Back to results
US 2009/0288466 A1Published application
Isothermal forming system for production of sheet metal parts
AssigneesThe Hong Kong Polytechnic University, Ameroll Metal Products Company Limited
InventorsChak Yin Tang, Tai Chiu Lee, Luen Chow Chan, Nga Yung Ng
Life of this patent
Estimating the term…
Abstract
The present invention relates to an apparatus for attachment to a conventional sheet metal forming press. The apparatus allows the sheet metal forming process to be preformed fully submerged in an oil. Methods for sheet metal forming in oil are also provided.
Claims9
An apparatus for forming sheet metal products, comprising:
- a sheet metal forming press;
- an oil tank;
- a punch;
- heaters;
- a die;
- and
- a heat transfer oil,
- wherein said oil tank can contain enough oil to fully submerged said punch, said die, and said a blank or preform.
5 more elements
A method for forming a sheet metal product, comprising the steps of
- fully submerging a die, blank or preform, and punch in heat transfer oil;
- heating said heat transfer oil to between 210° C. to 270° C;
- and
- forming said sheet metal.
1 more element
Dependencies are inferred from the claim text.