Structure and working principle of microswitch

评论

发表评论

此博客中的热门博文

What kind of metal is in a micro switch?

图片
What kind of metal is in a micro switch? Most of the microswitch includes these parts, like a lever, Internal lever, Terminals (NC/NC and Common), Plunger, Case, Cover, Contacts, Movable Plate, Sharpnel/ Spring, etc. And the parts of the lever, terminals, contact, movable plate, shrapnel or spring are all made of metal. Because of different requirements, like anti-corrosion, micro switch manufacturers will use different kinds of metal to assemble them. As a result, these kinds of requirements will cause a different price for a micro switch. Generally, most of the material for these metal parts in a micro switch is alloy. For example, the microswitch lever and Internal lever are stainless steel, and the terminals could be Cu alloy or ferroalloy with silver or gold plate. What’s more, the metal contact is Cu and Ag alloy material. Most of the shrapnel is a copper alloy and the Spring is SWC. All in all, the kind of metal in a micro switch most of them is Cu alloy! You can try to separat...
阅读全文

The Microswitch & Slide Switch in Electric Screwdriver

图片
The Introduction of Electronic Screwdriver An electronic  screwdriver  is a tool for installing or removing the screws on a machine. It also calls powered screwdrivers, I mean it is different from the manual type and it saves your time when working. There are brushless type and brush type screw driver on the market. Generally, the brushless is expensive than the brush one. If a manufacturer wanna produce an electric screwdriver, it needs the know all the accessories. Today, let’s talk about the slide switch and the micro switch in the powered screwdriver. And both of them are snap action switches. You can see the position of the microswitch and slide switch in the picture. They play a different role in the tool. Firstly, the micro switch is used to control the power ON or OFF. For example, when pressuring the button, the screwdriver begins to work while it will stop when releasing. Secondly, the slide switch can control the direction of rotation by changing the electric circui...
阅读全文