Laser Hardening Machine

Laser Hardening Machine is equipped with a laser system that can deliver up to 6000 watts of laser power. The machine is operated using a numerical control system that provides precise control over the laser hardening process. The equipment is designed to work with a wide range of metal parts, including gears, shafts, and bearings. The laser beam is focused through a lens to create a narrow, intense beam of light that is used to heat the surface of the workpiece. This creates a hardened layer on the surface of the part, which improves its wear resistance, fatigue resistance and durability.

1. Easy to operate, heating and cooling on the metal surface, with fast speed, small thermal effect, small deformation and other characteristics, suitable for surface heat treatment;

2. Laser hardening can replace the traditional hardening process and is suitable for the hardening of multiple workpieces;

3. The distribution of surface and depth temperature field can be controlled, and the hardening depth of different materials can be adjusted;

4. When the workpiece is partially quenched, the laser beam will not be heated directly to the surface of the workpiece, but act on the surface of the workpiece through the focal area. This method can ensure the workpiece surface and internal uniform hardening, prevent martensite, pearlite and other structures;

Laser Hardening Machine is widely used in the fields including:

1. automobile: hardening various components such as engine crankshafts, camshafts, gears, and drive shafts. These components require high surface hardness to withstand wear and tear, and laser hardening provides a precise and effective method.

2. electronic semiconductor: hardening semiconductor components such as wafers and chips. These components require precise and controlled hardening to improve their performance and durability.

3. material processing: hardening various materials such as metals, alloys, and ceramics. The laser beam is used to heat the surface of the material to a high temperature and then rapidly cooled to achieve surface hardening.

4. aerospace: hardening various components such as turbine blades, shafts, and gears.

5. rail transit: hardening various components such as axles, wheels, and rails.

6. household appliances: hardening various components such as blades, gears, and cutting tools.

Project: Laser Hardening of Gear Shaft for Automotive Application

Objective:
To improve the hardness and wear resistance of a gear shaft used in an automotive application by laser hardening the surface.

Background:
Gear shafts are critical components in automotive applications as they are responsible for transmitting power and torque between the engine and the wheels. However, these shafts are subjected to wear and fatigue due to the high loads and operating conditions in automotive applications. To address this issue, laser hardening can be used to create a hardened layer on the surface of the gear shaft, improving its wear resistance and extending its lifespan.

Solution:
The project involved laser hardening the gear shaft to create a hardened layer on its surface. The laser hardening process used a fiber laser to heat the surface of the gear shaft to a temperature above its critical transformation temperature. The heated surface was then rapidly cooled using a high-pressure coolant to create a hardened layer.

The laser hardening process was carried out in a controlled environment to ensure the quality and consistency of the hardened layer. The gear shaft was first cleaned and prepped to remove any contaminants from the surface. The laser was then programmed to create the desired hardened layer depth and pattern.

Results:
The laser hardening process successfully created a hardened layer on the surface of the gear shaft by Laser Hardening Machine, significantly improving its hardness and wear resistance. The gear shaft was tested in a simulated automotive application and showed a significant increase in its lifespan and performance.

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