High-speed explosion hammer

Details High-speed explosion hammer High-speed explosion hammer

1978-02-16

1979-09-04

Moon, Charlie T.

Metal deforming

With means to drive tool

Including magnet, solenoid or explosive

B21J 726

Patent

active

041663748

ABSTRACT:
The invention relates to metal forming equipment. In the hammer according to the invention, an explosion device is provided with a check valve to establish communication of the inner space of the casing of the explosion device with the explosion chamber and to close the explosion chamber after a blow-up of granular explosive. The casing of the explosion device is mounted in a load-bearing frame for axial adjustment to vary the volume of the explosion chamber. This construction enables the amount of charge of granular explosive, hence the impact energy of blow of the upper die against the blank to be varied over a wide range thus resulting in considerable enlargement of manufacturing capabilities of the hammer.

REFERENCES:
patent: 2202125 (1940-05-01), Temple
patent: 3044452 (1962-07-01), McCrory
patent: 3552181 (1971-01-01), Chan
patent: 3827278 (1974-08-01), Mershon
patent: 3931726 (1976-01-01), Grubb

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