Unit cost in welded manufacturing has six main components: material, labor, consumables, energy, quality control and waste. With the right design and process choices, these can typically be reduced by 15–30%. This article shares cost optimization tips from engineering, production and quality angles.
1. Cost in Design
- Minimize weld volume (DfM): right-sized fillet welds rather than oversized
- Standardize sheet thicknesses
- Use laser cutting plus welded alternatives instead of bolted joints
- Consider modular design instead of single folded sheet
2. Process Selection
| Process | Productivity | Typical Use |
|---|---|---|
| SMAW (111) | Low | Site, repair |
| MAG (135) | Medium-high | General fabrication |
| FCAW (136) | High | Heavy section |
| SAW (121) | Very high | Plate, pipe |
| Robotic | Highest | Serial production |
3. Cost of Quality
In most companies, the real cost of quality is far higher than top management sees. Inadequate design, defective production and customer rejects directly impact profit. ArmaWeld monitors first-pass yield (FPY) and uses tools such as root cause analysis and PFMEA to drive improvements.
Tip: Visible cost of quality (NDT, scrap, rework) is the tip of the iceberg. The hidden part is delay penalties, customer loss and brand damage.
4. Automation and Data
Robotic welding, laser cutting and digital traceability increase productivity and reduce defect rates. At ArmaWeld’s Konya facility, every weld’s current/voltage curve, welder ID and consumable batch are recorded digitally. This data feeds cost, quality and export certification needs.
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