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US 8,959,968 B2Granted
Magnetorheological lubricant for metal forming processes
AssigneeEADS Deutschland GmbH
InventorsHolger Böse, Christoph Janssen, Johannes Ehrlich, Piet Wölcken
Life of this patent
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Abstract
A forming method includes using at least one forming tool to form a material of a workpiece and using a lubricant between the material and the at least one forming tool. The lubricant has a viscosity that is modifiable by applying or varying a field.
Claims15
A forming method comprising:
- forming a material of a workpiece by at least one forming tool;
- using a lubricant between the material and the at least one forming tool, the lubricant having a viscosity being modifiable by applying or varying a field;
- and
- modifying the viscosity of the lubricant between the material and the at least one forming tool by varying the field during the forming of the material while the at least one forming tool is influencing the shape of the material.
1 more element
Dependencies are inferred from the claim text.