Posts Tagged ‘metal dome life’

How to test the life of metal dome?

Monday, November 26th, 2007

As a improtant part of switches, the life of metal dome is considered more improtant.But how to test the life, there are some issures by customers. Hereby, I’ll say more details about this.

1. Test Probe:  two kings to ne used: rubber probe & tungsten steel probe. Normally use the  rubber probe to test. the diameter is from 1.5mm to 3.5mm.

2. Test Force:  It’s the two times of the metal domes to be used.

3. Test Frequency: 2-3 times per second

Such as the 8.4mm, four-leg shape, 200g force metal dome, you can use the 1.5mm rubber probe, 400g force, and 3 times per sercond to test the life of metal dome.

Are you clear now for this problem? If not, please contact us for more information or see the below relative subjects:
1. Metal dome life
2. The specifications of metal dome
3. FAQs

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The life of the metal dome

Monday, June 25th, 2007

Metal dome is the most important part of the switches, so there are very strict requirements with the metal dome life. But now for most suppliers in China,  the quality of metal dome isn’t stable, and can’t meet the customers’ request. Specially for the four legs metal domes, the life can reach to one million times very little. The four legs metal domes are most used in the membrane switches, etc, so it’s very strict with the quality. The four legs metal domes we made are very stable, and the life can reach to one million times. The life of metal dome is determined by the material, mold design, and the experience of engineers and so on.
If you want to know more about the information of the metal dome, please contact us anytime or see the below subjects:
1. The specificstions of metal dome array
2. The specifications of the metal dome
3. The difference of the dimple and without dimple of metal domes
4. FAQs

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Posted in Metal Dome | Comments Closed