Supported by Science Challenge Project of China(Grant Nos.TZ2016006-0103,TZ2016006-0107-02);National Natural Science Foundation of China(Grant No.51975096);Liaoning Revitalization Talents Program of China(Grant No.XLYC1807230);National Key Research and Development Program of China(Grant No.2017YFA0701200)。
Thin copper substrates with high accuracy are highly required in precision physical experiments.However,even using double-sided lapping,the flatness is still limited due to the accuracy of lapping plate,process vibrat...
National Key Scientific Technological Project of the Ninth Five-year of China(No.97-316-01-01)
Varying contact-length backup roll and linearly variable crown work roll are provided for improving the mill performance of profile and flatness control. Integrated with theses technologies, relevant profile and flatn...