SU1541036A1 - Method of straightening grinding wheel having flaps - Google Patents

Abstract

The invention relates to metalworking and can be used when dressing flap circles. The aim of the invention is to reduce the consumption of the right-handed tool. The dressing is performed by rotating the circle on the fabric base in the direction opposite to the location of the abrasive layer, i.e. in the direction opposite to the direction of rotation of the circle during polishing, and the right tool is moved along the circle generator and is fed to the plunge.

Description

The invention relates to metalworking and can be used when dressing flap circles.

The purpose of the invention is to reduce the consumption of the right tool.

The method is carried out as follows.

The right tool, such as a diamond stick, is brought into contact with the flap wheel, rotating in the direction opposite to the location of the abrasive-containing layer of petals, i.e. in the opposite direction to the working rotation when grinding. Then the pencil is fed in the radial direction for the required amount of incision (depending on the ld. Factors - the density of the circle, its grain size, the speed of rotation and LR) and move along the generator of the circle. In this case, the petals meet with a diamond of its tissue core, which is cut off. Thus, the editing of the circle occurs in conditions of minimal interaction with the abrasive of the petals. If, with the known methods of editing with the direction of rotation of the circle coinciding with the working rotation, the petals, bending, slipping over the diamond, wear it, then in the proposed method, the diamond only concerns abrasive grains located on the edges of the petals.

The proposed method was tested in a car factory. Conducted two series of experiments. The experiments were carried out on the machine ZB12. For them are made flap circles ППЗОО x 40 x 125, with a grain size of 1 4A8.

Editing was carried out with diamond pencils of type 02, fixed in the fixture of the machine. When straightening, the circle rotated at a working speed of 35 m / s and the diamond pencil moved along the generator of the circle

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submersible flow 0.5 m / min. At the end of each double stroke, the petal wheel was fed transversely to a diamond pencil of 0.1 mm.

In the first series of experiments, the circle rotated in the working direction. In the process of editing, the pencil continuously wore out, due to which, in fact, the total removal of the sanding skins of the petals lagged behind the total lateral feed. By the time of removal of 50% of the length of the petals, this gap exceeded 1.5 mm. In the second experiment, the petal circle rotated in the direction opposite to the location of the abrasive-containing layer of petals, i.e. in the direction opposite to the direction of working rotation, due to less wear and tear of the diamond pencil by the time of removal of 50% of the length of the petals lag; actual total removal from fact

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The cumulative total value of the parcel feed did not exceed 0.5 mm.

The shape of the working tops of the diamond grains was significantly different. In the last experiment, it was much less ovalized.

Claims (1)

Invention Formula The method of straightening the petal circle on a fabric basis with radially arranged in the axial planes of the circle are petals with a one-sided position of the abrasive layer, according to which the right tool is traversed along the generator of the spinning circle and is fed to the plunge, about m and h and so that, in order to reduce the consumption of the right-hand tool, moreover, the meadows are carried out in the direction opposite to the direction of rotation of the circle during polishing.