Calculation method for assembly interference magnitude of copper alloy casting roller sleeve

The invention relates to the technical field of casting roller assembly, in particular to a calculation method for the assembly interference magnitude of a copper alloy casting roller sleeve, which comprises the following steps: S1, the sum of torsional shear stress and average tangential thermal stress is equal to assembly shear stress in a casting and rolling process; s2, calculating torsional shear stress; s3, calculating average tangential thermal stress; s4, calculating assembly shear stress; s5, assembling stress; s6, measuring the assembly interference magnitude of the copper alloy roller sleeve; the method serves as a determination basis of the magnitude of interference, is scientific and reasonable, promotes the assembly precision of the copper alloy roller sleeve, improves the cast-rolling production benefits, is applied to a copper alloy roller sleeve material with high heat conductivity to improve the solidification speed of aluminum melt, and therefore the purposes of improving the cast-rolling p