SU1664265A1 - Cylindrical brush - Google Patents

Abstract

The invention relates to tools for surface treatment. The purpose of the invention is to increase durability. The cylindrical brush comprises a bushing with U-shaped wire pile sections mounted on it through rings, spacer rings mounted on the bushing and clamping flanges. The surface of the flanges in contact with the side surface of the pile and the outer cylindrical surface of the sleeve are coated with a plastic deformable material, and the separating rings are made of a similar material and have the shape of a disk with side surfaces beveled to its periphery. 2 Il.

Description

The invention relates to tools for the treatment of metal surfaces by cutting and can be used for removing scale, rust, deburring, reinforcing welds and other finishing and cleaning operations from the surface.

The purpose of the invention is to increase durability.

FIG. 1 shows the proposed brush cut; in fig. 2 is a section A-A in FIG. one.

The cylindrical brush contains sections 2 with U-shaped wire pile 3, placed on rings 4, and disk flanges 5 located at opposite ends for clamping pile 3, which are attached to sleeve 1 with screws 6, mounted on sleeve 1.

Separating rings 7 are mounted between sections 2.

The surface of the flanges 5 in contact with the side surface of the wire

The pile 3 and the outer cylindrical surface of the sleeve 1 are provided with a coating layer 8 made of a plastic deformable material (for example aluminum, polyurethane, etc.), and the separating rings 7 installed between sections 2 are also made of the specified material and have the shape of a disk, side surfaces of which are beveled to its periphery, for example at an angle in the range of 5-10 °.

The thickness of the coating layer s and the thickness b of separating rings 7 are selected experimentally and determined by the ratios

s (2 ... 5) d; b (5 ... 10) d,

where d is the diameter of the wires of the pile, mm.

When assembling a cylindrical brush, a set of rings 3 with a wire pile 3 is compressed between the disk flanges 5 with a press.

fe

Ov

ABOUT

N go a

O1

P r Or (),

where Ot is the yield strength of the coating layer and the material of the separation ring, kg / mm2;

K - correction factor in the range of 1.6.2.2;

R is the radius of the working surface of the brush, mm;

g - the radius of the brush hub, mm.

Due to the fact that the surface of the flanges 5, which is in contact with the side surface of the wire pile 3, and the outer cylindrical surface of the sleeve 1, is provided with a layer of coating 8 made of a plastic deformable material (for example polyurethane, aluminum) as well as separation rings 7 made of the same plastic material are deformed and fill all the voids between the wire pile 3 and the surfaces mating with it.

The wire pile 3 is compressed, creating a uniform density. The coating layer 8 and the separating rings 7, which fill the voids between the pile 3 and the surfaces of the sleeve 1 and the flanges 5, create a kind of monolithic structure with a maximum density of pile 3.

Due to the fact that the separating rings 7 have the form of a disk, the side surfaces of which are beveled to its periphery, an equal force contact of the clamping disk flanges 5 with the lateral surface of the wire pile 3 and correspondingly uniform density is provided.

pile, which significantly increases the reliability of fastening the pile.

Since the flange surface in contact with the side surface of the wire pile and the outer cylindrical surface of the sleeve are provided with a coating layer having good thermal conductivity, heat from the wire pile is easily transferred to the brush body, which allows

make processing of products, if necessary, without the use of cooling.

Claims (2)

1. A cylindrical brush comprising a sleeve with sections of U-shaped wire pile mounted by means of rings, mounted on the sleeve between separation sections and clamping flanges, characterized in that, in order to increase durability, the surface of the flanges in contact with the side surface of the pile and the outer cylindrical surface of the sleeve have the coating is made of plastic deformable material, and the separating rings are made of similar material and have the shape of a disk with side surfaces beveled to its periphery. 2. A brush according to claim 1, characterized in that the thickness s of the coating layer and the thickness b of separating rings are determined by the relations s (2 ... 5) d, b (5 ... 10) d, where d is the diameter of the wire pile unit. one ::: ::: &. : 1 Editor N. Gunko Compiled by M. Sonina Tehred M. Morgental Aa FIG. 2 Proofreader M. Demchik