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Mechanical equipment such as high temperature vibrating screen in summer is prone to failure

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Date: 2021-09-01

   Do a good job in the maintenance of vibrating screens and other related mechanical equipment in the summer high temperature season, reduce equipment maintenance costs and other abnormal expenses, reduce use costs, extend service life, and help improve corporate efficiency.

  1. Failures of mechanical equipment that are prone to occur in summer

  1) Failure of hydraulic system

In the high temperature environment, the hydraulic system will often experience failures such as pipe burst, joint leakage, solenoid valve coil burnt, hydraulic valve jam, and loud noise; the system using accumulators may cause damage to the accumulator due to the high temperature of the hydraulic oil; Circuits that are aging in the summer will be more likely to crack due to the thermal expansion and contraction of the metal, causing short-circuit failures; electrical components in the control cabinet are also prone to failure in high-temperature seasons, and key control components such as industrial computers may also crash and run slowly. , Control failure and other faults.

   2) Lubrication system failure

Long-term operation of construction machinery under high temperature will cause the performance of the lubrication system to deteriorate, the oil is easy to deteriorate, and the chassis and other transmission systems are easy to wear. At the same time, it will affect the appearance of the paint layer, the brake system, the clutch, the throttle control system and the metal structure. .

  3) Engine failure

The impact of high temperature on the engine is mainly manifested in the rapid rise of engine temperature. Under working conditions with high external temperature, it is easy to cause the engine to “boil”, reduce the viscosity of the oil, and cause mechanical failures such as cylinder pulling and tile burning, and it also reduces the engine. The continuous high temperature has strict requirements on the permeability of the radiator, and requires continuous high-load operation of the cooling system, which reduces the life of the cooling system fan, water pump and other components. It is particularly frequently used for air-conditioning compressors and fans. , It is also easy to cause its failure.

  4) Other faults

In summer, the temperature is high and the humidity is high. If the vent of the battery is blocked, it will explode due to the increase of internal pressure; summer tires working in a high temperature environment will not only increase the wear of the tire, but also cause a puncture due to the increase of internal air pressure; The transmission belt will become longer in summer, which will cause the transmission to slip and accelerate wear. Failure to adjust in time will cause the belt to break and other failures. Small cracks in the cab glass can cause cracks to expand and even burst in summer due to the large temperature difference between inside and outside or splashing water.

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