1.What are the core dimensions of processing performance?
Formability: whether it can stamp/bend complex shapes (such as the inner drum curve of a washing machine)
Coating adhesion: whether the processed edge peels and cracks (affects the anti-corrosion performance)
Surface hardness: ability to resist scratches during production line transmission (avoid rework of appearance parts)
Lubricity: reduce stamping die wear and prevent material adhesion
Resilience: control of bending angle accuracy (avoid assembly gaps)
2.What is the key impact of stamping on home appliance manufacturing?
Problem scenario: When stamping the arc corner of the refrigerator door panel, insufficient elongation of the substrate will cause edge cracking; poor coating adhesion will cause the paint film to peel off at the bend.
Solution: Use a high elongation substrate (such as DC04/SPCC, elongation>30%).
The coating is modified with a flexible resin (such as adding polyurethane) to ensure that it passes the 0T bending test (no cracking after 180° folding).
3.What is the impact of surface quality assurance on home appliance manufacturing?
Production line pain point: The washing machine panel was scratched by the roller during the transmission of the automated production line.
Material response: Use high-hardness coating (such as HDP high-durability polyester, pencil hardness ≥ H).
Add wear-resistant additives (silicon dioxide particles) or cover the surface with a protective film.
Cost impact: Reduce 10% of appearance parts rework, and save more than one million yuan in annual costs (based on a production capacity of one million units).
4.What is the future trend of home appliance manufacturing for color-coated plates?
Ultra-deep stamping: demand for "one-piece molding" of washing machine drums → development of ultra-thin high-strength substrates ≤ 0.3mm. Spray-free appearance: replacement of plastic parts → realization of high decorative coatings such as metal brushing/mirror.
Green manufacturing: meeting RoHS standards → chrome-free passivation + water-based paint application.
5.What impact does assembly precision control have on home appliance manufacturing?
Typical case: The microwave oven cavity rebounds too much after bending, causing laser welding misalignment.
Material optimization: Select a high r-value substrate (r>2.0) to reduce the rebound rate.
Adjust the coating curing process to avoid internal stress accumulation.
Effect: The assembly gap is reduced from ±0.5mm to ±0.2mm.