AAK Hydraulic Cartridge Valve Spool High Precision Machining

The day before yesterday, someone left a message on the website of hydraulic
cartridge valve manufacturer AAK: I have read several AAK articles about
valve cage precision machining, and I would like to know how hydraulic
cartridge valve manufacturer AAK ensures the machining accuracy of valve
spools? From the IP, it should be a competitor of hydraulic cartridge valve
manufacturers. My peers would like to see AAK's processing and equipment,
even if they imitate the hydraulic cartridge valve manufacturer AAK, but in
fact, I do not reject it.

Whether it is a cone type valve spool or a ball type valve spool, machining
accuracy is the key. I remember in March this year, Basim from Türkiye met
the problem of high-precision valve spool with a peer of hydraulic cartridge
valve manufacturers in Ningbo. For 3 samples, the cylindricity of the valve
spool hovered between 0.3 and 0.6 µm, and the accuracy was also between 2
and 3 µm. Under the recommendation of a hydraulic cartridge valve
manufacturer in Ningbo, Basim contacted AAK. I told Basim that for the
cylindricity of valve spool below 0.3 µm and the accuracy controlled within
2 µm, although this requirement is a bit difficult, it can still be achieved
in the precision machining process as long as a CNC cylindrical grinder is
used and there is precise automatic detection. Basim seemed a bit hesitant,
so I went to the workshop and filmed a video of the equipment used by
hydraulic cartridge valve manufacturer AAK and how to process the valve
spool. After 3 days, Basim requested us to make 12 samples first.

For valve spools with high requirements, the first choice of hydraulic
cartridge valve manufacturer AAK is Mitsubishi's CNC cylindrical grinder
from Japan for precision machining. At the same time, AAK has also upgraded
the end face measuring instrument and the outer circle measuring instrument,
which can provide synchronous feedback with precision machining. The laser
beam from the end face measuring instrument is synchronously irradiated on
the valve spool end face, and the generated light wave is received and
transmitted to the system. In this way, the precision of the valve spool end
face can be dynamically tested. The outer circle measuring instrument
measures the surface of cylindrical workpieces point by point and corrects
cylindricity from time to time. Once an abnormality is detected, the device
will automatically correct the deviation. There may be many hydraulic valve
manufacturers who dare to buy Japanese CNC cylindrical grinding machines,
but there may not be many hydraulic cartridge valve manufacturers in Ningbo
China who dare to upgrade their measurement systems.

The higher the precision of the valve spool, the more important it is to
focus on precision machining equipment, automated testing system, and
specialized machine operation management. With these 3 basic points, after 3
to 6 months of mutual adjustment, human errors are basically eliminated. 2
weeks after Basim received 12 hydraulic cartridge valves samples from AAK,
we were advised that their engineers first disassembled 6 samples and
approved AAK samples only after testing the accuracy of the valve spool.

Hydraulic cartridge valve manufacturer AAK in Ningbo China, focuses on 3
points, and is not afraid of the difficulty of the valve spool. You can also
give it a try.

AAK HYDRAULIC CARTRIDGE VALVES (720) 2023-11-21

https://www.aakindustry.com/info , -detail/hydraulic-cartridge-valve-
manufacturer , s-aak720

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