Energy feedback galvanometer scanner laser welding machine-DAYUE LASER

The principle of energy feedback: add an energy detection device at the output end of the laser to detect the size of the output laser energy, and feedback the signal to the control end in real time. Then compare with the energy set by the program, adjust the output in real time, and form a stable closed-loop control system. It can achieve precise control of the stable output of laser energy.

Advantages of energy feedback: Equipped with an automatic energy detection and compensation system, the energy output is more stable, and the consistency of the welding point effect is ensured. When the welding material and model remain unchanged, suitable welding parameters can be used for a long time. When the xenon lamp is attenuated or replaced, there is no need to reset the welding parameters. It ensures stable and good processing conditions, reduces product defect rates, and is more suitable for automated production lines.

The picture below is a comparison between welding without energy feedback and welding with energy feedback.

Note: The welding machine without energy feedback is also perfect, and the probability of unstable fluctuation of laser energy is only 1%. The energy feedback system is to eliminate this 1% probability, and it is suitable for products with high welding requirements.

The equipment uses a high-precision galvanometer scanner and pulsed laser to form a scanner laser welding machine. It can use the built-in galvanometer scanner to control the laser movement without moving the laser head. The laser passes through a high-speed galvanometer scanner, and then focuses on the workpiece for welding.

Galvanometer scanner laser welding machine uses high-speed scanning galvanometer to control the laser position, and the scanner speed can reach 7000mm/s. The welding speed is fast, and the production efficiency is five times that of the general laser spot welding machine. Especially suitable for spot welding of various small and thin-walled parts. The laser moving path is controlled by a dedicated laser welding software. The welding path or graphics can be directly input and edited in the software, or edited through AutoCAD, CorelDRAW and other software, and can also import DWG or PLT files.

Features:
1. Fast welding speed, high precision, stable quality, fast positioning, convenient operation and simple maintenance.

2. The thermal deformation is extremely small and will not affect the internal electronic components or chemical composition performance of the product.

3. Dedicated control components, powerful functions, simple operation, compatible with multiple formats of graphic files.

4. The production efficiency is 4-10 times that of the general laser spot welding machine.

5. High-power cooling system to meet continuous mass production.

6. It can be used with supporting equipment to realize online automatic production.

7. Uniquely configured energy feedback system: make the laser output stable for a longer time, and the welding effect is more perfect.

Industry Application：
It is used for welding with high requirements and high speed. Such as: electronics, communications, medical machinery, watches, glasses, IT products, digital communication products, precision parts, hardware, etc. Including the welding of precision parts, such as microelectronic components and integrated circuits. Diodes, batteries, mobile phone shields, metal mobile phone shells, metal capacitor shells, computer hard drives, micro motors, sensors, metal shielding nets, razor blades. Spot welding, hermetic welding and lap welding of other types of electronic products.

Technical Parameters:
Laser type: YAG
Laser wavelength: 1064nm
Maximum laser output power: 300W
Maximum laser pulse energy: ≤80J
Pulse width: 0.1~20ms
Pulse frequency: 0~200Hz
Welding point spacing: ≥0.1mm
Welding range: 100*100mm
Cooling method: water cooling

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