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Introduction of bearing position repair of roller press

Date:2019-07-12 15:24 Source:未知Views:

Roller press is a kind of equipment designed according to the grinding principle of material bed. Although the price is high, it has been widely used in cement, iron and steel, mining and other grinding industries because of its high energy utilization ratio.

Because the manufacturer, extrusion mode and transmission structure are different, coupled with a variety of factors in use, roller bearing wear will intensify. When enterprises choose equipment at first, they often consider the purchase cost of equipment and ignore the actual operation value of equipment according to the economic situation of the enterprise, which is also one of the main reasons for the increase of failure rate.

Taking cement industry as an example, bearing wear of roller compressor is a common problem. Once the wear reaches a certain degree, the bearing disc bolt will break frequently. For a long time, most of the roller shaft wear repair adopts return maintenance, which not only takes a long time, but also costs high, and more importantly, once the damage occurs in the prime time of cement market, the loss is huge. This also runs counter to the original intention of the enterprise.

Repair principle

According to the characteristics of roller shaft, the shoulder base surface of the former rear shaft is used as the positioning, and the machining standard template ruler is made according to the taper of the bearing position (usually 1:12 and 1:30). The template ruler is used as the repair tool to determine and measure the concentric and taper dimensions of the repair to meet the assembly requirements of the new components and bearings. At the same time, more than 95% of the surface matching requirements after repair can be guaranteed, which is nearly twice as large as the matching area of the new parts, so as to better meet the stress requirements and achieve the recent application effect.


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