The multi-industry application scenarios and key points for adaptation of knife plate spring pads

As a core auxiliary accessory in die-cutting processes, the application scenarios of die-cutting plate spring pads have broken through the traditional printing and packaging industry and extended to multiple fields such as leather textiles, electronic manufacturing, and medical supplies. The processing requirements and material properties of different industries vary greatly, and the demands for the material, hardness, structure, etc. of the tool plate spring pad also differ. Precise matching is the core prerequisite for ensuring processing quality.

In the printing and packaging industry, ejection rubber are the most widely used, covering die-cutting and creasing of products such as corrugated boxes, color boxes, gift boxes, and labels. For materials like corrugated paper that are relatively thick and have A loose structure, polyurethane elastic pads with moderate hardness (Shore A 70-80 degrees) and strong wear resistance should be selected to cope with the impact force generated during high-intensity die-cutting operations and prevent the corrugated structure from being crushed. For thin materials such as color boxes and labels, it is necessary to give priority to choosing medium and low hardness (Shore A 40-60 degrees) spring pads with excellent elasticity and rapid rebound, ensuring that the die-cut edges are smooth and flat, free of burrs and rough edges, and guaranteeing the appearance accuracy of the products. In addition, in the creasing process of irregular-shaped boxes and folding boxes, it is necessary to use strip-shaped or block-shaped spring pads for local pressure compensation to prevent creasing cracking or line blurring.

In the leather and textile industry, ejection rubber are mainly used for die-cutting flexible materials such as leather, fabric, and non-woven fabric, such as shoe materials, clothing accessories, and luggage parts. This type of material features strong toughness and easy stretching. It is necessary to select polyurethane or natural rubber elastic pads with soft elasticity and uniform deformation to prevent the material from stretching and deforming during die-cutting, and at the same time reduce the damage to the material surface caused by the cutting edge to ensure a smooth cut. To address the potential oil contamination that may occur during leather processing, nitrile rubber pads with better oil resistance can be selected to extend their service life.

The electronics manufacturing industry has extremely high precision requirements for die-cutting plate spring pads, which are mainly used for die-cutting thin and high-precision materials such as mobile phone films, battery separators, and electronic component gaskets. For such scenarios, castable polyurethane spring pads with high dimensional accuracy and stable elasticity should be selected. The hardness should be controlled at 30-50 degrees on the Shore A scale to ensure uniform pressure during die-cutting and prevent material damage or die-cutting deviation. In the scenario of high-temperature die-cutting of electronic materials, high-temperature resistant silicone spring pads need to be used to prevent the spring pads from aging and failing due to high temperatures. In the medical supplies industry, knife plate spring pads are used for die-cutting of materials such as mask ear loops, infusion patches, and medical dressings. Food-grade, odorless, and environmentally friendly polyurethane spring pads should be selected to meet the hygiene standards of the medical industry while ensuring the stability and consistency of die-cutting.