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The original manufacturer cannot handle RV12-26 hydraulic pressure control valve with special requirements, and AAK solved it with 2 strict processes

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Update time : 2023-12-12 15:22:14

A few days ago, Anthony from Spain needed to purchase a hydraulic screw-in cartridge pressure control valve equivalent to HydraForce RV12-26, but with a special requirement for the accuracy of the valve cage. Anthony chose a hydraulic cartridge valve manufacturer in Ningbo China who had cooperated with him for 2 years. However, the accuracy of the valve cage for RV12-26 hydraulic pressure control valve was unstable. The original manufacturer made samples for 3 times and all failed. 2 months have been wasted, and the engineer was very dissatisfied. Anthony was very frustrated.

 

Last week, Anthony browsed the website of AAK hydraulic cartridge valve manufacturer on B2B and left a message:

1. Do you have procedure for RV12-26 hydraulic screw-in cartridge pressure control valve?

2. Can the valve cage of hydraulic pressure control valve be customized with special requirements?

3. Can you ensure that the valve cage of each hydraulic pressure control valve meets the accuracy requirements?

 

After communication, we learned that Anthony encountered a problem with the accuracy of the hydraulic pressure control valve cage when purchasing from the original hydraulic cartridge valve manufacturer. In response to his special requirements, we provided 2 suggestions: optimizing the precision machining of the valve cage and conducting 100% independent testing of the valve cage accuracy. Anthony asked, how does AAK detect the accuracy of valve cages? First, I told Anthony that accuracy is not determined by testing, but rather by precision machining. For valve cage with special requirements, focus on precision machining only cannot avoid potential problem completely. At this point, testing is to eliminate the hidden problem, and the original hydraulic cartridge valve manufacturer may have overlooked this detail.

 

The valve cage of this hydraulic pressure control valve can be precision machined using the TOYODA cylindrical grinder from Japan. The stable grinding accuracy is the best among our experienced technicians, not only high in accuracy, but also stable. Especially low vibration bed and high-precision feed mechanism, combined with specialized cutting fluid, the processed hydraulic pressure control valve cage has a clear contour and a surface finish of within Ra0.2μm, the dimensional accuracy tolerance is within 0.5μm.

 

Regarding the inspection of the hydraulic pressure control valve cage, please refer to the video of our workshop's on-site operation. This is a KEYENCE measuring instrument imported from Japan, which is equipped with a 20 megapixel CMOS laser probe. Before testing, our QC first inputs the size requirements of the valve cage into the program, then places the valve cage into the platform. After starting the equipment, the laser probe starts working, and the valve cage of the hydraulic pressure control valve is imaged 360 degrees by the camera and automatically focuses. The entire contour data of the valve cage can be read in 3-5 seconds, and the program automatically compares. If the accuracy meets the standard, the screen will display green, otherwise it will be red. With this authoritative testing, the defective valve cages are eliminated to ensure that the accuracy of each valve cage delivered is up to standard.

 

Today, we received the trial order from Anthony, who is our third new customer in Spain.

 

AAK hydraulic screw-in cartridge pressure control valve, strictly controlled with 2 processes, you can also give it a try.

 

AAK HYDRAULIC CARTRIDGE VALVES (735) 2023-12-12

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