Classification and function of pliers

Pliers, is a common hand tool, like the shape of a V, usually includes a handle, jaws and jaws three parts, can be used to grip, fixed processing workpiece or
Twist, bend and cut the wire. There are many kinds of pliers, according to different classification standards can be divided into
1, according to the performance can be divided into: clamping torsion type, cutting type, clamping torsion cutting type.
2, according to the shape can be divided into: pointed mouth, flat mouth, round mouth, curved mouth, oblique mouth, needle mouth, top cut. Wire pliers, flower gill pliers, etc.
3, according to the use can be divided into: DIY hand pliers, industrial pliers, special pliers, etc.
4, according to the structure of the form can be divided into: through the gill pliers, overlapping gill pliers.
5, according to the specifications can be divided into: 4.5(mini pliers), 5, 6, 7, 8, 9.5, etc.

The role of pliers is many, in many industries will be used, different industry applications of pliers are also different, generally more commonly used pliers are:

1. Wire stripper
Wire stripper for internal electrician, motor repair, instrument electrician commonly used tools, mouth, wire press mouth and clamp handle, mainly in plastic, rubber insulation electricity
Peeling of wire and cable core.

2. Wire cutters
Also called vice, is a kind of clamp and cutting tools, by the jaws, teeth, plus, guillotine and pliers handle, used to pick up nails or clip nails and wire.

3.Water mouth pliers
Can be divided into electrical and electronic categories, etc., mainly used for injection molding machine products, plastic products, injection mouth cut, also suitable for cutting metal products, electronic components
Feet.

4. Needle-nose pliers
Also known as trimming pliers, tongs, tongs, tongs, tongs, plus and pliers handle, - generally made of 45# steel, used to cut the wire diameter of thin single strand and multi-strand wire, as well
For single strand wire joint bend ring, stripping plastic insulation layer, etc., can be operated in a narrow working space.

5. Curved nose pliers
Also called elbow pliers, its function is similar to needle-nose pliers without cutting edge, suitable for use in narrow or concave working space.

6. Flat nose pliers
It is a tool commonly used in metal assembly and telecommunications engineering. It is used to bend sheet metal and wire into the desired shape for repair work
Install and pull pins, springs, etc.

7. Diagonal nose pliers
Mainly used for cutting wire, flat mouth diagonal nose pliers suitable for use in concave working space.

8. Top cutting forceps
Top cutting forceps are similar to diagonal nose forceps and are primarily used to cut wire with a blade at the top.

9. Pump pliers
The function is similar to pipe pliers, but it is lighter, smaller and easier to use than pipe pliers, but the clamping force is not as good as pipe pliers, generally only suitable for family emergency or simple installation of water pipes Use.

10. Carp pliers
The shape looks like carp, the opening width of the clamp mouth has two adjustment positions, can be enlarged or reduced to use, mainly used to clamp round parts, but also can replace the wrench screw nuts and
Small bolt, often used in auto repair industry.

11. Ring clamp
Commonly known as circlip clamp, is a special tool used to install the inner spring ring and the outer spring ring, can also be used to remove the spring ring.

12. Lock pliers
Mainly used for clamping parts for riveting, welding, grinding and other processing, can also be used as a wrench, its characteristics are that the jaws can be locked, and produce a great clamping force,
Keep the clamping part from coming loose.