Methods for addressing forming defects in complex stamping dies
for electric drive structural components

I. Optimize Die Design for Deep Integration of Structure and Process Stamping die design is not simply about dimensional matching, but a systematic integration of mechanical properties, material performance, and processing technology. For complex stamped parts, the design phase must rely on digital simulation technologies such as finite element analysis to predict key issues such as stress concentration and deformation deviation during the forming process. Iterative optimization of the die structure layout and stamping process path based on simulation data can prevent forming defects such as tearing and wrinkling from the source, and by relying on pre-design control, solidify the foundation for stable mass production.
II. Strictly Control Material Indicators and Process Parameters for Stable Forming Process The comprehensive performance of the die and sheet metal directly determines the stamping quality and process stability. Prioritize the use of raw materials with adequate plasticity and uniform metallographic structure to ensure forming compatibility. Simultaneously, standardize and control core process parameters such as stamping pressure, operating speed, lubrication conditions, and heat treatment specifications. Scientific lubrication control can reduce interfacial friction loss, delay die wear, balance the metal rheological state, and effectively suppress quality problems such as cracking and surface scratches.


III. Implementing an Intelligent Inspection System to Build a Closed-Loop Quality Control System
Under the intelligent manufacturing system, automated inspection is the core means to ensure the consistency of stamping forming. Relying on technologies such as machine vision online inspection and 3D precision measurement, data on workpiece dimensional errors and surface defects are collected in real time. Combined with data analysis, process parameters are dynamically adjusted, forming a closed-loop management model of inspection feedback optimization. Unified quantitative inspection specifications and quality evaluation standards provide data support for mold improvement and process upgrades.
IV. Deepening Cross-Job Collaboration to Build a Long-Term Technology Iteration Mechanism
The optimization and improvement of precision stamping mold forming requires multi-disciplinary collaboration. A normalized linkage mechanism should be established among design, process, and quality inspection technical positions to synchronously share production site data, equipment operating status, and quality anomaly information. Through collaborative analysis of forming difficulties and technical bottlenecks, problems can be quickly located and solutions implemented, continuously improving the overall technical level of mold development and stamping manufacturing.

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