| 摘要 |
Method of forming a workpiece (103) comprising (a) providing a tool (101,102) and a workpiece (103), wherein the workpiece (103) has an initial shape; (b) placing the workpiece (103) and the tool (101,102) in contact, applying force to the tool (101,102) and/or the workpiece (103), and moving the tool (101,102) and/or the workpiece (103) to effect a change in the initial shape of the workpiece (103) by forming; and (c) providing a jet (106,109) of cryogenic fluid (104,107) and impinging essentially all of the jet (106,109) of cryogenic fluid (104,107) on a surface of the tool (101,102).
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