Die-cutting mold

Pulp molding die is the core cutting tooling used in the subsequent processes of pulp molding products. Relying on high-precision steel molds and in conjunction with equipment such as die-cutting machines, it accurately punches, trims, and shapes the molded wet or dry pulp blanks according to the product design outline. It is a key link to ensure that the finished product has a neat appearance, uniform size, and can realize complex structures.

Product Description

1. Precise Contour Cutting, Perfect Product Replication: The die-cutting mold, with its customized blade contour design, precisely matches the shape of the pulp molded product (such as round, square, irregular shapes, and those with cutouts/buckles/folded edges). There is no offset or misalignment during the cutting process, perfectly replicating the product design details and eliminating problems such as burrs, gaps, and contour deformation after cutting. Whether it's regular lunch boxes and trays, or complex electronic packaging liners and irregularly shaped medical consumables, standardized cutting can be achieved through the die-cutting mold, ensuring that every finished product has a consistent shape.

2. Efficient Edge Trimming, Enhancing Product Appearance and Texture: Excess pulp material may remain during the molding stage of pulp molded products. The die-cutting mold's blade can remove this excess material in one go, simultaneously smoothing the product edges and eliminating burrs, rough edges, and jagged defects caused by molding. The cut product has smooth, flat edges and clean lines, eliminating the need for secondary manual polishing, directly improving the overall refinement of the product and meeting the appearance requirements of high-end packaging (such as branded gifts, food tableware).

3. Achieve Complex Structure Forming and Expand Product Functionality

Beyond basic cutting, customized die-cutting molds can also achieve one-piece molding of pulp products, including edge creasing, pre-cut buckles, reinforcing rib cutting, and through-hole/groove forming. For example, creases can be pressed into the edges of pulp lunch boxes for easy folding, and buckle structures can be cut into the packaging lining for fixation. This upgrades pulp molded products from "single containers/packaging" to components with functional structures, expanding product application scenarios and reducing subsequent additional processing steps.

4. Adapt to Mass Production and Ensure Production Efficiency

Made with high-strength steel, the die-cutting mold is robust and durable, compatible with high-speed die-cutting machines for continuous operation. A single cut can complete the cutting of one or more products, significantly improving the efficiency of subsequent processes. Simultaneously, the die-cutting mold is easy to install and precisely aligned, allowing for quick switching to the production line, reducing mold change and machine setup time, adapting to the large-scale mass production needs of pulp molding plants, and reducing labor costs.

5. Adaptable to Different Processes and Raw Materials, Expanding the Scope of Application

Digital die-cutting molds with different materials and blade angles can be customized based on the molding process (wet/dry pressing), raw material characteristics (bamboo pulp, sugarcane pulp, straw pulp, etc.), and product state (wet/dry blank). For example, a more resilient blade is used for wet blank products to prevent pulp tearing during cutting; a harder blade is used for dry blank products to improve cutting efficiency and durability, fully adapting to the cutting needs of different production lines and products.

6. Reduced Processing Waste and Controlled Production Costs

Precise die-cutting minimizes pulp waste (edge ​​material can be recycled and reused), while avoiding finished product scrap due to cutting defects, reducing raw material waste and rework costs from the source. Furthermore, durable dies have a long service life, reducing the frequency of mold replacement and maintenance, further reducing mold consumable costs and improving overall production efficiency.

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