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Factory Can Not Even Achieve The Valve Spool Ra Value at 0.16μm, but AAK Has Already Mass Produced Hydraulic Valves 5 Times Finer Than It

Create: 09/01/2021
Expired Date:10/01/2021
Category: Hydraulic presses [Equipment&Machinery]
Message:Factory Can Not Even Achieve The Valve Spool Ra Value at 0.16μm, but AAK Has Already Mass Produced Hydraulic Valves 5 Times Finer Than It Charles is our old hydraulic valve customer. Some time ago, he purchased a batch of hydraulic flow valves from a hydraulic valve manufacturer in Guangdong. However, he didn't expect to be busy on changing suppliers before the order was shipped. The hydraulic flow valves can not pass inspection. The surface roughness Ra value of hydraulic valve spool work piece should be below 0.16μm, but there was 0.2μm、0.25μm、0.28μm in mass production. The problem had not been properly solved through repeated communication. Seeing that the delivery date was coming, Charles was worried and could only plan to cancel the order with his customer. It is easy to lose the customer if there is no solution but directly express the problem like this. His boss asked him to get the solution and let the customer decide whether to cancel the order. I noticed that he was asking for help on LinkedIn. After communicating with him, I learned the whole story. This hydraulic valve factory in Guangdong is Charles’ old supplier. It has been supplying his company with some conventional hydraulic valves. He had asked the factory whether the surface roughness Ra value of the valve spool could reach below 0.16μm, and the factory said that there was no problem. The proofing was also smooth, then Charles decided to place order with this hydraulic valve factory. Later, it was learned that this hydraulic valve factory could not produce hydraulic valve with Ra value below 0.16μm due to the limitation of its own process equipment and technology. The factory was worried that the customer might walk away, so he accepted the order regardless of his ability. The proofing of this factory’s hydraulic valve was outsourced. It was originally agreed that the mass production was also completed by the proofing factory, but the proofing factory rejected the production of the goods finally.
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