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.
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This series machines are of general purpose presses, can be used for large sheet metal drawing, bending extrusion, forming and cold punching etc, .
该系列为通用性较广的冲压设备，主要用于大型金属薄板的拉伸、弯曲、挤压、成形等冷冲压。
There are roadway floor heave types such as extrusion, bending under pressure, expansion and shearing dilation, among them bending under pressure is the most common type.
巷道底臌有挤压、压曲、膨胀和剪胀等形式，压曲底臌是最常见的一种形式。
In the paper, the modeling of hydraulic actuator is put forward and the loading boundary conditions of the clamped end of extrusion in numerical simulation of 2d stretch bending is discussed.
本文探讨了拉伸作动筒的建模技术，给出了型材2d拉弯数值模拟载荷边界条件的确定方法。
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