| Phase | Item | Description | Deliverables |
| Phase-I Engineering Design | Analysis of assembly process | Feasibility Analysis of Welding Process | Analysis Report for Assembly of Welding Parts |
| Interference inspection of parts assembly |
| Feasibility analysis of welding process | Define parts connection mode (steel spot welding, aluminum spot welding, CO2 shielded welding, SPR, FDS, Flexweld, Bolt, etc.) | Report for Feasibility Analysis of Welding Process |
| Analysis and determination of the quantity, size and surface quality of welding spots |
| Analysis of welding overlap |
| Define gluing method and area |
| Weldability Analysis | Analyze and optimize the methods of welding between parts (manual welding, automatic welding, robot welding or laser welding, etc.) | Weldability Analysis Report |
| Feasibility analysis of projection welding nut, stud and spot welding |
| Analysis on the number of welding spots and the human-machine operability of welding parts |
| Phase-II Engineering Design | Partitioning of car body structure | Establish assembly strategy | Family Tree |
| Analysis of partitioned sub-assembly structure |
| Analysis of Positioning and Clamping Points | Analysis of locating hole | PLP document |
| Analysis of locating surface |
| Definition and analysis of support clamping surface |
| Welding Process Planning | Analysis on the loading sequence of parts | Process Planning Scheme |
| Analyze and optimize the operation content and realization form of each station |
| Process design (work sequence, welding content, welding position, welding quantity, standard working time, equipment and fixture) |
| Layout plan and workshop logistics design (define and optimize workshop station layout, process flow and logistics) | Layout |
| Analysis of operation man-hour (analyze the cycle time and balance of each station, define the number of workers at each station and adjust the work content of each station) | Cycle Time |
| Phase-III Engineering Design | Simulation | Selection & simulation of robot, welding gun and other process equipment | Simulation |
| Simulation of joining process accessibility |
| Logistics simulation | Simulation and verification of the cycle time and output of production line | Plant Simulation |
| verification of the buffer quantity between and within production lines |
| 3D design | 3D structure design | 3D |
| Design of conveying (between lines, within lines, equipment switching, etc.) |
| Multi-vehicle flexible switching assembly structure |
