6.2Mechanical机械特性
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Item项目
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Test Condition 试验条件
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Requirements 规 格
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6.2.1.
Actuating Force
动作力
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Placing the switch such that the direction of switch
operation is vertical and then gradually
increasing the load applied to the center of
the stem, the maximum load required for
the stem to come to a stop shall be measured.
开关的动作方向为垂直放置开关向推柄中心逐渐地
增加负荷直到推柄停止时所测量的{zd0}负荷
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180 ± 50 gf or
250 ± 50 gf
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6.2.2.
Travel
行程
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Placing the switch such that the direction of switch
operation is vertical and then applying
a static load twice the actuating force to the
center of the stem,the travel distance for the
stem to come to a stop shall be measured.
开关的动作方向为垂直放置开关,
并以双倍动作力的静负荷作用推柄中心,测量推柄从
开始到停止的行程距离
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0.25 ± 0.1mm
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6.2.3.
Return Force
返回力
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The sample switch is installed such that the
direction of switch operation is vertical and,
upon depression of the stem in its center the
whole travel distance ,the force of the
stem to return to its free position shall be measured.
开关的动作方向为垂直放置开关,
在已有行程的推柄中心向上减小压力,推柄回到自由位置
时所测量到的力
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45 gf min
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6.2.4.
Stop Strength
静止强度
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Placing the switch such that the direction of
switch operation is vertical,a static load of
3 kgf shall be applied in the direction of
stem operation for a period of 60 seconds.
开关的动作方向为垂直放置开关,在推柄动作方向施加
3KG的静负荷,60秒时间
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There shall be no sign of damage
mechanically and electrically.
无机械的和电气的损伤迹象
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6.2.5.
Stem Strength
推柄的强度
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Placing the switch such that the direction of
switch operation is vertical,
the maximum force to withstand a
pull applied oppsite to the direction of stem operation
shall be measured.
开关的动作方向为垂直放置开关,
从推柄动作方向反方向施加拉力所测量到的{zd0}承受力
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3 kgf
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