Transactions of Materials and Heat Treatment

Title：Necessity and technical summary of the development of national standard ‘Steel cross wedge rollings-Technological design principle’

Authors： Zhang Jungai Zhang Kangsheng Jin Hong Li Yu Wei Wei Zhou Lin Chen Lin Zhang Yuhong

Unit： Hebei Dongan Precision Manufacturing Co. Ltd. Hebei Technology Innovation Center of Cross Wedge Rolling University of Science and Technology Beijing Beijing Research Institute of Electrical Technology Ltd.

KeyWords： steel cross wedge rolling technological design national standard technical summary necessity

ClassificationCode：TG335

year,vol(issue):pagenumber：2019,44(3):188-192

Abstract：

As an advanced technology for shafts forming, cross wedge rolling is widely used in automobile, tractor, construction machinery and non-walking machinery industries and gradually accepted by foreign automobile industry. In order to promote the development of domestic cross wedge rolling industry norms and enhance China′s voice in the international arena, referring to the relevant professional technical norms, combining with the domestic cross wedge rolling manufacturing level, technical capacity, equipment types and production status, the principle of process planning for steel cross wedge rolling was formulated on the basis of a large number of theoretical researches and engineering data verifications. The principle included the process flow of cross wedge rolling, the determination of process parameters (raw material performance parameters, heating temperature, heating time, roll speed, heat treatment method, surface quality parameters), equipment selection, die design and quality control, etc. At last, it was applied in manufacturing enterprises to produce parts by cross wedge rolling, and good application results were obtained.

Funds：

国家标准化管理委员会2013年第二批国家标准计划项目（20131581-T-469）

张军改（1965-），女，学士，正高级工程师，E-mail：zjg@hbdongan.com

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