Erasmus is from a hydraulic equipment company in Colombia. He has been purchasing smoothly, but a batch of hydraulic cartridge directional control valves stumped him. The loader sold by their company less than 1 year has been complained of shaking. During after-sales service, it is found on the site that the valve spool of the hydraulic cartridge directional control valve is stuck during operation, which is caused by the deviation of the valve hole accuracy. The original manufacturer advised that there should be not many pieces of hydraulic cartridge directional control valve was stuck and could be replaced, but there were more and more complaints later. The boss was not satisfied with Erasmus's purchase this time, asked him to replace the manufacturer of the hydraulic directional control cartridge valve, and requested that the service life of the valve be more than 18 months. Erasmus contacted more than 10 cartridge valve manufacturers. They either disliked the small quantity or needed 60 days of production. Erasmus became very anxious.
Erasmus found AAK hydraulic valve in B2B and left a message to us: Can you produce the hydraulic cartridge directional control valve in 40 days with a service life of 18 months? I guess he encountered problem when he purchased the hydraulic cartridge directional control valves. After communication, I learned his dilemma in purchasing. According to the drawing of hydraulic cartridge directional control valve provided by Erasmus, this is not difficult, but the key is performance. 2 days later, we received the PO for the hydraulic cartridge directional control valve. Erasmus said that although the price of AAK hydraulic cartridge directional control valve was 20% higher than that of the original cartridge valve manufacturer, he still chose AAK because he valued the 18 months of service life. After 40 days, AAK sent 40 samples of hydraulic cartridge directional control valves.
Last week, Erasmus informed by email that the AAK hydraulic cartridge directional control valve had been installed on the equipment for 1 year, and there was no customer complaint. Most surprising to his engineers, AAK valve hole accuracy reached 0.3μm, but the original directional control valve manufacturer is above 0.7μm. I told him, if no accident, there will be no worries for 18 months. AAK constantly improves the performance of the hydraulic directional control cartridge valve from 3 aspects. Although the price is 20% higher than that of peers, the service life is twice that of peers.
1. In processing, this hydraulic cartridge directional control valve uses OKK ultra precision machine tool of Japan, and its nano level numerical control system ensures that the processing accuracy can reach 0.01~0.3 μm. The precision of shape and contour is 0.003 ～ 0.1μm.
2. In terms of detection, the German small micropore diameter tester is used to detect the valve hole of each hydraulic directional control cartridge valve. 100% full inspection, and the measurement accuracy is within 0.1μm.
3. In terms of assembly, most of hydraulic directional control valve manufacturers adopt the selective assembly method. AAK uses the unified assembly method, and the assembly efficiency is twice that of peers. Not only fast, but also stable.
Although the price of AAK hydraulic directional control cartridge valve is 20% higher than that of its peers, its service life is twice that of its peers. You can also try a small order!
AAK HYDRAULIC CARTRIDGE VAVLES (433) 2022-12-07
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