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1. Zhongji’s high precision manufacturing methods such as its narrow air gap tolerances and vertical offset between the slats as well as the parallelism between upper and lower chain belts are necessary to achieve a high standard of panel surface appearance
2. For the drive unit of the double belt, two electronically controlled DC type motors have been selected, and are mounted separately on the upper and lower slat chain belt. The motor of the lower belt serves as a pilot drive and is electronically synchronized with the motor of the upper belt to achieve a fully uniform and parallel movement of both slat chain belts. By this electronic synchronization, scratches on panel surface and any decrease of adhesive strength are avoided
3. By means of several hydraulically operated sets of cylinders, the upper and lower slat chain belts are locked to each other in order to contain the foam’s pressure. Panel thickness is adjusted by exchangeable distance pieces which also serve as limit stops for the upper slat chain belt
4. The thickness of our slats is over 10~12mm and our slats are the result of our own metal working technology, which assures our product of a 20 year working life with uniform flatness. The slats less than 10mm and without any special metal processing, can not be employed about 2 years after installation. A good quality panel has no variation of thickness, is flat and has no surface scratching, which can be only produced from a highly precise slat.
Specifications (Modules)：
Company and Service Advantages:
2. The company has a professional The Adjuster team, 24 hours to provide uninterrupted after-sales service
(1) Installation and debugging
Equipment arrived at the customer workshop, according to the flat layout of our equipment. We will arrange experienced technicians to install, debug and test-produce the equipment, and make the equipment reach the rated production capacity of the production line.
(2) Training
Our company provides technical training for our customers. The training includes the structure and maintenance of the equipment, the control and operation of the equipment, experienced technicians will guide and establish the training program. After training, the buyer's technical personnel can master the operation and maintenance of the equipment, can adjust the process and deal with different failures.
3. After-sales quality problems within 2 hours to answer, if the telephone video guidance can not be solved, domestic 24 hours to send engineers to the site to solve the problem.
4. Factory direct sales price concessions, 40,000 square meters factory, 20 years of Export Enterprises, CE certification, patents more than 100 items
ITEMS |
TYPE/UNIT |
SP-PU-C |
Line Dimensions - L × W × H |
mm |
20000 × 50000 × 7000 |
Total Power |
w |
70000 |
Net Weight of Production Line |
kg |
70000 |
Production Line Speed |
m/min |
0-4.5 |
1. The optimum process design covers the whole range of PU system. It has been used over 20 years in the field of PU machines and plant engineering on all kinds of high pressure PU metering machines without any trouble and problems.
2. We provide three kinds of PU sandwich panel production line as L-type, Straight type, and heads for continuous panel. All of PU sandwich panel production line are available as multi components as 2 to 6 components.
We are the first drafter of the China National Standards for 3D Panel.
We cooperated with a German manufacturer where the first EPS block molding machine in the world was produced in 1960.
We have a joint venture with Alessio Hi-tech, a leading Italian company for shape molding and pre expansion technology of EPS and EPP.
We have Korean Hi-tech for continuous sandwich panel line with core in Polyurethane, Mineral Wool, Phenolic or EPS. Ten overseas branch offices are responsible for the worldwide sales and after-sales services.
We warmly welcome friends and all those who are interested in our products and services to visit our factories in Shanghai, China.
Product overview and core features
The Quality Warranty Double Belt Conveyor from Shanghaizhongji is built around twin synchronous belts that provide stable, balanced conveying for fragile, heavy, or asymmetrical loads. The double belt conveyor warranty ensures that components are sourced and assembled to stringent quality standards and that purchasers receive clear recourse and support. Core features include synchronized dual-belt drive, precision tracking, low-deflection frames, and quick-change belt modules to minimize downtime. These attributes support conveyor efficiency upgrade initiatives by enabling faster belt changeovers, reduced alignment time, and simplified preventive maintenance.
Applications and industry fit
Designed for industrial material handling across automotive, food processing, electronics, packaging, pharmaceuticals, and logistics hubs, this double belt conveyor warranty-coupled product excels where load stability, contamination control, or precise spacing is critical. Typical applications include pallet-less transfer, transfer between machining centers, stabilizing tall or unstable products for labeling and inspection, and handling sensitive assemblies. The Shanghaizhongji Quality Warranty Double Belt Conveyor is especially effective in environments pursuing conveyor efficiency upgrade programs, production line consolidation, and lean material flow implementations.
Design innovations and engineering advantages
A hallmark of this product is its engineering that targets both operational reliability and lifecycle value. The double belt conveyor warranty underwrites the use of advanced polymers and heat-resistant belt compounds that minimize stretch and maintain tension longer than conventional belts. This reduces the frequency of manual adjustments and downtime related to belt tracking. The conveyor’s low-profile, fully-lubricated bearings and sealed gearboxes reduce maintenance intervals and protect moving parts from contaminants, increasing MTBF and supporting long-term conveyor efficiency upgrade goals.
The system incorporates modular drive packs with variable frequency drive (VFD) compatibility for precise speed control and soft-start capability, delivering smoother acceleration and reduced shock to conveyed goods. VFD integration contributes to energy-saving conveyor systems strategies by allowing variable-speed operation matched to production demand, thereby cutting unnecessary energy consumption during idle or low-load periods.
Material selection and build quality
Shanghaizhongji applies stringent material selection to ensure robust performance and warranty compliance. High-strength steel frames with anti-corrosion finishes, precision-ground shafts, and reinforced cross-members minimize deflection and ensure consistent running geometry. Belt materials are selected for abrasion resistance, low elongation, and compatibility with specific process environments (eg., food-grade polyurethane for sanitary applications or heat-stable compounds for high-temperature operations). The double belt conveyor warranty reflects confidence in these material choices and supports predictable lifecycle costs.
Control systems and connectivity
Modern production facilities require conveyors that integrate seamlessly with factory control systems. The Quality Warranty Double Belt Conveyor includes options for PLC integration, Ethernet/IP, Profinet, and Modbus communication, enabling centralized monitoring and control. Built-in sensor packages support real-time belt tracking, load sensing, and predictive maintenance alerts. These capabilities are fundamental to any conveyor efficiency upgrade program because they provide data for performance optimization and help prioritize maintenance actions to maximize up-time.
Safety, ergonomics, and maintainability
Safety is integral to the design, with guarding options, emergency stop circuits, and compliant access panels. The double belt conveyor warranty covers critical safety-related components, ensuring they meet regulatory standards and remain serviceable. Ergonomic considerations—such as tool-free access panels, quick-release tensioners, and front-facing adjustment points—reduce the effort required for routine maintenance. This maintainability translates directly into lower labor costs and supports the broader objectives of energy-saving conveyor systems through optimized operation and fewer unscheduled stops.
Energy efficiency and environmental benefits
Energy-saving conveyor systems are increasingly prioritized in modern plants. The Quality Warranty Double Belt Conveyor supports energy efficiency through optimized drive selection, low-friction components, and the option for regenerative braking where applicable. VFDs and intelligent control strategies reduce average power draw by matching conveyor speed to throughput demands. Low-torque starting and efficient gearboxes contribute to lower inrush currents and reduced overall consumption. These energy-saving conveyor systems characteristics not only reduce operational costs but also align with corporate sustainability goals.
Customization and scalability
Shanghaizhongji understands that no two production lines are identical. The Quality Warranty Double Belt Conveyor is available in configurable widths, lengths, belt materials, and drive options to meet specific application requirements. Modular sections allow for staged deployment, enabling companies to scale their material handling infrastructure in line with production growth. The double belt conveyor warranty provides confidence for phased rollouts, ensuring compatibility between sections and consistent support from initial installation through extended operation.
Installation, commissioning, and service
A comprehensive support package accompanies the product, including on-site commissioning, startup tuning, and operator training. The double belt conveyor warranty ensures that parts and labor for covered items are readily available, helping plants achieve rapid ROI by minimizing commissioning delays. Remote diagnostics and optional service contracts allow proactive maintenance planning that dovetails with conveyor efficiency upgrade programs, ensuring continuous improvement and sustained performance gains.
Performance metrics and ROI
Key performance indicators for the Quality Warranty Double Belt Conveyor include improved product stability, reduced product damage rates, decreased downtime for belt changes and tracking, and lower energy consumption per conveyed ton. When measured against legacy single-belt or flawed transfer systems, customers typically observe faster line speeds, reduced scrap, and lower total cost of ownership. These measurable benefits support investment decisions for companies pursuing conveyor efficiency upgrade initiatives and investing in energy-saving conveyor systems.
Why choose Shanghaizhongji
Shanghaizhongji combines decades of conveyor engineering experience with global manufacturing capabilities and a customer-focused warranty policy. The Quality Warranty Double Belt Conveyor encapsulates this approach, providing a reliable, maintainable, and efficient material handling solution. The double belt conveyor warranty demonstrates Shanghaizhongji’s commitment to product longevity and customer satisfaction, while features targeting conveyor efficiency upgrade and energy-saving conveyor systems ensure long-term operational and environmental advantages.
For facilities seeking a resilient, high-precision conveyor that supports modern production demands, the Shanghaizhongji Quality Warranty Double Belt Conveyor is a compelling choice. Backed by a comprehensive double belt conveyor warranty, engineered for conveyor efficiency upgrade programs, and optimized as part of energy-saving conveyor systems strategies, this conveyor delivers the performance, flexibility, and support industrial operators require to keep lines running smoothly and economically.
