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It consists of laser emitter, cutting head, beam transmission assembly, machine tool table, CNC system, computer (hardware, software), cooler, protective gas cylinder, dust collector, air dryer, etc.
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The operation of the laser cutting system mainly includes the following steps:
1.Preparation: Make sure that both the laser cutting machine and the material are in working order. Check whether the coolant, gas**, etc. of the laser cutting machine are sufficient, and clean the laser cutting area.
2.Set parameters: According to the type and thickness of the material, set the appropriate parameters such as laser power, cutting speed and focusing distance. The setting of these parameters affects the cutting effect and speed.
3.Positioning the material: Place the material to be cut on the table of the laser cutting machine, and ensure that the relative position of the material and the laser beam is accurate by adjusting the table position.
4.Turn on the machine: Power on the laser cutting machine and start the system. Confirm that all safety equipment, such as light curtains and emergency stop buttons, are operating properly according to the instructions on the operator interface.
5.Run the machining program: Use the laser cutting software to load and run the appropriate machining program files. These files usually contain information such as cutting path, speed, power, etc. Make sure that the correct machining program and material parameters are selected.
6.Monitor the cutting process: During the laser cutting process, closely observe the situation in the cutting area. Ensure that the quality of the cutting edge and the cutting speed of the missing traveler meet the requirements.
7.Finish cutting: When the cutting task is completed, stop the operation of the laser cutting machine. Be careful to wait for the laser to turn off completely and ensure that the cutting area is safe before removing the cut material.
Please note that the above steps are general procedures only and may vary slightly depending on the laser cutting system. Before the official operation, please be sure to refer to the operation manual of the laser cutting machine, and follow the corresponding safety specifications and operation instructions.
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1. Lasers.
Internal light: The laser generator uses electrical energy to convert into light energy, and the current electro-optical assembly and replacement ratio is 25-35%, and the higher the electro-optical rate conversion, the smaller the energy consumption.
2. a cutting head.
External light: After the light is generated, it will be transmitted to the cutting head through the optical fiber, and in the process, the light will be collected and focused to form a super-dense spot to reach the cutting energy.
3. Control the operating system.
At present, the better known in China is the Baichu control system, which uses numerical control to draw, typeset, and control the running trajectory of machinery.
Bochu control system.
4. Locomotor system.
The main components of the motion system: gears, racks, guide rails, beams, servo motors, reducers, if you want the machine to run accurately and stably, these are also interlocking.
Laser cutter cutting.
5. Cooling system.
The main thing is to cool the laser cutting head, and the thermal expansion effect will occur when the cutting head is overheated, which will lead to light drift or focus displacement, and the workpiece will be cut continuously.
6. The machine tool frame bears the weight of the entire machine tool, and if the strength and hardness are not enough, there will be jitter, which will affect the accuracy and service life of the machine.
Laser cutting machine body.
The above is the 6 major components of the laser cutting machine, Parkson Laser (think that the laser cutting machine is composed of the above 6 parts.
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Laser cutting is to melt and evaporate the workpiece when the laser beam is irradiated to the surface of the workpiece, so as to achieve the purpose of cutting and engraving, with high precision, fast cutting, not limited to the limitation of cutting patterns, automatic nesting to save materials, smooth incision, low processing cost and other characteristics, will gradually improve or replace the traditional cutting process equipment.
Composition and principle: The technology uses the energy released when the laser beam hits the surface of the sheet metal to melt the sheet metal and blow the slag away by gas. The laser source is generally a carbon dioxide laser beam with a working power of 300 5000 watts.
This level of power is lower than what many household electric heaters require, however, through lenses and mirrors, the laser beams are concentrated in a small area. The high concentration of energy enables rapid local heating to melt the sheet metal. In addition, due to the concentration of the special chiller for laser cutting machines, only a small amount of heat is transferred to the rest of the metal sheet, resulting in little or no deformation.
Blanks with complex shapes can be cut with great precision with lasers, and the cut blanks do not need to be further processed. Stainless steel below 16mm can be cut by laser cutting equipment, and stainless steel with a thickness of 8 10mm can be cut by adding oxygen to the laser beam, but a thin oxide film will be formed on the cutting surface after oxygenation cutting. The maximum thickness of the cut can be increased to 16mm, but the dimensional error of the cut part is large.
Laser cutting equipment is quite expensive, about 2 million yuan or more. However, due to the reduced cost of subsequent processing, it is still feasible to use this equipment in large-scale production. Since there are no tooling costs, laser cutting equipment is also suitable for the production of small batches of parts of various sizes that could not be processed before.
Laser cutting equipment usually uses a computerized numerical control technology (CNC) device, which can be used to receive cutting data from a computer-aided design (CAD) workstation using a ** line.
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The components of a laser cutting machine are as follows.
1. The main part of the machine tool: it is used to place the cut workpiece and move it correctly according to the control program, usually driven by a servo motor.
2. Laser generator: a device that generates a laser light source.
3. Outer light path: refractive mirror, which is used to direct the laser in the desired direction. The mirrors are protected by protective covers, and a clean positive pressure shielding gas is introduced to protect the lenses from contamination.
4. CNC system: control the machine tool to realize the movement of x, y and z axes, and also control the output power of the laser.
5. Regulated power supply: connected between the laser, CNC machine tool and the power system.
6. Cutting head: mainly including cavity, focusing lens seat, focusing mirror, capacitive sensor, nozzle and other components. The cutting head drive device is used to drive the cutting head to move along the Z-axis according to the program, and is composed of servo motors and transmission parts such as screw rods or gears.
7. Console: used to control the working process of the whole cutting device.
8. Air compressor and air storage tank: provide and store compressed air.
9. Air dryer and filter: It is used to supply clean dry air to the laser generator and beam path to keep the path and mirror working normally.
10. Exhaust dust collector: extract the smoke and dust generated during processing, and filter it to make the exhaust gas emission meet the environmental protection standards.
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The laser cutting machine is mainly composed of a laser generator, a cooling water circulation device, an air compressor, a transformer, a numerical control system, an operating table, a cutting head and a host. The main thing is the laser generator, which directly affects the performance of the equipment. The ** of the device is directly related to the generator.
In addition, it is generally recommended that the generator and CNC are better from the same manufacturer. It is beneficial for the control and operation of the entire machine, as well as for maintenance.
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Laser cutting machine composition:
1) Machine tool host 2) Laser generator 3) External optical path 4) CNC system 5) Stabilized power supply 6) Cutting head 7) Operation table 8) Chiller 9) Gas cylinder 10) Air compressor, air storage tank 11) Air cooling dryer, filter 12) Exhaust dust collector 13) Slag discharger.
The laser cutting machine is composed of these 13 parts.
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Main engine, electrical cabinet, fan, air pump, industrial refrigerant, feeding rack (optional). The main machine is composed of a frame, a platform, a bellows, a gantry, a laser tube, a reflector, a focusing mirror, a material presser, etc. Hope to adopt.
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Mechanical part, circuit part, optical path part, software use.
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