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  1. #41
    Ahh thanks for clearing that up, it was me being daft!!! I understand it now.

    Do you by any chance know if he also does some of these: http://www.ebay.co.uk/itm/Ball-Nut-M...c=1&rmvSB=true
    Might be easier getting them off of him as i'm paying for the shipping anyways.
    Last edited by examorph; 03-02-2016 at 01:45 AM.

  2. #42
    Quote Originally Posted by examorph View Post
    Ahh thanks for clearing that up, it was me being daft!!! I understand it now.

    Do you by any chance know if he also does some of these: http://www.ebay.co.uk/itm/Ball-Nut-M...c=1&rmvSB=true
    Might be easier getting them off of him as i'm paying for the shipping anyways.
    When you ask him for the quote include a picture of the ball nut mounting.

    But before you order have you designed the frame that you are going to mount it all on as you might need different mountings than those.

    It usually only takes about 10 days to get the stuff from Fred.
    ..Clive

  3. #43
    Clive - Thanks for the advice. Not sure what other types of mountings are available (other than the ones Chai does). Only place I see this being a concern is possibly on the Z-Axis where I might end up being short for space. I drew the below ball nut supports as reference (not to scale) and was planning on correcting the sizes when I received/measured the components:
    Click image for larger version. 

Name:	X Axis.JPG 
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ID:	17504Click image for larger version. 

Name:	Y Axis.JPG 
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Size:	257.8 KB 
ID:	17505Click image for larger version. 

Name:	Z Axis.JPG 
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Size:	400.5 KB 
ID:	17506

    Also, adjusted the ball screw F dimension and during checking noticed that the Y-Axis needed shifting towards the right to line up with the motor:
    Click image for larger version. 

Name:	Back.JPG 
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ID:	17507

  4. #44
    I have been doing some shopping around for quotes and would like some advice please.
    For the linear components the following is what I got back:

    Chai = $738 = 510
    Fred = $958 = 663
    FYI - Local Supplier = >3,000!!!
    The shorter carriages were 100 less in total if I went for them.

    Ideally it would be Chai with the shorter carriages but two disadvantages seem to be, hes using a different brand of rails/blocks and also, i'm not sure if the shorter carriages will be enough for possible long term aluminium work. What do you guys think please?

    Also, does 140 sound like a good deal for all the aluminium and steel plates (gantry sides, full z axis, bearing supports, spacers, etc)?

  5. #45
    comparing Hiwin to Chinese rails is like apples to oranges. Fred also has the Chinese rails by the way and of course they are cheaper. If you are doubting 100 in a build of 2500, then definitely go with the cheaper.

    I am saying this cause if you really want to cut aluminum when you pay 500 for a plate you will forget the 100 you ar doubting now.

    140 sounds a good deal if they are precut. Depends though, i buy pre-cut aluminum plates any thickness at 5euro/kg +vat here in Spain. And steel at 1eur/kg but i have the means to cut it.
    project 1 , 2, ...

  6. #46
    Quote Originally Posted by examorph View Post
    I have been doing some shopping around for quotes and would like some advice please.
    For the linear components the following is what I got back:
    Pay the 100 extra and get Hi-win from Fred Lee. Also don't need long carriages to cut aluminium the short ones work fine. I've got some Hi-win rails carriages (short) here that where fitted to my old router which cut nothing but aluminium for 5-6yrs and they are still good day fitted and they where second hand then.!!



    Quote Originally Posted by examorph View Post
    Also, does 140 sound like a good deal for all the aluminium and steel plates (gantry sides, full z axis, bearing supports, spacers, etc)?
    How longs a piece of string.? How can anyone tell you that without knowing dimensions and amount of aluminium.?

  7. #47
    Quote Originally Posted by JAZZCNC View Post
    Pay the 100 extra and get Hi-win from Fred Lee. Also don't need long carriages to cut aluminium the short ones work fine. I've got some Hi-win rails carriages (short) here that where fitted to my old router which cut nothing but aluminium for 5-6yrs and they are still good day fitted and they where second hand then.!!
    Thanks Dean, went for the shorter ones and placed the order with Fred yesterday, he was really helpful with everything.
    Should have the parts for the end of the month as they are on their holidays currently.

    Quote Originally Posted by JAZZCNC View Post
    How longs a piece of string.? How can anyone tell you that without knowing dimensions and amount of aluminium.?
    Was quoted the following for it all to be cut:
    Aluminium (All 20mm Thick Plates):
    Qty 2 225 x 60 @ 11.50 each
    Qty 1 200 x 300 @ 26.15 each
    Qty 1 200 x 250 @ 19.50 each
    Qty 1 200 x 140 @ 15.75 each
    Qty 1 200 x 60 @ 10.00 each
    Qty 4 30 x 70 @ 6.25 each

    Steel Plate:
    Qty 2 230 x 300 x 10 @ 6.30 each


    Does this look ok?

  8. #48
    Quote Originally Posted by examorph View Post
    Was quoted the following for it all to be cut:
    Aluminium (All 20mm Thick Plates):
    Qty 2 225 x 60 @ 11.50 each
    Qty 1 200 x 300 @ 26.15 each
    Qty 1 200 x 250 @ 19.50 each
    Qty 1 200 x 140 @ 15.75 each
    Qty 1 200 x 60 @ 10.00 each
    Qty 4 30 x 70 @ 6.25 each
    Little on the expensive side if just cut pieces. It would all come out of piece less than 500 x 500 and thats allowing for cutting. If machined with holes etc then yes it's cheap.

    If just cut pieces of aluminium then Aluminium warehouse are cheaper. But Often worth asking local engineer for good supplier. My supplier doesn't deliver down your way but to give an idea i would get all that for just half what your being asked and that would be Ground cast Machine plate.

  9. #49
    Just for reference, these are from Aluminium warehouse, last week....

    2 Aluminium Plate: EcoCast - 20.0 mm - 550mm x 242mm 55.80 111.60
    1 Aluminium Plate: EcoCast - 15.0 mm - 400mm x 160mm 20.29 20.29
    1 Aluminium Plate: EcoCast - 15.0 mm - 320mm x 160mm 16.26 16.26
    1 Aluminium Plate: EcoCast - 15.0 mm - 500mm x 160mm 25.33 25.33
    2 Aluminium Plate: 6082 T651 - 10.0 mm - 471mm x 150mm 10.85 21.70
    1 Aluminium Flat Bar - Metric Sizes (6082T6) 80 mm x 10 mm - 2000 mm 22.01 22.01

    Is there a better place to go??
    Last edited by Davek0974; 16-02-2016 at 04:37 PM.

  10. #50
    Dean - Thanks for the advice and yeah, that was just for cut aluminium with no holes/profiles, etc.
    Damn, almost half the price...that's cheap! Will ask around locally and see if I can find someone decent. Is there anything I should ask for specifically when requesting quotes for this? I see people go with EcoCast from Aluminium Warehouse, I don't know if many locals would do this so would I just ask for Ground Cast Aluminium Machine Plate? Is there any grade or reference I need to mention?

    Davek - Thanks for the reference prices.
    Last edited by examorph; 17-02-2016 at 08:49 PM.

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