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Description:
About this item:
Linear Guide Rail Set
The listing is for supported linear rails SBR20-300/600/1000 mm rails(6 supported rails+12 SBR20UU bearing blocks), 3pcs of ball screws RM1605-350/650/1050 mm-C7(3 screws+3 ballnuts+3 end-machinings), 3 sets of BK/BF12(with locknuts and Cir-clips) and 3pcs of flexible couplings. Move smoothly without deflection, minimal wear, and low noise.
Complete Sliding Unit
Professional and technical rail and block, stabilizing the original rail. Move smoothly without deflection, minimal wear and low noise while using.
Easy To Assemble
Pre-drilled holes on the Support Rail Mounts for ease of mounting.
Widely Application
The linear guides are perfect for the automation machinery such as DIY CNC routers, lathes, machine tools, bending machines, laser welding machines, etc.
Specifications
Linear guide SBR20 Length: 300mm,600mm,1000mm
Ballscrew length: 350mm,650mm,1050mm
Class: C7
Screw diameter: 16mm
Screw pitch (lead): 5mm
Screw length: 200mm
Feature: Anti-friction
Packing size: 110X20X10cm/44X8X4inch
G.W.: 20kg/44lbs
Package Content
2 X SBR20-300mm Linear Rail Guide
2 X SBR20-600mm Linear Rail Guide
2 X SBR20-1000mm Linear Rail Guide
1 X Ballscrew SFU / RM 1605-350mm- C7 with End Machined
1 X Ballscrew SFU / RM 1605-650mm - C7 with End Machined
1 X Ballscrew SFU / RM 1605-1050mm- C7 with End Machined
12 X SBR20UU Linear Blocks
3 X BK/BF 12 Support for Ballscrew
3 X 6.35x10mm-25x30mm Flexible Couplings
Review:
4.8 out of 5
96.00% of customers are satisfied
Overall very good value. I would buy again.
Wow, this is a super high quality set of rails. Everything arrived packaged extremely well, no damage to any components. The steel of the rails is thick and strong, the linear bearings slide well, the bearing blocks are strong and correctly take the entire axial load.Some of the holes in the bearing blocks could have been cleared better of debris but anyone can fix that at home with a drill bit.Also on my set the longest ball screw didn't fit in any of the bearing block bearings, but this was easy to fix by putting the end of the ball screw in ice water and heating up the bearing with a hair dryer. Then it slipped right on!I'm using this to build my own CNC router and the linear motion components really form the basis of a good system. I don't think you're going to find a better value for your money than this set.EDIT: Well I built a router around these components and it's working very well. No complaints at all!
I'm Happy
I used these to build an X-Y table for my mill. They work perfectly. You need to be able to design and fabricate to install it on your particular application....well worth the money I highly recommend.
well made
Looks good so far into the build
Good kit for the price
Overall good product. They roll smoother than the other rails I got from ebay. Do not expect perfection at this price. But they are "good enough". Make sure you back out the adjustment screws before trying to install the carriages on the rail. Also you will probably want to order some ball nut housings as they are not included. Don't forget to grease the carriages before installing them, and "run them in" a little bit (slide back and forth on the rail for a while) and the smoothness will increase.One problem with all cheap ball screws I have found is the BF (floating end) is often just a tiny bit too large to fit into the BF block. You can try heating the BF block and cooling the end of the ballscrew to get them assembled, but if you do this they will be nearly permanently stuck together and hard to take apart once the temp equalizes. Instead of doing this I just took some 1000 grit wet-dry sandpaper, wetted it with WD40, and used a cordless drill to spin the ballscrew while I held the sandpaper around the BF end of the ballscrew. The grit is so fine it does not remove much material, it more polishes off the microscopic burrs than anything. Spin only a few seconds then test fit to see if it can slide into the BF block. Easy peasy. Not going to deduct any stars because I would rather have them a tiny bit too tight than too loose, and it is easy to fix.
Outstanding!
Packaging was excellent. No chance of any damage to the contents. This is a very complete kit. You're not going to want for much of anything.I noticed that couplings (10mm X .250" checked with a micrometer) for the ball screws are included, wasn't expecting those. The rails are very big, 20mm, which is slightly larger than 3/4". All the rails, ball screws, bearings etc. are high quality. This kit took about a week to get, but don't sweat it, it's well worth the wait. This is a great kit, great value, and I would say Happybuy has their act together. I was highly impressed.
Visit the Happybuy Store
Happybuy SBR20 Linear Rail Set+3 Ballscrew RM1605-350/650/1050mm CNC Set Support Liner Rail+BK/BF12 with BK/BF 12 CNC Kit
BHD153195
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Product origin: United Kingdom
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