Heat Induction Bending
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Induction Bending Mechanism
When the electric power is supplied from the high frequency generator to a heating coil surrounding the pipe, a narrow circumferential band around the pipe is heated inductively.
High Frequency Heat Induction Bending Machine.
Hines Model 630 Induction makes a bend while a pipe is heated under an induction heating device. Its advantages over a regular cold bender is that it is capable of bending thin-wall tubes and making quality bends without the need of a complete set of dies. As a result, it’s 1/3 to 1/2 of the size of a cold bender both in floor space and price. It is applicable in shipbuilding, chemical, metallurgical, boiler, heavy machine-building industries and especially suitable for small lot productions.
The induction current flowing through the electric heating ring actuates the area of the pipe with a whirling current and in turn the temperature rises, forming a red ring of heat at the required bending site. When it’s up to 800-1000°, the pipe steel possess the nature of plastic status. At the same time, bending torque exerts to make a bend and the pipe is also being pushed hydraulically, maintaining a very smooth bend during the process.
In order to cool down the ring and fix the bent part of the pipe, there are many small holes in the peripheral of the heating ring for the cooling water to flow and spray onto the bent surfaces after flowing inside cavity of the ring. It is a continuous process until the end of the bending.
K999 Engineering & Construction provides the only an quality assured heat induction bending service in Thailand.
Our Projects
McArthur River Mining
FPSO MV20 + FPSO P-57
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