Project Location: Shandong, China
Project Overview:
ZHYAO delivered a fully automated powder coating line for excavator components to a leading construction machinery parts manufacturer in Shandong, China. The line is designed to handle large and heavy parts such as arms, buckets, brackets, and chassis components, providing durable surface protection and consistent coating quality.
Client Pain Points:
The customer needed a solution that could:
Handle a wide variety of heavy excavator parts with different sizes and geometries
Ensure uniform coating thickness and high adhesion for outdoor and industrial use
Increase production efficiency while reducing material waste and energy consumption
Comply with local environmental regulations for dust and VOC emissions
ZHYAO Customized Solution & Advantages:
Loading System: Heavy-duty gantry conveyor with hooks and rotary fixtures, single part load up to 150 kg, adaptable to various component sizes
Pre-treatment: Spray degreasing and phosphating followed by DI water rinsing; online conductivity monitoring ensures stable surface preparation
Powder Coating: Multi-gun reciprocating electrostatic powder booth with cyclone recovery system, providing high powder utilization and uniform coverage
Curing: Natural gas direct-fired oven with stable temperature distribution; curing time adjustable according to part specifications
Unloading & Stacking: Automatic cooling and stacking system ensures smooth workflow and traceability
Performance & Benefits:
Durable Coatings: Epoxy-polyester powder coating provides excellent adhesion, wear resistance, and corrosion protection suitable for heavy machinery applications
High Powder Utilization: Cyclone recovery system allows powder recovery ≥ 90%, reducing material consumption
Wide Part Compatibility: The line can accommodate different excavator components without changing fixtures
High Production Efficiency: Continuous operation with line speed optimized for heavy parts, enabling faster throughput
Environmental Compliance: Equipped with dust filtration and secondary recovery, emissions meet local environmental regulations
Low Maintenance: Modular design simplifies routine maintenance, minimizing downtime
The line has been successfully commissioned, delivering uniform and durable coatings for all excavator parts. It operates stably, improving production efficiency and reducing operational costs.
If you also need a customized powder coating solution for heavy machinery parts, please contact us.
