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Roll that bears large rolling load during the hot rolling process is one of the important components of rolling mill. This paper describes an investigation into the stress level of roll using ANSYS software to model rolling process. Two FEM model involving in three-dimensional and nonlinear contact have been established successfully to evaluate the working stress of the roll barrel and roll end. The...
Thermoelectric cooler has dynamic thermoelectric performance under complex environment. A dynamic model of thermoelectric cooler is derived using small-signal linearization method. It shows that the dynamic model of the thermoelectric cooler has one zero and two poles. The dynamic model of thermoelectric cooler is shown to vary with different operating condition. Based on average linear dynamic model...
The link suspension system has been used to install a BOF vessel shell in the trunnion ring and has been adopted widely in many steelmaking workshops all over the world. This system is a key component of the oxygen steelmaking process and combines the advantages of well-proven suspension systems with the design philosophy of static determinacy in any operating condition and status of deformation....
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