Different from hot forging(Rough but with low deformation force)And cold forging(High precision but large deformation force),Warm forging technology700-900℃Forming gear components in intervals,Can ensure the accuracy of tooth profile while,Significantly reduce mold load and avoid severe decarburization on the surface。A certain automobile transmission system factory recently adopted warm forging+Manufacturing differential ring gear forgings using waste heat controlled cooling technology,The amount of residual wear on the tooth surface has increased from the original1.2mmbe reduced to0.5mm,Improved material utilization rate12%,And the fatigue life test is superior to traditional hot forging。Warm forging is becoming the market-oriented preferred path for medium precision and high load components。
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