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What does the Valve hole 2μm accuracy rely on to guarentee? Hydraulic manifold manufacturer AAK has a Swiss CMM

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Update time : 2023-10-19 13:58:30

Last weekend, Boris from Russia left a message on the website of hydraulic manifold manufacturer AAK: I have followed your article about valve hole accuracy 2μm for hydraulic manifolds. How does AAK do the precision machining? After communication, we learned that Boris is an engineer from a hydraulic manifold manufacturer in Russia, who also purchases from Chinese hydraulic manifold manufacturers. Although their supplier also has German Gehring high-precision CNC honing machines like AAK, there are still a small number of valve holes that do not meet the accuracy standards, which makes him very distressed.

 

This is a very interesting message. Boris seems to be learning from hydraulic manifold manufacturer AAK and doesn't seem to believe it very much. I asked Boris if he knows how his supplier checks the accuracy of valve holes after precision machining. I sent him a video of AAK valve hole accuracy testing. 3 days later, Boris replied that his original supplier did not have such testing equipment.

 

Today, I received his inquiry for a hydraulic manifold, the valve hole accuracy needs to be controlled within 2μm and with a verticality tolerance controlled within 5 microns, this may be an appetizer for Boris testing hydraulic manifold manufacturer AAK. I am very confident in winning a high-quality hydraulic manifold customer.

 

How does hydraulic manifold manufacturer AAK detect the accuracy of valve holes after precision machining? For the testing of this manifold, we use a Swiss HEXAGON bridge type CMM. The hydraulic manifold is placed on the testing platform, and the instrument starts working. The probe for testing is placed on the valve hole. The dimensional accuracy of the valve hole and the geometric accuracy of the manifold block are controlled through a program, and the data is presented on the computer screen. The accuracy of the detection, as well as the geometric accuracy of the hydraulic manifold, especially the triangular beam bridge design, is more stable during the detection process. There is also a dovetail guide rail, which is easy to operate and does not need to worry about human error. Good precision machining indeed solves the problem of accuracy, but high-precision testing is still needed. With this dual approach, there is no need to worry about customer complaints.

 

Hydraulic manifold manufacturer AAK, with tips for precision machining and personalized precision testing, you can also give it a try!

 

AAK HYDRAULIC VALVES (696) 2023-10-19

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