2000W Robotic Laser Welding Workstation for 2.0mm Galvanized Steel Cold Plates

2026/9/23 - 2000W Robotic Laser Workstation for 2.0mm Galvanized Steel Cold Plates

On September 23, 2026, PDKJ carried out an on-site welding application for a liquid cooling industry customer using a 2000W Robotic Laser Workstation. The application focused on robotic laser welding of 2.0mm galvanized steel cold plates on the customer’s own production floor, where porosity-free seams, flatness of thin galvanized plate, and repeatable weld paths plate after plate are important for reliable production.

latest company case about 2026/9/23 - 2000W Robotic Laser Workstation for 2.0mm Galvanized Steel Cold Plates

The 2000W robotic laser welding workstation: six-axis robot on a linear travel axis serving long fixture tables for galvanized steel cold plates

Application Overview

Item	Details
Application	On-site robotic laser welding of galvanized steel cold plates
Material	Galvanized steel (zinc-coated carbon steel)
Material Thickness	2.0 mm
Laser Source	2000W fiber laser
Equipment	Robotic laser welding workstation: six-axis robot with laser welding head, fixture tables and quick clamps
Key Quality Points	Porosity control, low distortion, path repeatability
Industry	Liquid cooling component manufacturing

Customer Welding Requirements

Cold plates are the core of liquid cooling assemblies: coolant channels sealed inside a stamped or machined plate, with every weld expected to hold pressure for the life of the product. Welding them from galvanized steel adds a well-known difficulty — zinc vaporizes at a far lower temperature than steel melts, so the coating tries to escape through the weld pool, driving spatter, porosity and inconsistent seams if the process is not controlled.

This liquid cooling industry customer welds 2.0mm galvanized steel cold plates and needs the same seams on every plate: full fusion along the joint, no pinholes, and no heat distortion that would pull a flat plate out of tolerance. Weld quality and cycle time both need to be independent of who happens to be at the station — which points directly at automation.

PDKJ carried out the on-site application with a 2000W robotic laser welding workstation: a six-axis industrial robot mounted on a linear travel axis, serving long fixture tables where cold plates are located and clamped. The robot carries the laser welding head along taught paths, with the 2000W fiber laser supplying the power density needed for fast, deep, controllable welds on 2mm galvanized steel.

The customer needed a welding solution that could provide:

Full-fusion, porosity-free seams on 2.0mm galvanized steel
Low heat input so cold plates stay flat and dimensionally accurate
Zinc spatter and porosity brought under control
Identical weld paths and quality on every plate, shift after shift
Quick-clamp fixtures for fast loading and unloading
A 2000W laser source sized for production throughput
Process proven on the customer’s own cold plates before production

Porosity in a cold plate seam is not visible from outside, but it surfaces immediately at pressure testing: leaking plates mean scrap, rework or field failures after assembly. Excessive heat brings a second cost — warped plates that no longer seal flat against their mating surfaces. On galvanized steel both risks intensify, because zinc vapor disturbs exactly the weld pool that must stay clean.

2000W Robotic Laser Welding Solution for Galvanized Steel Cold Plates

The robotic laser welding workstation combines a six-axis robot with a 2000W fiber laser and a welding head that concentrates the beam into a small, stable keyhole. On 2.0mm galvanized steel the weld travels quickly with a narrow heat-affected zone, so the seam fuses fully while the surrounding plate — and much of its zinc coating — stays cool.

The fixture tables with quick clamps locate each cold plate in a defined position. Repeatability in laser welding comes from the chain of part location, clamp force and robot path; with all three fixed, every plate follows the same trajectory at the same speed and power, which is what makes plate-to-plate consistency a property of the system rather than of the operator.

During the on-site application, robot paths were taught and refined against the customer’s own cold plates, and laser power, speed and wobble settings were adjusted until seams came out continuous and porosity-free. The station ran plate after plate under the customer’s observation to confirm that the parameters held.

latest company case about 2026/9/23 - 2000W Robotic Laser Workstation for 2.0mm Galvanized Steel Cold Plates

An engineer checks the fixture setup as the robotic welding head works over a galvanized cold plate during the on-site application

How the Machine Solves Customer Pain Points

1. Zinc Spatter and Porosity Brought Under Control

A laser weld pool is small and fast-moving, so zinc vapor vents ahead of the beam instead of churning through the pool. With matched power, speed and wobble settings, the seam on galvanized steel comes out dense and bright rather than porous and spattered.

2. Low Heat Input Keeps Cold Plates Flat

Energy goes into the joint line and little else. The narrow heat-affected zone means 2.0mm galvanized plate does not buckle or pull out of flat, so cold plates keep the sealing surfaces their assemblies require.

3. Robotic Paths Give Plate-to-Plate Repeatability

The robot repeats each taught path to the same speed and position tolerance on every plate. Weld quality stops depending on operator technique and becomes a fixed property of the program — essential for pressure-tight cold plate seams.

4. Quick-Clamp Fixtures Shorten the Cycle

Plates are located on the fixture tables and held by quick clamps, so loading and unloading takes seconds and the robot works on defined geometry rather than hand-placed parts.

5. 2000W Power Sized for Production

The 2000W fiber laser provides the power density for fast travel on 2mm steel, letting the workstation finish seams quickly enough to serve production rather than demonstration purposes.

6. Linear Travel Serves Long Plates

The robot rides a linear axis over the fixture tables, so long cold plate joints are welded in continuous passes without re-clamping the part mid-seam.

7. Parameters Proven on the Customer’s Plates

All settings were established on the customer’s own galvanized cold plates during the on-site application, so the demonstrated quality carries directly into production.

Welding Process

The welding process can generally be organized as:

Cold Plate Loading on the Fixture Table → Quick Clamps Lock the Plate → Robot Path and Laser Program Recalled → 2000W Laser Welding Along the Seam → On-Table Seam Inspection → Unload → Pressure Test Sampling

Before production, welding parameters can be adjusted according to the material, workpiece structure, joint geometry, and required joint performance.

latest company case about 2026/9/23 - 2000W Robotic Laser Workstation for 2.0mm Galvanized Steel Cold Plates

Close-up of a laser weld seam on a 2.0mm galvanized steel cold plate held by the quick-clamp fixture

Why Choose a 2000W Robotic Laser Workstation?

Cold plate welding stacks three demands: pressure-tight seams, flat plates after welding, and output that does not vary between operators or shifts. Manual arc processes on thin galvanized steel struggle with all three at once, because heat and technique dominate the result.

The 2000W robotic laser welding workstation resolves the conflict: the laser keeps heat input low and controlled, the robot makes every path identical, and the fixtures make every part identical. PDKJ builds this class of equipment as the robot integrated fiber laser welding workstation, configurable to customer part sizes and cycle targets.

The same concept extends to liquid cooling assemblies, battery cooling plates, heat exchangers, radiators and any thin galvanized or carbon steel structure where repeatable automated seams are the requirement.

Key Advantages

Full-fusion, porosity-free seams on 2.0mm galvanized steel
Narrow heat-affected zone and flat plates after welding
Zinc spatter controlled through matched laser parameters
Robotic path repeatability on every plate
Quick-clamp fixtures for fast changeover
2000W fiber laser for production-speed welding
Linear travel axis for long continuous seams
Programs stored and recalled per plate type
Station validated on the customer’s own cold plates
Consistent quality independent of operator variation

Potential Applications

The same welding concept can be considered for various applications, including:

Liquid cooling cold plates and manifold assemblies
Battery cooling plates for new energy applications
Heat exchangers and radiator structures
Galvanized steel enclosures and housings
Thin-gauge sheet metal assemblies needing long seams
Robot-welded brackets and frames
Pressure-tight seams on stamped sheet assemblies
Automated welding cells for repeated part families

Actual welding capability depends on the material, thickness, joint structure, electrode or fixture configuration, and production requirements.

From Customer-Site Testing to Production

The on-site application ran at the customer’s plant on production cold plates, from first path teaching through repeat runs, with the customer’s engineers observing every stage.

Seams were inspected visually for continuity and spatter, and plates were checked for flatness after welding; porosity was assessed on sample seams against the pressure-tightness requirement.

Because the laser parameters and robot paths were established on the customer’s material and geometry, the results seen on September 23 are the basis for the production programs.

Conclusion

The September 23 on-site application demonstrates the use of the 2000W Robotic Laser Workstation for welding 2.0mm galvanized steel cold plates with controlled zinc spatter, low distortion and repeatable robotic paths.

For liquid cooling and heat exchanger manufacturers, a robotic laser welding workstation turns a difficult galvanized steel process into a repeatable production step. PDKJ builds robotic and automated laser welding systems for these applications, and an on-site trial on your own plates is the fastest way to prove the process.

PDKJ continues to provide customized laser welding and resistance welding solutions based on different materials, workpiece structures, welding requirements, and production applications.