1. What Is a Vapor Chamber Vacuum Machine 

The vapor chamber vacuum machine is used to pump out the air and other gases inside of the vapor chamber.

The vapor chamber works by the principle of evaporation and condensation within a enclosed space.

So we need to make sure what kind of gas exists inside the vapor chamber.

By using vacuum equipment we can create an environment with lower pressure when manufacturing vapor chamber.

Using proper vacuum equipment will allow us to reduce the amount of noncondensable gas in the vapor chamber.

There may be several components included in a vacuum machine:

• Vacuum Pumps

• Vacuum Chamber or Vacuum Manifold

• Pressure Meter

• Vacuum Valve

• Piping

• Position Holder

• PLC Control

• Pressure Monitor

• Protective Devices

Depending on what steps you need your vacuum equipment can be made to include filling your working fluid and removing air from it.

Vapor Chamber Production Line

2. Why Do We Need to Remove Air From Vapor Chamber

Vacuum processing is necessary when producing vapor chamber.

There is a working fluid and wick structure inside of a vapor chamber.

The working fluid will evaporate at the hot end.

Then move towards the cold end where it will condense.

The wick will transport the condensed working fluid back to the hot side.

But if there is noncondensable gas it can cause problems with this process.

2.1 Reduce Amount of Non Condensable Gas

If there is too much air or other noncondensable gas it can stop the working fluid from moving to the cold end.

By vacuuming we can reduce the amount of gas that exists inside the vapor chamber.

2.2 Increase the chance that working fluid can evaporate and condense.

If the vapor chamber has an environment that allows the working fluid to properly evaporate and condense then we know that our vacuum process was good.

2.3 Allow Manufacturer to Create Repeatable Process.

When you know your vacuum machine is doing its job properly you can use it to create a consistent process.

Using automation and monitoring will let you know if anything is going wrong.

2.4 Help Create Reliable Product.

If your vacuum machine is operating correctly you will have less unwanted gas inside your product.

There are many other factors that can affect the reliability of your product. But this is one of them.

3. How Does the Vapor Chamber Vacuum Machine Work

By using a vacuum pump we can remove air from whatever chamber or object we connect it to.

Here are the general steps to how a vacuum machine works.

Step 1 Place the vapor chamber

Place the vapor chamber on the machine. If your machine has automatic loaders then they can place it.

Step 2 Attach Vacuum Machine to Vapor Chamber

Your vacuum machine should have a holder or clamp that attaches to the vapor chamber.

Step 3 Vacuum the vapor chamber.

Once the machine is attached to the vapor chamber you can turn on the vacuum.

It will start to remove air from the vapor chamber.

Step 4 Monitor Pressure

While your vacuuming you want to keep track of the pressure that is happening. Your machine can do this automatically.

Step 5 Degassing (if needed)

You can choose to degas your product as well. There are different ways to do this. Some require heat others just pumping and hold.

Step 6 Done

Once the machine determines it has finished the process it will be ready for the next step in the process. This could be filling your vapor chamber or it could be something else depending on your process.

Vapor Chamber Manufacturing Process

4. Vacuum Equipment

When creating a professional vacuum machine there are many parts that you need to consider.

4.1 Vacuum Pump

You will need a vacuum pump to pull the pressure down.

You can use many types of vacuum pumps each will allow you to pump to a certain pressure and at a certain speed.

4.2 Vacuum Chamber or Manifold

You will need some type of vacuum chamber or manifold to attach to your vapor chamber.

It’s best if your chamber or manifold doesn’t have too much volume.

4.3 Vacuum Valves

You may need valves to open and close different areas of your vacuum machine.

4.4 Pressure Meter

Pressure meters will allow you to see what your current vacuum is. There are many types of pressure meters and they can all measure different ranges.

4.5 Clamp/Holder

Your machine should have something to hold your vapor chamber while it’s vacuuming. It will need to seal against your vapor chamber to create a proper seal.

4.6 PLC

You will want to use a PLC to run your machine. You can add an HMI as well to show information to the user.

4.7 Protective Devices

There are many things that can go wrong with your machine. Using protective devices can help prevent damage to your machine and keep people safe.

5. Vacuuming your Vapor Chamber

There are some steps that need to be done when vacuuming your vapor chamber.

Here is a list of steps that may happen when vacuuming your vapor chamber.

5.1 Make sure your vapor chamber is clean.

You want to make sure your vapor chamber is clean before you start vacuuming. You don’t want any dirt or contamination to get inside your product.

5.2 Attach your vapor chamber to the vacuum manifold.

Make sure it is sealed properly so no air can get in.

5.3 Vacuum.

Start vacuuming until you reach the desired pressure.

5.4 Hold/monitor.

Dependent on your process you may want to hold at a certain pressure for some amount of time.

5.5 Degas.

You can heat your vapor chamber and vacuum it to help remove unwanted gas.

5.6 Fill and Seal.

Depending on your process you may fill and seal your vapor chamber. You can also vacuum after you fill your vapor chamber. Some machines will do this all in one station.

Vapor Chamber Vacuum Pumping Machine

6. Difference Between Vacuuming and Degassing

Here are some differences between vacuuming and degassing.

Degassing can also be done by using vacuum equipment but it is not limited to just vacuum. You can heat and vacuum your product to release unwanted gas that is in the product.

7. Types of Vacuum Machines

There are many different types of vacuum machines that can be used. Here are some common ones:

Manual Vacuum Machine

A manual vacuum machine allows the operator to control how it is vacuumed. This can be good if you are doing research or just need to build a few units.

Semi Automatic Vacuum Machine

Semi automatic machines can do most of the steps for you. They may allow you to manually load the vapor chamber but will vacuum and monitor it for you.

Automatic Vacuum Machine

An automatic vacuum machine can load and unload the vapor chamber as well as do the vacuum process. These can be good if you are building a lot of vapor chambers.

Multi Station Vacuum Machine

Multi station machines allow you to have more than one vapor chamber being vacuumed at once. Each station can be independent or all share the same vacuum.

Vacuum and Filling Machine

Some vacuum machines can fill your working fluid into the vapor chamber as well.

8. Automatic Vapor Chamber Vacuum Machine 

There are many things that can be automated when vacuuming a vapor chamber.

• Automatically open and close valves

• Programable vacuming recipes

• Monitoring pressure

• Monitoring pump status

• Process steps can be timed

• Can have alarm if pressure goes to high or low

• Data logging

• Multiple products can be stored on the machine

• Communicate to rest of line

As you can see there are many things that can be automated when vacuuming your vapor chamber. If you automate this process it will allow you to get consistent vacuuming on your vapor chamber. Just make sure to program in the proper values for each vapor chamber that you produce.

Automatic Vapor Chamber Production Line

9. Things to look at when purchasing a vacuum machine.

There are many specifications you want to look at when buying a vacuum machine. Here are a few examples.

Just keep in mind that these specifications can change when they are connected to your vacuum machine. For instance if your pump can reach 0.0001torr it does not mean that you will be able to get 0.0001torr when attached to your vapor chamber. There are many factors that can affect your pressure.

10. How Does Vacuum Fit Into My Process?

There are many steps that happen when making a vapor chamber. Below is an example of a process.

Copper Prep > Forming > Making Wick > Clean > Assemble > Vacuum > Fill Working Fluid > Seal > Test.

Depending on your process you may fill your vapor chamber with working fluid before vacuuming it. Or you can do both in one station. Make sure that you follow your process.

You may have these machines in your process:

• Filling Machine

• Vacuum Machine

• Degassing Machine

• Laser Sealing Machine

• Hot Press

• Test Equipment

All of these can be put together to make your process easier.

Internal Links: Vapor Chamber Filling Machine Vapor Chamber Laser Sealing Machine

11. Factors that can effect your vacuum.

There are many factors that can play a role in your vacuum.

Leakage

If your machine leaks it will take longer to reach the pressure that you want. Make sure you are checking for leaks.

Pump Size

Your pump needs to be big enough to vacuum the space that you are trying to vacuum.

Pipe Size

The size of your pipes can also affect your pump down time. The bigger your pipe the faster air can travel through it.

Moisture

If there is moisture in your vacuum chamber it will take longer to reach your desired pressure. Make sure that everything is dry.

Materials

The materials that are in your vapor chamber can effect your vacuum as well. Some materials give off gas when they are heated.

Tempurature

Make sure that you know what temp your working fluid is going to be exposed to. Then make sure your vacuum machine can handle that temp.

12. Common Issues With Vacuum Machines

Below are some common issues that can happen with vacuum machines.

Takes too long to reach pressure.

This could be caused by your pump not being big enough. There may also be a leak in your system or your pipes may be too small.

Check your pump and make sure that there are no leaks. Also check that your pipes are big enough.

Cannot reach desired pressure.

Similar to issue #1. There may be a leak in your system. Or your pump may not be strong enough.

Check for leaks and make sure your pump is running correctly.

Pressure fluctuates.

Make sure that your machine isn’t leaking. There could be an issue with your valve as well. Or there could be something giving off gas in your system.

Too much moisture.

Make sure that everything is dry before you start vacuuming. There may be water left in your system from cleaning.

Vacuum not performing up to par.

Make sure that you have enough working fluid in your vapor chamber. You also want to make sure that your wick is not plugged and that your vacuum machine is operating correctly.

13. What Are the Advantages of Automatic Vacuum Equipment

There are many benefits that come from using automated vacuum processes.

Ability to Repeat Processes

Allowing you to program values to repeat evactions.

Decreased Manual Work

Using auto valves can decrease manual operations from the operator.

Know Your Pressure at All Times

Data can be displayed throughout your process.

Traceability of Process

Log data can help analyze your process.

Change Over Times Can Be Reduced

With recipe’s you can change over parameters with less time.

Machine Integration

Can allow integration of your vacuum process into your fill and seal processes.

Keep In Mind These Benefits Can Only Occur With Proper Equipment.

14. Vapor Chamber Vacuum Machines Can Be Used For

Smart Phone Vapor Chambers

Due to thinness of these vapor chambers we need to keep certain conditions while manufacturing.

Laptop Vapor Chambers

Most gaming laptop have there processor and graphics chip cooled by a vapor chamber.

GPU Vapor Chambers

Allow for a concentrated area of heat to be dissipated over a large area.

Servers

Help cool servers that require fast data transfer rates.

Communication Devices

Some communication devices require heat to be dissipated in small areas.

Automotive Electronic

May require a different type of vapor chamber to cool its electronic devices.

As shown above there are many industries that require vacuum machines.

15. What to Consider When Buying a Vapor Chamber Vacuum Machine

First off know what your product looks like.

If you can provide the size of your vapor chamber material used in your vapor chamber what your volume is and how you plan to fill the device that would be helpful.

Once we know the size of your vapor chamber we can tell you what pressure you should be at while processing your vapor chamber.

We can then look at how many vapor chambers you would like to produce per shift and give you an estimate on what your cycle time would be on our vacuum machines.

Another factor to consider is your pumping speed. This will not be what your vacuum pump specs say but your effective speed while evacuating the device.

Make sure the vacuum machine fixture fits your vapor chamber.

Do you want to run the process manually or automatic?

If you plan to expand your production line in the future we offer a multi station version of our vacuum machines.

Make sure you are buying from a company that will provide installation and maintenance on your equipment.

16. How to Maintain Your Vapor Chamber Vacuum Machine

You should make sure your vacuum machine is being properly maintained. Some things to check are.

Make sure your seals on your vacuum machine are sealed properly.

• Check all piping for leaks.
• Make sure your vacuum pumps are being serviced.
• Calibrate your pressure gauge.
• Check to see if your valves are operating correctly.
• Inspect fixtures.
• Check wiring.
• Make sure alarms are working properly.
• Log all information.

You can also test to make sure your system can reach your target pressure and pump down time.

Use proper gauges to measure your vacuum levels.

Depending on your process you may want to helium leak test your machine as well.

17. Why Should You Buy Your Vacuum Machine From Nanjing Bangwin Machine?

Nanjing Bangwin Machine specializes in building machinery for industrial purposes.

When manufacturing vapor chambers we feel it is best to have all your processes linked together.

So when purchasing a vacuum machine know what you want to size, working fluid, pressure you need to reach, cycle time and if you want it to be automatic or not.

Some of our machines that can link into your vapor chamber process are.

• Vapor Chamber Vacuum Machines

• Vacuum Pumps

• Degassing Systems

• Liquid Filling Machines

• Laser Welding Machines

• Hydraulic Press

• Thermal Test Equipment

• Fully Automatic Production Lines

As shown we can provide many solutions to help you automate your production line.

Feel free to contact Nanjing Bangwin Machine to learn more about our products.

18. FAQ

l What is a vapor chamber vacuum machine?

A machine that can evacuate the air out of a vapor chamber.

l Why do I need a vacuum machine for my vapor chamber?

Your vacuum machine allows you to pull as much gas out of your vapor chamber to allow evaporation/condensation to happen at optimal temperatures.

l What pressure do I need to evacuate my vapor chamber at?

That depends on what fluid your using and what temperature your running your process at.

l Can I get all of the gas out of my vapor chamber?

No there will always be some form of gas in your vapor chamber. You will just need to make sure you degassed your vapor chamber properly.

l What is the difference between vacuum pumping and degassing?

Vacuum pumping is pulling a lower amount of gas out of your vapor chamber. Degassing can consist of many factors to get your unwanted gases out of the system.

l Can I couple my vacuum machine to a filling machine?

Yes we do provide this service as well.

l What is a multi station vacuum machine?

It allows you to process multiple vapor chambers on one machine.

l How can I get better vacuum levels?

Increase your pump speed. Make sure you don’t have any leaks. Increase your man fold conductance and add automation to your machine.

l Why am I not getting good vacuum?

Leaking. Not enough pump speed. Moisture in system. Out gassing. Blocked piping. Broken parts.

l What do I need to know before I buy a vacuum machine?

Know what size your product is what pressure you need and how many pieces you want to produce.

19. Conclusion

There are many aspects that go into making a quality vapor chamber.

The vacuum machine will help remove all unwanted gasses from your vapor chamber.

But to ensure you are producing a quality vapor chamber make sure you are following all steps when producing your vapor chamber.

By using automatic vacuum machines you can increase your ability to repeat processes and decrease manual operations.

Which will also help with the integration of filling your vapor chamber.

If your looking to purchase a new machine know what you want your product to look like. What pressure you need to reach and how many units you want to produce.

Feel free to reach out to Nanjing Bangwin Machine for all of your manufacturing needs.

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