Mini bearing puller. Drawing, description

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Mini bearing puller. home workshop

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The proposed puller for removing bearings, bushings, pulleys pressed onto the shaft is simple in design and quite versatile. Such a puller has become my indispensable assistant: it allows you to avoid damage to parts during disassembly, makes work easier.

The puller is structurally simple and works as follows. We insert and fix two grips with the help of fingers. We bring their protrusions under the part to be removed and turn the screw with a crank until it rests against the shaft. Continuing to tighten the screw, we tighten the part from the shaft.

The pressed-in bushings or bearings are also removed, while only need to turn the protrusions of the grippers outward.

Rice. 1. Mini puller (click to enlarge): 1 - puller body, 2 - grip, 3 - stop screw, 4 - pin, 5 - knob

Rice. 2. Options for using the puller (click to enlarge): A - compresses the pulley, B - removes the bushing

For the manufacture of the puller body, I used an old turning tool, milled grooves in it and drilled the necessary holes. This part can also be welded from three suitable steel plates. The manufacture of other parts of the device does not require special explanations. The dimensions of the puller are approximate: they depend on the parameters of the parts to be disassembled.

Author: V.Zhestov

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