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What is vacuum brazing?

Brazing is a metal-joining process in which two or more materials are joined when a filler metal (with a melting point lower than those of the materials themselves) is drawn into the joint between them by capillary action.

Vacuum Brazing Euipments have many advantages over other metal-joining techniques, particularly welding. Since the base metals never melt, brazing allows much tighter control over tolerances and produces a cleaner connection, normally without the need for secondary finishing. Because components are heated uniformly, brazing consequently results in less thermal distortion than welding. This process also provides the ability to easily join dissimilar metals and non-metals and is ideally suited to cost-effective joining of complex and multi-part assemblies.


How does vacuum brazing work?

High Temperature Vacuum Brazing Furnace is carried out in the absence of air, using a specialized furnace, which delivers significant advantages:

  1. Extremely clean, flux-free joints of high integrity and superior strength

  2. Improved temperature uniformity

  3. Lower residual stresses due to slow heating and cooling cycle

  4. Significantly improved thermal and mechanical properties of the material

  5. Heat treating or age hardening in the same furnace cycle

  6. Easily adapted for mass production

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