Although there are a lot of these problems and solutions have been used in a variety of metal forming simulation software wheel manufacturers, but due to the shape of the metal mold complexity, there are many existing methods need to be improved, so it has contact algorithm is one of the problems is still a hot topic in the field of metal forming simulation. For example, in a three-dimensional modeling software, the geometry of the mold surface typically use a lot of flat mesh approximation, although this method determines whether the calculated simple contact, but due to the more accurate description of the shape of the mold require more dense grid roller, so that the contact required for computer search When the more. For complex shape of the workpiece support roller bearings, the workpiece mesh finite element mesh and mold are often wheel prices in the latter part of the part-formed, even when dealing with contact machine boundaries over each time step required when switchboard half. In search technology in recent years, also made a lot of new methods, such as global search, local search. Frictional contact force algorithm also has the penalty function method, Lagrange multiplier method child a variety of algorithms. Friction mechanism, many people designed a special device for the friction law metal forming under different conditions a lot of experiments, found that the actual situation and the Coulomb friction law and Coulomb's law significantly different proposed amendments described in subparagraph Methods. Bearing roller bearings, roller, preferred by Luoyang Super League Super League forging Forging Limited. Luoyang Super League Forging Co., Ltd. (www.lysmzg.com) (www.lysmzg.cn) strong, credible, in Luoyang forging industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Super League forging into the brilliant and you work for a better future! You can also access (www.lysmzg.cn/supply_details_49673140.html), for more information about the company.