| 摘要 |
PURPOSE:To improve the productivity and quality by superposing annular metal plates to be jointed by interposing metal solder therebetween and jointing said annular metal plates by melting the solder, applying a compression force in the length direction as a whole. CONSTITUTION:A center guide 6 is installed vertically on a jig base plate 5, and a bellows edge plate 7 at the lower edge is installed onto the center guide 6. Then, an outside metal solder 3, annular metal plate 1, inside metal solder 2, and the annular metal plate 1 are superposed several times, and a pressing plate 9 is superposed onto a bellows edge plate 8 finally, and the superposed body is compressed by a spring 10. When the superposed body in this state is heated to a prescribed brazing temperature in a heating furnace, the inside diameter parts and the outside diameter parts of the annular metal plate are brazed in zigzag form, and a bellows can be obtained. Through this production method, high productivity is assured, and the bellows having the high dimension precision and the superior quality can be produced at a low cost.
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