Dec 16, 2021 Jan 04, 2022 Claire 259
Laser cleaning uses optical fiber transmission to guide the laser to make it flexible, and the built-in scanning galvanometer is used to control the high-speed movement of the light spot, which is convenient for non-contacting of rubber tire molds, special-shaped parts, holes, grooves and other parts that are difficult to reach by traditional cleaning methods.
Laser cleaning technology is a new technology that has only appeared in the past ten years. It was not until the early 1990s that it was gradually valued by researchers and developed rapidly. Its appearance opened up a new field of application of laser technology in industry. Compared with cleaning methods such as mechanical, dry ice, chemical, and sandblasting, laser cleaning of rubber molds has obvious advantages. It is not only efficient, fast, and low-cost, but also has low thermal and mechanical load on the substrate, safe, reliable, and pollution-free, and easy to implement. Automated control to realize remote cleaning and so on.
Every year, tire manufacturers all over the world manufacture hundreds of millions of tires. The cleaning of tire molds during the production process must be rapid and reliable to save downtime. Traditional cleaning methods include sandblasting, ultrasonic or carbon dioxide cleaning, etc., but these methods usually have to cool the high-heat mold for several hours, and then move it to the cleaning equipment for cleaning. It takes a long time to clean and easily damages the accuracy of the mold. , Chemical solvents and noise can also cause safety and environmental issues. Using the laser cleaning method, because the laser can be transmitted by optical fiber, it is flexible in use; because the laser cleaning method can be connected to the optical fiber, the light guide can be cleaned to the dead corner of the mold or the part that is not easy to remove, so it is convenient to use; No gasification, so no toxic gas will be produced, which will affect the safety of the working environment.
The tire mold is an important tool used in the tire production process (vulcanization process). There are some patterns in the tire mold (corresponding to the tire pattern), and long-term use will produce many deposits, such as sulfide, inorganic matter, silicone oil, carbon black, etc. Therefore, it needs to be cleaned regularly to ensure the cleanliness of the surface. However, due to the irregular and complex patterns of the mold, the general cleaning method has not been cleaned in place, and some parts will form a dirty corner, which will affect the quality of the tire.
At present, the main methods used for tire mold cleaning include mechanical cleaning, chemical cleaning, dry ice cleaning, ultrasonic cleaning, and laser cleaning. In the past ten years, laser cleaning has developed rapidly, gradually replacing other cleaning methods in many fields. So, what are the advantages of laser cleaning technology?
After the laser is radiated to the mold surface, it will be absorbed by the deposits on the mold surface. Under the action of high-temperature energy, the deposits instantly vaporize and evaporate off the surface of the object, and the time required is very short. However, the traditional cleaning methods, such as ultrasonic cleaning, can only be cleaned after preheating, cooling and other processes, which takes a long time. For a tire manufacturer with a daily output of thousands of tires, laser cleaning technology is obviously the most efficient.
The laser beam can reach the parts that are not easy to clean for cleaning, and the cleanliness is higher. Moreover, laser cleaning is non-contact cleaning, and no solvent or substance is added during the cleaning process, so under appropriate process parameters (laser optical parameters), it will not cause damage to the mold. Compared with traditional mechanical cleaning, chemical cleaning and other methods, it is more reliable.
Laser cleaning uses high-energy light beams without the use of any organic solvents, so it is pollution-free, noise-free, and harmless to humans and the environment. On the other hand, various environmental protection laws and regulations have been implemented and implemented, and environmental manufacturing has gradually become normal. In such an environment, laser cleaning technology is undoubtedly the most suitable.
The technology of laser cleaning rubber tire molds has been widely used in the tire industry in Europe and the United States. Although the initial investment cost is relatively high, the benefits of saving standby time, avoiding mold damage, working safety and saving raw materials can be quickly recovered. Compared with conventional cleaning methods, the economic benefits of laser mold cleaning are obvious.
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