| Message: | For hydraulic cartridge relief valves with precise small holes, most of manufacturers encountered penetration when processing the Φ4.5H7、Φ4.7H7 holes. AAK used 3 advantages, which not only prevented penetration for 100%, but also reached R0.2mm at the bottom of the small holes. After receiving the samples of AAK hydraulic cartridge relief valves, Arvin sent a PO for hydraulic cartridge relief valves of 20,000 dollars.
Precise small holes of hydraulic cartridge relief valves is a difficult problem in machining. The vast majority of hydraulic cartridge valve manufacturers have difficulty in controlling the processing tools, cutting parameters, cutting stress and processing technology, resulting in easy deformation of components or substandard accuracy. What's more, it is unstable. For example, the precision of the small holes of this batch of hydraulic cartridge relief valves reached the standard, but the next batch has hidden dangers. The most taboo about the quality of industrial products is instability. |
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