When molded fiber packaging requires advanced barrier performance against water, oil, or oxygen, forming alone may not be sufficient to meet the final application requirements. In such cases, lamination is a highly effective post-processing solution to evaluate.
For manufacturers looking to integrate this process, understanding exactly how the equipment operates is the first critical step. Based on the technical specifications detailed in the reference document 覆膜机设备简介V10_2026.01.15(1).doc, an Automatic Pulp Molding Laminating Line seamlessly links the following core stages:
1. Film Unwinding The process begins with the automated unwinding of the film roll. The machine is compatible with a wide range of film materials, including PE, PET, PLA, PBAT, PP, and EVOH. (Note: The final environmental and physical properties depend on the specific film formulation, composite structure, and application environment, rather than just the machine’s compatibility).
2. Lamination (Thermal Pressing) This is the core functional station. The film is applied to the molded pulp substrate through a precise thermal pressing process using electric heating. Mechanically, the mold platen primarily performs a direct up-and-down motion without complex lateral movements, enhancing operational stability. Driven by a fully servo-controlled system and a servo linkage structure, the lamination station ensures uniform pressure distribution, which is vital for maintaining platen flatness and parallelism. The standard lamination cycle is 15 seconds per mold, with a generous mold platen size of 1100 × 1100 mm, accommodating products with a maximum height of 80 mm.
3. Trimming Following lamination, the excess film edges must be cleanly removed. The equipment utilizes a synchronized “lamination and trimming” configuration. Products move directly into the servo-driven trimming station, which applies 80 tons of trimming force. This eliminates intermediate waiting times and ensures smooth, continuous production.
4. Product Stacking In the final step, the trimmed products are automatically accumulated and stacked. By integrating lamination, trimming, and stacking into a single automated line, the equipment significantly reduces manual handling and optimizes the overall production rhythm.
Equipment Selection & Capacity Evaluation When selecting a pulp molding laminating machine, it is important not to calculate a fixed daily output based solely on the 15 s/mold cycle time. Actual production capacity is strictly product-dependent, varying with the product’s layout on the 1100 × 1100 mm platen, specific dimensions, and heating requirements.
If you are evaluating lamination for a molded pulp product, send Hanson Pulp Molding your product photos, dimensions, film requirements, and target performance. Our team can help evaluate the process and recommend the suitable equipment configuration.
