Perforating blade Knives

What does Perforating Blade Mean?

A perforating blade, also known as a perforation blade, perforated blade or hole saw in some contexts, is a specialized cutting tool designed to create a series of small cuts or holes in a material, leaving behind uncut sections. This allows the material to be easily torn or separated along the perforated line. The term “perforating” itself implies the act of making a line of holes or tears in something so that it can be easily broken off. In industrial applications, perforating blades are crucial for creating controlled weaknesses in materials for various purposes, from packaging to paper products.

Uses and Applications of Perforating Blades

Perforating blades find extensive use across a wide range of industries due to their ability to create easy-tear lines. Some common applications include:

• Packaging Industry: Creating easy-open features on food wrap, plastic packaging, corrugated cardboard boxes, and tear-off strips on pouches and bags. Perforations on bubble wrap and tape allow for clean and quick dispensing.
• Paper Products: Manufacturing tear-off sheets in notebooks, checkbooks, bills, calendars, stamps, paper towels, and toilet tissue. They are also used for creating perforated edges on labels and forms.
• 식품 가공: Perforating plastic films used for food packaging to allow for controlled tearing and dispensing.
• Textile and Leather: Creating decorative perforations or preparing materials for further processing by making them easier to tear along a specific line.
• 조작: Creating ventilation or drainage holes in various materials. In the automotive industry, they can be used to create vents and lightening holes in assemblies.
• Office and Stationery: Producing bookmarks, dividers, and tear-off receipts.
• Special Effects and Theatrical Industries: Creating mock-ups, tickets, and props.
• Label Industry: Perforating label liners to allow for easy tearing and fan folding of labels.

Common Materials for Perforating Blades

The choice of material for a perforating blade depends on the material being cut and the demands of the application. Common materials include:

• 고속도강(HSS): Offers a good balance of hardness and toughness, suitable for many general-purpose perforating applications, including paper, thin plastics, and some metals. Different grades of HSS, such as M2, provide varying levels of wear resistance.
• 공구강: A broad category encompassing various carbon and alloy steels that can be hardened and tempered for specific applications. The exact type of tool steel will be chosen based on the required hardness, wear resistance, and toughness.
• 스테인레스 스틸: Offers good corrosion resistance, making it suitable for applications where hygiene or exposure to moisture is a concern, such as in some food packaging applications. Different grades like 440C, 440, and 420J2 are used.
• 텅스텐 카바이드: Provides exceptional hardness and wear resistance, ideal for high-volume production and for perforating more abrasive materials like thick cardboard or some plastics. Carbide-tipped perforating blades offer extended lifespan.
• Powder Metallurgy Steels (e.g., CPM 10-V): These steels offer superior wear resistance and toughness compared to conventional HSS due to their uniform microstructure, making them suitable for demanding perforating tasks.

The selection of the appropriate material ensures the perforating blade maintains its sharpness and provides consistent performance over its lifespan. Coatings like black oxide can also be applied to improve wear resistance and aid in identifying wear.

Common Perforating Blade Shapes

Perforating blades come in various shapes and configurations to achieve different perforation patterns and cutting actions. Some common shapes include:

• 직선 블레이드: These are linear blades used for creating straight lines of perforations. They can be used in guillotine-style cutters or as part of a larger die-cutting tool. The teeth or the cutting edge are specifically designed to create intermittent cuts.
• Rotary Blades: Circular blades that rotate against a counter blade or anvil to create perforations. These are often used for continuous perforation in web-fed processes, such as in paper converting or packaging lines.
• 톱니날: These blades have a series of teeth with specific shapes and pitches (the distance between teeth) to create the desired cut-and-tie pattern. The ratio of the cut length to the uncut length (tie) can be varied by the tooth design and spacing. Common tooth forms include standard teeth, serrated teeth, scalloped teeth, and saw-tooth forms.
• Circular Perforating Knives: A type of rotary blade specifically designed for perforation. They roll over the material to create the intermittent cuts.
• Custom Shapes: Depending on the application, perforating blades can be manufactured in custom shapes to create unique perforation patterns.

The working principle of a perforating blade involves applying pressure to the material at specific points or along a line, creating a cut or a series of cuts. The geometry of the blade, particularly the teeth and the cutting edge, determines the length and spacing of the perforations. For rotary blades, the continuous rotation ensures a consistent perforation along the material’s path. The “cut and tie” ratio is a critical parameter, defining the length of the cut and the remaining uncut material, which dictates the ease of tearing and the strength of the perforated material before separation

Perforated Blade Display

왜 Metal를 선택해야 하나요?

1. 원스톱 번거로움 없는 수입 서비스

수입의 편리함을 누리기 쉽고, 운송에서 통관까지 전체 과정을 우리가 처리해 드립니다. 귀하는 VAT만 지불하고 상품이 회사에 도착할 때까지 기다리시면 됩니다.

2. 경쟁력 있는 가격

우리는 수많은 응용 분야에서 블레이드가 사용되는 것을 보아 왔으며 정확성, 내구성 및 타의 추종을 불허하는 경쟁력 있는 가격을 제공하여 귀하가 진행하는 모든 프로젝트를 처리할 준비가 되어 있습니다.

3. ODM 및 OEM 가능

도면, 스케치 또는 샘플을 제공하든, 우리는 귀하를 위해 도면을 그리고 제조할 수 있습니다. 또한 거의 모든 산업용 툴링 애플리케이션을 개선하기 위해 기존 설계 및 사양을 수정하는 데 도움을 줄 수 있습니다. 귀하의 특정 요구 사항에 대해 논의하려면 전담 영업 팀에 문의하십시오.

4. 품질 관리

품질을 관리하기 위해 첫 번째 제품 검사, 입고 자재 검사, 인증된 자재, 진행 중 품질 검사, 최종 품질 검사를 포함한 일련의 테스트와 검사를 수행합니다.

5. 유연한 조달, 무한한 협력

귀하가 수입업체, 유통업체, 도매업체 또는 최종 사용자이든, 우리는 최소 MOQ, 번거로운 문의 없음, 더 큰 구매의 자유를 통해 귀하의 참여를 환영합니다.

6. 해외 모니터, 생산 진행 상황 실시간 보고

당신의 전담 모니터가 되어, 생산 라인의 모든 중요 노드를 정기적으로 전송하세요. 아무리 멀리 떨어져 있어도 제품의 진행 상황을 최대한 파악하세요!