In today’s society, there are a lot of customers are not well know the metal dome,just know more cheaper more better. But this is actually one of the biggest mistakes, so we should see several factors affect the quality of the metal dome .
Metal dome is an important part used in membrane switch, PCB boards and other products, has played an important role in conducting circuit, when you press, the line will be turned on, when you release it will automatically disconnect. If the metal dome has a problem, it will affect your product, or even a brand of your company’s. So I would like to tell you to pay attention to the following items:
1, The metal domes life:
Nowadays there are a lot of metal dome life is not up to standard, four-leg only 200,000 times to 300,000 times, the price is relatively cheap, but life can be achieved in the 500,000 to 1,000,000 times we make, and round metal dome, like 4C, C5 small dome, domestic only 700,000 to 800,000 times life, the price is relatively low. Our C4, C5 can react to 1,000,000 times.
2, The metal domes force:
Metal domes force is the most stringent requirements of foreign customers, that is speaking to each metal dome force is used to be uniform, can not have one high and one low and to be controlled at a certain tolerance (±30gf).
3, The metal dome material:
There are three kinds of material: domestic materials, South Korean materials, and Janpan material. The metal dome biggest weakness is “Dead Key”. It’s very difficult to see which better from the appearance of the materials, we onlt can find the better from the testing.
4, The metal domes appearance:
When selecting metal domes, pay attention to the appearances if have dirt, scratches, grease, crushing, etc. ……
Our company is specialized in producing metal domes, our products have more than 80% of exports to the overseas marketing, and we have also opened the domestic customers in recent years. Our four-leg metal dome, life can reach 500,000 to 1,000,000 times, especially 4C, 5C round metal dome, has a real one million times life,and the force can be controlled within (± 15gf) range.
We are according to high-quality, high-service, fast-deliverytime, and good price for our customers. CMD Manufacture Co., Ltd. is a professional production of metal domes in China! ! !
