16mm Sleeve Carriage for Rostock Printer and Igus Linear Bearings
by jpickens, published
I should add that I am currently building a Johann's Rostock with 8mm rods, and hope to use these simple and cheap bearings instead of the loud and expensive metal ones. We'll see how it goes.
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These are not printed bearings, they are a special plastic material with integrated lubricants made by IGUS. My design was to modify the carriages to hold the IGUS bearings. I've got many hours on my bearings, and they are holding up well. I routinely put dry teflon lubricant on the rods just in case. Spray the stuff on and wipe off with a lint free cloth.
my issue with using printed bearings is that when I apply any pressure on it with zip ties they no longer move freely and now I have jam!
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My ToM leaves a slightly undersized 16mm nominal sleeve.
Used an adjustable reamer from Harbor Freight to true up the sleeves.
Set the reamer to 15.8mm, and this gave a good squeeze on the Igus bearing to ride the 8mm rod. Maybe even too tight when I mocked it up. But better to start undersize and work up.
Please let me know what you think.
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