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Do you know the pliers types, operation methods or precautions?

Pliers is a hand tool that is commonly used in our production and daily life. The pliers is composed of three parts: pliers head, pin and pliers handle. The basic principle of pliers is to use two levers to cross connect with pins at a point in the middle, so that both ends can move relatively. As long as you operate the tail end by hand, you can pinch the object at the other end. In order to reduce the force used by the user during operation, according to the lever principle of mechanics, the handle is usually made longer than the plier head, so that a stronger clamping force can be obtained with a smaller force to meet the requirements when used. But do you know the types of pliers?

Pliers types

According to the pliers performance, they can be divided into clamping type, cutting type; clamping and cutting type. According to types, it can be divided into crimping pliers; wire stripper; hydraulic pliers. According to the shape, it can be divided into: long nose pliers; flat nose pliers; round nose pliers; bent nose pliers; diagonal cutting pliers; needle nose pliers; end cutting pliers; combination pliers, etc. According to the usage purpose, it can be divided into: DIY pliers, industrial pliers, professional pliers, etc. According to the material, it can be divided into carton steel pliers, chrome vanadium pliers, stainless steel pliers.
Operation methods

Use your right hand to control the cutting part of the plier, stretch your little finger between the two pliers handles to hold and open the plier head, so that the plier handle can be separated flexibly. Usage of pliers: ① generally, the strength of pliers is limited, so it can’t be used to operate the work that ordinary hand force can’t reach. Especially for small or ordinary long nose pliers, the jaws may be damaged when bending bars and plates with high strength. ② The pliers handle can only be held by hand, and can not be forced by other methods.

 

Pliers precautions

1. The pliers are operated with the right hand. Put the jaw inward to facilitate the control of the cutting part of the plier. Stretch your little finger between the two pliers handles to hold and open the head, so that the handle can be separated flexibly.

2. The cutting edge of the pliers can be used to cut the rubber or plastic insulation layer of the wire.

3. The cutting edge of pliers can also be used to cut electricity wires and iron wires. When cutting No. 8 galvanized iron wire, use the cutting edge to cut back and forth around the surface, then just pull it gently, and the iron wire will be cut.

4. The side cutting edge can also be used to cut hard metal wires such as electricity wires and steel wires.

5. The insulated plastic layers of the pliers has a withstand voltage of more than 500V. With it, the electric wire can be cut. Avoid littering in use to avoid damaging the insulating plastic layers.

6. Never use pliers as a hammer.

7. Do not use pliers to cut double stranded live wires, which will be short circuited.

8. When winding the hoop with pliers to fix the cable, hold the iron wire at the plier jaws and wind it clockwise.

9. It is mainly used to cut single strand and multi strand wires with thin diameter wire, bend the ring of single strand conductor joint, peel the plastic insulation layer, etc.

The above content is the relevant knowledge about the types, use methods and precautions of pliers. In the design of pliers, in order to reduce the force used by users during operation, according to the lever principle of mechanics, the plier handle is generally longer than the pliers head, so that a stronger clamping force can be obtained with a smaller force to meet its use requirements. When we use it, we must learn the correct operation methods in order to improve the efficiency.


Post time: Jul-23-2022