Electric tools mainly include electric drill, electric hammer, impact drill, jig saw, angle grinder, marble machine, electric circular saw, cutting machine, electric planer, grinder and related accessories.
1. Power tools can be divided into
Tools for drilling metal materials, plastics, etc. It can be used as electric screwdriver when it is equipped with positive and negative switch and electronic speed control device. Some models are equipped with rechargeable batteries, which can work normally without an external power supply within a certain period of time.
Electric tools used for drilling holes in masonry, concrete, artificial or natural stones, electric drills and electric hammers can be used interchangeably. SDS-PLUS drill chucks and drill bits are widely used for light drills, and medium and heavy hammer drills are replaced with SDS-MAX chucks and drill bits, and chisels can be clamped.
It is mainly used for electric tools for drilling hard materials such as masonry and concrete. When the impact mechanism is closed, it can also be used as an ordinary electric drill.
It is mainly used to cut steel, wood, plastic and other materials, and the saw blade reciprocates or swings up and down. It is most suitable for cutting precise straight lines or curves.
Mainly used for grinding steel and stone. Commonly used grinding disc diameters are 100mm, 125mm, 180mm, 230mm.
Generally, the stone is cut, you can choose dry or wet cutting, commonly used saw blades are: dry saw blade, wet saw blade, dry and wet saw blade. Home improvement is used to cut tiles.
It is mainly used for cutting aluminum and wood at different angles. When using it, pay attention to tighten the saw blade and wear goggles.
The electric planer is an electric tool with a rotating knife shaft, which is mainly used for the planing of wood and plastic surfaces, and its planing knife can be adjusted.
Used to polish wood. Sandpaper is required.
Used for cutting, drawing and carving wood.
2. Common symbols of power tools
'Back' means double insulation sign
3. The accessories of the electric drill can be divided into
Most suitable for iron, aluminum alloy and other materials. It can also be used to beat wooden materials, but the positioning is not accurate and easy to be distorted.
Suitable for opening holes in iron and wood materials.
Specially used for playing wooden materials. With a positioning rod for precise positioning.
Suitable for drilling holes in glass.
The characteristics of power tools are light weight, small size, light weight, low vibration, low noise, flexible operation, easy control and operation, easy to carry and use, strong and durable. Pay attention to the following points when purchasing power tools.
The outer packaging of the tool should be clear, without damage, the plastic box is strong, and the buckle for opening the plastic box should be firm and durable.
The length of the cable of the tool should generally not be less than 2 meters.
The nameplate parameters of the tool shall be consistent with those on the CCC certificate. The manufacturer's and manufacturer's detailed address and contact information should be on the instruction manual. The traceable batch number of the product shall be on the nameplate or certificate of conformity.
Hold the tool by hand, turn on the power, and frequently operate the switch to make the tool start frequently, and observe whether the on-off function of the tool switch is reliable.
The tool is powered on for one minute, and there should be no abnormal noise during operation.