Tube bending is a mechanical procedure to deform tubes utilizing a bending process that change straight tubes into curved shapes. Even though tubes are advantageous for specific applications, in most cases, to meet certain needs, tube require to be shaped, bent and stressed. Bend tubes are more utilizable compared to straight ones and are an important part of trombones, handles, stair railings, automotive parts, furniture frames and air conditioning.
There are two processes utilized to bend tubes that is hot bending and cold bending where hot bending includes heating the metal tubing just above room temperature to be shaped. Alternatively, cold bending is performed at room temperature or slightly above the room temperature. Both hot and cold bending are two general groups that are utilized to describe the broad array of bending procedures that include heat induction bending, press bending, rotary bending, slab forming and sand packing.
Any kind of metal tubing can be bent including brass, aluminium, titanium and stainless steel that are transformed into a broad variety of configurations and variety designed for particular objective. The common kind of bend shapes are U, S, L and coil bend, which are shapes made through applying force that stresses and reconfigures straight metal bending. At the start of the bending operation, the metal tube is secured through a pressure die and clamp die which a rotating die press bend or roll it. Prior to choosing the correct die for a certain kind of tube bending, it is advantageous to know the geometry of a bend.
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