Big Size Mould Laser Welding Machines CNBM from china

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Product Description:

BMII Series  Mould Laser welding was designed by our engineers and special for the big sizes mould repair. The mould size Max Diameter is 3000mm around can be repaired by this laser welding machines.


The laser deposition welding system (laser mould welder) is specially designed for the mould industry and used in repairing of precision moulds, such as mould manufacture for digital products, mobile phone, toy, automobile and motorcycle, and molding industry. Through the repairing of moulds, it is possible to reuse the moulds, save the production cost and improve the working efficiency significantly. This technology can also be used to modify the design or size of moulds to reduce the development period.




The working principle of this laser deposition welding system is to use laser high thermal energy and the melting technology in spot to process the welding and repairing of minute parts. It makes up the shortage of traditional hydrogen arc welding in repairing precision surfaces, avoids the two difficulties of thermal strain and after-treatment, and saves the production period of mould.




It is specially designed for the mould industry and the technology is imported from Germany. With unique structure design, it is suitable for repairing of large, medium and small moulds.
1.Ceramic converging cavity is imported from the Britain. It is corrosion resistant and high temperature resistant, and has 8-10 years service life. The life of xenon lamp is more than 8 million times.
2.Use the most advanced light shielding system to eliminate the irritation to eyes by light during working.
3.The laser head and optics part can be rotated for 360°, upward/downward lifting and forward/backward pushing, suitable for repairing of large, medium and small moulds.
4.The parameters are controlled by intelligent remote controller, which is simple and convenient.
5.The work bench can be lifted, and moved in three dimensions.
6.The size of light spot can be adjusted. 


Suitable materials


The materials that can be welded are extensive: cold work alloy steel, hot work alloy steel, nickel tool steel, high grade steel, steel alloy, high tenacity aluminum alloy, etc.


Technical Parameters:



BMII 200 / BMII300/ BMII400

3-axis stroke of work bench

X=300mm, Y=200mm (X, Y can be adjusted manually and Z-axis can be lifted)

Bearing of work bench


Device weight


Power supply

220V±10%/50Hz , 380V±10%/50Hz

Laser parameters

Laser parameters

Laser type

Nd:YAG pulse

Adjusting range of light spot


Size of light spot


Laser wavelength


Pulse width


Maximum laser power


Pulse frequency


Laser output focus length


Laser cooling

Water cooling

Observing system

Microscope (360° adjustable)

Protection gas

One line (xenon)

Welding wire diameter


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