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High-density roll brush for film perforating machines

A high-density roll brush that stabilizes fine hole punching while minimizing film misalignment and tearing.

In perforating machines that create fine holes in film, issues such as film misalignment or tearing often occur due to the pressure of the needle roll, making processing stability a challenge. At Kyoshin Giken, we propose a method to address this problem by using a high-density roll brush as a "soft yet firm supporting base." By supporting the film with the bristles over a surface area, the needle pressure is distributed, allowing the film to pass through stably while efficiently performing fine hole processing with minimized misalignment and tearing. Additionally, our strength lies in the wide selection of bristle materials; a blend of horsehair and pig bristle with wire achieves a balance of softness and resilience, gently supporting the film while maintaining its shape. Furthermore, in temperature ranges that horsehair and pig bristle cannot withstand, we can ensure heat resistance and processing stability by using Teflon or PPS bristle materials. In particular, Teflon bristles are less likely to accumulate fine debris, preventing reattachment to the film surface and contributing to improved finishing quality.

Related Link - https://www.kyoushingiken.co.jp/techinfo/6157

basic information

This product is a high-density roll brush used in film perforating machines, positioned on the opposite side of the needle roll. The bristle materials can be selected from horsehair, pig bristle, wire blend, nylon, Teflon, and PPS, and are optimized according to the type and thickness of the film, hole diameter, and line conditions. The brush density is designed to provide a balance that firmly supports the film while ensuring that the needles can penetrate reliably. The structure can be adapted to equipment, including integrated shaft types and sleeve exchange types. Dimensions such as outer diameter, inner diameter, and overall length can be custom-designed to fit the layout of the perforating machine. In lines requiring heat resistance, using Teflon or PPS bristle materials allows for stable processing even in high-temperature environments. We also accommodate prototypes starting from a single unit, which can be utilized for improving existing lines.

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Applications/Examples of results

This product is used in perforating machines that create fine holes in film, where the pressure from the needle roll is absorbed by the brush, helping to prevent film misalignment and tearing, thus contributing to stable hole processing. It is widely adopted for applications such as ventilation hole processing for food packaging films, fine hole processing for agricultural films, and perforation processing lines for functional films. The mixture of horsehair, pig hair, and wire materials balances softness and resilience, gently supporting the film while maintaining its shape. Additionally, in cases where Teflon materials are used, fine debris generated during perforation is less likely to adhere to the brush, preventing reattachment to the film surface and leading to improved finish quality. It is also effective in improving yield and reducing troubles in existing lines.

Detailed information

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Distributors

You can order custom-made brushes starting from one piece, and standard brushes can be ordered with a click. I absolutely love custom-made brushes too (^^)/ Brush Village @ Koshin Giken, a manufacturer of industrial brushes, is an online shop for brush mail order! The uses for brushes are too numerous to count, including cleaning, polishing, deburring, sealing, and more. Even we, as manufacturers, are surprised by this. We have a variety of brushes in different shapes available (^^) We also welcome inquiries for other uses, so please feel free to contact us!