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The hydraulic relief valve with more than 2 million times of durability, AAK achieved it in 3 times of sampling and Friedlich was promoted

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Update time : 2022-02-09 10:54:14

Compared among 20 hydraulic relief valve manufacturers, none of them is able to do the hydraulic relief valve with 2 million times of durability. AAK hydraulic valve finally achieved it after 3 times of sampling. Friedlich worked in polar company for 4 years and was promoted and raised for the first time.

 

At the beginning of last year, Polar company wanted to develop a new paper cutter. It is expected that the production efficiency will be increased by 50% on the original basis, and the hydraulic relief valve in the hydraulic system is the key, especially the durability of the hydraulic relief valve is required to be 2 million times. The durability of the hydraulic relief valve they previously purchased is basically about 1.2 million times.

 

Friedlich was assigned to purchase this hydraulic relief valve. He realized that this is a challenge and also an opportunity to improve himself. First, he issued proofing requirements to the original hydraulic relief valve manufacturers, asked them to redesign a new production process for the hydraulic relief valve and make samples for testing. After 20 days, Friedlich received samples of hydraulic relief valves from 3 manufacturers. After 1.5 million times, the valve spool or valve body of the hydraulic relief valve was worn one after another, and none of the manufacturers was successful. Friedlich asked the manufacturer with the best durability to make new samples. The manufacturer advised that this is the best durability that he can achieve at present. If a better sample is needed, it takes time to study and try. Friedlich had to find a new hydraulic relief valve supplier. He contacted more than 20 hydraulic valve manufacturers successively. Some had no reply, and some were willing to make a sample for the durability test of hydraulic relief valve.

 

At that time, when AAK received the drawings and working condition requirements from Friedlich, our engineers were also not sure at the beginning, because the durability test of the hydraulic relief valve was more than 2 million times, which has a very high requirement for the material selection. With the efforts of more than 2 months, after the selection, comparison, test to the steel materials and 3 times of sampling, the new production process of hydraulic relief valve was determined. Friedlich received the sample of AAK hydraulic relief valve and conducted the durability test. 2 weeks later, Friedlich asked about the production time of 420 hydraulic relief valves and informed that although AAK was the last one among more than 20 hydraulic valve manufacturers to provide samples of hydraulic relief valves, it was also the only one to pass 2 million durability tests.

 

Last week, almost half a year after these hydraulic relief valves were shipped, Friedlich thanked AAK by email that their paper cutter was equipped with the hydraulic relief valve provided by AAK, it has no any quality complaint and is now selling well. The boss is very satisfied with his purchasing performance. He has worked for 4 years and is now promoted to purchasing manager.

 

He wants to know why only AAK hydraulic relief valve has such good durability. AAK selects 3Cr3Mo3W2V hot working die steel, which can withstand huge mechanical stress in work. It not only has high hardness, strength, wear resistance and toughness, but also has good high-temperature strength, thermal fatigue stability, thermal conductivity and corrosion resistance. At the same time, its high hardenability ensures that the whole section has consistent mechanical properties. Thus, the hydraulic relief valve is protected from erosion during the operation of the hydraulic system, so as to ensure its durability.

 

AAK hydraulic relief valve, the material is selected, designed and produced according to the needs of customers, you are welcome to try a small order!

 

AAK HYDRAULIC VALVE (148) 2022-02-09

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