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xiaoxiaoxuan wrote 233 articles and got 9 comments. The last article was submitted on 16/10/17

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Effectively improve the performance of Impact crusher

Date 15/09/17 06:34 Views 38 Сomments 0

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Machine vibration strong cause analysis:
Equipment running a strong vibration and noise, the rotor bearing temperature increased rapidly, resulting in bearing burned, the Impact crusher can not function properly. As the hammer often used castings, casting and processing of low precision, the quality of the plate hammer difference between the larger, if not taken when the assembly of certain measures, will cause the rotor quality imbalance. And because the rotor of the larger quality, high rotation speed. Unbalanced will produce a strong polarization, so that the bearing heated. Even burn out.
Even when the replacement of the hammer to take effective measures, the rotor in line with the balance requirements, but the machine after a period of time, due to the uneven hammer wear and tear, will lead to uneven rotor vibration.
Measures to avoid machine vibration is to keep the rotor balance. If the vibration of the machine in the production is aggravated, it should be stopped to check the wear of the plate hammer. If the plate hammer wear does not reach the wear limit, it should be changed edge or transposition, so that the rotor to restore balance; if the plate hammer wear has reached the wear limit, it should be replaced.
Plate hammer wear serious cause analysis:
Plate hammer wear is the main failure form of the Impact crusher. General plate hammer short life, consumption, need to reserve a large number of spare parts in order to maintain normal production, high production costs.
Plate hammer short life of the reasons there are two: First, the choice of improper plate hammer material. Now the anti-crusher material for the high-chromium cast iron, wear resistance is good. Second, the choice of improper plate hammer structure, the same conditions in the material under the effective wear and tear, wear a lot of plate hammer natural long life.
The treatment measures can improve the service life of the plate hammer from the scientific selection of the material of the plate hammer and the optimization of the structure of the plate hammer. Plate hammer selection, should choose some good wear resistance materials, such as high chromium cast iron and low carbon alloy steel.
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