2023年10月17日星期二

Brazing Aluminum Tubing to Aluminum Parts

Objective The objective of the application test is induction brazing aluminum tubing to aluminum parts in less than 15 seconds. We have aluminum tubing and an aluminum “receiver”. The brazing alloy is an alloy ring, and has a flow temperature of 1030°F (554°C).
Equipment DW-HF-15kw induction heating machine   [caption id="attachment_97" align="alignnone" width="267"]induction heating units HF-15 induction heating machine HF-15[/caption] Induction heating coil Materials • Aluminum tube: 0.167” (4.242mm) OD, 0.108” (2.743mm) ID • Aluminum component: ID .1675” (4.255mm), depth .288” (7.315mm), chamfer at top area is 0.2375” (6.033mm) ID max • Braze alloy in the form of two-turn alloy ring • Flux Key Parameters Temperature: 1030°F (554°C) Power: 5 kW Time: 14 seconds
Process:
  1. The Aluminum component and tube were assembled together with the alloy ring. Flux was added.
  2. The part was positioned in the induction coil.
  3. Several tests were conducted with different cycle times to confirm the heating time for a good braze.
  4. At 15 seconds the assembly melted.
  5. At 14 seconds, we had success for brazing aluminum to aluminum, and a good quality braze joint was achieved.
Results/Benefits: The 5 kW induction heating system requested by the customer, will meet the customer’s time requirements for induction brazing.
  • Precise control of the time and temperature
  • Power on demand with rapid heat cycles
  • Repeatable process, not operator dependent
  • Safe induction heating with no open flames
  • Energy efficient heating

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HLQ induction heating machine manufacturer provides the service of induction brazing,melting,hot forming,hardening surface,annealing,shrink fitting,PWHT,etc.