Zinc Flake Coating Equipment - Dip & Spin Machine / Spray Type Machine
Zinc Flake Coating Lines with Dip-Spin & Spray Technology
Suntech’s Zinc Flake Coating systems offer both Dip-Spin and Spray Application technologies, engineered for the mass finishing of small to medium-sized fasteners and parts. Our automated systems ensure consistent film thickness, excellent adhesion, and superior corrosion resistance without hydrogen embrittlement.
Process Flow
Our process sequence, optimized for performance, reliability, and uniform surface finish:
Each step is carefully monitored through our automated control systems, with recipe-based program management ensuring repeatability and traceability.
Purpose and Benefits
Zinc flake coatings form a micro-layered barrier that offers long-lasting sacrificial protection, even in harsh environments. The non-electrolytic nature avoids hydrogen embrittlement, making it ideal for high-tensile parts. Whether applied via Dip-Spin for high-volume small parts or Spray Systems for larger or complex geometries, the coating delivers >1000 hours of salt spray resistance and complies with RoHS, REACH, and global automotive standards.
Industries & Products
Common in automotive, wind energy, and construction sectors for high-tensile fasteners, brake components, bolts, nuts, and washers—especially where >1000-hour salt spray resistance and non-embrittling coatings are required.
Configuration & Capabilities
Our systems are modular and customizable to suit volume, part geometry, and application method:
- Dip-Spin Systems: Programmable basket speed, drain, and cycle control
- Spray Booths: Robotic or manual application with fine atomization control
- Curing Ovens: Hot air or IR tunnels for precise thermal profiles
- Automation: Automatic part feeding, recipe management, and robotic unload
- Environmental Controls: Closed-loop exhaust and fume scrubbers
Notable features:
- Dual or multi-layer coating support (base + topcoat)
- SCADA-ready controls with digital recipe tracking
- Compact footprint with high throughput efficiency
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