16mm Sleeve Carriage for Rostock Printer and Igus Linear Bearings
by jpickens, published
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Metzench designed an open 16mm saddle carriage for the Igus RJM-01-08 plastic linear bearing. The Igus bearings require a 16mm bushing to "squeeze" the ribbed bearing to 8mm tolerance. I modified the SCAD from Johann's original Rostock carriage to have a 16mm enclosed sleeve for holding the bearing.
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.
Print with 1 shell and at least 50% infill.
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.
16mm Sleeve Carriage for Rostock Printer and Igus Linear Bearings by jpickens is licensed under the Creative Commons - Attribution - Share Alike license.
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