Pneumatic wrench model types and usage methods A pneumatic wrench, also known as a ratchet wrench or electric tool combination, is primarily a tool that provides high torque output with minimal consumption. What are the classifications of pneumatic wrenches? Pneumatic…
In 1895, Germany’s Panhans manufactured the world’s first direct current electric drill. Its casing was made of cast iron and could drill 4mm holes in steel plates. Subsequently, three-phase mains frequency (50Hz) electric drills emerged, but the motor speed did…
Electric tools, powered by electric motors or electromagnetic force through transmission structures, are handheld or portable mechanized tools used for various tasks due to their lightweight structure and convenient portability. They are widely used in various sectors of the economy…
Electric tools are devices that convert electrical energy into mechanical energy, exerting force on components through rotational motion. Common electric tools include electric drills, angle grinders, impact wrenches, electric screwdrivers, rotary hammers, impact drills, concrete vibrators, electric planers, etc. Currently,…
