Metal material J-C constitutive equation acquisition method based on orthogonal milling experiment
A technology of metal materials and constitutive equations, applied in the direction of measuring force components, force sensors related to bearings, instruments, etc., can solve the problems that the rheological behavior of metal materials with large strain cannot be applied, time-consuming and labor-intensive, etc., and achieve J-C constitutive The equation is accurate, the mechanical model is stable and simple, and the effect is easy to obtain
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[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0049] Under different cutting parameters, by changing the cutting speed V and the feed rate t 1 (i.e. undeformed chip thickness), measuring the three-way cutting force F during the experiment x , F y , F z and chip thickness after cutting t 2 to get the feed force F f , back force F t and the shear angle φ c , and then use the mechanics theory in orthogonal cutt...
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