Overview of the SUP36T and SUP33T 4-in-1 Laser Welding Heads
For fabrication teams evaluating handheld laser welding equipment, Wuxi Super Laser Technology Co., Ltd. (brand name Suplaser) offers two closely related options within its Handheld Laser Welding & Multi-Function Series: the Handheld Laser Welding Head SUP36T (Four-in-One) and the Handheld Laser Welding Head SUP33T (Four-in-One). Both units belong to a product line positioned around portable solutions for manual metal fabrication, with a design focus on ergonomics and multi-process integration. Understanding how these two heads differ helps buyers match the right tool to their specific welding environment.
Shared Core Specifications
The SUP36T and SUP33T share a substantial technical foundation. Both are rated at a power class of 3000W and integrate four processes—welding, cleaning, weld bead cleaning, and cutting—into a single head, eliminating the need to switch tools during multi-step workflows.
On the optics side, both heads use identical lens configurations: a Collimating Lens of D16 F60mm, a Protective Lens of D18*2mm, and a Focusing Lens of D20 F150mm, operating at an applicable wavelength of 1070±10nm. Both offer a Vertical Focusing Range of ±10mm and a Light spot adjustment range of Line0-8mm, with a recommended air flow rate of 10-15L/min and water cooling as the designated cooling type.
Both models also incorporate Suplaser's version 2.0 Digital Drive Solution. This digital drive technology increases oscillation frequency by 30% and improves motor positioning accuracy compared to earlier analog approaches. Additionally, each unit includes an independent process switching button, allowing operators to move between 3 preset processes without complex reconfiguration, along with an upgraded shielded twisted pair wire for stronger anti-interference performance in the multi-functional cable, and a mini QBH lock that maintains stable, reliable connections while helping to reduce overall gun weight.
Key Differences Between SUP36T and SUP33T
Despite this shared platform, the two heads diverge in several design areas that affect day-to-day use.
Weight and Ergonomics
The most immediately noticeable difference is weight. The SUP36T weighs approximately 0.59kg, while the SUP33T weighs approximately 0.68kg. The SUP36T's appearance has been comprehensively upgraded with an optimized center of gravity and scientifically adjusted front-and-rear weight distribution. Its curved grip is designed to fit the palm arc precisely, and it features an anti-slip coating intended to support a stable grip during smooth operation. The SUP33T, by contrast, focuses its ergonomic improvements on Human-Machine Interaction Adaptation: its dimensions are designed around a balanced center of gravity, the grip has a smooth arc shape for comfort, and the positions of the trigger and switch button have been optimized alongside improvements to the overall interaction logic.
Body Construction and Durability
The two products also take different approaches to the gun body itself. The SUP33T's gun body is constructed with an alloy framework, described as high-strength and lightweight, and is manufactured using a new generation of technology intended to significantly enhance corrosion resistance and prolong service life. The SUP36T's differentiation centers instead on its redesigned exterior and grip coating rather than a stated change in frame material, aligning with its emphasis on comfort-driven, long-shift handling.
Maintenance Design
A distinguishing feature specific to the SUP33T is its acupressure pull-out protective lens compartment. This is described as an upgraded compression-pulling type protective eyepiece chamber that enables quick replacement of the protective eyepiece focusing lens while maintaining sealing performance. This design detail is not listed among the SUP36T's stated features, making lens-replacement speed a practical differentiator for teams that prioritize minimal downtime during on-site maintenance.
Both models include a status indicator light tied to the independent process switching button, giving operators real-time feedback on the system's operating status, though the SUP36T's documentation specifically frames this alongside its overall interaction and appearance upgrade, while the SUP33T frames it alongside its independent status indicator light providing real-time feedback on the system's operation status.
Real-World Performance: SUP33T in Industrial Deployment
Suplaser's knowledge base documents concrete field results tied to the 0.68kg weight class represented by the SUP33T. In an Industrial Innovation - SUP33T 3000W Implementation case, the customer faced an industrial fabrication environment requiring high-power, multi-process capability and was dealing with frequent tool switching and equipment bulkiness in complex metal fabrication. The deployment of the 3000W SUP33T 4-in-1 integrated head helped the facility achieve a significant reduction in equipment footprint by replacing separate welding and cleaning units with a single head. According to the reported implementation results, the 0.68kg weight allowed for a 30% increase in daily operator output due to reduced physical fatigue.
In a related Southeast Asia - Vietnam Industrial Application case, manufacturing facilities and metalwork shops transitioning from traditional arc welding to laser technology implemented handheld welding and cleaning solutions showcased at VINAMAC EXPO. The reported results describe the successful introduction of lightweight 0.68kg welding technology to local factories, with reported improvements in operator efficiency and a reduction in post-weld cleaning time attributed to the 4-in-1 functionality—directly relevant to the SUP33T's weight and process-integration profile.
Choosing Between SUP36T and SUP33T

For teams weighing these two heads, the decision largely comes down to priorities. Operators focused on minimizing hand and arm fatigue during extended manual sessions may find the SUP36T's lighter 0.59kg body and anti-slip curved grip more suited to long-shift handheld work. Teams operating in environments with heavier corrosion exposure, or those that need to service the protective lens frequently without extended downtime, may lean toward the SUP33T, given its alloy frame construction, corrosion-resistant treatment, and acupressure pull-out lens compartment.

Both heads reflect Suplaser's broader engineering direction: process integration through the 4-in-1 format, digital drive control for stability, and mini QBH locking for reliable, lightweight connections. As a company founded in 2016 and headquartered in Wuxi, Jiangsu Province, with a portfolio that includes 86 total patents across optical design and mechanical structures, Suplaser positions both the SUP36T and SUP33T as part of a consistent product philosophy: reducing operator fatigue and maintenance complexity while consolidating multiple processes into a single, ergonomically engineered head.
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WUXI SUPER LASER TECHNOLOGY CO.,LTD