Abstract
With the development of modern agriculture, agricultural vehicles have broad prospects for development, for existing problems of the agricultural vehicles spur gear original forging die , designed new precision forging new technology of gear and new type precision forging die to use for production , in order to enhance radial intensity of concave model and reduce the cost of updating die, using fluctuating concave model level bisection ，three-player pre-stressed composite concave model structure ，lock-oriented , top concave model and model core are floating . Forgings parts formed in a closed ring mold cavity ，forging parts without fly side , significantly reduce turning remaining of semi-finished product,the material utilization, production efficiency and quality of forgings significantly improved , gained good economy benefit.
Published Version
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