Method of producing brake blocks

FIELD: machine building.

SUBSTANCE: in compliance with this invention, method proposes producing two brake blocks from a plate. The latter comprises fist layer of friction material and second layer for bearing plate of brake block. First layer covers completely second layer. Part of friction material layer is removed the plate to comply with peripheral shape of every brake block so that there is no liner friction layer on a part of material layer of bearing plate. Plate is cut to comply with bearing plate shape.

EFFECT: lower labor input, no necessity in warehousing.

5 cl, 3 dwg

 

The invention relates to the production of brake pads, in particular, for disc brakes.

According to the prior art brake pads for disc brakes usually consist of a carrier plate, for example made of steel, and the brake pads, which nestles on the disk to ensure braking.

In accordance with the prior art, these brake pads are manufactured by making first carrier plate having its final size (i.e. the size of the finished brake pads), then the overlay is attached to the base plate, and the plate has also been given its final dimensions. The attachment is carried out, for example, glue.

According to this known method of manufacture of each brake pad is fully processed on the premises of the factory and then delivered to wholesalers and end users. This leads to complex and time-consuming warehousing brake pads in various sizes.

The technical problem underlying the present invention is to provide a method and blank for manufacturing brake pads, reducing the need for storage and providing adjustment of parts is less time-consuming relative to the market needs resizing. In addition, if the reduced transportation from producer to wholesale customers and to other users.

For this purpose according to the invention created a method of manufacturing brake pads, which provide a plate containing a friction lining material and having dimensions that substantially exceed the size of the smallest manufactured brake pads, and cut manufacturing brake pad from the plate so that the brake pad has at least partly to its final dimensions.

Therefore, according to the invention, the manufacturer can produce the above-mentioned plates and deliver them to consumers, while at the same time the user can perform one of these plates on relatively simple equipment brake pads for the brakes of the vehicle. This method of manufacture has sufficient flexibility in relation to changing private needs. The present invention is most suitable in connection with the so-called "quick repair workshops". Such workshops with almost negligible inventory can relatively inexpensive equipment to produce various brake pads depending on the existing on site demand.

The brake pads of the prior art, especially for disk brakes, invariably contain a carrier plate, usually made of steel, and the friction pad, izgotovlen the controls of various materials, as the requirements in terms of mechanical interaction relative to the carrier plate, which will send a strong braking force on the brake disk, on the one hand, and the requirements of the pads, on the other hand, are completely different. If method according to the present invention in relation to such brake pads, the method according to the present invention includes a cutting plate, so that the material of the carrier plate, such as steel, is cut to its final dimensions, i.e. the dimensions of the finished brake pads. With this cutting layer material lining plate also acquires the contour (outline) on the carrier plate. After that, the material of the lining carrier plate receives the form in its final form. While the shape on the edge of the carrier plate usually turns out some part of the surface not covered by the material of the lining.

In accordance with another embodiment of the method for manufacturing brake pads according to the present invention initially part of the layer friction lining is removed from the plate, for example, milling, roughly following the outline (contour) brake pads made such that on the part of the layer of the carrier plate was no material lining, matching circuit produce the second carrier plate, so after this layer of the carrier plate may be cut in accordance with the contour, for example, by a laser beam or a water jet.

The invention also relates to a plate for the manufacture of brake pads, and the plate is intermediate the workpiece, i.e. a plate having dimensions that substantially exceed the dimensions of manufactured brake pads and plate as a layer contains a material of the friction lining. If the regular brake pad is made with a support plate made of steel or something similar, and a friction plate made of a material having a large coefficient of friction, said plate containing the above two layers, namely the layer of the carrier plate and a layer of lining. Moreover, the plate perform such size that it can be made at least two brake pads.

Hereinafter the invention will be described in more detail with reference to the accompanying drawings, on which:

figure 1 - view of the plate for the manufacture of two brake pads;

figure 2 is a view in cross section of a plate with figure 1 along the line I-II;

figure 3 is a view of the finished brake pads.

As shown in figure 1, the plate 10 is sufficiently large, so that it can be made two brake pads. According to figure 3 projectors is tallavaara usual way brake pad includes a bearing plate 12 and the friction pad 26. The friction plate has a smaller contour (outline shown in figure 3 as the shaded surface)than the contour of the carrier plate.

Figure 2 shows the plate 1 is a cross-section along line I-II. As shown in figure 2, the plate 10 with figure 1 consists of two layers, namely a layer of frictional material 22 and the layer of material 24 of the carrier plate. Initially, the two mentioned layer of frictional material 22 and article 24 of the carrier plate are continuous over the whole wafer 10 according to figure 1.

In figure 1 the solid lines indicate contours (outlines) of the two bearing plates 12, 14, and, as bearing plates are made in shape in the fully finished product. As is known from the prior art, the bearing plates 12, 14 contain a ledge with an opening 16 to accommodate the installation of the spring 28 (see figure 3). The dotted lines in figure 1 show the external circuit 18 and the internal circuit 20, which pass from the outer side and respectively inside the circuit carrier made of plate 12. Although in figure 1 the dashed line is shown only in connection with the support plate 12 in relation to the other carrier plate 14 corresponding to the dotted line can be drawn (not shown).

According to the first method of manufacturing a brake pad from the plate 10 in its original condition, as described above, the respective cutting with whom estva, for example, a focused laser beam, water jet or milling machine can be used for cutting plate 10 by the solid line.

The result of this method is the preparation for the brake pads, which includes a support plate 12 is essentially in its final circuit without grinding and deburring (if they exist), while the layer of friction material does not yet have its final form, which is indicated by line 20 (see Fig 1 and 3). Accordingly, the workpiece is further processed so that the friction material is removed along the edge of the plate. The result is a brake pad according to figure 3.

According to another variant implementation of the method of manufacturing a brake pad plate 10 in its original condition is processed so that the friction material 22 pads between the dashed lines in the external circuit 18 and the internal circuit 20, respectively, is removed, for example, by milling. After that, the space between the dotted lines of figure 1 is free from friction material, and the material 24 of the base plate (see figure 2) is open, where our plate already received its final shape. After that only the material 24 of the carrier plate must be cut, for example, using a water jet or laser beam popasnoy line with figure 1, corresponding to the final shape of the carrier plate for receiving the brake pads, shown in figure 3, in which the opening 16 is inserted mounting spring 28.

Although the above refers to a steel carrier plate, it should be noted that can be used and other materials for the manufacture of the carrier plate, such as aluminum, plastics, composite materials, reinforced with metal, of any one structure or a multilayer structure.

Depending on the material selected for fabrication of the carrier plate opening its surface may be subjected to anti-corrosion treatment, such as dyeing. The dimensions of plate 10 are such that it can be cut two or more brake pads. This applies to all the brake pads, made of such plates, in particular to the brake pads with the large size.

1. The method of manufacturing brake pads, in which:
a) provide a plate (10)having such dimensions that at least two brake pads can be made from plate (10)and containing a first layer of friction material (22) pads and a second layer of material (24) to the carrier plate of the brake pads, and the first layer covers essentially completely the second layer;
b) removing part of the layer of friction is of material (22) plates with plate (10) in accordance with the peripheral contour of each manufactured brake pads so that part of the layer of material for the carrier plate (10), corresponding to the contour made by the carrier plate, there is no frictional material (22) lining, and
C) cut the plate in accordance with the contour made by the carrier plate.

2. The method according to claim 1, in which two made from plate (10) brake pads are separated from each other on the plate (10).

3. The method according to claim 1, wherein when cutting cut the second layer to the final dimensions of the carrier plate manufactured brake pads.

4. The method according to claim 3, in which two made from plate (10) brake pads are separated from each other on the plate (10).

5. The method according to any one of claims 1 to 4, wherein in step b) remove the layer of friction material (22) plates with plate (10) between the lines (18, 20)arranged on both sides of the outer contour of the manufactured carrier plate (12).



 

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