Nail guns

Nail guns are used in workshops during assembly, for example bed manufacture or pallet making. They also get used a lot on site for shop fitting, timber frame erection, etc. The use of nail guns has increased dramatically over the last few years and nail gun incidents now feature in high numbers in HSE's woodworking accident statistics.  Nail guns use a piston that is driven at high speed onto the head of a nail (or large staple) to force the fixing into the timber in one adjustable strike.  The nails range in size from about 15mm to 100mm long and these are held in strips in a magazine.  There are three main types of nail gun.  For factory use the type operated by compressed air is most common.  For site use the type using butane gas is widely used.  The butane is mixed with air in a combustion chamber and ignited by an electric spark when the trigger is pulled.  The third type are light weight and much less powerful and use an electric motor and spring to drive the piston - some of these are battery operated.  This web page does not cover the use of much more powerful cartridge nail guns that are used for fixing materials into steel or concrete [...]

Source : http://www.hse.gov.uk/woodworking/nail-guns.htm?ebul=gd-woodworking&cr=2/Mar13

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