Advantages and Disadvantages of Textile Laser Cutting

16, Dec. 2024

 

Advantages and Disadvantages of Textile Laser Cutting

Cutting textile into pieces is one of the crucial stages in the process of soft material production. It's only after the cutting of the materials that they can be sewed or heat pressed into desired shapes and sizes. One of the very popular methods of getting it done is the laser cutting process. With proper use of good quality laser parts, laser cutting process can be very effective and low cost.

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At the same time, it does have a few downsides as well. So let's explore those great qualities and disadvantages more closely.

What Are the advantages of Laser Cutting?

The reason why clients prefer laser cutting more and more lies with the long list of upsides it offers. The advantages of laser cutting are flexibility, precision, repeatability, speed, cost-effectiveness, great quality, contactless cutting, material saving, versatility and automation possibilities.

Flexibility

Laser cutting offers freedom for the design and the quantities of product. Indeed, you can choose anything! For the design, once you have your software and respect the material design guidelines, you can do anything. There is almost no constraint while using this manufacturing technique. And no matter if you want to customize one piece or massive thousands of pieces, you can all use this laser technology to have same cutting cost and no extra model needed.

Precision and Material Saving

The highly accurate and precise nature of cutting is one of the greatest benefits that lasers have brought. It allows for highly accurate cuts that leave a clean cut and a smooth finish. This vastly reduces the amount of material wastage that has been seen in the past.

Reduced Finishing Requirements

Because laser cutters produce highly precise cuts, they will lead to fewer necessary finishing requirements. Edges produced by a laser cutters are smooth and free from burrs. The beams are also tightly focused, meaning there will not be internal flaws from heat exposure. Because laser cutters will produce high-quality, precise cuts, quality checks will take less time.

Quality

As laser spot size is very small and the repeatable precision is very high, each cutted pieces' size and shape are same and it makes the next sewing or pressing process much easier and the final product very high quality.

Contactless Cutting

This means that the laser beam used doesn't physically touch the material that it is working with, instead causing the melting and cutting process through heat. This means that damage to the material is minimized and the shape is exactly as the original designed.

Labor Saving

Due to the easy operation of the laser cutting machine, the operator only need to take care of the cutted patterns pick-up job. Generally one worker can take care 1-3 cutting machines due to different product. It will reduce a lot of pressure of finding experienced worker and can save you a lot of cost.

What Are the Disadvantages of Laser Cutting?

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And because not everything can be good, here are what we considered disadvantages:

Thicker materials are more difficult to cut or require very low speeds. 

Multi layer material cutting mode is not suggested due to the contaminated cutting edge.

The laser beam is powerful and can cause some burns if it accidentally comes in contact with human workers.

Some composite material with glue inside or PU or authentic leather will have some yellow edge due to heat cutting.

While you can find other cutting methods which are inexpensive and being preferred since a long time, you cannot ignore the plus points that laser cutting has to offer. The quality of cut that laser cutting provides can hardly be achieved by other methods available for carrying the process.

Should you have any interest, just feel free to let us know.

KASU Intelligent Technology Co., Ltd.

Web: http://www.kasulaser.com

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Laser Cutting: Advantages & Inconvenients

Laser cutters are high-energy, focused laser beams that cut sheets of steel, wood, plastic, and other materials into two-dimensional parts in the manufacturing and hobbyist arenas. "Laser" is a commonly used term for "Light Amplification by Stimulated Emission of Radiation," which explains the physical science necessary to generate laser light. It is a widely adopted technology suited for the mass production of precise two-dimensional parts.

The laser-cutting process utilizes a computer-generated program called a G-code, a set of machine-readable instructions instructing the machine where to move the laser-cutting head. Once the program is loaded, the material may require additional preparation before loading material onto the cutting bed. Once the material is loaded, a small, high-energy light beam is initiated and focused on one spot to heat the material and initiate the cutting process. As the material heats, the laser is directed to cut multiple parts using a series of mirrors and lenses. The intense heat melts and often vaporizes material as it is directed across the bed while cutting parts from the material sheet. Parts are removed and may be further processed.

Laser cutters are used in a range of applications, including engraving, laser welding, tube cutting, and sheet metal and plate cutting. There are several different types of lasers and methods used for Laser Cutting. These include the following:

Types of Laser Cutting:

  • CO2 Lasers ' This laser utilizes carbon dioxide (CO2), Helium (HE), and Nitrogen (N) to optimize the cutting process; Nitrogen help to amplify the energy while Helium helps to dissipate the remaining energy after the cut. These lasers are often used with metals plate but struggle with materials that have high reflectivity and thermal absorption.
  • Fiber Lasers ' Flexible fiber optic cables carry photons to produce the beam with the assistance of rare earth elements such as erbium, neodymium, thulium, or yttrium. Each element produces different wavelengths for varying applications. These lasers are best suited for cutting reflective materials like brass or gold and, due to the flexibility of the fiber cable, can be mounted to robotic arms. 
  • Nd:YAG lasers ' This powerful, high-density laser is often used for marking and etching. This laser utilizes a neodymium (Nd) doped yttrium aluminum garnet crystal (Y3Al5O12) which aids the photon acceleration to create a high-intensity beam. Nd:YVO lasers operate similarly with improved power stability, reduced heat, and greater laser intensity. 

Laser cutters are used to cut a wide range of materials. The most commonly cut materials are listed as follows:

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  • Acrylic ' This transparent, rigid material is also known as polymethyl methacrylate or PMMA.
  • Aluminum ' A reflective material, fiber lasers cut most types of aluminum.
  • Brass ' Best cut with a fiber laser.
  • Cork ' Cork can be easily laser-cut or engraved.
  • Felt ' A fabric that cuts easily, especially if 95%+ wool. 
  • Hardboard ' Easy to cut but releases fumes from adhesives.
  • Leather ' This material is easily cut or engraved, often for personalized items
  • Stainless Steel (SS) ' Fiber lasers are best suited for SS.
  • Steel ' This includes mild steel and carbon steel. High-power lasers can cut up to 20'25 mm plate thickness. 
  • Wood ' Low-power lasers are used for the different types of wood.
  • Other materials include: