Therefore, the designforce must be increased to ensure that the end-of-life force is adequate to maintain good electrical contact.
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。
2
Figure 1 shows how the end of life force may decrease below the required force, even though the designforce 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。
3
This designforce is usually calculated under the assumption that all part dimensions fall exactly at the midpoint of the allowed dimensional tolerances.