机械力造成的刺激继电器触点的操作原则的工作。在一个或多个绕组对磁芯或核心，因此，长期的机电式继电器通过电流流动产生的机械力。
The mechanical force is generated through current flow in one or more windings on a magnetic core or cores , hence the term electromechanical relay.
这样你可变换你的注意力从一个触点到另一个触点。
Thus, you can shift your attention from one touch point to another.
对于更加复杂的情况，由于众多因素的影响，触点产生的法向力会随着时间的变化而变化。
To further complicate matters, the normal force generated by the contact will change over time, due to several factors.
所有的电气触点都可以在接触界面提供一定量的法向力。
Every electrical contact is designed to provide a certain amount of normal force at the contact interface.
粘性土团粒间孔隙水的连通状态决定于团粒接触点附近渗透结合水膜的粘滞力和外界水力梯度的渗透力之间平衡状况；
Second, the state of inter-aggregate pore water of cohesive soil is determined by(balanced) condition between damping of bound water membrane and permeability pressure of hydraulic gradient.
而事实上，由于在规定的尺寸公差内的产品的差异，触点实际承受的力与设计力是不同的。幸好，这些差异可以用于提供大于设计值的触点压力。
In reality, the actual force experienced by the contact will typically be different from the design force, because of actual product variation within the specified dimensional tolerances.
该机器采用进口可控硅模块控制，焊钳夹力大小可随意调节，而且焊钳触点为高铬铜。
Tis kind of machine adopts import grade SCR module control system. The contact of electrode holder is made of high chromium copper and the force of electrode holder can be adjusted freely.
因此，必须增加设计力以确保末期触点压力足以维持良好的电气接触。
Therefore, the design force must be increased to ensure that the end-of-life force is adequate to maintain good electrical contact.
图- 1显示了末期触点压力是怎样降低至要求的力之下的，即便设计力大于要求的力。
Figure 1 shows how the end of life force may decrease below the required force, even though the design force is well above the requirement.
图- 1显示了末期触点压力是怎样降低至要求的力之下的，即便设计力大于要求的力。
Figure 1 shows how the end of life force may decrease below the required force, even though the design force is well above the requirement.
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