Process method for improving manufacturing accuracy of aluminum-alloy open-type integral impeller
A technology of integral impeller and manufacturing precision, applied in the field of open integral impeller processing technology, to achieve the effect of improving stability, good product quality and improving reliability
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[0053] This example is manufactured as attached Figure 1 to Figure 3 For a high-performance integral impeller shown, the part height of the integral impeller is H=68mm, and the outlet diameter is D 出 =Φ120mm, impeller inlet diameter is D 进 =Φ82mm, blade height H at the inlet end 出 =27.1mm, blade height H at the outlet end 进 =9.58mm, the thinnest blade thickness δ min =0.9mm, the minimum distance l between adjacent blades min =6.3mm, the number of blades distributed on the blade circumference is Z=12, and the material is 2A50 aluminum alloy. The overall impeller working condition must meet high speed, large thrust-to-weight ratio, high performance, and its curved surface error is small, high precision, and good dynamic balance performance.
[0054] The technical method for improving the manufacturing precision of the aluminum alloy open integral impeller, the specific steps are as follows:
[0055] Step 1: Prepare materials:
[0056] Prepare Φ130mm 75mm 2A50 aluminum a...
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