Low pressure casting
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Transport component motor parts

  • Category:Auto parts
  • Views:Times
  • Release date:2020-04-02
  • Description


How to analyze the sealing test results of diesel engine cylinder.

There are seven factors that harm the sealing of cylinder. The key problems are cylinder wear, piston ring damage, piston wear, cylinder seat damage, valve guide wear, cylinder gasket damage, valve so on.

What are the common ways of diagnosis? The key points are the measurement of cylinder pressure, gas supply volume of crankcase channeling, steam leakage volume steam leakage rate of cylinder, vacuum value of air inlet, vibration measurement of noise caused by excessive wear of cylinder piston group, measurement of water content of particles in the worn metal material of crankcase.

For the measurement of cylinder reduction pressure, the key is the pressure at the end of reduction of four stroke diesel engine. The production manufacturing of auto parts cast aluminum parts is based on the following factors: whether the adjustment of valve mechanism is appropriate the sealing of cylinder gasket when the pressure of cylinder the viscosity of engine oil the piston group of cylinder are matched with each other. Therefore, the manufacturer of auto parts cast aluminum parts can confirm the sealing condition of cylinder piston group when measuring the pressure of cylinder of diesel engine, if the piston ring If the air cylinder cylinder gasket have good sealing performance, then the air space of the air cylinder must be moderate.

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