Is the saw used by the fireman a cutting saw?
A chain saw powered by gasoline engines, used primarily for cutting and making material. Its work is done by cutting the crosswise movement of an interlaced L blade across a saw chain.Chain saw is a kind of broken and broken equipment. It can be divided into motor chain saw, non motor chain saw, concrete chain saw and so on according to function and drive mode.
A toothless saw is a device without teeth to realize the function of sawing. It is a simple machine. The main body is a grinding wheel of an electric motor, which may be connected by belt or fixed directly on the motor shaft.The cutting process is achieved by the high-speed rotation of the grinding wheel, cutting the object with the sharp corners of the abrasive particles, while the worn particles fall off, and the new sharp particles are exposed and worn by the grinding wheel itself. In fact, there are countless teeth.
This may not be true, but the most commonly used are toothless saws and motor chain saws.Toothless saw: a power tool commonly used in wrought iron machining. It is used to cut iron wires, pipes and profiles. Can easily cut all kinds of mixing materials, including steel, copper, aluminum, wood, etc., two saw blades, reverse cutting, so that the entire cutting process without backlash. Used for cutting wood, plastic, iron, etc in a rush.
