Cold Working Sheet Metal

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Cold working sheet metal.

Cold rolling is often used commercially in order to produce sheet metal plates and bars. In this method the shape changes but the volume of the metal remains constant. Meaning of cold working. Cold working or cold forming is any metalworking process in which metal is shaped below its recrystallization temperature usually at the ambient temperature.

In the precision machining industry cold working processes can include thread rolling thread forming swaging crimping staking planishing and metal spinning. Cold work is defined as the plastic deformation of a metal below its re crystallization temperature. Sheet metal cold working can be used to produce controlled surface finish. The cold working of the metal increases the hardness yield strength and tensile strength.

The process consists of a set of two or more rollers spaced closed together and the sheet or strip of metal is passed through them. In cold forming metal is formed at high speed and high pressure using tool steel or carbide dies. Ftis split sleeve cold expansion system is a cost effective solution to problems associated with fatigue cracks in holes in metal structures. Be it manual or powered equipment we have the solutions you need.

Most of cold working processes are performed at room temperature. Such processes are contrasted with hot working techniques like hot rolling forging welding etc. When a metal is cold rolled it is plastically deformed as it is forced between the two rolls. Bending of sheet metal is another process for cold working which involves deforming metal over a work axis thereby creating a change in the geometry of the metal.

The force exerted by rollers on the sheet reduces its thickness and increase the strength of the sheet. The haynes and hastelloy alloys can be readily formed into various configurations by cold working.