Open-style High Speed Laser Cladding Machine

The machine makes use of high-density laser beam to spray cladding powders on workpiece surface, then, the powder melts quickly and forms metallurgical bonding to modify partial or all of the surface and make workpiece resistant to abrasion, corrosion and high temperature. It is suitable for coal mining, mechanical manufacturing, printing and food industry.

6/12 [kW] Laser power
2 [T] Max load of table (no carrier roller)
6000 [mm] Max length of workpiece
Φ800 [mm] Max swing of workpiece

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Technical Parameters

Main Parameters	Model
Main Parameters	SFH3050	SFH6050
Laser Power (kW)	6/12	6/12
Power Feeder	SENFENG dual-cylinder pneumatic powder feeder	SENFENG dual-cylinder pneumatic powder feeder
Laser Cladding Head	SENFENG high-speed laser cladding head	SENFENG high-speed laser cladding head
Control System	SENFENG intelligent cladding system	SENFENG intelligent cladding system
Max Load of Table (T)	2	2
Max Length of Workpiece (mm)	3000	6000
Max Clamping Diameter of Workpiece (mm)	Φ800	Φ800
Max Swing of Workpiece (mm)	Φ800	Φ800
Chuck (mm)	Φ500 (self-centering, three jaws)	Φ500 (self-centering, three jaws)

Automation

Optional Benefits

1. Fully-covered protective chamber

Take a fully-covered structure into shape and reserve dust-proof interface to make cladding safer and more eco-friendly

2. Carrier roller

Deal with 3T workpiece (based on 2T)

3. CNC system

Provide other CNC systems to clad other complex spare parts incl. crank shaft and screw shaft

4. Wide-band quenching head

Carry out laser quenching on axial and other planelike workpieces

What is laser cladding and how does it work?

Laser cladding is an important method for surface modification of materials. It uses high-energy laser beam to irradiate the metal surface for rapidly melting, expanding and solidifying. The cooling rate typically reaches 102 to 106℃/s, then, a layer of material with special physical, chemical or mechanical properties will take its shape on the substrate surface, thus creating a new composite material. This process can compensate for the lack of high performance in the base material and significantly improve substrate surface properties in terms of wear, corrosion, high temperature and oxidation resistance.

What are technical characteristics of laser cladding?

Compared to commonly used methods such as overlay welding, thermal spraying and plasma spraying, laser cladding has the following advantages:

* The heat-affected zone is small, resulting in minimal deformation of workpiece and a high yield of cladding.

* The layer has fine crystal grains and dense structure, leading to relatively high hardness and better wear and corrosion resistance.

* Due to short duration of laser action, the dilution rate of cladding layer is low, which causes a smaller amount of material melted (typically 5%-8%). Therefore, it is possible to achieve the desired composition and properties even with a thin cladding layer, and to produce new structural features such as metastable phase, ultra-dispersed phase and amorphous phase.

* It is easy to automate the laser cladding, and the quality of cladding layer is always stable.