Taking apart a HIWIN HGH15CA linear guide rail carriage - bearing replacement and service part 1

[@kandrkandr]

I used one of those pick up magnets on a pole. They just pop back in. Use a small screw driver to push them. No need to open it up. I got lucky. Found them all.

[@michaelkelly3158]

The manual says you need to push a hot rod through 'the bottom of the tapped hole' to be able to grease the block. Is that white plastic diaphragm what they are talking about pushing the rod through?

[@urgamecshk]

Same situation right now.... One ball left to find!

[@bblloobb1000]

Well, today by mistake, tried to grease the hg15ca when was out of rail but with protector. however, some balls pop out. tried to fixed, but cant understand the righ side and position to those short black plastic-bracket, that stays from both side inside.they are flat from one side, chanel otherside.what is propper position.flat side out or in

[@nuxrohox-cortx-6222]

how many steel balls are there in total?

[@RebelBlades]

I would just buy a new one ! Screw the bearings ! But that is just me. I am looking forward to seeing you finish the surface grinder !

[@gentiligiuliano7882]

Did you find replacement balls?

[@patrickdunne4975]

Where is part 2? or is this a joke

[@cncart]

@@patrickdunne4975 guess he didn't find the balls lol

[@jamescullins2709]

I may be a little off topic but some of the Chinese talk about a square carriage. What do they mean? I don't see the difference

[@WarThunderGerald]

Did you ever find a replacement bearing orderable online? If so could you link info for it?? Hoping to find one for my (non genuine) variant of this that is one bearing short on one block - so annoying!

[@mariuspetcu7482]

Thank You ... and to be critic (LOL) light must be on your right hahaha ... again Thank You

[@mikeylama]

Hi, where have you accessed the technical data of the bearing balls? I'm quite desperate for them :D

[@jasonb9629]

So what exactly is the deal here? Is that re-assembly video ever coming??? They are not exactly complicated devices I just wanted to be sure I am doing it right. Those 2 plastic pieces that go on the inner sides of the carriages I just cant figure out how they are held in place. Other than that I think I am okay.

[@zwerne42]

Can you give me an idea of how much load these 15mm rails/blocks can support? Or how well they compare to sbr20uu? Thanks for the video

[@roadsidejobshop9287]

These bearing blocks are very much stronger compared to SBR20UU, because they have more ball bearings and the block supports the load better. But using linear rails, you have to have a much more accurate setup for the machine in general. SBR20UU tolerates some inaccuracy in parallelism and being unplanar a little bit, linear rails dont like it at all.

[@zwerne42]

Nice to know that. I will make a new structure using my already built CNC router when I get to upgrade to linear blocks. Thanks for replying

[@roadsidejobshop9287]

Whats the machine you are building`? upload some videos :)

[@zwerne42]

Just a CNC router, Thinking about upgrading it to the linear blocks at a later time. Might post a video later :)

[@Correllbil]

Looks like the bearings are 1/8".

[@FriedrichKegel]

Thank you a lot for this video, helped me much to clean up my chinese MGN12 :) Mine are sticking a bit only in one direction, do you have ideas what the reason might be?

[@roadsidejobshop9287]

I would check if you don't have any dents in the rails - some of the cheaper MGN's have dents and scratches. If you do - buy some precision stones and lightly clean the surface.

[@FriedrichKegel]

Thank you very much, i think you are right there are some micro-dents on the boarder of the cylindrical surface where the balls move inside. First I will try to run them in for some hours, maybe the problem is solving itself.

[@danielmattsson8574]

How to put it back together? :)

[@roadsidejobshop9287]

I'm planning on making the video about that in a few days... :)

[@urgamecshk]

Roadside jobshop well???

[@michalycz]

@@roadsidejobshop9287 did you succeed in putting it together?

[@ScottyDoesntKnow321-]

@@michalycz Legend has it he's still trying to get the balls back in XD

[@TheBeardedBoofhead]

@@ScottyDoesntKnow321- Aren't we all... :D

[@gungov2024]

Just lengthening the video and wasting time with his hmms hahs well so right. Very little sustance for a 19minute video

[@seasonsunite]

I didn't get it, do you recommend buying these or not? Longest review ever

[@WarThunderGerald]

it's clearly NOT a review video ... If the Title didn't already give that away ...

[@boucha18]

1/8" = 3.16mm

[@roadsidejobshop9287]

Yep, it's actually 3.175mm. I ordered the new balls and will be re-packing them in just a few days - video incoming soon :)

[@WarThunderGerald]

@@roadsidejobshop9287 Hey will you share video on that? I was just about to order 1/8th inch bearings but - Will they absolutely not work / must be 3.175mm?

[@molitovv]

Tweezers!

[@roadsidejobshop9287]

Absolutely correct - gold star for you :)

[@MrEarnxtracash]

Jesus, less opinion and building info and show how to rebuild the damn bearing... LOL