Piston Ring air tightness detection will develop towards convenience

In the process of piston ring air tightness detection, if only individual new piston rings are detected, the requirements for convenience and operability can be appropriately reduced. If a batch of produced piston rings are detected, that requires good convenience. Therefore, the air tightness detection of piston rings will develop towards convenience. The detection of piston ring air tightness is mostly tested by single cylinder machine, but single cylinder machine has various models, which has certain influence on the design of engine piston ring. Therefore, the design and testing of piston rings will tend to be a standard. At present, the air tightness measurement of the piston is mainly to indirectly reflect its air tightness through the leakage light between the piston ring and the standard part, so the air tightness measurement accuracy is not high. However, the above-mentioned detection method using cylinder pressure gauge and crankcase air leakage detector has relatively low accuracy, so the air tightness of piston ring will develop in a more accurate direction. In the process of piston ring air tightness detection, if only individual new piston rings are detected, the requirements for convenience and operability can be appropriately reduced. If a batch of produced piston rings are detected, that requires good convenience. Therefore, the air tightness detection of piston rings will develop towards convenience. In the past 15 years, 1st compression rings of gasoline engines in the world have been changed from cast iron rings to steel rings, especially in Europe and Japan. Under the condition of high rotating speed of gasoline engines, 1st steel rings with low axial height have now become standard parts. During this period, more than 1st of the 90% rings of engines developed are nitrided steel rings, however, most of the 2nd rings adopt cast iron rings with lower cost, and select corresponding structural types and working surface coatings according to their respective functional requirements. Today's piston rings are made of cast iron and steel of various qualities. Firstly, the bearing capacity of cast iron material is investigated according to the indexes of material strength, elongation, fatigue strength and wear resistance, for the first compression ring, a ductile iron with high bending strength and elastic modulus should be specially selected, and its matrix is martensite to obtain high hardness, the side has good wear resistance. The piston ring can be applied to the uncoated ring, and a material with fine sheet structure casting quality under quenching and tempering heat treatment State is developed. By generating special carbides of chromium, vanadium, manganese and tungsten elements, and martensite matrix structure to obtain good wear resistance.

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Growing revenue is a common goal for many businesses. We want to be sure HEARTEN include leaders from the marketing, sales and production departments to help make certain that the goals we choose are appropriate and have strong support.

GUANGZHOU HEARTEN AUTO PARTS CO,LTD. clearly knows that people often launch something and love it and want to go on and on about it, but that's too normal and mediocre. There are lots of other competing products, so we need to keep it very, very unique.

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