What problems should be paid attention to when buying metal shrapnel

The metal shrapnel is made of stainless steel and is a very important part of the control switch. With the conductivity of the metal shrapnel, it acts as a high-quality control switch between the staff and the product. At the same time, relying on the solid resilience of the guozi (which automatically returns to the position after being pressed down) and a long service life, it creates a high-quality tactile effect for the staff. The metal shrapnel is mainly used in the film buttons of hard boards such as printed circuit boards.

For this reason, what issues should everyone pay attention to when buying metal shrapnel?

1. The service life of metal shrapnel: Nowadays, there are many metal shrapnel in my country whose service life is not up to standard. The cross-shaped metal shrapnel is only 200,000 to 300,000 times, the price is relatively affordable, and the service life There are very few that can achieve between 500,000 and 1 million times, while the ring-shaped metal shrapnel, like 4C and C5 smaller metal shrapnel, has only 700,000 to 800,000 times service life in my country, and the price is relatively low.

2. The work intensity of the metal shrapnel: The work intensity of the metal shrapnel is the most stringent requirement of foreign customers, that is to say, the work intensity of the metal shrapnel used in each of your products should be well-balanced, and there should be no Uneven work intensity should be adjusted within the standard tolerance (±20gf) of the corresponding work intensity. However, the touch of various types and specifications of metal shrapnel in our country is not stable, which has caused great losses to some of the more commonly used metal shrapnel manufacturers. There are also lost customers for this.

3. Material for making metal shrapnel: In the process of making metal shrapnel, you should choose appropriate material for making metal shrapnel, and you cannot choose the material for making metal shrapnel at the price. There are three types of materials: domestically produced materials, Korean materials, and Japanese materials. Each type of production material has to be divided into a variety of different production materials. In the eyes of real manufacturers, it is clear which production materials are relatively good, and what specifications can the manufactured products meet. The most obvious shortcoming of metal shrapnel is the dead key. The so-called dead key means that when the metal shrapnel is pressed in, it will not automatically bounce up. It is difficult to see on the surface and can only be detected after testing.

4. Appearance design of metal shrapnel: When purchasing metal shrapnel, pay attention to whether the design of the metal shrapnel will have intermediate points, dirt, scratches, oil stains, crushing, etc.