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SZGH HZ1500-10K Welding Robot: Higher Precision & Speed

SZGH Introduces the New HZ1500-10K Welding Robot with Higher Precision and Faster Motion

SZGH has introduced the new SZGH-HZ1500-10K welding robot, a new-generation industrial robot developed to provide higher repeatability, faster motion and greater payload capacity for automated welding applications.

The new model builds on the experience of the previous SZGH-H1500-B-6 welding robot, while focusing on several practical improvements for modern welding production. Compared with the previous generation, the HZ1500-10K increases payload from 6 kg to 10 kg, improves repeatability from ±0.05 mm to ±0.03 mm, and increases the stated maximum speed from 3,000 to 5,000.

The new robot also features a lightweight structure and optimized mechanical design, giving manufacturers more flexibility when planning and integrating robotic welding cells.

ALT: SZGH-HZ1500-10K high precision industrial welding robot

From H1500-B-6 to HZ1500-10K: A Practical Step Forward

The SZGH-H1500-B-6 has been used as part of SZGH's welding robot portfolio for automated welding applications. The new HZ1500-10K takes the same 1500 mm working range and moves the platform toward higher payload, improved repeatability and faster robot movement.

The change is not simply a matter of increasing individual specifications. For manufacturers, these improvements can affect how a robot is selected, integrated and operated within a welding production cell.

The main upgrades include:

Payload: increased from 6 kg to 10 kg
Repeatability: improved from ±0.05 mm to ±0.03 mm
Maximum speed: increased from 3,000 to 5,000
Robot structure: redesigned with a lightweight structure
Working radius: 1500 mm

The new model therefore provides more capacity while maintaining the same 1500 mm working radius.

For manufacturers comparing robotic welding systems, SZGH's guide on how to choose the right welding robot for your factory provides additional information on payload, working range, accuracy and welding requirements.

Higher Payload: From 6 kg to 10 kg

One of the most noticeable changes between the two generations is payload capacity.

The previous SZGH-H1500-B-6 was designed with a 6 kg payload, while the new SZGH-HZ1500-10K increases the maximum load to 10 kg.

This represents an increase of approximately 66.7% in payload capacity.

For robotic welding, payload is not limited to the robot arm itself. The total load can include the welding torch, torch mounting components, cables and other equipment installed on the robot's wrist.

A higher payload gives system designers more room when selecting welding equipment and configuring the robot for different applications.

The HZ1500-10K combines its 10 kg payload with a 1500 mm working radius, providing a useful balance between working range and load capacity. The product documentation also describes the robot as having a lightweight structure and optimized mechanical design.

Repeatability Improved to ±0.03 mm

Precision is another major area of improvement.

The previous H1500-B-6 provides ±0.05 mm repeatability, while the new HZ1500-10K reaches ±0.03 mm.

The difference may look small numerically, but repeatability is important when a robot needs to return to the same programmed position over many production cycles.

For repetitive welding operations, consistent robot positioning can provide a more stable foundation for torch positioning and welding path execution. The HZ1500-10K is designed around high-speed and high-trajectory positioning accuracy, supporting welding in different orientations, including flat, vertical, horizontal and overhead positions.

It is important to note that robot repeatability is only one factor affecting final weld quality. Fixtures, workpiece tolerances, welding parameters, torch condition and the overall welding process also influence the result.

The value of the ±0.03 mm specification is that it gives the robotic system a more precise and repeatable motion platform.

ALT: SZGH-H1500-B-6 and HZ1500-10K welding robot comparison

Faster Motion for More Efficient Production

The new HZ1500-10K also increases the stated maximum speed from 3,000 to 5,000, an increase of approximately 66.7%.

Higher robot speed can be useful when a welding cycle includes frequent movements between welding points, fixtures or different sections of a workpiece.

Not every welding movement needs to be performed at maximum speed. However, having greater motion capability gives engineers more flexibility when optimizing robot paths and overall cycle time.

For manufacturers running repetitive production, even small reductions in unnecessary positioning time can become meaningful over hundreds or thousands of cycles.

The combination of faster motion and higher repeatability is therefore one of the key reasons the HZ1500-10K represents an upgrade over the previous generation.

Lightweight Design for Flexible Welding Cell Integration

In addition to the performance improvements, SZGH has placed emphasis on the mechanical structure of the new robot.

The HZ1500-10K uses a lightweight structure and optimized mechanical design, according to the product documentation.

A lighter robot structure can be useful when designing an automated welding cell, particularly when the robot needs to be combined with welding equipment, fixtures, positioners and other peripheral systems.

Rather than treating the robot as an isolated machine, manufacturers normally need to consider the complete cell layout. Robot weight, working radius, payload and installation requirements all influence how the equipment can be arranged on the factory floor.

This makes the lightweight design of the HZ1500-10K relevant not only from a mechanical perspective, but also from a system integration perspective.

Designed for Multiple Welding Processes

The HZ1500-10K is designed for a wide range of industrial welding applications.

According to the product documentation, the robot can be used for gas-shielded welding, TIG welding and laser welding, as well as MAG/MIG pulse welding and other specialized welding applications. It is also suitable for multi-layer and multi-pass welding of medium and thick plates.

The robot supports applications involving:

Carbon steel
Stainless steel
Aluminum
Medium and thick plates
Multi-layer welding
Multi-pass welding
Arc welding
Spot welding
Laser welding

This range of applications makes the HZ1500-10K suitable for manufacturers with different welding requirements rather than a single standardized production process.

For more examples, manufacturers can explore the SZGH robot application cases to see how robotic automation can be applied to different industrial production tasks.

ALT: SZGH-HZ1500-10K robotic welding application for metal fabrication

SZGH-H1500-B-6 vs. SZGH-HZ1500-10K

The main differences between the two generations can be summarized below:

Specification	SZGH-H1500-B-6	SZGH-HZ1500-10K
Payload	6 kg	10 kg
Working Radius	1500 mm	1500 mm
Repeatability	±0.05 mm	±0.03 mm
Stated Maximum Speed	3,000	5,000
Robot Structure	Previous generation	Lightweight structure
Primary Application	Welding	Welding

The most significant changes are clear: the new model offers more payload capacity, tighter repeatability and greater motion capability, while retaining the 1500 mm working radius.

For a manufacturer evaluating a new robotic welding system, these changes can provide more flexibility when selecting the robot and designing the surrounding automation equipment.

What the HZ1500-10K Means for Welding Automation

The development of the HZ1500-10K reflects a practical direction in industrial welding automation: improving the robot itself while making it easier to adapt to different production requirements.

Higher payload provides additional capacity for welding equipment and tooling. Improved repeatability supports more consistent robot positioning. Faster motion gives engineers more flexibility when optimizing robot trajectories. The lightweight structure can also support more flexible cell design.

These improvements are particularly relevant to production environments where robots need to perform repeated welding operations throughout the working day.

At the same time, the HZ1500-10K is not limited to one welding process. Its support for gas-shielded welding, TIG, laser welding, MAG/MIG pulse welding and multi-pass applications gives manufacturers more options when configuring a robotic welding system.

Manufacturers interested in understanding the broader role of robotic welding can also read Why Manufacturers Are Replacing Manual Welding with Robots in 2026.

A New Option for High-Precision Robotic Welding

The SZGH-HZ1500-10K represents the next step in SZGH's welding robot development.

Compared with the previous H1500-B-6, the new model increases payload from 6 kg to 10 kg, improves repeatability from ±0.05 mm to ±0.03 mm, and raises the stated maximum speed from 3,000 to 5,000. Its lightweight structure and 1500 mm working radius further support flexible robotic welding cell design.

The robot is designed for applications ranging from standard arc welding to TIG and laser welding, as well as multi-layer and multi-pass welding of medium and thick plates.

For manufacturers looking to automate repetitive welding operations or upgrade an existing welding cell, the HZ1500-10K provides a new combination of payload, repeatability, speed and application flexibility.

Looking for a Robotic Welding Solution?

Every welding application has different requirements. Workpiece dimensions, material, welding process, fixture design, payload and cycle time all need to be considered when selecting a robot.

Contact SZGH to discuss your welding application and find a suitable robot configuration for your production requirements.

Explore SZGH Welding Robots →

View SZGH Robot Application Cases →

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