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SORPAS® 2D.welding is our flagship software product dedicated for simulation and digital optimizations of spot welding.
You can speed up product development and production planning, improve weld quality and production stability, reveal root causes and solve welding problems through simulations and optimizations.
Widely used in the automotive industry by nearly all OEMs.
Since 1999, SORPAS® has been constantly developed to meet the needs of industry. The integration of welding expertise with numerical techniques has made SORPAS® a powerful yet practical tool for engineers directly working near production lines.
Predict weld quality before production
Evaluate every weld using multi-criteria quality scoring and identify dominant quality risks before production.
Assess weld quality beyond pass/fail results
SORPAS® 2D.welding combines multiple quality indicators into a comprehensive weld score, helping engineers understand not only whether a weld passes but also how robust the weld is and which factors limit its performance.
- Overall weld quality score
- Six weld quality indicators evaluated simultaneously
- Weld quality radar chart for a visual overview of six qualities
Measure critical weld characteristics directly from simulation
Gain detailed insight into weld formation through virtual measurements. Evaluate nugget diameter, penetration, indentation, and other critical dimensions without extensive physical testing, enabling faster decision-making and confidence in weld performance.
- Nugget diameter at interface or in each sheet
- Penetration measurement (%)
- Electrode indentation measurement
Detect expulsion risks before they occur
Based on dynamic splash factors calculated continuously throughout the entire welding process, the splash severity is categorized into 4 levels: Low, Medium, High and Excessive. The Excessive splash level marks the hard limits that should be avoided both in production and laboratory welding tests. It allows engineers to identify risky welding conditions and optimize process parameters before production trials.
- Splash seveirity
- Location of splash
Explore the safest process window with AI-enhanced 3D Weld Lobes
Finding the optimal welding condition is more than achieving a single acceptable weld. Engineers must understand the entire process window and identify quality boundaries. The latest SORPAS® optimization tools help users move from a welding target to a validated process window through four complementary analyses. Visualize parameter interactions with 3D Weld Lobes, assess acceptable operating ranges with Weldability Charts, identify expulsion risks with Splash Maps, and speed decision-making with AI-Enhanced Optimization Mode.
3D weld lobes
Understand Weldability
- Generate 3D weld lobes for a complete overview of welding process possibilities with the best achievable weld qualities
- Identify the process windows and defective limits efficiently
Splash map
Predict Splash Severity
- Predict the process window and working range in the green area
- Visualize splash severity on the weldability lobe in 4 zones: Low, Medium, High, and Excessive
Weldability chart
Automatic Evaluation of Weld Tasks
- Predict the weldability score to quickly assess the weld task feasibility
- Get the largest achievable process window determined through digital optimization
AI-enhanced mode
Predict Process Range Smarter
- Trained AI surrogate models guide simulations towards the most relevant process ranges
- Reduce unnecessary runs and computation time by 30% to 70%
AI-enhanced Weld Planning for robust production
Unexpected splashes are often a sign that the current welding condition lacks sufficient process robustness. SORPAS® Weld Planning helps engineers quickly evaluate weldability and identify optimized welding parameters for stable production. With the new AI-enhanced mode, larger and more robust process windows can be identified, helping reduce the impact of process variations and eliminate splash on the shop floor.
