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  1. #21

  2. The Following User Says Thank You to Stressedwoodman For This Useful Post:


  3. #22
    No one got an opinion whether medium preload is too much or not for a medium sized CNC router.? I am finding difficult to predict what sort or resistance this would be from the data sheets. I don't want to end up needing bigger motors just to move things.

  4. #23
    Quote Originally Posted by Stressedwoodman View Post
    No one got an opinion whether medium preload is too much or not for a medium sized CNC router.? I am finding difficult to predict what sort or resistance this would be from the data sheets. I don't want to end up needing bigger motors just to move things.
    Medium preload should be fine...

    Higher stiffness at the expense of life span and force required...negligible for home build :).

    Stiffness values http://www.automation4less.com/pdfs/hiwinaglg.pdf

    .Me
    Last edited by Lee Roberts; 16-06-2016 at 07:33 AM.
    .Me

  5. #24
    Quote Originally Posted by JAZZCNC View Post
    Have you tried Fred at BST because I doubt you'll buy them cheaper in UK or even get close on price and they are genuine Hi-win.
    I saw BST mentioned somewhere in a post earlier too, while browsing for Bellows and Wipers (neither of which I installed when I finished the machine!) - is it BST Automation on Aliexpress you refer to? I think a couple of years ago I read Chai from Linear Motion Bearings was good so I sourced from him. Where do people tend to source these days (I might need another ballscrew if I can't get the wooddust out of this one!) and what's the quality like?

    EDIT: Oh or these? BST Linear
    Last edited by mattnedgus; 29-06-2016 at 08:56 PM. Reason: added other possible supplier!

  6. #25
    Quote Originally Posted by mattnedgus View Post
    I saw BST mentioned somewhere in a post earlier too, while browsing for Bellows and Wipers (neither of which I installed when I finished the machine!) - is it BST Automation on Aliexpress you refer to? I think a couple of years ago I read Chai from Linear Motion Bearings was good so I sourced from him. Where do people tend to source these days (I might need another ballscrew if I can't get the wooddust out of this one!) and what's the quality like?

    EDIT: Oh or these? BST Linear
    Chai is a good guy but BST seems to be the place to go to now. I have purchased from both and been happy though.
    ..Clive
    The more you know, The better you know, How little you know

  7. #26
    Quote Originally Posted by Clive S View Post
    Chai is a good guy but BST seems to be the place to go to now. I have purchased from both and been happy though.
    I was happy dealing with Chai but it's always nice to see what others have to offer (and I wasn't sure if Chai was still going) - did I have one of the links right for BST?

  8. #27
    Quote Originally Posted by mattnedgus View Post
    I was happy dealing with Chai but it's always nice to see what others have to offer (and I wasn't sure if Chai was still going) - did I have one of the links right for BST?
    Yes the link is http://www.aliexpress.com/store/314742 he has a gmail account on there and Fred always answer his emails I would contact him via email for a quote.

    I believe Chai is still in business.
    ..Clive
    The more you know, The better you know, How little you know

  9. #28
    Quote Originally Posted by Clive S View Post
    Yes the link is http://www.aliexpress.com/store/314742 he has a gmail account on there and Fred always answer his emails I would contact him via email for a quote.

    I believe Chai is still in business.
    Cheers Clive, much appreciated! I received an email back from Chai regarding bellows (they don't do) so he's still on the go which is good to know!

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