Special clamp for abrasive flow polishing of narrow flow passage closed impeller flow passage
An impeller flow channel and special fixture technology, applied in grinding/polishing equipment, surface polishing machine tools, abrasives, etc., can solve the problem of not being able to use narrow flow channel closed impeller flow channel polishing, etc., to achieve a simple structure and simplify the fixture. Structure, the effect of reducing resistance
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[0021] The present invention will be further described below in conjunction with the accompanying drawings. like Figure 2-3 As shown, a special fixture for abrasive flow polishing of a narrow channel closed impeller channel, including a floating lock 1, a lower mold body 2, a backing plate 3 and an upper mold body 4, and the upper mold body 4 and the lower mold body 2 are composed of A cylindrical cavity, its inner diameter is larger than the diameter of the impeller 5; the pad supporting plate 3 is a disk whose diameter is the same as that of the impeller 5, and is fixed on the lower mold body 2 by screws and washers. The central hole of the pad supporting plate 3 is Inverted tapered hole, and concentric with the center hole of the lower mold body 2; the floating lock 1 is composed of two upper and lower discs and studs and bolts connecting the two discs, passing through the backing plate 3 and the lower The center hole of the mold body 2, the upper disk of the floating loc...
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