How to Solve Slag Problem in Aluminum Tube Laser Cutting | GoldenLaser

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Burr-Free Laser Cutting for Bicycle Aluminum Frames

folding bike

Do you have the same problem with many slags inside the aluminum tube?

The traditional slag removal function of the tube laser cutting machine can ensure the inside is clean for lots of carbon steel tubes, stainless steel tubes, and copper tubes.  Even a bit of slag or dust on the tube will fall off during handling or manual vibration. No effect of the use of the finished tube.

But, when you have an extremely high request on clean of the inside of an aluminum tube, it is better to consider our new technology of water jet slag removal technology.

Today, we'd like to share an aluminum tube slag removal solution for the foldable bicycle frame processing.

Bicycles, as a traditional industry, are rapidly changing with new technology, such as fiber laser cutting technology. Why say that? Because bicycles have lots of changed during their development, the size range from kids to adults, from fixed size to flexible size, customized size to the rider, and foldable design to meet personalized demand. The materials are from normal steel to stainless steel, aluminum, titanium, and carbon fiber.

The quality of bicycle manufacture has also increased by importing the new technology, the fiber laser cutting makes the design and production more possible. With the popularity of bicycle exercise, the demand for foldable bicycles has increased a lot; lightweight and portable are important. How do we ensure these two points in the design and production?

Aluminum and titanium pipes will be used instead of stainless steel as the main foldable bicycle frame in production. Although the price will be higher than that of black steel, many foldable bicycle fans will accept it. Lightweight materials and smart structure design give a lot of conveniences, same as outdoor camping, off the metro, or to solve the last 1km to the destination. Foldable bicycles give us a lot of fun and exercise in high-pressure lives.

How do we ensure the accuracy of the cutting result?

foldable bick structure

  • If we use a sawing machine to cut the aluminum, the surface will be distorted a lot.
  • If cutting by laser, the cutting edge is good, but there is a new question, the doss and slag inside the pipe.

Because aluminum slag is easy to stick to the inside of the pipe. Even small amounts of slag will increase friction between the tubes, making it inconvenient to fold and store. Not only the foldable bicycle, but also lots of portable and foldable design products need to solve this problem.

  • Secondary polishing increases cost
  • Affects assembly precision in bicycle frames
  • This leads to higher labor costs and lower production efficiency.

Luckily, after lots of tests of removing the slag from the aluminum pipe, Golden Laser finally used a water system during the laser cutting. It perfectly ensures an extremely clean aluminum pipe after laser cutting.

Aluminium Tube with water jet slag function and without slag Cutting Result Compare

This aluminum tube laser cutting result picture clearly showed the different with water jet slage function and the no slag removal function result.

Don't you think it is amazing?

  • No secondary cleaning required
  • Reduces post-processing cost by 30%
  • Improves frame assembly accuracy

The video shows water removing the slag of an aluminum pipe by laser cutting.

Do you want the same aluminum bicycle frame production line?

Send your tube sample for the cutting test

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With the development of laser cutting technology, we believe we can bring more innovation to traditional production.


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