What is Laser Heat Treatment System?

The production line can perform laser quenching process on the 

surface of steel tubes. Automatically load steel tubes to the workstation.

With visual positioning and automatic clamping functions.

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When finished, the ejector cylinder automatically recovers the workpiece.

The motion mechanism automatically finds the point and performsthe laser processing.

Automatic loading and unloading rotary station.

Locate the position to be machined with a high-speed camera.

Robot

6-axis robot

Laser device

Diode laser source Laser

3kW

Laser power

5X5-32X32mm (customizable)

Adjustable Spot Range

Dual colour infrared thermometer

System configuration

Closed-loop temperature control system

Experimental material：QT700

Experimental material：Threaded 40Cr

The surface of the workpiece after quenching is flat and smooth, the internal organisation is well-proportioned, and the effective depth of the hardened area is 0.65㎜.

The depth of hardened layer is 0.3-0.5㎜, and the hardness meets the requirement.The local quenching thread area without any deformation, to ensure the accuracy of the workpiece.

Experimental results: Laser quenching maximises the mechanical properties of the workpiece and allows rapid heat treatment of the workpiece surface.

The deformation of the workpiece before and after laser quenching is almost negligible, which is especially suitable for the surface treatment of parts with high precision requirements. It can be applied in the automotive industry, mould industry, petroleum industry, workpiece surface strengthening, etc.

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