Hot bore-setting rolling technology for heavy track of high speed railway


Application Number: 00110731
Application Date: 2000.07.26
Publication Number: 1335210
Publication Date: 2002.02.13
Priority Information:
International: B21B1/08
Applicant(s) Name: Dongbei Univ.
Address:
Inventor(s) Name: Wu Di;Zhao Xianming;Bai Guangrun
Patent Agency Code: 21109
Patent Agent: li yunping
Abstract The present invention realizes high precision rolling of heavy track by combining autocontrol technology, measuring technology, computer technology and four-roller universal bore-setting rolling mill. By means of closed-loop computer intelligent control, bore presetting of different heavy track via mathematic model and the high strength of the rolling mill, the present invention can ensure the integral quality, with the main size tolerance of rolled heavy track being within 20 % of the advanced international standard.