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Cooling Source invested in the most advanced four-axis equipment. For this reason, we take full advantage of our CNC machining, allowing us to support your high level of part complexity and surface finish requirements.


2021 Las Positas Ct, Ste 101 Livermore, CA 94551, USA. (925) 292.1293 Mon-Fri, 9:00am-5:00pm Mail us: sales@coolingsource.com


vacuum brazing

Vacuum Brazing

Vacuum Brazing

Vacuum brazing has several advantages and benefits, including:

1. Strong and clean joints: Produces strong and clean joints free of contaminants and oxides, producing a high-quality finished product.

2. Versatility: Can be used to join a wide range of metals and alloys, including dissimilar metals that are difficult to join using other methods.

3. Precision: Allows for precise control of the brazing process, resulting in consistent and repeatable results.

4. Reduced distortion: Minimizes distortion of the base materials, ensuring that the finished product maintains its shape and dimensions.

5. Improved thermal performance: Produces joints with high thermal conductivity, making it ideal for applications that require efficient heat transfer.

6. Environmentally friendly: This is a clean and environmentally friendly process that does not require using fluxes or other chemicals.

7. Cost-effective: Vacuum brazing is a cost-effective process that can be automated, reducing labor costs and increasing production efficiency.

The vacuum brazing manufacturing process typically involves the following steps:

1. Cleaning: The base materials are cleaned to remove any contaminants, such as dirt, grease, and oxide layers, which can interfere with the brazing process.

2. Assembly: The base materials are assembled with the brazing filler metal in the desired configuration.

3. Loading: The assembled parts are loaded into a vacuum furnace, which is designed to maintain a low-pressure environment.

4. Heating: The furnace is heated to a temperature above the melting point of the brazing filler metal, causing it to flow and form a bond between the base materials.

5. Cooling: The furnace is cooled to solidify the brazing filler metal and form a strong joint between the base materials.

6. Unloading: The finished parts are removed from the furnace and allowed to cool to room temperature.

7. Inspection: The finished parts are inspected to ensure that they meet the required specifications, such as joint strength, dimensional accuracy, and surface finish.

8. Finishing: The finished parts may undergo additional finishing processes, such as polishing or coating, to improve their appearance or performance.

Overall, the vacuum brazing manufacturing process is a precise and controlled process that produces strong and clean joints between a wide range of metals and alloys.

vacuum brazing
vacuum brazing

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