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6.4 Endurance  耐久性

Item 項(xiàng) 目

Test Condition試驗(yàn)條件

Requirements 要求

6.4.1.

Operating  Life

動(dòng)作壽命

Measurements shall be made following the test

set fouth below:

(1)DC 5V 5mA resistive load . DC 5V 5mA  阻性負(fù)載

(2) Rate of operation : 2 to 3 operations per second

動(dòng)作頻率： 2-3 次/每秒

(3)Depression :_____  gf  動(dòng)作力

(4) Cycles of operation : 100，000cycles

 動(dòng)作次數(shù) 100，000

Contact resistance: 50mΩ   max 接觸電阻

Insulation resistance 100MΩmin.絕緣電阻

Actuating force: 動(dòng)作力

  + 30 % or –30%of initial force.  ±30%初始動(dòng)作力

Item6.1.3

Item6.2.2

6.4.2.

Vibration Resistance

耐振動(dòng)

Measurements shall be made following the test

set forth below: 按下列條件進(jìn)行抗振動(dòng)試驗(yàn)

(1)   Range of oscillation : 10 to 55 Hz  頻率范圍

(2)    Amplitude,pk-to –pk : 1.5mm  振幅：峰-峰 1.5mm

(3)    Cycle of sweep : 10-55-10Hz in one minute, approx

(4)    Mode of sweep : Logarithmically sweep or

(5)     uniform sweep. 掃描周期：10-55-10-Hz約一分鐘內(nèi)

(6)    Direction of oscillation:    振動(dòng)方向

Three mutually perpendicular directions,

including the direction of stem travel,

3個(gè)相互垂直方向，包括推柄行程方向

(7)   Duration of testing   持續(xù)時(shí)間

2 hours each ,for a total of 6hours.  每方向2小時(shí)，

共6小時(shí)

Item 6.1

Item6.2.1

Item6.2.2

6.4.3.

Impact Shock

Resistance

抗沖擊

Measurements shall be made following the test set

 forth below: 按下列條件進(jìn)行沖擊試驗(yàn)

(1)   Acceleration : 80g 加速度

(2)   Cycles of test :3 cycles each in 6 directions,

(3)    for a total of 18cycles  

試驗(yàn)次數(shù)：每個(gè)方向3次，6個(gè)方向共18次

Item 6.1

Item6.2.1

Item6.2.2

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