them http://www.zappautomation.co.uk/down...vers/PM752.pdf
    These cost me about 70 each, but am still trying to find the invoice for them..

    This equipment has had about a years very light use, mainly engraving wooden boxes.. I have only used my router for wood and it has had only light engraving loads. I have cleaned everything, including dismantling the ballnuts and reloading them with new ball bearings.

    A couple of you have asked me if I still have the gantries and z axis assembly. Unfortunately, I dont think that what I have will be of any use to you as I had to make a 12" high gantry to accommodate pre assembled boxes (which I engraved) for a customer. This meant the gantry was way too high to be rigid enough for 'proper' routing and was only capable of light loads. I was my intention to lower the gantry with a new design which meant mounting the rails (X) onto a hefty pair of RSJ's.
    If anyone is interested, I still have these RSJ's (cost me 100 for the pair), they are 157mm square and just shy of 2 meters long. They have been drilled to take the supported rails on one side, and have 6 x 1/2" mounting holes on the other side. They are extremely strong and rigid and I reckon they will make very good mounting rails for the X axis. Will supply photos on request.

    Whole lot cost me around 2700 inc vat...
    Make me an offer for the lot, or will split if no takers for the whole package..
    Any questions, just ask...

    Steve
    Last edited by fasteddy; 08-04-2013 at 11:21 AM.

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