Explore our highly-engineered industrial blades designed for plastic processing, battery film slitting, recycling systems, and paper mills.
A Comprehensive Industry Whitepaper on Tungsten Carbide, TiCN Cermets, and High-Performance Slitting Systems
In modern high-speed manufacturing, the performance of the cutting blade is a critical factor determining overall equipment effectiveness (OEE). The choice of substrate material directly governs tool life, cut edge quality, and down-time metrics. At Sichuan Shen Gong Carbide Knives Co., Ltd., we develop, refine, and manufacture two main classes of high-performance cutting materials: Tungsten Carbide (WC) and Titanium Carbonitride (TiCN)-based Cermets.
Tungsten Carbide composite materials consist of hard carbide grains cemented together by a ductile metal binder (primarily cobalt). By manipulating the grain size of the WC phase (ranging from submicron to ultra-fine grain structures) and adjusting the cobalt content, we can precisely customize the balance between hardness (which provides wear resistance) and toughness (which provides resistance to mechanical shock and chipping).
For applications where ferrous metals are processed at high temperatures, or where chemical stability is required, TiCN-based cermet materials present an exceptional solution. Unlike traditional cemented carbides, cermets offer a highly stable chemical structure with an extremely low affinity for iron. This prevents the formation of a built-up edge (BUE) on the cutter, leading to excellent surface finish results and extending tool life in dry machining environments.
For decades, China has served as the hub for advanced metallurgy, possessing the world’s largest reserves of tungsten ore. However, the true advantage of Sichuan Shen Gong lies in our vertically integrated production capability. Situated in the industrial cluster of Chengdu, we control the entire processing chain—from RTP (Ready-To-Press) powder synthesis through to precision thermal processing and final mirror-finish grinding. This level of process control ensures batch-to-batch consistency that conforms directly to strict ISO 9001 quality guidelines, offering global buyers a stable, cost-effective, and technically superior alternative to European and Japanese industrial blade brands.
Carbide blades engineered for a wide range of challenging industrial slitting and cutting applications.
High-wear resistance blades designed for the continuous processing of synthetic fibers, staple fibers, and technical textiles.
High-precision steel and carbide slitting knives engineered for processing silicon steel sheets and non-ferrous metal coils.
Ultra-thin design ensuring clean, dust-free cutting and sizing of multi-layer corrugated cardboard boxes.
Durable, impact-resistant shear blades for crushing and granulating heavy plastic and rubber materials during recycling.
Industrial razor blades optimized for plastic film, tape, and foil conversion processes, maintaining extreme edge sharpness.
Symmetric mirror-finish blades for high-speed cutting of lithium battery cathode/anode separator materials.
High-grade bottom knives utilized in paper slitting and rewinding machines to deliver precise dimensional stability.
Engineered circular blades for industrial cardboard cores, tube slitting, and air filter paper manufacturing.
Established in 1998 in Chengdu, Sichuan, Southwest China, Shen Gong is a national high-tech enterprise specializing in the research, development, manufacturing, and sales of cemented carbide industrial knives and blades for over two decades. Over the years, we have grown from a local workshop into a global industrial tool supplier.
Shen Gong operates fully-equipped production lines for WC-based cemented carbide and TiCN-based cermet industrial blades. Our capabilities span the entire manufacturing workflow—from RTP powder preparation to precision vacuum sintering, mirror grinding, and dynamic balancing. We take pride in delivering robust, high-performance tooling solutions that enhance output and minimize machine downtime.
Providing professional, reliable, and durable industrial knives for critical manufacturing sectors worldwide.
Production is carried out in strict accordance with our ISO9001 certified quality system, ensuring dimensional consistency across every production batch.
View Details
Rooted in knives, but going beyond the tool. Our technical R&D team works closely with you to resolve complex industrial slitting and cutting challenges.
View Details
We provide chemical, mechanical, and geometric analyses, evaluating microstructural composition to recommend the optimal material grades.
View Details
Promoting sustainable manufacturing practices. We offer professional re-sharpening and recycling services for used carbide tools to reduce operational waste.
View Details
Our sales support team provides multilingual services, ensuring all RFQs and technical inquiries receive a detailed response within 24 hours.
View Details
Partnering with major international logistics networks, we guarantee safe, traceable, and rapid shipping to industrial sites worldwide.
View DetailsExplore our application-focused engineering designed to meet the technical requirements of global manufacturing sectors.
Application & Challenges: Slitting cathode and anode electrodes for lithium-ion batteries is a demanding application. The active material coating on copper and aluminum foils is abrasive, while the requirement for burr-free edges and zero notch-defects is vital to prevent electrical short-circuits.
The Shen Gong Solution: As one of the early developers of precision battery slitting knives in China, we manufacture ultra-fine grain tungsten carbide rotary blades with mirror-finished cutting edges (micro-roughness Ra < 0.02μm). Our proprietary binder formulation reduces material adhesion on the cutting face, which prevents build-up and maintains cutting stability at high speeds.
Request Technical DataApplication & Challenges: Size reduction machines, granulators, and pelletizing lines process highly abrasive glass-filled plastics and contaminated rubber waste, requiring blades that can withstand impact and heavy abrasive wear.
The Shen Gong Solution: We supply heavy-duty, high-impact carbide pelletizing knives and shredder blades. By utilizing specialized sintering processes, we achieve a homogeneous carbide structure that delivers excellent impact strength, reducing chipping under high mechanical loads.
Explore Recycling BladesApplication & Challenges: High-speed winding and cutting of synthetic, polyester, and staple fibers generate friction heat that can degrade blade edges, leading to fraying and out-of-tolerance cuts.
The Shen Gong Solution: Our razor-sharp slitting blades for synthetic fibers are engineered with tight tolerance controls for straightness, symmetry, and surface finish. This design helps minimize friction heat and maintains smooth, clean fiber cuts.
Fiber Cut SolutionsApplication & Challenges: Modern packaging operations rely on high-speed slitter-scorers. Poorly tuned blades can produce high levels of paper dust, which compromises print quality and creates safety hazards in the factory.
The Shen Gong Solution: As a high-volume manufacturer of corrugated slitter-scorer knives, we supply ultra-thin carbide circular knives. These blades are designed to keep dust generation low, and we also provide matching resharpening wheels and cross-cut accessories to support your plant operations.
Corrugated CatalogApplication & Challenges: Packaging and printing processes require clean slitting of multi-layer laminated films, complex paper stock, and self-adhesive labels.
The Shen Gong Solution: Our carbide slitting circular blades are treated with anti-adhesion and corrosion-resistant coatings to prevent adhesive transfer. This helps minimize dust and wear when processing high-volume print runs.
Printing & Paper SolutionsApplication & Challenges: Rotary shear slitting of silicon steel sheets, copper foil, and electrical steel requires high-precision spacing and minimal clearances to prevent burr formation.
The Shen Gong Solution: We supply high-precision coil slitting knives and spacer rings. These tools are finished to demanding axial runout and parallelism tolerances, providing reliable performance in silicon steel processing lines.
Sheet Metal ToolsIn high-speed industrial slitting, blade failures typically occur through three mechanisms: abrasive wear, adhesive wear, or mechanical chipping. Our engineering team addresses these challenges by focusing on microstructural optimization. During the sintering process, we apply high pressure (HIP - Hot Isostatic Pressing) to eliminate residual micro-porosities, enhancing the transverse rupture strength (TRS) of the tungsten carbide. Additionally, we customize blade bevel configurations (single bevel, double bevel, compound angles) and edge treatments to balance cutting force requirements with mechanical durability. For applications processing highly abrasive materials, we also design custom ceramic slitting knives, which offer chemical inertness and high heat resistance to help control long-term operating costs.
International procurement departments face critical challenges regarding supplier validation, product consistency, and supply chain transparency. Sichuan Shen Gong addresses these needs through structured quality assurance protocols:
Stay informed with the latest updates, event announcements, and technical case studies from our manufacturing team.
Expert answers to common questions about selecting, processing, and maintaining industrial cutting blades.
Explore our high-precision medical blades, paper perforating knives, rotary slitters, and specialized cermet inserts.
Shen Gong Carbide
