New Fashion Design for Door Air Valve - Crankshaft – DONGYI

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Crankshaft:a most important element of  compressor,normally die forged by medium carbon steel or medium carbon alloy steel.To improve resistance to abrasion and fatigue,journal is processed with high-frequency quenching or nitriding treatment,as well as ground finishing to obtain high surface hardness and surface roughness.Under cooperation with connecting rod,it turns the gas pressure on piston into the power of rotation,and transferred to the transmission mechanism of chassis,and meanwhile,...


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continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for Air Pressure Reducing Valve , Hydrogen Ball Valve , 3mm Plastic Ball , Our Lab now is "National Lab of diesel engine turbo technology " , and we own a professional R&D team and complete testing facility.
New Fashion Design for Door Air Valve - Crankshaft – DONGYI Detail:

Crankshaft:a most important element of  compressor,normally die forged by medium carbon steel or medium carbon alloy steel.To improve resistance to abrasion and fatigue,journal is processed with high-frequency quenching or nitriding treatment,as well as ground finishing to obtain high surface hardness and surface roughness.Under cooperation with connecting rod,it turns the gas pressure on piston into the power of rotation,and transferred to the transmission mechanism of chassis,and meanwhile,to drive the actuating mechanism and other auxiliary devices,such as blower fan,pump and power generator etc.
When in operation,it bears gas pressure,inertia force and inertia moment.It suffers form great and sophisticated stress,and as well as the impact effect of alternating load.Meanwhile,being a fast rotating component,it should be provided with enough rigidity and strength,outstanding ability to bear impact load,and excellent abrasion resistance and lubrication.
Crank is the connecting part between main journal and connecting rod journal,with cross-section being and oval.To balance the inertia force,there is a balance weight cast(or fastened) on the crank.The balance weight is used to balance the unbalanced centrifugal moment of compressor,and sometimes used to balance a part of reciprocating inertia force,thus to keep the crank running smoothly.


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We now have our own gross sales team, style and design workforce, technical crew, QC workforce and package group. We now have strict quality manage procedures for each system. Also, all of our workers are experienced in printing industry for New Fashion Design for Door Air Valve - Crankshaft – DONGYI, The product will supply to all over the world, such as: Greece , Thailand , Florida , With high quality, reasonable price, on-time delivery and customized & customized services to help customers achieve their goals successfully, our company has got praise in both domestic and foreign markets. Buyers are welcome to contact us.
  • The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Daniel Coppin from Armenia - 2018.09.21 11:44
    The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
    5 Stars By Jane from Chile - 2018.02.08 16:45
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