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Many manufacturers cannot avoid hole position drift of hydraulic valve blocks. AAK solved it by using outer circle to adapt to inner hole 3 years ago

Create: 07/23/2022
Expired Date:08/22/2022
Category: Hydraulic presses [Equipment&Machinery]
Message:Jone is a hydraulic customer from Canada. In recent years, his purchasing of hydraulic valves has been very smooth. However, an urgent order of 200 hydraulic valve blocks in his hand recently gave him a headache. The customer reported that 70% of the hydraulic valve blocks had large coaxiality deviation between the hole and the outer circle, which damaged the thread of the cartridge valve during assembly. The customer requested him to replenish half of the hydraulic valve blocks within 15 days, but the original manufacturer of the hydraulic valve blocks had to surrender. Although the lathe processing parameters were adjusted, and even the hydraulic valve block materials were changed, the hole position drift could not be solved, that is, the coaxiality deviation between the hole and the outer circle was large. Jone consulted more than 20 hydraulic valve block manufacturers before and after. Most of the manufacturers said that they could not completely avoid the drift generated during the drilling process of the hydraulic valve blocks, which could only be controlled between 1-2‰, but the customer's requirements could not be higher than 1‰. A week had passed, and Jone was still unable to give a plan for the aftermath, and his boss was not satisfied.
City:Hangzhou Zhejiang[CN] 
Location:
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