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The correct way to use an angle grinder 1. What is an electric angle grinder? An electric angle grinder is a device that uses high-speed rotating lamella grinding wheels, rubber grinding wheels, wire wheels and other tools to process components,…
What is an angle grinder used for? Angle grinders are playing an increasingly important role in today’s construction. Especially our workers and friends must be very familiar with angle grinders. This is an indispensable tool for us in grinding and…
Introduction to the use of current clamps An ammeter is an instrument used to measure the current in AC and DC circuits. In the circuit diagram, the symbol for the ammeter is “circle A”. The current value is in “A”…
The principle of AC current clamp AC current clamp can be regarded as a derivative application of current transformer. The working principle of the transformer is to wind two coils on both sides of an iron core (as shown in…
Introduction to needle nose pliers Needle-nose pliers are also called: trimming pliers, needle-nose pliers, needle-nose pliers or needle-nose pliers. It consists of a tip, a knife edge and a pliers handle. The material is generally made of 45# steel, which…
How to wire household distribution boxes 1. A distribution box shell, after production is completed, it looks like this; 2. The metal part in the middle is called the guide rail. If it is not installed at the factory, you…
Wire stripping needle nose pliers Tighten the needle-nose pliers, use an electric drill or hand drill to drill two slots of Φ0.8mm and Φ1.0mm on the cutting edge (front section) of the needle-nose pliers, and then use Φ1.2mm and Φ1.4mm…
Working principle and usage instructions of electric hand drill speed switch An electric hand drill is a drilling tool powered by AC power or a DC battery. It is a type of handheld power tool. The electric hand drill is…
A complete list of common faults and maintenance methods of electric hammers 1. Electrical failure Electrical faults of electric hammers mainly include open circuit, short circuit, grounding, and large sparks in the rotor commutation ring. 1. Most of the circuit…
Thermal protector overload protection of high-power electric tools In recent years, with the continuous development of science and technology, the application range of high-power power tools has become more and more extensive, such as drilling machines, electric hammers, grinders, etc.…