Do you know the product characteristics of the gantry structure laser cutting machine?

With the development of high-speed, high-speed, and high-stability applications of laser processing enterprises and the development of internal control information technology can be steadily improved, the gantry structure laser cutting machine has also become the best in my country and the world with its unique structural advantages. Mainstream models.

In industrial products, laser cutting machines have achieved rapid development in recent years. Its near-infrared wavelength (1080nm) is also more conducive to the absorption of metal materials, especially in high In the field of power welding and cutting, it shows high processing ability and economy. Compared with gas CO2 lasers, the development of fiber laser cutting system equipment has the following characteristics: low maintenance, low energy consumption, low operation and management costs; optical fiber network transmission, no reflective lenses, no need to adjust the external optical path; low power consumption , The laser has no working environment gas consumption, energy saving and environmental protection. At the same time, near-infrared wavelength lasers are more likely to cause harm to the human body, especially to the eyes, and require equipment with better protection functions such as sealing.

Structural CNC laser cutting equipment usually has a stand, a cantilever beam and an upside-down intermediate image. However, with the development of high-speed, high-speed, and high-stability applications of laser processing enterprises, students and the development of internal control information technology can be improved. With its unique structural comparative advantages, the gantry structure has become the mainstream machine in the world at present. It is also a structural type adopted by many well-known brand laser cutting machine manufacturers.

The application of fiber laser cutting equipment in the cutting of metal sheets is compared with conventional CO2 laser cutting machines, which are characterized in that the optical path changes, cutting head, auxiliary gas, and the like. Plasma cutting machine, laser technology can directly affect the transmission to the cutting head through the use of optical fiber. The optical path is stable, safe, reliable and effective to ensure the consistency of the full-frame cutting of the machine tool in our country. Machine and other processing information system; after the laser reaches the cutting head, it is collimated and focused. Usually a focusing lens with a focal length of 125mm or 200mm can be configured. A protective control lens must be installed between the focusing lens and the nozzle structure to prevent the student's focusing lens from being contaminated The optical fiber has a good focusing network performance as a laser development, with a short focal depth and a narrower cutting slit width (up to 0.1mm), which is suitable for rapid cutting of medium and thin plates.

Several linear axis transmission methods commonly used in CNC machine tools include ball screws, rack and pinion, linear motors. Ball screws are usually used in small stroke and low speed CNC machine tools; racks and pinions Movable and widely used, can achieve high-speed, cerebral apoplexy; linear motors are used in multi-speed, high-acceleration, CNC machine tools with special structures. In addition, the gears using racks are divided into two types: straight teeth and helical teeth. Compared with the spiral cylinder between the drive gear and the rack, the larger joint area is more stable.

The gantry structure of the laser through the cutting machine has two different forms of movement development, one is that the gantry moves but the worktable is fixed during processing, and the other is that the gantry is fixed and the worktable can move. For large-shaped, high-speed, high-performance laser cutting machines, the first form is usually adopted, because the worktable with workpiece movement is not suitable for high-speed thick plate cutting.. This bilateral driving force ensures that the balance beam and the beam run synchronously. The laser cutting machine of some manufacturers can be driven by gantry unilateralism. The servo control motor is installed at one end of the gantry beam, and then the driving force is transmitted to the other end through a long shaft of the student, realizing double-pinion and rack transmission, single Servo system motor technology drive. This kind of single drive ends the symmetrical discontinuous beam, and the influence of synchronization accuracy reduces the dynamic performance of the machine.

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