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Two million times of hydraulic cartridge directional control valve, AAK wins the Brazilian manufacturer

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Update time : 2022-10-03 16:06:49

Merchant is from Brazil. In the second half of last year, they developed a hydraulic power unit, which requires a hydraulic cartridge directional control valve and has a durability of more than 2 million times. Considering the development lead time, Merchant decided to select the manufacturer of hydraulic cartridge directional control valve from Brazil. One week later, all manufacturers could not guarantee the durability of 2 million times. Only one manufacturer accepted the trial order. 45 days later, the manufacturer still has not sent the samples, and Merchant was informed that the hydraulic cartridge directional control valve failed the internal test in the factory, so a new sample is needed, and the delivery date is difficult to determine. All the components required for the equipment are in place, except for the hydraulic cartridge directional control valve. The merchant was pushed by the engineer again and again.

 

Merchant tried to contact the overseas hydraulic valve manufacturers for this hydraulic cartridge directional control valves. Because of the small quantity and high requirements, few manufacturer paid attention to Merchant. Merchant was embarrassed and worried until he met Nicholas, an old colleague, and let him see some hope. Nicholas sent me an email and CC Merchant, then I knew that Merchant had encountered difficulties in purchasing hydraulic cartridge directional control valves. Nicholas mentioned in his email that if AAK can't achieve the hydraulic cartridge directional control valve for 2 million times, then don't waste time in Ningbo. I think this is Nicholas's greatest trust in AAK.

 

According to the drawing of hydraulic cartridge directional control valve sent by Merchant, it is not a big challenge. I told him that based on Nicholas's trust in AAK, I would arrange the workshop to start programming. Samples will be sent out within 5-6 weeks. Merchant immediately relaxed and paid for development fee. Two weeks after the AAK hydraulic cartridge directional control valve was sent, the Merchant emailed us that AAK hydraulic cartridge directional control valve help to test the machine smoothly, but the performance is a little worried.

 

I told Merchant that the performance of AAK hydraulic cartridge directional control valve for 2 million times is not a slogan, but an existing fact. Otherwise, Nicholas would not introduce AAK to him, so that he could be relieved. Because AAK has 3 advantages in terms of performance:

 

1. In terms of material selection, the valve body of the hydraulic cartridge directional control valve is made of Japanese SCM415 alloy steel, and its mechanical properties are more than 70% stronger than those of similar materials. After carburizing and heat treatment, the hardness of the valve body is higher than HRC65, and the wear resistance is more than 3 times of the general 45 steel. Material selection is the key, heat treatment is the core, and most of the peers are not sufficient here.

2. In terms of machining, the valve hole of this hydraulic cartridge directional control valve is machined with diamond reamer, which is completely ground without trace, and the accuracy of the valve hole is guaranteed to be within 1.2μm, the surface roughness reaches Ra0.2-0.3.

 

3. In terms of technician, with 30 years of experience and 12 years of equipment operation, it is difficult for the operation to be with defects. There is no third one in Ningbo.

 

AAK hydraulic cartridge directional control valve, with the performance of 2 million times, you can also have a small try!

 

AAK HYDRAULIC CARTRIDGE VALVES (368) 2022-10-03

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