Sharpener for cutters. Drawing, description

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Sharpener for cutters. home workshop

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The device for sharpening disk cutters provides the necessary accuracy and uniformity in the processing of each tooth. It allows you to accurately fix the cutter relative to the processing tool - the grinding wheel. The fixture is mounted on the milling machine table and secured with two M8 screws.

The cutter is mounted on the seat and clamped with a round nut until it stops in the threaded sleeve. In this case, the protrusion of the latch should be in the cavity of the cutter tooth.

Grinding - the circle is mounted on the shaft of a horizontal milling machine (a fence is provided for the safety of work).

By rotating the handles of the transverse and longitudinal feeds, as well as lifting the table of the machine itself, the cutter is brought to the grinding wheel by the tooth that is to be processed, and occupies a position relative to the circle that provides the required cutting angle. In the future, the relative position of the cutter and the cutting tool does not change. Sharpening occurs during the longitudinal movement of the table.

Sharpener for cutters
Rice. 1. Scheme of installing a holder for milling cutters on a machine

Rice. 2. Device assembly (click to enlarge): 1 - handle (Art. 20), 2 - sleeve (Art. 40), 3 - screw (Art. 45), 4 - sleeve (Art. 40), 5 - cutter (diameter up to 100 mm), 6 - nut, 7 - retainer (St. 45), 8 - stem (St. 40), 9 - spring, 10 - base (St. 20), 11 - oiler

The setting for each successive tooth occurs in the following order: the handle is released, and the latch is disengaged; the cutter is rotated one tooth and fixed again; the handle is tightened; the longitudinal feed of the machine is switched on.

The adaptation can be recommended for implementation not only at the stations of young technicians and in training workshops, but also at enterprises that do not have special equipment for this purpose.

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