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Factory Custom Aluminum Liquid Cold Cooling Plate for Equipment CNC Machined Aluminum Part

Factory Custom Aluminum Liquid Cold Cooling Plate for Equipment CNC Machined Aluminum Part

Brazing is the jointing of metals using a molten filler material, which on cooling forms a joint. The filler metal melting temperature is above 450℃, but below the melting point of the metals.
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Product Introduction

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Brazing

Brazing is the jointing of metals using a molten filler material, which on cooling forms a joint.

The filler metal melting temperature is above 450℃, but below the melting point of the metals.


How does it work?

Brazing joints the base metals by creating a metallurgical bond between the filler metal and the base metals.

When molten, the filler metal is drawn into the joint by capillary action.


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How do you supply filler metal to 100's of joint simultaneously?

Brazing sheet!


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Aluminum oxide

Aluminum oxide characteristics:

Hardness significantly above 400Mpa

High resistance to chemicals


The oxide interferes with brazing

Aluminum owes many of its properties to very strong adherent oxide film on the surface.

This oxide must be removed or broken up if joining is to occur.

There are a number of possibilities of achieving this.


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Comparison of brazing processes:


CAB

Vacuum brazing

Air furnace brazing

Heating

Radiation/Convection

Radiation

Forced convection

Use of flux

Yes

NO

NO

Quantity of flux

<5g/㎡

-

30~50g/m³

Pre braze treatment

Moderate demands

High demands

Moderate demands

Post braze treatment

NO

NO

Yes

Aqueous wastes

NO


Yes

Atmospheric emissions

NO

NO

NO

Continuos process

Yes

NO

Yes

Investment

80

100

90

Operating expense
(not including flux)

80

100

100


CAB furnace brazing process sequence

The CAB process sequence is depending on: Heat exchanger design, Cleaning method, Flux application method.


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CAB furnace braze cycle

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Factors determining CAB production success or failure

1. Good product fit-up ( gap tolerance 0.1 to 0.15mm)

2. Adequate quantity of filler metal

3. Uniformity of flux coating

4. Interaction of flux and alloying elements

5. Furnace conditions (temperature time profile, temperature uniformity, furnace atmosphere)


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Relying on advanced production equipment system, we realize standardized operation and provide users with high-quality Factory Custom Aluminum Liquid Cold Cooling Plate for Equipment CNC Machined Aluminum Part in the shortest time. The development of today's world is guided by science and technology, and the development of science and technology depends on scientific and technological innovation talents. We always adhere to the talent strategy of "treasure talent, use talent, optimize talent and strengthen talent", promote the opportunity to share the fruits of the company's development, practice the partnership model, and create a team community of destiny.

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