打ち抜き刃 / ミシン目刃

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:

• 包装産業： 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.
• 食品加工： 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.
• 製造： 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:

• 高速度鋼 (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.
• 工具鋼: 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.
• ステンレス鋼: 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.
• タングステンカーバイド 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:

• ストレートブレード: 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.
• 歯付きブレード: 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.
• カスタム形状： 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

METALを選ぶ理由

1. ワンストップのストレスフリーな輸入サービス

シームレスな輸入の利便性をお楽しみください。輸送から通関まで、私たちが全プロセスを処理します。お客様はVATを支払い、商品が会社に到着するのを待つだけです。

2. 競争力のある価格設定

当社のブレードは数え切れないほどの用途でその性能を発揮しており、お客様からどのようなプロジェクトをご依頼いただいても対応可能です。精度、耐久性、そして比類のない競争力のある価格をご提供します。

3. ODM & OEM 対応

図面、スケッチ、サンプルをご提供いただければ、当社で設計・製造いたします。既存の設計や仕様の変更を支援し、あらゆる産業用工具の用途を改善する能力も備えています。具体的なご要望については、当社の専門営業チームまでお問い合わせください。

4. 厳格な品質管理

品質管理のために一連のテストと検査が実施され、これには初回品検査、入荷材料検査と材料証明書確認、工程内品質検査、最終品質検査が含まれます。

5. 柔軟な調達、無制限の協力

お客様が輸入業者、販売業者、卸売業者、最終ユーザーのいずれであっても、最小限のMOQ、お問い合わせの手間なし、より自由な購入で、お客様の参加を歓迎します。

6. 海外モニター、生産進捗リアルタイムレポート

お客様専属のモニターとして、生産ラインのあらゆる重要な進捗を定期的にご報告いたします。どんなに遠く離れていても、製品の進捗状況を可能な限り正確に把握いただけます。