Automobile stamping parts
I. Common Material Specifications
Cold-rolled automotive steel plates: SPCC, SPCD, SPCE (for deep drawing)
2. Hot-rolled steel plates: Q235, 45#, SAPH440
3. High-strength steel: DP600/DP780/DP980 dual-phase steel
4. Stainless Steel: SUS304, SUS430
5. Aluminum alloy: 6061, 5052 automotive-specific aluminum materials
6. Material thickness: 0.5mm to 4.0mm. Customization available.
II. Dimension Accuracy Parameters
Shape tolerance: ±0.03mm to ±0.10mm
2. Diameter tolerance: ±0.02mm
3. Bending angle tolerance: ±0.5°
4. Flatness: ≤ 0.05mm/100mm
5. Installation hole position tolerance: ±0.02mm
6. Batch interchangeability: The dimensions of the entire batch are consistently stable and can be directly assembled.
III. Pressing Process Parameters
Processing technology: Punching, blanking, bending, stretching, flanging, press-fitting, shaping, riveting, edge wrapping integrated process
2. Mold type: Single-process mold, composite mold, automotive-specific progressive die
3. Production method: High-speed automatic stamping, continuous mass production by robotic arms
4. Production speed: 50 - 400 pieces per minute
5. Process quality: No burrs, no deformation, no cracking, no scratches
IV. Structural and Performance Requirements
Tensile strength: Adapted to automotive material standards, with strong bending and impact resistance capabilities.
2. Resilience: Can be bent without breaking after multiple forming processes, and the rebound control is precise.
3. Welding performance: Suitable for spot welding, arc welding, and laser welding, and the welds do not crack.
4. Anti-fatigue property: Resistant to deformation and fracture even under long-term vibration, meeting the requirements of automotive conditions.
V. Surface Treatment Process
Cold-rolled natural color, cleaning and rust prevention
Electro-galvanizing, hot-dip galvanizing
Nickel plating, electrophoretic blackening, powder coating
Wire drawing, passivation, and rust prevention oiling
Automobile-specific corrosion-resistant surface treatment
VI. Product Application Scope
Automobile chassis components, body structure components, bracket fixing components, automobile terminal connection components, automotive lamp hardware accessories, seat stamping components, door and window hardware, engine peripheral stamping accessories, auto parts extrusion shells, etc.
VII. Production and Quality Assurance Standards
Support custom production based on provided drawings and samples, as well as mold development and research and development.
2. Samples can be provided for confirmation, small-scale trial production, and large-scale mass production.
3. Meets the quality standards for automotive stamping parts, with stable dimensions and on-time delivery.
4. Test reports and material certificates can be provided.