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  • Laser welding machine TST-W400

Laser welding machine TST-W400

Working area – 150×150 mm



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DescriptionLaser welding machine TST-W500 is an automated laser machine designed for laser welding in automatic and manual mode of products from various types of metals and alloys. This machine is used in production processes in various industries such as instrument making, shipbuilding, automotive and aviation industries and many others . The TST-W500 laser welding machine is equipped with a high power laser capable of welding rather thick metal materials and their alloys.

• Small heat affected zones
• High precision positioning
• High welding speed
• High quality solder joints
• Adjustable laser power
• Adjustable laser spot
• Small spot of laser beam
• Precision control
• Easy to automate and robotize the process
• Ability to weld various shapes of workpieces

Applicable materials:
• Steel for molds
S136, SKD-11, NAK80, 8407, 718, 738, H13, P20, W302, 2344, etc.
• regular carbon steel steel and alloys
In general, laser welding of carbon steel has good results, the quality depends on the composition of the impurity. As with other welding processes, substances such as sulfur and phosphorus are factors of increased sensitivity to weld cracking. For normal warm-up and to obtain a satisfactory welding quality, the carbon content should exceed 0.25%. To ensure a good connection when welding various carbon steels, the welding torch can be slightly offset in the direction of the low carbon material. Low carbon boiling steel with high sulfur and phosphorus content is not suitable for laser welding. Low carbon, calm steel with low levels of impurities gives good welding results. Medium and high carbon as well as ordinary steel are well amenable to laser welding, but heating occurs and additional processing is required to relieve stress and prevent cracks;
• stainless steel
Under normal circumstances, laser welding of stainless steel connections are even easier to obtain than with conventional welding. Due to the high welding speed, the hot zone is very small and increased sensitivity to heat does not become a problem. Compared to carbon steel, it is easier to obtain a narrow, deep-penetrating weld on stainless steel with its low thermal conductivity;
• Laser welding of various metals
having different melting points, to create favorable conditions for the compatibility of materials. The following combinations of metals produce a smooth, deep penetration laser weld: Stainless Steel – Mild Steel, 416 Stainless Steel 310 Stainless Steel, 347 Stainless Steel ~ HASTALLY Nickel Alloy, Nickel Electrode – Cold Forged Steel, Different Nickel Contents of Two Metal Bonds, Titanium, Nickel, Tin , copper, aluminum, chromium, niobium, gold, silver, other metals and their alloys, steel, cobalt-nickel and other alloys of the same material among themselves, it is relatively difficult to weld non-ferrous metals, copper and silver alloy, it is difficult to use copper-nickel joints , nickel – titanium, copper – titanium, titanium – molybdenum, brass – copper, mild steel – copper, as well as welding between other dissimilar metals.Equipment• Laser machine – 1 pc.
• Control system – 1 pc.
• Cooling system (Chiller) – 1 pc.
• Extractor hood – 1 pc.
• Software CD – 1 pc.
• User’s manual and software – 1 pc.
• A set of accessories – 1 pc.

Laser sourceNd+3:YAG
Power500 W
Working area150×150 mm
Laser wavelength1064 nm
Travel accuracy0.05 mm
Maximum speed40 mm/sec
Weld depth1.0 mm
Laser pulse width0.1~20m sec
Repeat frequency1~200Hz
Laser spot diameter0.2-2.0mm
Maximum pulse power500 J
Electro-optic conversion rate?4%
Continuous operation time>24 hours
Max load weight20kg
Maximum cooling power14800W
Maximum water flow?20 l/min
Tempe Environment5~40 °C
Refrigerating temperature range20-25 °C
Refrigerating temperature stability±2 °C
Max power input18 kW


Power supply~ 380 V / 50 Hz
Laser generator size1450mm x 800mm x 1320mm
Cooling system size540mm x 580mm x 850mm
Drive systemStepper motor




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