포장 기계 칼날

What do Packaging Machine Knives Mean?

Packaging machine knives, also known as packaging blades or form fill seal knives, are specialized cutting tools integrated into various types of packaging machinery. These knives perform a wide range of cutting and sealing functions essential for forming, filling, and sealing packages containing diverse products, from food and pharmaceuticals to industrial goods. The term “packaging machine knives” encompasses a broad category of blades designed for specific tasks within the packaging process, ensuring efficient and secure packaging.

Uses and Applications of Packaging Machine Knives

Packaging machine knives are integral to numerous automated packaging processes across various industries. Their key applications include:

• Form Fill Seal (FFS) Machines: Cutting and sealing flexible packaging films to create pouches, bags, and sachets. This includes horizontal and vertical FFS machines.
• Flow Wrapping Machines: Cutting and sealing the ends of wrapped products like candy bars, baked goods, and individual portions.
• Sachet Packaging Machines: Cutting and sealing small pouches or sachets containing powders, liquids, or granular products.
• Blister Packaging Machines: Cutting the formed blister cavities from the web and sometimes perforating or scoring the packaging.
• Cartoning Machines: Cutting and scoring cardboard blanks to form cartons and sometimes cutting and sealing inner bags or liners.
• Labeling Machines: Cutting labels from a continuous roll or perforating label stock.
• Shrink Wrapping Machines: Cutting the shrink film after it has been wrapped around a product.
• Bagging Machines: Cutting the filled bags from a continuous roll of bagging material.
• Vacuum Packaging Machines: Cutting the excess film after vacuum sealing a product.

Common Materials for Packaging Machine Knives

The materials used for packaging machine knives must be food-grade where applicable, corrosion-resistant (especially for food and pharmaceutical packaging), and capable of maintaining a sharp and durable cutting edge to ensure clean and reliable cuts at high speeds. Common materials include:

• Stainless Steel (e.g., 304, 420, 440 series): Stainless steel is widely used due to its excellent corrosion resistance, ease of cleaning, and ability to be sharpened. Different grades offer varying levels of hardness and wear resistance. For direct food contact, 304 stainless steel is a common choice.
• 고속도강 (HSS) Provides improved wear resistance and can maintain sharpness at higher operating speeds, suitable for demanding packaging applications.
• Alloy Tool Steel (e.g., D2, A2): Offers a good balance of hardness, toughness, and wear resistance, ideal for processing abrasive packaging materials or for high-volume production.
• 카바이드 팁 블레이드: Feature tungsten carbide inserts at the cutting edge, offering exceptional hardness and wear resistance for cutting tough or abrasive packaging films and extending blade life significantly.

The blades are often precision ground and may undergo hardening and tempering processes to achieve the optimal balance of sharpness and durability. Surface coatings like titanium nitride (TiN) can be applied to enhance surface hardness, reduce friction, and improve wear and corrosion resistance.

Common Packaging Blades Shapes

Packaging machine knives come in a diverse range of shapes and edge configurations tailored to specific cutting and sealing mechanisms within different packaging machines:

• Straight Cut-Off Knives: Long, straight blades used to make transverse cuts across the packaging material to separate individual packages.
• Rotary Cut-Off Knives: Circular or disc-shaped blades that rotate to cut the moving packaging film.
• Forming Shoulder Knives: Shaped blades used in FFS machines to cut and shape the film as it passes over the forming shoulder.
• Sealing Knives (Crimpers): Often have serrated or profiled edges and may be heated to create a heat seal while simultaneously cutting the film.
• Tear Notch Knives: Small, shaped blades that create tear notches in flexible packaging for easy opening.
• Perforating Knives: Blades with teeth or специально designed edges to create lines of perforations for easy tearing or venting.
• Slitting Knives: Circular or straight blades used to slit the packaging material longitudinally.
• Die-Cutting Blades: Custom-shaped blades used to cut specific outlines in packaging materials, such as for blister packs or shaped pouches.
• Guillotine Knives: Straight blades used in a guillotine-like action for cutting stacks of packaging material or individual sheets.

The working principle depends on the specific type of packaging machine and the knife’s function. Cut-off knives typically shear the material against a stationary anvil or another moving blade. Sealing knives use heat and pressure to fuse the layers of film together while also severing the excess material. Rotary knives provide continuous cutting action. The precision of the blade shape, the sharpness of the cutting edge, the applied pressure, and the synchronization with the machine’s movement are all critical for achieving clean, accurate cuts and strong seals in the packaging process.

" 언제든지 문의 환영합니다!

원하는 전단날을 찾지 못한 경우 당사에서 맞춤 제작도 가능합니다. "맞춤형 블레이드" 방법을 알아보세요!

브로슈어 열기

METAL을 선택하는 이유

1. 원스톱, 번거로움 없는 수입 서비스

번거롭지 않은 수입의 편리함을 누리세요. 운송부터 통관까지, 저희가 전체 과정을 처리합니다. 고객님은 VAT만 지불하시고 회사에 상품이 도착하기를 기다리시면 됩니다.

2. 경쟁력 있는 가격

저희 블레이드는 수많은 애플리케이션에서 사용되며 뛰어난 성능을 입증했으며, 고객님의 어떤 프로젝트든 처리할 준비가 되어 있습니다. 정확성, 내구성, 그리고 비교할 수 없는 경쟁력 있는 가격을 제공합니다.

3. ODM 및 OEM 가능

도면, 스케치 또는 샘플을 제공해 주시면 저희가 설계하고 제조해 드립니다. 또한 기존 디자인 및 사양을 수정하여 거의 모든 산업용 공구 응용 분야를 개선하는 데 도움을 드릴 수 있습니다. 특정 요구 사항에 대해 논의하려면 전담 영업팀에 문의하십시오.

4. 엄격한 품질 관리

품질 관리를 위해 초기 샘플 검사, 입고 자재 검사 및 자재 인증, 공정 중 품질 검사, 최종 품질 검사를 포함한 일련의 테스트와 검사가 수행됩니다.

5. 유연한 조달, 무제한 협력

수입업체, 유통업체, 도매업체 또는 최종 사용자이든 상관없이 최소 MOQ, 번거롭지 않은 문의 및 더 많은 구매 자유를 통해 귀하의 참여를 환영합니다.

6. 해외 모니터, 생산 진행 실시간 보고

귀하의 전담 모니터가 되어 생산 라인의 모든 중요한 지점에 대한 정기적인 정보를 제공합니다. 아무리 멀리 떨어져 있어도 제품의 진행 상황을 최대한 파악할 수 있도록 돕겠습니다.