摩擦焊接是指利用热塑性塑料之间相互摩擦所生成的摩擦热，使摩擦面受热熔融，经加压并冷却后，即可使其连接在一起的方法。焊接效率30~70%，一般动摩擦系数大的效率高。
文中根据振动摩擦焊接的需要设计了一种新型的电磁式振动头。
A new type electromagnetic vibrating head was designed to meet the use of linear vibration welding apparatus in the paper.
焊接过程中的温度、材料热物性、摩擦力和顶锻压力的相互作用使焊接过程高度非线性。
The inertia friction welding process is a non-linear process because of the interaction between temperature field and material properties as well as friction force and thrust force.
平均单位摩擦力基本上取决于切断压力焊接桥和克服耕犁阻力。
The mean unit force of friction to a great degree depends on shearing of pressure welding bridges and conquering of ploughing resistance.
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