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Bearing extractor

A tool to extract bearings from v-slot wheels with no effort and without damaging either the wheel or the bearing.

3D printer parts and enhancements

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Description

It is formed by 2 printed parts, 2 nuts, 2 washers and one screw.
One of the printed part are 2 parts interlocked and printed in one go. They have to be separated after printing with s small pressure.
There is a video about it.

Materials and methods

The extractor has 8 elements:

3 elements are printed (2 of them are printed together and unlocked after printing, the third element is the knob) ,
1 flat conical screw m 2.5, 16mm long at least
2 lock washers (diameter 4.8mm aprox, less than 5mm and more than 4.5mm)
2 nuts m 2.5.
After printing the main module it has to be unlocked with a small presure in the inside of the cilinder until the second part gets free movement but without breaking it outside, they must remian interlocked. Then comes the flat conical screw with the 2 lock washers and the nut keeps them from falling. The knob gets fixed to the remaning part of the screw with the other nut.

It is convenient to enable supports everywhere in Cura.
The main module has two interlocked pieces that get printed together. It is necessary to unlock them to get it working. A small pressure in the inside of the cilinder will break the bonds and allow free movement of the two elements (they keep interlocked).

Documents

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Comments

325ef79feb4aaab24168a32aa75e72b4?default=blank&size=40Toño added this to the Mia collection ago
F6acd31fd06cdcd2c0dab1a4c11d213a?default=blank&size=40Houston Foreman added this to the Tools & Organization collection ago
Mini fredholliFredHolli added this to the fgfgd collection ago
9dfafcba1e91479a4e685c1acbd7f321?default=blank&size=40Lukáš Bartůněk added this to the Bearings collection ago
9dfafcba1e91479a4e685c1acbd7f321?default=blank&size=40Lukáš Bartůněk added this to the Tools collection ago
E10523585ab527f4155bb5c7b767a90c?default=blank&size=40DDDPeter added this to the Tools collection ago
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49dd952cab8186e551d10987bdaca580?default=blank&size=40gdjsky01 commented ago

I tried twice. Parts do not break free. PLA. Tried with and without support. There is no images of the two parts working.

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6e6194fdcffe8dbbce0d529f1914578e?default=blank&size=40Kevin Collins added this to the Things to make collection ago
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Mini captura  2 Luis Temes published this design ago