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Linear Bearing Problem Xc-540

Discussion in 'Roland' started by KingsofWraps, Jun 19, 2012.

  1. Ok so i have an xc-540 for about 4 years now and a couple of months ago i kept receiving scan motor errors so we finally replaced it. Now i am getting another scan motor error 0090 0080 so I had a tech look at it.

    I sensed that the problem was that the rail was dirty with gunk and buildup because when i did an initialize application and setup up the cut carriage it felt so rusty and heavy compared to the print head which slid across the correct way. I cleaned the rail and put some 3-in-1 and it still felt like the cut carriage had something stuck behind it.

    Cut carriage was dissassembled by the tech and all the bearings fell out.

    Roland doesn't sell this part by itself and says its $1,300

    Has anyone successfully bought extra bearings and tried to rig this??

    Rail is completely out of my budge after dropping $1k not even a month ago on a scan motor...
     
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  2. otctech

    otctech Member

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    Anytime you remove that type of linear bearing from the rail the ball bearings are going to fall out even on a brand new one that is why they usually ship it to you on a plastic rail and you have to transfer it directly on to the rail. You can find those bearings online but you need to know the exact size. Look for a part number on the old one or try a place like THK they might be able to help you figure out what size it is.

    That being said you'll want to closely inspect the rail and make sure its not damaged or worn before putting a brand new bearing on it. Otherwise you'll damage your new bearing.
     
  3. Hey Otc found out the bearing size is 7/16 i found a local manufacturer that carries it and have my employee heading over now to pick them up.

    Getting them inside the part is tideous, do you have experience with this?

    :banghead::banghead::banghead::banghead::banghead:
     
  4. otctech

    otctech Member

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    Are you saying you are going to put the ball bearings inside the linear bearing?

    I have never done that. I have replaced the whole linear bearing but not on a Roland.
     
  5. I am going to try that i'll let you know how it goes
     
  6. Jack Knight1979

    Jack Knight1979 Very Active Member

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    Yeah. You can buy the bearing unit for 200 dollars. Do not repack the bearing. The bearings sit in a little plastic bandolier type thing. That's what fails in the units.

    I didn't know you could source just the bearings and I bought a 1300 setup from Roland. I could have bought a new rig for about 200 dollars out is Asia.
     
  7. that bearing unit is for FJ series i saw plenty of them online spoke to an asian dude said it doesn't fit on the xc
     
  8. Jack Knight1979

    Jack Knight1979 Very Active Member

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    Sorry to hear that. :banghead:
     
  9. rjssigns

    rjssigns Major Contributor

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    Sounds like a hack needs to be done. Not sure if they would use proprietary bearings, but it is possible. Would have to the unit in my grubby little paws to see what could be done.
     
  10. otctech

    otctech Member

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    That linear bearing...

    Has anyone found the bearing for sale without the rail?
     
  11. hybriddesign

    hybriddesign owner Hybrid Design

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    Linear bearing for Roland VP540

    Hi, I'm not sure if it's the same bearing but the linear bearing on the VP540 is the THK SSR-15xw. https://tech.thk.com/en/products/thkdlink.php?id=1107

    The print head uses dual 56.9mm wide bearings. I got the bearings from Linear Industries www.linearindustries.com/ and ordered two to replace both bearings in the print head even though only one was damaged.

    Paid $90 per bearing for them. They take a while to get as it's hard to find anyone stocking them and it's not really an off the shelf part. Linear had to order them from somewhere else but they got it to me in about 5 bus days with overnight shipping. I wish it had been faster but that's the situation.

    Replacing them is pretty straight forward although our machine has horribly clogged heads from being down for a week... wish me luck. You remove the dampers and everything in the head carriage, remove the 8 hex bolts to disengage the carriage and then you need to take apart the big rail and slide it out of the left end of the printer so that you can slide the bearings off of the right and put new ones on. This is NOT recommended if you are at all nervous about working on your printer. Start to finish you can do it in an hour if everything goes right.

    They say the bearings don't fail but ours started to get gritty and throwing scan motor errors. The balls in the bearing are in a long snake like retainer which had torn and there were literally just loose balls in one of the races of the bearing causing binding. The new bearings were pretty tight when they were installed but although the printer isn't working due to clogged heads normal operation seems pretty smooth at this point. My local tech had no idea that this could happen and it seems pretty rare but hopefully if this happens to anyone this will help. If you just measure the dimensions of your linear bearing you can probably find it on the thx site.


     
  12. hybriddesign

    hybriddesign owner Hybrid Design

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    bearings

    I just realized I replied to the wrong post. Check my post for bearing info.

     
  13. natyxc540

    natyxc540 New Member

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    Hi, what about it?

    Hi, KingsoWraps, are you sure that is the size? I´m going to buy the balls and i´ll try to replace it by myself. It looks so simple, I took the three bearings out without problems, but I´d like to be sure about the size, because in my country can´t buy it ( Venezuela...) so I´m going to order it by amazon. Thanks in advantage. This post help me so much, Now I know I´m not alone
     
  14. AUSSIE FLETCH

    AUSSIE FLETCH New Member

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    Nov 24, 2016
    Hi Was wondering how you went with replacing the bearings?
     
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