SZGH-1415-A Master Series Collaborative Arc Welding Robot

What Is the SZGH-1415-A?

The SZGH-1415-A is a 6-axis collaborative arc welding robot from SZGH's Master Series, engineered for heavy-duty MIG, MAG, and TIG welding applications requiring high payload capacity alongside human-robot coexistence. With a 15 kg payload, 1,464.3 mm armspan, and ±0.03 mm repeat positioning accuracy, it handles thick-plate structural steel, pressure vessel fabrication, and complex weldment assemblies without a safety fence — making it the go-to collaborative welding solution for SMEs, mixed-production lines, and manufacturers transitioning from manual welding to automation.

Full Specifications

5 Core Advantages

Full IP65 All-Body Protection — Built for Real Welding Environments

Unlike cobots that only seal their joints, the SZGH-1415-A carries IP65 certification across the entire robot body. Weld spatter, grinding dust, coolant mist, and humidity that would degrade sensors and drive components on standard cobots are simply repelled. This translates directly into longer service intervals and lower unplanned downtime in arc welding cells where airborne contamination is constant.

6-Button Drag-and-Drop Teaching — Programming in Minutes, Not Days

The SZGH-1415-A ships with a 6-button collaborative drag-teach interface. An operator physically guides the robot arm through the desired weld path while pressing the teach button; waypoints are recorded automatically. There is no G-code, no proprietary scripting language, and no robotics degree required. Most users complete a first weld program within 30 minutes of unboxing, enabling fast changeover in mixed-production environments where a new batch starts every shift.

Tool Speed 3,000 mm/s — Industrial Performance Inside a Collaborative Footprint

Conventional cobots sacrifice speed for safety, typically topping out at 1,500–2,000 mm/s. The SZGH-1415-A reaches 3,000 mm/s tool speed — a level associated with traditional industrial robots — while maintaining full collaborative safety certification. For arc welding, this means faster travel between tack points, shorter air-cutting time, and higher arc-on time per shift, directly improving throughput without compromising operator safety.

XI Black Box — Industry-First Fault Site Data Recorder

SZGH developed the XI Black Box, the first fault-site data recorder in collaborative robotics. Inspired by aviation flight recorders, the XI Black Box continuously logs joint torque, velocity, current, temperature, and program state. When a fault occurs, the exact operating snapshot is preserved and uploadable for remote diagnosis. This eliminates guesswork in troubleshooting, reduces average fault-resolution time, and is especially valuable for facilities without on-site robotics engineers.

100 Safety Self-Checks + 10-Level Collision Protection — No Safety Fence Required

The SZGH-1415-A performs 100 independent safety self-checks at startup and runs a 10-level adjustable collision detection algorithm during operation. Operators can work immediately adjacent to the robot — handing over workpieces, adjusting fixtures, or inspecting welds — without a physical safety enclosure. This eliminates the floor-space and capital cost of a traditional robot cell and enables truly collaborative human-robot workflows on the same welding station. Additional quality credentials include IATF 16949:2016 compliance, up to 15-axis synergy support, native 2D/3D vision integration, and a self-weight-to-load ratio below 4.

Application Scenarios

Series Comparison — All 6 SZGH Collaborative Welding Models

Selection Guide: Choose the Easy Series (0907-A, 1406-A) for thin-gauge materials and introductory cobot deployments. Choose the Master Series (1415-A, 1820-A) when welding thick plate ≥6 mm, structural sections, or pressure-rated components requiring higher payload and rigidity. Choose the Light Series (1415-L, 1820-L) when the same arm will switch between arc and laser processes, or when laser cutting is the primary task.

Customer Case Study

By Fannie Chen, CEO, Shenzhen Guanhong Automation Co., Ltd. (SZGH) | May 2026

Late in 2025 we visited a mid-sized structural steel fabricator in Kraków, Poland — about 80 employees, winning contracts for industrial warehouse frames but losing margin every quarter because manual welders couldn't keep pace with the beam-bracket volume. Their welders were experienced, but scheduling around their expertise created bottlenecks. Weld distortion on 10 mm and 12 mm plate was running scrap rates above 6%.

We installed two SZGH-1415-A units on a shared worktable with a simple positioner. The operator learned the drag-teach workflow on day one and was running independent programs by day two. Within six weeks, throughput on bracket sub-assemblies increased 47%, and weld scrap dropped to under 1.4% — largely because the ±0.03 mm repeat accuracy eliminated the travel-speed variation that was causing undercut defects on the fillet welds.

The plant manager told me what sealed the decision was IP65 full-body protection — their facility runs angle grinders alongside the welding stations, and the grinding dust had previously killed the servo encoders on two competitor cobots within months. The SZGH-1415-A has been running continuously for over seven months without a single encoder fault.

For a company of their size, the return on investment cleared fourteen months.

Control System & Integration

The SZGH-1415-A runs on an EtherCAT bus at 1 kHz cycle time, ensuring deterministic motion control and sub-millisecond synchronization with external axes. The controller is open to integration with leading welding power sources, including MIG/MAG brands such as Fronius, Lincoln Electric, Miller, OTC Daihen, and Panasonic, as well as TIG pulse units. RS485 and EtherCAT tool-port communications allow direct I/O handshaking with wire feeders, gas solenoids, and arc-start/arc-stop signals.

The robot supports native 2D line-laser seam tracking and 3D vision-guided path correction, enabling autonomous joint-finding on fixtured or lightly jigged parts. Offline programming is supported via standard robot simulation platforms (compatible output in SZGH format), allowing weld programs to be developed and validated in CAD before running on the physical robot — critical for job shops with short production runs and frequent changeover.

Up to 15 axes of synchronized motion are supported, enabling the SZGH-1415-A to coordinate with turntables, headstock-tailstock positioners, and linear track systems under a single controller. This multi-axis synergy capability is essential for circumferential welding, saddle joints, and complex 3D weld geometries that would otherwise require manual repositioning.

Certifications & Warranty

The SZGH-1415-A carries four international certifications: CR (China Robot Certification), CE (European Conformity), SEMI S2 (semiconductor and electronics environment safety), and NRTL (Nationally Recognized Testing Laboratory, North America). SZGH as a manufacturer holds ISO 9001 quality management certification and is a recognized National High-Tech Enterprise in China.

All SZGH collaborative robots are manufactured under IATF 16949:2016 automotive quality standards — the same process controls demanded by Tier 1 automotive suppliers — which directly benefits repeatability, component consistency, and long-term reliability for all end users.

Standard warranty: 18 months from delivery date, covering manufacturing defects and component failures under normal operating conditions. SZGH operates a global service and spare-parts network; regional service partners provide on-site support in North America, Europe, Southeast Asia, and the Middle East. Remote diagnostics via the XI Black Box data export reduce the need for in-person service visits.

Frequently Asked Questions

Q1: Does the SZGH-1415-A require a safety fence?

No. The SZGH-1415-A is certified as a collaborative robot and relies on 100 startup safety self-checks combined with 10-level adjustable collision detection to protect nearby operators. It can operate in open shared workspaces, though a site-specific risk assessment (per ISO/TS 15066) should always be conducted before final deployment to confirm operating speeds and workspace boundaries for your specific application.

Q2: Is 15 kg payload sufficient for welding thick plate?

Yes, for most thick-plate arc welding work. The 15 kg payload covers standard welding torches, wire feeders, and seam-tracking sensors with significant margin. The Master Series designation specifically targets material thicknesses from 6 mm upward, including structural sections (RHS, I-beam flanges), pressure vessel plates, and agricultural/mining equipment components. If your torch assembly with integrated cooling and sensor package exceeds 12 kg, contact SZGH to review the total end-of-arm tooling load.

Q3: How difficult is programming the SZGH-1415-A for a new operator?

Programming is designed for skilled tradespeople, not robotics engineers. The 6-button drag-teach interface lets an operator physically guide the arm through the weld path; no code is written. Most users complete their first weld program in under 30 minutes. For complex multi-pass welds or large batch programs, offline programming support is available via simulation software.

Q4: What welding processes does the SZGH-1415-A support?

The SZGH-1415-A supports MIG (GMAW), MAG, TIG (GTAW), flux-cored arc welding (FCAW), and plasma arc welding via the EtherCAT/RS485 tool-port communication interface. The welding power source is not bundled in the base -A model; the SZGH-1415-AW variant includes a matched welding source. Third-party power sources from Fronius, Lincoln Electric, Miller, OTC Daihen, Panasonic, and others are compatible.

Q5: How does the SZGH-1415-A differ from the SZGH-H series traditional welding robots?

The H series (e.g., SZGH-H1500-B-6, SZGH-H2100-B-6) are traditional industrial welding robots designed for fully isolated, high-throughput automated cells with safety fencing. They are optimized for maximum cycle speed in single-process dedicated lines. The SZGH-1415-A is a collaborative robot designed for human-robot coexistence — no fence, fast changeover, drag-teach programming, and mixed-production flexibility. Choose the H series for high-volume dedicated lines; choose the 1415-A for SME environments, flexible manufacturing, or cells where operators work alongside the robot.

Q6: What is included in the SZGH-1415-AW package?

The AW variant bundles the SZGH-1415-A robot arm and controller with a matched welding power source pre-integrated and tested at the factory. Torch, wire feeder, gas regulator, and cabling are included. The AW package simplifies procurement (one vendor, one warranty) and eliminates integration engineering for customers who do not have an existing welding source to pair. Specific welding source model is confirmed at order based on process (MIG/MAG/TIG) and amperage requirements.

Q7: Is the IP65 rating for the full robot body or only the joints?

IP65 is certified for the complete robot body — every joint housing, the forearm, upper arm, and base. This is a key differentiator: many competing cobots protect only the wrist joint or achieve IP ratings only on specific assemblies, leaving internal cables and servo drives exposed to spatter and dust through unsealed body panels. The SZGH-1415-A's IP65 certification was validated on the complete assembled robot.

Q8: What is the typical ROI or payback period for the SZGH-1415-A?

Payback period depends on labor cost, shift structure, and current weld quality. For a single-shift operation replacing one manual welder on repetitive weld patterns, customers typically report payback in 14–18 months. For two- or three-shift deployments, payback frequently occurs within 8–12 months. The combination of reduced rework (±0.03 mm accuracy), faster travel speed (3,000 mm/s), and elimination of safety-fence capital cost all contribute to the favorable economics compared to traditional industrial robot cells.

Request a Quote or Technical Consultation

Ready to evaluate the SZGH-1415-A for your welding application? Our application engineers can review your workpiece drawings, weld specifications, and production volume to recommend the correct configuration — base robot, AW bundle, positioner pairing, and vision integration.

Related Products

Explore the full SZGH collaborative and industrial welding robot range:

• SZGH-0907-A — Easy Series, 7kg Payload, 1077mm Reach: Entry-level collaborative arc welding cobot for thin-sheet and light fabrication.

• SZGH-1406-A — Easy Series, 6kg Payload, 1460mm Long Reach: Long-reach cobot welder for thin-gauge parts across a wide workspace.

• SZGH-1820-A — Master Series Flagship, 20kg Payload, 2027mm Reach: The highest-payload arc welding cobot in the collaborative series; ideal for pressure vessels and shipbuilding.

• SZGH-H1500-B-6 — Traditional Industrial Arc Welding Robot: High-throughput dedicated arc welding robot for fully automated cells with safety fencing.