Food-grade metal packaging material color-coating production line (tinplate, base steel sheet, aluminum)
Specifically designed for food-grade metal packaging, this precision color-coating process is suitable for tinplate, aluminum sheet, galvanized sheet, and cold-rolled substrates. With more than 30 years of technological expertise, Dinglong ensures exceptional coating uniformity and strong adhesion, fully meeting international food safety standards. The equipment operates with stable performance and high efficiency, making it widely used in the global packaging and printing industry and providing customers with reliable production assurance.
Keywords: Food-grade metal packaging material color-coating production line (tinplate, base steel sheet, aluminum)
Food-grade metal packaging material color-coating production line (tinplate, base steel sheet, aluminum)
Production line equipment composition:
1. Inlet section: primarily consists of an unwinding unit, a saddle, a carriage, pinch rolls, a shear, a seaming machine, a tensioner, a web-guidance system, and an inlet loop.
2. Process Section: Primarily comprises pre-treatment cleaning and drying oven, chromate coating machine and chromate drying oven, fine coating machine and fine coating drying oven, tensioning machine, and web-guidance system, among others.
3. Exit Section: Primarily consists of a recoiler, saddle, carriage, shear, pinch rolls, tensioner, web-guidance system, and exit loop stand, among other components.
4. Waste Gas Incineration Heat Recovery System: includes the incinerator furnace, waste gas preheater, fresh air heat exchanger, water heat exchanger, burner, fan, and other components;
5. Electrical control system;
6. Hydraulic Control System;
7. Pneumatic control system;
8. Steel platforms, racks, escalators, and guardrails.
Product Introduction
This equipment constitutes a complete production line designed for degreasing, cleaning, and passivation of metal sheet surfaces, followed by continuous application of primer, topcoat, and printing, and finally baking and curing, to meet the packaging process requirements for food, beverages, and other applications.
Product Features
The production process employs single-coat, single-bake technology and can be further configured with lamination, printing, and other finishing processes, resulting in products with superior surface aesthetics, excellent post-processing capabilities, outstanding corrosion resistance, scratch resistance, and other superior surface qualities. In addition, the system is equipped with our company’s proprietary waste-gas treatment and heat recovery system.
Technical Specifications
| Raw Materials | Aluminum strip (Series 3/5/8), tinplate, and base metal sheets |
| Width | 600~2100mm |
| Thickness | 0.1~0.5mm |
| Roll Outer Diameter | φ800~2500mm |
| Roll Inner Diameter | φ405~φ605mm |
| Process speed | 50–200 meters per minute |
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Phone
Address
No. 4, Innovation Road, Luoyang Industrial Park, Wujin District, Changzhou City
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