Crimp (joining)
method of joining pieces of metal or other ductile material by deforming to fit
Crimping is a method of joining two or more pieces of material by deforming one or both of them to hold the other. The bend or deformity is called the crimp. Crimping tools are used to create crimps in metal or other ductile materials.
Crimping is used extensively in metalworking, including to contain bullets in cartridge cases, for electrical connections, and for securing lids on metal food cans. Because it can be a cold-working technique, crimping can also be used to form a strong bond between the workpiece and a non-metallic component.
Crimping is also used to connect two pieces of dough used for food, such as in a piecrust.
Tools
A crimping tool or crimp tool is used to create crimps. Crimping tools range in size from small handheld devices, to benchtop machines used for industrial purposes, to large fully-automatic wire processing machines for high-volume production.
For electrical crimps, a wide variety of crimping tools exist, and they are generally designed for a specific type and size of terminal. Handheld tools (sometimes called crimping pliers) are common.
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