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LiM Laser: Safety as the cornerstone for a new future of smart manufacturing
Author：
Time：2025-02-24
With the full arrival of the industry 4.0 era, metal 3D printing technology in the manufacturing industry has been rapidly popularized and widely used, it is a unique technological advantages and innovative production mode, for the traditional manufacturing industry to bring unprecedented opportunities for change, for the development of intelligent, flexible injection of strong power. Stable operation of equipment and standardized operation of personnel in the production process is the most important thing, which is directly related to the construction of production safety.LiM Laser, as an advanced enterprise in the field of metal additive manufacturing, adheres to the principle of “safety first, user first”, and carries the awareness of safety through every link of design, research and development, manufacturing and service, from product design to operation management, and comprehensively builds up a solid foundation of safety in every aspect, from product design to operation management. From product design to operation and management, we have built up a comprehensive production safety defense line.
After years of technical accumulation and industry exploration, LiM Laser has formed a unique advantage in equipment safety design. Starting from the details, each design has been repeatedly verified and iteratively optimized to effectively guard equipment safety and personnel safety.
Oxygen content monitoring in the molding chamber
Metal 3D printing equipment requires the use of inert gas for protection throughout the entire processing process. In order to prevent gas leakage from causing safety risks, the equipment is equipped with an oxygen content monitoring system in the molding chamber, which ensures that the oxygen concentration in the molding chamber is maintained within 100ppm by real-time monitoring, and an automatic alarm is issued for exceeding the limit.
Human-powder separation design
SLM technology uses micron-sized metal powder as raw material, once the dust is inhaled into the lungs, it will damage the health of the employees; on the other hand, if the active metal powder is exposed to the air, it will be a safety risk. LiM Laser's multi-dimensional powder recycling program makes the powder flow operation safer and more efficient, in particular, the fully automated powder recycling system can realize the automatic powder feeding, sieving, and overflowing powder recycling, etc., and realize powder recycling during printing under the protection of inert gas. In particular, the fully automatic powder circulation system can realize automatic powder feeding, sieving, overflow powder recovery and other processes, and the whole process is protected by inert gas to realize the circulation of powder in the printing, and the separation of people and powder, which greatly improves safety.
In addition, the large equipment pickup chamber is equipped with a glove box, the internal inert gas protection, forming a relatively closed operating environment, to ensure that the operator and the effective isolation of metal powder, reducing the risk of inhalation.
Safety interlock design
During the operation of metal 3D printing equipment, if the door of the molding chamber is opened improperly, the internal laser may cause injury to personnel. Therefore, with the safety interlock design, the molding chamber hatch cannot be opened when the equipment is in operation, and the laser cannot be used when the hatch is opened, which is a double guarantee to avoid injury.
Equipment Design
SLM technology uses laser as the energy source to realize metal powder melting, but the high-energy laser beam is easy to cause damage if it directly irradiates human eyes and skin. Therefore, LiM Laser equipments are equipped with laser protection windows to effectively block laser radiation and ensure the health and safety of operators.
Most of the large-size equipments are designed with step platforms, compared with the ground platform, the operation space is narrow and there is the risk of falling down from the ground. Our large-size equipment is equipped with guardrails and non-slip pedals to avoid injury to personnel.
Our equipment has passed CE, explosion-proof, FDA certification and ISO9001, ISO14001, ISO45001 quality system certification, authoritative assessment, professional certification, safety without worry.
In addition to equipment hardware safety protection, we also provide users with a full range of services and support, especially the preliminary training services, including system operation, equipment operation, routine maintenance, common problems, etc., through the ladder operation training, to help users build the whole process of knowledge framework from equipment operation to safety protection, to ensure that users standardize the use of equipment.
Safety is the cornerstone of the high-quality development of manufacturing industry, and it is also LiM Laser's firm commitment to users. Through innovative safety design, strict quality control and rich application experience, we provide users with safe, reliable and efficient metal 3D printing total solutions, and steadily move forward on the road of intelligent manufacturing. In the future, we will continue to take safety as the cornerstone, constantly develop and iterate new equipment, promote the innovative application of metal 3D printing technology, and contribute to the transformation and upgrading of the global manufacturing industry.
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