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Home > News > Factors affecting the impact crusher safety issues

Factors affecting the impact crusher safety issues

Date: 14/02/20      Author: kefidmobilecrusher.com

Impact crusher rotor plate with high-speed rotary hammer, hit, impact and grinding stripping materials, so it easy to wear, especially crushing medium hardness and wear faster than the material. Impact hammer life factors: material, manufacturing quality plate hammer, is the nature of the rotor peripheral speed, board hammer structure, such as grinding materials processing capacity.

Our first major manufacturer of high manganese steel hammer, the use of high-manganese steel heat treatment process, while on board the hammer material selection problem, the company after several studies, embedded in the plate hammer on low alloy white cast iron, so hammer more than double the life <relatively high manganese steel).

When Impact crusher crushing coal, its white cast iron plate hammer available.

Some factories in the steel plate hammer, with the electrode surfacing layer, or the high-manganese steel surfacing welding on high-manganese steel hammer, so that high manganese steel casting hammer life by 30%.

In addition to the hammer material impact on life expectancy, for the following reasons also affected the life of some of the board hammer crusher, Impact crusher due to the higher line speed rotor, the rotor is equipped with 3-6 blocks, up to 8-10 boards hammer. Hammer turned around two plates intervals of only a few tenths of a second. In such a short period of time, only a small number of materials can piece together into the crushing chamber, and most materials, especially bulk materials, only one end into the crushing chamber, which hit the hammer is not the focus of the material block, that hammer is not block with material positive impact crusher, but the oblique collision cover. This not only reduces the crushing effect, but also caused friction between the material and the sliding plate hammer, causing the plate hammer wear quickly. In addition, the back panel of the sticky powder, powder friction plate hammer and more serious, thus accelerating its wear.

In order to reduce the wear plate hammer, not the number on the rotor plate hammer excessive rotor diameter should not be too small, to increase the height of the board hammer properly, and try to put the material into powder, soil and water pre-screening In addition.

Back plate is only the second son of plate hammer wear withstand greater impact loads. Its material is generally of high manganese steel casting, is also useful in carbon steel. When crushed coal can also be welded together using ordinary steel.

KEFID wear-resistant plastic wrap back plate, back plate or stone bankruptcy recess, instead of metal surfaces to improve the life of the back plate. Some of our factories, according to the law of the back plate wear, according to their degree of wear of each part, using part of the partition to install and replace, service life more than doubled.

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