High-flow-rate ultra-large-diameter semi-milling and semi-welding closed ternary impeller and manufacturing method
A super-large-diameter, three-dimensional impeller technology, which is applied to pump components, non-variable pumps, components of pumping devices for elastic fluids, etc., can solve the impact of impeller aerodynamic performance, large degree of distortion, and inability to guarantee accuracy And other problems, to achieve the effect of good processing quality, precise shape and positioning, easy to polish and smooth
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[0038] Figure 2-5 Shown is the flow chart of manufacturing the large-flow, super-large-diameter, half-milled, half-welded closed ternary impeller according to the present invention, in which:
[0039] Such as figure 2 As shown, the integral forgings of the wheel cover and the roulette are mounted on the CNC machining center, the forgings are turned, and the outer contours of the wheel cover and the roulette are turned with a radial feed, and the machining allowance is 4-6mm;
[0040] Such as image 3 As shown, half of the impeller runner is roughed, semi-finished and finished on the semi-finished wheel disc and wheel cover forgings. After completing this process, the size of the impeller runner basically meets the requirements of the drawing;
[0041] Such as Figure 4 As shown, the impeller wheel cover and the impeller wheel disc are butted, and the two parts of the impeller are welded as required;
[0042] Such as Figure 5 As shown, when the impeller wheel cover and the impeller ...
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