The typical forming rpocesses are rolling, forging, drawing, deep drawing, bending and extrusion.For a better understanding of the mechanics of various forming operations, we shall briefly discuss each of these processes.

• 典型的成形方法有轧制,锻造,拉延,弯曲和挤压。为了更好地理解各种成形操作的机械学原理,我们将简要讨论每一种方法。