Power&Free Powder Coating Line for Racks
ST-APC-GWJ80
Price: USD100,000~300,000
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Digitalization & Intelligence: Integration of IoT and smart control systems enables real-time monitoring of equipment operation, fault prediction, and preventive maintenance—reducing downtime and improving efficiency.
Advanced Materials & Processes: The use of high-strength, lightweight materials enhances durability and stability, ensuring smoother operation and longer service life for chains and carrier trolleys.
Space-Saving and Higher Line Efficiency: Through optimized layout and accumulation design, higher production capacity can be achieved within limited space.
Adapted to Busbar Coating Process Requirements: Provides stable conveying performance, forming a solid foundation for uniform coating and reliable insulation quality.
The accumulation conveyor chain, fully known as a power & free overhead conveyor system, is an automated solution used for material handling and storage. It mainly consists of rails, chains, carrier trolleys, a drive unit, and a control system. The chain circulates along the track, while the carrier trolleys are suspended beneath it. These trolleys can move freely, stop, or accumulate along the track according to production requirements.
In simple terms, an accumulation conveyor system works like an intelligent "rail-based bus" for materials—each "bus" (carrier trolley) transports materials and stops precisely at designated "stations" (workstations) based on pre-set routes and commands.
Coating solutions for Industry

01 Highly Flexible Production
In industries such as automotive manufacturing and electronics assembly—where flexibility is critical—there are often multiple product models and complex processes. The accumulation conveyor system easily handles this by using a programmable control system that allows trolleys to switch freely between different track branches. This ensures that various materials are delivered accurately to the corresponding workstations.
As a result, production lines can quickly adjust output pace and product types, significantly improving a company’s responsiveness to market changes.
02 Efficient Accumulation Function
One of the key advantages of the accumulation conveyor is its “buffering” capability. When a workstation is temporarily unable to receive materials—due to maintenance, material shortages, or other issues—the carrier trolleys can automatically accumulate on the track ahead of that station, forming a temporary buffer zone.
This prevents congestion in material flow, ensures smooth operation of the entire production line, and reduces downtime caused by waiting for materials, ultimately improving overall efficiency.
03 Maximized Space Utilization
Accumulation conveyor systems are typically installed overhead, making full use of vertical factory space. Compared to traditional floor-based conveying equipment, they require minimal floor area, allowing for a more compact and efficient workshop layout.
In modern industrial facilities where space is valuable, this advantage is especially important, helping companies maximize production capacity within limited space.
1. Basic Information
No. | Item | Parameter |
1 | Maximum Workpiece Dimensions | 1200mm × 750mm × 2200mm (L × W × H) |
2 | Maximum Workpiece Weight | 300 kg |
3 | Maximum Throughput | 12 hangers / hour |
4 | Workpiece Material | Steel, Aluminum Alloy |
5 | Production Area Dimensions | See attached drawing |
6 | Floor Condition | Industrial cement flooring; underground excavation permitted |
7 | Power Supply | 220V / 380V / 60Hz |
8 | Heat Source | Natural Gas |
9 | Compressed Air | To be provided by customer as required |
2. Process Requirements
No. | Item | Parameter |
1 | Site Dimensions | 30,000 (L) × 8,000 (W) mm |
2 | Pre-treatment Method | Degreasing + Water Rinse + Fresh Water Rinse |
3 | Coating Material | Thermosetting Powder Coat |
4 | Coating Method | Electrostatic Spray (Automatic + Manual Touch-Up) |
5 | Powder Recovery Method | Automatic Closed-Loop Circulation |
6 | Powder Curing Method | Gas Hot-Air Circulation |
7 | Conveyor Type | Power & Free Overhead Conveyor |
8 | Loading / Unloading | Manual + Mechanical Assist (arranged by customer) |
3. Process Flow
Load Parts → Degreasing → Water Rinse → Fresh Water Rinse → Moisture Drying → Electrostatic Powder Coating → Powder Curing → Natural Cooling → Unload Parts
For a detailed quotation and full configuration list, please contact us via email at [email protected] or WhatsApp at +86 15854139190.
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