A grease gun is a hand tool used to apply grease (lubricating grease) to bearings, joints, and other mechanical parts. It forces grease through a nozzle under pressure, ensuring proper lubrication of machinery and equipment, thereby reducing friction, wear, and extending the lifespan of moving parts. Grease guns are essential in automotive, industrial, and agricultural machinery maintenance.
The grease gun has evolved from simple manual tools designed to apply lubricants. With the growth of industrial machinery and the need for more efficient lubrication, grease guns have become more sophisticated. They have developed from basic lever-operated models to more advanced designs, including pneumatic, electric, and cordless versions, improving the ease and precision of grease application in various mechanical systems.
The main purpose of a grease gun is to dispense grease into parts that require lubrication. It is used in automotive maintenance to lubricate wheel bearings, chassis components, and other moving parts. In industrial settings, it is used for machinery like conveyor belts, gears, and hydraulic systems, helping to prevent wear and tear, reduce noise, and maintain smooth operation by reducing friction between moving parts.
The grease gun operates by using mechanical force to push grease through a nozzle. Manual grease guns typically use a lever or plunger mechanism to compress a chamber containing grease, forcing it through a hose or nozzle. Pneumatic grease guns use compressed air to push the grease, while electric and cordless grease guns use an electric motor to drive a piston or pump. The grease is forced out of the nozzle and into the desired part, filling the spaces between moving parts to provide lubrication.