Blog
Slitter Rewinder Knife Series (Part III): How to Select and Maintain Rewinder Knives
2025-09-08
This article illustrates four typical issues with rewinder knives—chipping & fuzzy edges, adhesion, short lifespan, and misalignment—and their solutions. It summarizes three key principles for selecting knives (material, speed, cost) and five essentials for maintaining knives (inspection, grinding, cleaning, clamping, data tracking). The key message: there is no universal answer, only tailored solutions. Finally, it encourages customers to consult OTMAS for customized support.
2025
09-08
Slitter Rewinder Knife Series (Part II): Comparing Knife Types, Advantages & Evolution
2025-09-08
This article uses everyday examples of cling film and packing tape to introduce the types and evolution of rewinder knives. From the earliest HSS bottom knives, to brazed carbide, and finally to today’s solid carbide knives, each upgrade has responded to the rising demands of production speed and precision. The article also compares disc versus flat-edge top knives, and summarizes the advantages, disadvantages, and application scenarios of different bottom-knife materials—helping users quickly identify the most suitable knife combination.
2025
09-08
Slitter Rewinder Knife Series (Part I): Applications of Rewinder Knives
2025-09-08
This article, starting with the everyday example of cling film at a fruit shop, introduces the key role of rewinder knives in transforming master rolls into small rolls. Why produce large master rolls before slitting? Why are there disc top knives, HSS bottom knives, and carbide bottom knives in so many variations? After reading, you’ll better understand the value of rewinder knives—and how to choose the right ones based on your production needs.
2025
09-08
2025-09-04
Common knife issues in corrugated board production lines include chipping, fuzzy edges, adhesion, and misaligned cuts. Drawing on real cases, this article analyzes possible causes and practical solutions, and distills several useful guidelines for selecting knives—helping readers understand how to choose the right corrugated knives based on line speed, paper characteristics, and production goals. Finally, it emphasizes that specific problems must still be addressed in the context of actual operating conditions, with customized solutions from professional teams.
2025
09-04
Corrugated Knife Series (Part II): Why Choose OTMAS Corrugated Slitting Knives?
2025-09-04
By reviewing the history of corrugated board production lines and the breakthroughs of industry leaders, this article highlights an unavoidable pain point: the persistent tool wear and cost challenges in high-speed lines. Against this backdrop, OTMAS delivers higher value solutions through material optimization, process improvements, matched grinding systems, and customization capabilities—helping customers achieve the optimal balance between efficiency and cost.
2025
09-04
Corrugated Knife Series (Part I): A Comprehensive Overview of Corrugated Paper Slitting Knives
2025-09-04
Behind every corrugated carton lies a high-speed, precision-coordinated production line, where the slitting knife plays a critical role. From traditional steel blades to tungsten carbide knives, the choice of tool not only determines the quality of the cut but also affects efficiency and cost. OTMAS offers corrugated knife solutions compatible with multiple production line brands, helping customers strike the optimal balance among durability, accuracy, and cost-effectiveness. If you would like to learn more about the most suitable knife solutions for your production line, we welcome you to contact us.
2025
09-04
What Is Virgin Tungsten Carbide? What Is Recycled Carbide?
2025-08-01
Not all tungsten carbide is created equal. This article breaks down the difference between virgin and recycled carbide—explaining why purity matters, where recycled materials still shine, and how OTMAS helps customers choose the right material for their cutting tools.
2025
08-01
More Than a Blade: The Silent Work of Tungsten Carbide Slitter Knives
2025-07-30
Not sure which slitter blade suits your application? Need custom blade geometry, material composition, or machine compatibility? Contact us for one-on-one technical advice and tailored solutions. Our engineering team will provide expert support based on your specific cutting needs.
2025
07-30
My Story: A Journey of Customizing a Circular Blade in Germany
2025-07-17
This is a true journey of customization. A single circular blade, under the stringent demands of German clients, underwent rigorous testing, material optimization, and process refinement. Through persistent technical breakthroughs and seamless team collaboration, we not only achieved a high cost-performance ratio but also established a robust production and quality control system, embodying the power of craftsmanship and perseverance.
2025
07-17
The Blade's Karma: A Vibration Knife's Brief History of Life
2025-07-08
A vibration blade recounts its journey from tungsten powder to precision cutter, tracing each transformation—from pressing and sintering to final inspection and duty on the IECHO line. Through its quiet reflections, the story reveals the unsung bond between blade and craftsman, and the fate written into every edge.
2025
07-08