Method of producing magnetron anode

Details Method of producing magnetron anode Method of producing magnetron anode

H - Electricity

01

J

316/7

H01J 9/00 (2006.01) B23P 15/00 (2006.01) H01J 23/16 (2006.01)

Patent

CA 1137540

METHOD OF PRODUCING MAGNETRON ANODE Abstract of the Disclosure In order to provide a method of producing magnetron anodes at a good mass-produceability, so-called straight type steel cylinder blanks, in which the inner peripheral surface is not tapered are used, and, at the same time, the step of quench-hardening of the steel cylinder blank is omitted. After fitting a copper block to the inside of the straight type steel cylinder blank which has not been quenched, both members are compacted to each other. Then, a press work is effected on the copper blank such that the steel cylinder blank and a back-up punch are forced to move relatively to each other, when a press-working shaping punch is forced into the copper block, thereby to form a copper anode. In order to avoid the bursting of the steel cylinder blank, the press work on the copper block is effected at a temperature of 200 to 650°C. In this way, magnetron anodes can be produced quickly and economically.

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