| Message: | Isacco compared more than 10 hydraulic manifold factories. No manufacturer can achieve the light hydraulic manifold with pressure resistance of 450MPa, and AAK successfully completed the sample at one time. At the beginning of last year, Isacco’s company developed an aviation hydraulic power unit, which is the first time for SICMI company to try aviation equipment. Their customer specially mentioned that the hydraulic manifold should withstand a high pressure of more than 450MPa, especially pay attention to the weight of the hydraulic valve block, because the aviation equipment has strict restrictions on the weight of each part, and this hydraulic valve block must be made of ultra light aluminum.
Isacco got the purchase list of hydraulic manifolds. First, he contacted the current hydraulic manifold manufacturers. Only 3 manufacturers agreed to try samples, and other manufacturers gave up. 1 month later, Isacco successively received the hydraulic manifold samples. After installation and commissioning, the high pressure resistance test of the hydraulic manifolds from 2 factories failed. Although the pressure resistance test of the hydraulic manifold of the 3rd factory was successful, its weight was more than 20% higher. Isacco asked the 3rd hydraulic manifold manufacturer to re-sample, but the manufacturer advised that 7075 aviation aluminum is the lightest material. Isacco had to look for new hydraulic manifold manufacturers again. He contacted more than 10 hydraulic manifold manufacturers successively, but there was basically no feedback.
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