SHEET METAL BENDING
There are
so many manufacturing operations performing in industries
to fulfil the need of customers. We know many operations as
casting, machining, nibbling and many more but
the operation which is mostly used for manufacturing is sheet
metal bending. Bending is mostly performed in the automotive industry
where auto parts are made from sheet metal bending.
Definition:
Bending is
a process by which metal can be deformed by plastically deforming the material
and changing its shape. The material is stressed beyond its yield strength but
below its ultimate tensile strength. There is little chance for the material
and surface area. Bending generally refers to deformation about one axis only
Description:
The bending
of sheets and plates is widely used in forming parts such as corrugations,
flanges, etc. Bending is a forming operation in which sheet metal is subjected
to bending stress thereby a flat square sheet is made into a curved sheet. The
sheet gets plastically deformed without a change in thickness. Die and punch
are used for bending. If a v-shaped die and punch are used, the bending is
called v-bending. If the sheet is bent on the edge using a wiping die it is
called edge bending. There are many assignments teachers assigned to the
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Process:
Bending
processes differ in the methods they use to plastically deform the sheet or
plate. Workpiece material, size, and thickness are important factors when
deciding on a type of metal bending process. Also important is the size of the
bend, bend radius, angle of bend, the curvature of bend and location of bend in
the workpiece. Sheet metal process design should select the most
effective type of bending process based on the nature of the desired bend
and the work material. Many bends can be effectively formed by a variety
of different processes and available machinery will often determine the bending
method.
Sheet the metal operation has many parameters, there are band allowances bending radius
and other bending parameters. Every time the operation is considered, first
there is lots of calculation to be performed to perform bending. Machine
selection and type of bending selection is also the prime constituent. There
are three types of bending, namely,
·
Air bending
·
Roller bending
·
Plate bending
Applications
·
Fabricating/Rolling
·
Boilers, Pressure Vessels
·
Storage Tanks, Silos
·
Tubes and Pipelines
·
Pumps, Burners, and Filters
·
Heating and Ventilation
·
Wind Towers, Power Generation
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