Method for the blasting calibration of a chill mold

Details Method for the blasting calibration of a chill mold Method for the blasting calibration of a chill mold

B - Operations, Transporting

22

C

B22C 9/00 (2006.01) B21D 26/08 (2006.01) B22D 11/057 (2006.01)

Patent

CA 2412655

ABSTRACT OF THE DISCLOSLURE A method for blasting calibrating a chill mold (1) is provided. A calibrating mandrel is inserted into chill mold (1), thereafter an explosive material is placed on the outer surface (4) of chill mold (1) and is ignited. The inner side (3) of chill mold (1) is pressed against the calibrating mandrel by the explosive force, and brought to the setpoint measure. In the mold wall (2), chill mold (1) has bores (5) for cooling means and for measuring elements, which extend in the longitudinal direction (LR) of chill mold (1) and exit at the end faces (6, 7) of mold wall (2). Before the blasting calibration, the bores (5) are filled up with a free-flowing material and tightly closed. The free-flowing material is preferably an incompressible fluid and/or a bulk material.

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