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An air hammer, also known as an air chisel, is a pneumatic hand tool used to carve in stone, and to break or cut metal objects apart. It is designed to accept different tools depending on the required function.[1]

Function

Tools

The following are various tools that can be used in the air hammer:[1]

Universal joint and tie-rod tool
Used to separate universal joints and tie-rod ends.
Ball joint separator
Used to separate ball joints.
Shock absorber chisel
Used to break loose shock absorber nuts.
Exhaust pipe cutter
Used to cut through exhaust pipe for disassembly.
Tapered punch
A general tool that can be used to free frozen nuts, insert pins, and align holes.
Rubber bushing splitter
Used to remove rubber bushings.

Free-standing style

Free-standing air hammers are an adaptation of the hand-held version. An air hammer can stretch or shrink (shape) a variety of metals, from thin aircraft aluminums, all the way down to 10-gauge steel. They are also used for smoothing metal that has already been roughed, shaped or formed.[2]

History

In the 1920s, two pneumatic devices were invented that would permanently change the way metal and stone were hammered. The pneumatic rivet gun was originally developed to set hot rivets on girder bridges and high steel buildings. This tool was later scaled down for sheet metal, as the 1930s saw the advent of monocoque aluminum aircraft. The other new device, hitting at twice or three times the speed of the rivet gun, was the stone carver's hammer – a great blessing for smooth and rapid dressing of granite and marble.

In 1930 F.J. Hauschild adapted the original stone carver's hammer into a portable hand-held steel tube frame for the purpose of straightening auto bodies. For the n

The following are various tools that can be used in the air hammer:[1]

Universal joint and tie-rod tool
Used to separate universal joints and tie-rod ends.
Ball joint separator
Used to separate ball joints.
Shock absorber chisel
Used to break loose shock absorber nuts.
Exhaust pipe cutter
Used to cut through exhaust pipe for disassembly.
Tapered punch
A general tool that can be used to free frozen nuts, insert pins, and align holes.
Rubber bushing splitter
Used to remove rubber bushings.

Free-standing style

Free-standing air hammers are an adaptation of the hand-held version. An air hammer can stretch or shrink (shape) a variety of metals, from thin aircraft aluminums, all the way down to 10-gauge steel. They are also used for smoothing metal that has already been roughed, shaped or formed.[2]

History