Maintenance period extended by 20 times! Case study of continuous cutting process of PP sheets.
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What is a non-stick coating that extends the maintenance cycle of cutting blades by 20 times? *Currently offering a collection of case studies on surface treatments that improve adhesive troubles with cutting tools.
We would like to introduce a case study from the process of cutting thin PP sheets used for clear files. ■ Key Points of the Issue - A problem occurred where the PP sheet stuck to the cutting blade, causing the line to stop. - The blade type is a shear type with two blades, similar to scissors. - When PP adheres, the cutting surface becomes rough, leading to product defects. ■ Background of Selection - Standard fluororesin coatings have a thick film that reduces cutting performance. - The non-stick properties of fluororesin may sometimes be insufficient to prevent sticking. - A thin, superior non-stick coating compared to fluororesin coatings is needed. ■ Effects of the Coating - Troubles that occurred every other day have ceased for a month and a half. - The coating protects the blade edge, reducing the risk of workers cutting their hands. - By reducing product defects, it eliminates material loss amounting to tens of thousands of tons annually. Non-stick coatings for blades contribute to increased productivity, cost reduction, and improved safety. You can download a collection of case studies on cutting process improvements. We also have a trial set of the coating available. Please feel free to apply. ▽ Click here to apply for the collection of cutting process improvement case studies and the trial set ▽
basic information
■ Yoshida SKT offers coatings that prevent blade dulling and changes in blade shape. - A thin film coating of several micrometers that firmly adheres to the cutting edge to prevent sticking. - Low-temperature processing that makes blades less prone to dulling. ■ A variety of coatings suitable for cutting tools that improve trouble while ensuring the cleanliness of the blade. 【Release + Solvent Resistance】 Processing Number: MRS-102 Treatment Temperature: Approximately 180°C Type: Silicone-based Film Thickness: 5-15 μm 【Release + Tackiness】 Processing Number: MRS-004 Treatment Temperature: Approximately 180°C Type: Silicone-based Film Thickness: 1-2 μm 【Release + High Hardness】 Processing Number: MRS-014 Treatment Temperature: Approximately 180°C Type: Silicone-based Film Thickness: 1-2 μm 【Release + Slipperiness】 Processing Number: MRS-003 Treatment Temperature: Approximately 200°C Type: Silicone-based Film Thickness: Approximately 1 μm 【Release + Precision】 Processing Number: TLS-200 Treatment Temperature: Below 100°C Type: Fluororesin-based Film Thickness: Below 1 μm *For more details, please refer to the PDF or contact us.
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Applications/Examples of results
**Case Study** Process of continuously cutting multi-layer film **Problem** There is a layer of adhesive on the first layer of the film, causing adhesive to adhere to the rotary blade. This adhesion leads to cutting defects and line stoppages. **Challenge** To create a blade that can continuously cut without adhesive adhering to the rotary blade, a coating that prevents adhesion with excellent release properties and durability was required. Initially, a Bi-Coat® with superior durability and release properties was selected. The film thickness was about 10μm, and there was no visible change to the blade, but when actually tested, the cutting performance deteriorated to the point of being unusable. Next, a silicone-based coating that would have minimal impact on the blade edge shape was proposed, but due to the high adhesive strength of the adhesive layer in the multi-layer film, while cutting was possible, adhesion problems occurred. **Adoption Process and Effects** The rotary blade presses the blade edge against the film and cuts with pressure, resulting in minimal friction with the product. Therefore, MRS-004, which has excellent release properties and tackiness despite being a thin film, was proposed. As a result of testing, it was possible to maintain cutting performance without any change in the blade edge shape while continuously resolving the issues.
