4. 机械特性 Mechanical Characteristics
No. 项 目
Item 测试方法
Test Method 测试设备
Equipment 特性要求
Requirements
4.1 操 作 力
Operation Force 逐渐施力操作开关按键，测量开关到达全部工作行程时所需的最大操作力度。
Operate the keystoke of the switch vertically, and then increase press strength gradually, Measured maximum operation force while the travel of the switch is full. 推拉力计
Push-Pull Force Gauge 垂直方向：
200±100gF
水平方向：
100±50gF
Push portion:
200±100gF
Lever portion:
100±50gF
4.2
行 程
Full travel 垂直操作开关按键，量测开关顶端的最大移动距离。
Operate the keystoke of the switch vertically, the travel distance of keystoke moving from its free position to maximum moving distance shall be measurement. 游标卡尺
Vernier Caliper 0.8±0.5mm。
0.8±0.5mm。
4.3
端子强度
Load Strength of Terminal 于开关端子任意方向施加0.3Kg的力，持续时间1分钟。
Apply 0.3Kg load to terminal of the switch in any direction for 1 minute. 推拉力计
Push-Pull Force Gauge 端子无脱落，断裂，松动等导常。
Terminals shall be not broken off, rupture, looseness and other defects.
5. 可靠性测试 Reliability trial
No. 项 目
Item 测试方法
Test Method 测试设备
Equipment 特性要求
Requirements
5.1 盐雾实验
Salt Mist Test
试件在下述实验后测量：
１．温度： 35±5ºC
２．盐溶液浓度：5±1%（质量百分比），
３．试验时间：２4小时，
４．试验后，将盐沉积物用水冲掉。
The switch shall be checked after following test:
1.Temperature: 35±5ºC
2.Salt solution: 5±1%(Solids by mass)
3.Duration: 24 hours,
4.After immersing, salt deposit shall be removed by running water.
盐雾试验机Salt Spray Tester
在金属件上没有严重腐蚀斑点。
No remarkable corrosion shall be recognized in metal parts.
5. 可靠性测试 Reliability trial
No. 项 目
Item 测试方法
Test Method 测试设备
Equipment 特性要求
Requirements
5.2机械寿命
Operation Life Without Load 开关在寿命试验设备上以15-20次／分的速度连续被操作50,000次。
Switch shall be operated 50,000cycles at 15-20 cycles /min without load.
寿命试验机
Life Tester 实验后：
输出电压：1V Max。
绝缘电阻：10MΩ Min。
操作力：变化在±30%内
开关外观及结构无损坏。
After test,
Output voltage: 1V Max,
Insulation resistance: 10MΩ Min
Operating force: Change should be within±30% of specified value.
NO abnormalities shall be recognized in appea- rance and construc- tion.
电气寿命
Operation Life With Load 开关在10mA,5V DC条件下，于寿命试验设备上以15-20次／分的速度连续被操作50,000次。
Switch shall be operated 50,000cycles at 15-20 cycles /min with 5V DC 10mA(Resistive Load).
寿命试验机
Life Tester
5.3 耐焊接热 Resistance to
Soldering heat
试件在下述条件下进行试验：
1.Ｐ.C.B.厚度为0.8mm，
2.开关在150℃条件下预热2分钟后再于260℃的回流焊炉
中焊接，
Switch shall be measured after following test:
0.8mm thick glass epoxy P.C.B
Switches shall be heat up at 150℃ for 2 minutes, then be soldered at 260℃.
Temperature profile(Reference)
回流焊炉
Re-flow soldering Stove 本体无变形，能满足于机械、电气性能.
Appearance should be not damaged,electrical and mechanical characteristics shall be satisfied.
5. 可靠性测试 Reliability trial
No. 项 目
Item 测试方法
Test Method 测试设备
Equipment 特性要求
Requirements
5.4 可焊性试验Solder ability Test 端子顶部被浸入焊锡炉中,温度为230±5℃，时间5±1秒.
The top of the terminals shall be
dipped in the solder bath at
230±5℃ for 5±1 seconds. 控温锡炉
Solder Stove 引脚至少95%上锡.
Ninety-five percent of terminals shall be dipped.
5.5 耐高温测试Resistance to Heat Test 放置在温度80±2℃环境中96小时后，再置于正常条件下1小时后测定。
The switch shall be stored at a temperature of 80±2℃ for 96 hours, Measurements shall be made after it be subjected to the standard conditions for 1 hour. 高低温 试验机
High & Low Temperature Tester 试验后,外观及结构无损坏,3.1,3.2项符合要求。
Appearance,construction and item 3.1,3.2 shall be satisfied.
5.6 耐低温测试
Resistance to Cold Test
放置在温度-25±2℃环境中96小时后，再置于正常条件下1小时后测定。
The switch shall be stored at a temperature of -25±2℃ for 96 hours, Measurements shall be made after it be subjected to the standard conditions for 1 hour. 高低温 试验机
High & Low Temperature Tester 试验后,外观及结构无损坏,3.1,3.2项符合要求。
Appearance,construction and item 3.1,3.2 shall be satisfied.
5.7 耐湿性测试Resistance to Humidity Test 放置于温度40±2℃，相对湿度为90~96%环境中96小时后，再置于正常条件下1小时后测定(注意要擦去水滴)。
The switch shall be stored at a temperature of 40±2℃,relative humidity 90~96% for 96 hours, Measurements shall be made after it be subjected to the standard conditions for 1 hour (Wipe out water drip). 恒温恒湿箱
Temperature & Humidity Tester Chamber 试验后,外观及结构无损坏,3.2项符合要求。
Appearance,construction and item 3.2 shall be satisfied.
