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Brazing a Bourdon Tube Assembly [MEC]

From Ambrell

Induction is used to braze a thin copper oval tube to a brass fitting at 1400 º F and to cap the other end of the copper tube with a brass plate.

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Topics of Interest

Induction is used to braze a thin copper oval tube to a brass fitting at 1400 º F and to cap the other end of the copper tube with a brass plate.

A three-turn helical coil is used to heat the base of the assembly. The copper uprights and two braze shims are placed in the grooves in the base and black flux is applied...

The copper tube (1/8"/3.2mm) is inserted into the flared copper tube (1/4"/6.4mm). Two braze rings are placed on the copper tubes and the power is applied....

A special steel tube and coil combination is used to build an induction heating oven to cure the fiber on a continuous basis. The ceramic fiber travels in an alumina tube inside a hot steel tube.

Customer is currently using flame brazing in a large facility for this application and will gain safety benefits with induction such as no hazardous fumes or open flames. Customer came to Ambrell...