Automotive Support Bracket Stamping Dies

SIKAIDA Automotive Support Bracket Stamping Dies are large-scale, high-precision die systems used for stamping and forming metal sheets. Composed of multiple workstation dies including blanking dies and forming dies, they are widely used in automotive chassis support frame production, precisely meeting automotive safety and assembly requirements, showcasing the strength of China's stamping die manufacturing capabilities.

Detailed Product Features

1. High-Strength Structural Features: The Automotive Support Bracket Stamping Dies can form complex structures including mounting holes and reinforcing ribs, with dimensional accuracy controlled within ±0.05mm. The dies employ a high-rigidity design to resist stamping impacts, prevent deformation, and ensure product consistency.

2. Multi-Process Integrated Molding: Integrating 10-20 workstations, this system enables automated continuous production of composite processes such as single blanking and multiple forming, efficiently completing the molding of flat panels into three-dimensional support frames and reducing transfer defects.

3. Complex Curved Surface Shaping: Precise calculation of material flow, springback compensation, and other parameters optimizes mold surfaces, ensuring accurate part shapes, smooth surfaces, and freedom from wrinkles, scratches, and other defects.

4. High-Precision Guiding and Positioning System: Equipped with high-precision guide pillars and bushings, with a guiding accuracy ≤0.02mm, ensuring precise alignment of the upper and lower molds and guaranteeing the dimensional and assembly accuracy of the support frame.

5. Advanced Lubrication and Demolding System: Equipped with self-lubricating coatings and pneumatic demolding devices, this system solves problems of material adhesion and scratches, ensuring part integrity and mold lifespan.

Product Features and Applications

1. Front Support Frame: Connects the engine and front suspension, bearing loads and impacts;

2. Rear Support Frame: Supports the rear suspension, ensuring wheel alignment accuracy;

3. Subframe Mold: Forms the subframe, distributing loads and enhancing chassis rigidity;

5. Longitudinal Beam Mold: Fabricates the vehicle's longitudinal beams, improving overall torsional rigidity.

Manufacturing Process Introduction

1. CAE Analysis and Process Design: Utilizes software such as AutoForm for formability analysis and process optimization, proactively addressing potential defects.

2. Mold Structure Design: Employs fully parametric design using UG and CATIA software, customized to meet customer needs. Our factory is equipped with advanced equipment to support R&D design.

3. Material Selection and Heat Treatment

- Working Parts: Uses Cr12MoV and high-speed steel to ensure hardness and wear resistance;

- Non-working Parts: Uses 45 steel and Q235 steel, balancing performance and cost;

- Heat Treatment: Quenching + Tempering, hardness HRC48-52, extending mold life.

4. Precision Machining Process

Rough Machining: Gantry milling machine is used to machine the base surface; lathe and wire EDM are used to machine various parts and holes.

Fine Machining: CNC machining of complex surfaces (accuracy 0.01mm), combined with grinding, EDM, and mirror polishing (Ra≤0.4μm).

Surface Treatment: Nitriding, chrome plating, and Teflon coating to improve hardness, corrosion resistance, and lubricity.

5. Assembly and Debugging: After precision assembly, trial molding is performed. Multiple optimizations and first-piece inspections are conducted to complete small-batch trial production verification, meeting mass production requirements.

Development Trends

1. Integrated Forming Technology: Optimized design and processes enable integrated stamping of multiple parts, reducing welding and improving efficiency and strength.

2. High-Strength Steel Hot Forming Technology: Upgraded molds are adapted for ultra-high-strength steel hot forming (≥900℃) to meet high-performance product requirements.

3. Intelligent and Digital Monitoring: Sensors are installed to monitor parameters in real time, enabling digital control and predictive maintenance, improving stability and extending mold life.

4. Application of Additive Manufacturing Technology: Utilizing 3D printing (SLM technology) to manufacture complex mold structures shortens cycle times and improves performance.

5. Green Manufacturing and Process Optimization: Optimizing processes and improving material utilization achieves energy conservation and emission reduction, contributing to the green development of the automotive industry.