We normally will see snap dome with dimple in the center, then what’s the function of the snap dome dimple? Please follow me to find out:
1. The height is a little higher than no dimple snap dome, which is better for high travel demands;
2. Increase the contact area, to ensure the stability of the contact;
3. Better click feeling;
4. The effect of dustproof should be better.
For four-leg snap dome,we most have the items: 6mm, 150g, 200g; 8.4mm, 200g, 280g; 12.2mm, 220g, 280g, 350g and so on.
If you need more information about snap domes, please contact us, we are glad to serve you.
Archive for the ‘Snap Domes’ Category
The function of the snap dome dimple
Saturday, November 23rd, 2013The material of snap domes
Monday, November 18th, 2013What is the material of snap domes? Sometimes customers ask this question, today let have a look below details:
Our snap domes (metal dome) using the most is the one from Japan SUS301 stainless steel . This type of snap domes the carbon content is slightly higher, then it would have been better stability . Material selection decisions is the main factor of product quality, if the choice of inferior materials , it will cause snap dome force is instability , bad click feeling, and the most deadly phenomenon is “Dead Key” (pressing down, but it can’t return back).
Our company strictly according to ISO9001 operation , the choice of materials and incoming with strict requirements and strict testing to ensure that we produce every one snap dome (metal dome) with high quality.
What’s the snap dome force?
Monday, November 4th, 2013Maybe some person don’t clear the snap dome force, now let me tell you what’s the snap dome force?
Snap dome force is the the maximum force when we press down the metal snap dome, we use the grams or “N” unit. We require our snap dome with stable force to ensure the stability of the click feeling. Generally the tolerance of the snap dome is ±20g-± 30g. the quality of our products is very good,
the force is very stable, and also has a very good click feeling, we have win the trust of customers.
If you need the additional information, please feel free to contact us.
How to test snap domes life cycles?
Wednesday, October 30th, 2013As a important part, snap domes life cycles must be considered. But how to test snap domes life cycles? If you don’t know the details, today I’ll talk about how to.
We will use the life testing machine to test the life cycles, please see below:
First: test head: we use the rubber head diameter between 1.5mm to 3.5mm;
Second: test force: two time of the snap domes force;
Third: Test Frequency: 2-3 times per second.
For example, our 8.4mm, 200g, four-leg snap dome, we will test with a 1.5mm rubber head, 400g force, 3 times per second to test life. If you need more information about snap domes, please contact us.
The difference of snap domes with dimple between without dimple
Monday, October 28th, 2013Because the snap domes(metal domes) have two kinds: dimple and without dimple, , so many people asked what is the difference between these? OK, today I’ll explain to you the difference:
1. higher travel with dimple snap dome;
2. better click feeling;
3. better dustproof
Now as you know the difference between these, you can choice which one is better for you.