Core Advantages
Efficient & Precise Spot Welding
Benefiting from the repeat positioning accuracy of ±0.05 mm, the robot precisely controls the pressing position, clamping force and power-on time of spot welding electrodes, ensuring uniform nugget size and tensile strength for every welding point. It effectively eliminates inconsistent welding quality caused by manual operating errors. For column-type spot welding robots, once the workpiece is clamped and positioned on tooling, multi-axis linkage enables welding at multi-angle positions, greatly cutting down auxiliary working hours spent on tooling replacement and adjustment.
Flexible Adaptation to Multiple Scenarios
Equipped with 6-degree-of-freedom flexible motion performance and compatible with spot welding guns of various specifications, the robot supports multiple joint types including butt joint, corner joint and lap joint. It can flexibly adjust motion trajectories for dense spot welding of small precision parts as well as multi-angle spot welding of medium-sized workpieces, without frequent equipment replacement or tooling modification.
Highly Consistent Welding Points & Stable Product Quality
Uniform clamping pressure and process parameters are applied to each welding point during robotic welding, delivering outstanding consistency in mass production and drastically reducing defective products. Stable nugget quality lowers rework, waste material and quality inspection workloads, bringing quantifiable quality and cost advantages to the production of body-in-white and sheet metal subassemblies.
Stable Equipment Utilization Rate & Easy Maintenance
The hollow wrist adopts an internal cable routing structure to avoid cable abrasion, guaranteeing stable equipment operation and predictable maintenance cycles.
On-site Physical Object Diagram
Main Technical Parameters
| Parameter Category | Specification |
|---|---|
| Axis | 6-axis |
| Maximum Load | 20 kg |
| Arm Span (Reach) | 1895 mm |
| Repeat Positioning Accuracy | ±0.05 mm |
| Maximum Speed | J1: 110°/s, J2: 146°/s, J3: 134°/s, J4: 273°/s, J5: 240°/s, J6: 375°/s |
| Motion Range | J1: ±155°, J2: -140°/+65°, J3: -75°/+110°, J4: ±180°, J5: ±115°, J6: ±360° |
| Equipment Weight | Approx. 230 kg |
| Protection Class | Wrist: IP54, Body: IP40 |
| Installation Environment | Operating Temp: 0~40°C, Optimal Temp: 15~25°C, Humidity: 20~80% RH (non-condensing) |
| Air Supply Pressure | 0.5~0.7 MPa |
| Power Supply | 220V ±10%, 50/60Hz |
| Allowable Torque | J4: 52 N·m, J5: 56 N·m, J6: 51.2 N·m |
| Allowable Inertia | J4: 0.664 kg·m², J5: 1.12 kg·m², J6: 0.397 kg·m² |
| Core Components | Body casting, Servo motors, Gear reducers, Electrical components – all BORUNTE brand |
| Lubrication Volume | J1: 1400 mL, J2: 1000 mL, J3: 800 mL, J4: 250 mL |
| Wear Parts | Timing belt MBT233080505, 5M-8, 85 teeth |
| Accessories | USB drive included |
Working Principle and Process
The core working process of the spot welding robot is as follows:
- Workpiece Positioning and Fixing Operators place the workpieces to be spot-welded on special tooling fixtures. The precise fixation of workpieces is realized via the positioning pins and pressing devices of the fixtures, ensuring that the welding positions are consistent with those set in the robot program.
- Parameter Setting and Program Calling Select the corresponding spot welding program for the workpiece through the teach pendant, and confirm parameters including welding current, power-on duration and electrode pressure. If parameter adjustment is required, modifications and saving can be directly completed on the equipped welding machine control touch screen without rewriting the entire program.
- Automatic Spot Welding Operation After the equipment is started, the robot drives the spot welding gun to move to the first welding position according to program instructions. The welding gun first presses down onto the workpiece surface and applies the preset pressure, then the welding current is switched on to perform energized welding for the set duration and form a nugget. Upon completion of welding, the welding gun releases pressure and lifts up. The robot then moves the welding gun to the next welding position and repeats the above operations until all spot welding tasks are finished.
- Operation Completion and Reset After all spot welding procedures are completed, the robot drives the welding gun back to the home position. After connecting the control cables, the tooling fixture automatically loosens. Operators remove the finished welded workpieces, and the equipment stands by for welding instructions of the next batch of workpieces.
3D Simulation Diagram
Close-up Diagrams of Each Component
Application Scenarios
| Category of Application Scenarios | Specific Application Objects | Applicable Materials |
| Automobile Manufacturing | Body panels (vehicle doors, car roofs, trunk lids), frame cross beams, seat frames, instrument panel brackets | Low-carbon steel, high-strength steel, galvanized steel sheets |
| Hardware Products | Metal furniture frames (table and chair supports, wardrobe frames), toolbox shell splicing, hardware fittings (hinges, connecting pieces) | Low-carbon steel, stainless steel, brass |
Spot Welding Robot Usage and Maintenance Guide
Environmental Requirements
Temperature: -5℃～45℃
Relative Humidity ≤ 85%
Avoid strong electromagnetic interference and corrosive gases; protective baffles can be added to prevent welding slag.
Initial Debugging Focus
Calibrate the deviation between the welding clamp center and the robot axis to ensure accurate welds.
Check the uniformity of the welding clamp clamping force and the normality of the circuit.
Adjust welding parameters and perform test welding to confirm weld quality.
Routine Maintenance
Daily: Check electrode wear, clean welding slag and oil, and check electrode connection wires.
Weekly: Check joint lubrication, cylinder air pressure, and air pipe leaks.
Monthly: Calibrate welding machine current and voltage, check cooling fan, clean dust, and calibrate fixture positioning accuracy.
Customer Case Videos
Company Profile
Chuanglida is a professional manufacturer of complete spot welding robots and a one-stop supplier of welding workstations. We supply individual robots as well as fully integrated turnkey solutions. We can provide product brochures, 3D CAD drawings and robot body inspection reports. With standard export packaging, we deliver our products worldwide.
FAQ
Q: How to confirm the final and accurate equipment parameters?
A: Please provide workpiece drawings, material and thickness of plates, daily production capacity and target welding cycle time. We will issue an official parameter confirmation sheet together with the quotation.
Q: Can we apply for sample testing or welding process verification?
A: Sample trial welding can be arranged if the process conditions are met to verify the welding quality of workpieces before placing an order.
Q: What is the minimum order quantity and standard delivery lead time?
A: The minimum order quantity and delivery lead time vary depending on the machine model and customized requirements. Flexible MOQ is available for the first trial order, and the exact delivery period for your project will be specified in the quotation. You may inform us of your project schedule, and we will provide a reasonable production scheduling and delivery plan.
Q: Can you provide on-site installation, commissioning and relevant technical training services?
A: Our company offers on-site installation, equipment commissioning and professional technical training services worldwide. Remote online technical guidance is also available. You can flexibly select the service mode according to the actual requirements of your project.
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