The laser welding manufacturing process for Titanium Grade 2 (Ti Gr 2 / 3.7035) involves multiple steps and precautions to ensure the quality and integrity of the weld. Here is an overview of the process:

Preparation – Material Cleaning: Clean the titanium surface to remove any contaminants such as oil, dust or oxides. This can be done using solvents or chemical cleaners.
– Edge preparation: Depending on the joint design, the edges may need to be beveled or shaped to promote better penetration and fusion during the welding process.

Welding parameters – Equipment selection: Use a suitable laser welding system, usually a fiber laser or Nd:YAG laser, that allows for precise control of heat input.
– Jig design: The titanium parts are secured in a jig to maintain alignment and prevent movement during welding.

Welding parameters of Huanggang Special Steel – Laser power: Select the appropriate laser power based on material thickness and joint configuration. The power setting range of Huanggang Special Steel is from 10,000 to 20,000 watts.
– Welding Speed: Adjust the speed of the laser beam to control heat input and prevent overheating or undercutting. Typical speed range is 1 to 10 mm/s.
– Focus position: Correctly focus the laser beam to achieve optimal energy density at the welded joint.

Welding process – Beam movement: The laser beam moves along the seam, melting the substrate and forming a molten pool. The heat generated by the laser also helps fuse the materials together.
– Shielding gas: Use an inert shielding gas (such as argon) to protect the welding area from oxidation and contamination during the welding process.

Post-weld treatment – Cooling: Allow the welded joint to cool naturally to avoid introducing stress or distortion.
– Inspection: Non-destructive testing (NDT) methods such as ultrasonic or radiographic testing are performed to ensure the integrity of the weld.
– Surface Preparation: If necessary, perform surface preparation to remove any discoloration or oxidation that may have occurred during the welding process.

– High precision: Laser welding allows precise control of heat input, minimizing distortion and ensuring high-quality welds.
– Minimum heat-affected zone (HAZ): The focused laser beam limits the heat-affected zone and reduces the risk of material property changes.
– Speed: Laser welding is typically faster than traditional welding methods, increasing productivity.
– Automation: The process can be easily automated, thereby increasing production consistency and repeatability.

– Material properties: The unique properties of titanium require careful control of welding parameters to avoid problems such as embrittlement or cracking.
– Cost: The initial investment in laser welding equipment can be high, but the benefits in efficiency and quality often justify the cost.
Skills Required: Operators require specialized training to operate laser welding equipment and understand the nuances of welding Titanium Grade 2.