Hansheng Automation (Dongguan) Co., Ltd. is one of the most experienced manufacturers and suppliers of circular carbide blade in China. If you're going to wholesale bulk cost-effective circular carbide blade made in China, welcome to get pricelist and quotation from our factory. Also, customized service and OEM&ODM service are available.
Circular carbide blades for cigarette filter cutting are precision disc-shaped cutting tools manufactured from tungsten carbide - one of the hardest tool materials available. In high-speed tobacco processing equipment, the cutting blade is a consumable that directly determines cut quality and machine uptime.
Hansheng supplies these blades with controlled dimensional tolerances on outer diameter, thickness, and bore, ensuring drop-in compatibility with standard cigarette filter cutting machines. Custom specifications are accepted based on customer drawings or OEM part numbers.
Specification
| Parameter | Details |
| Condition | New, 100% |
| Application | Cigarette filter cutting, tobacco processing machinery |
| Common Sizes (mm) Custom | 100×15×0.20 / 100×15×0.30 / 100×15×0.35 / 100×45×0.20 / |
| Blade Material | Tungsten carbide (WC-Co grade) |
| Surface Treatment | Optional TiN or CrC coating for extended service life |
| Weight | Approx. 0.1 kg (varies by size) |
| Place of Origin | Dongguan, Guangdong, China |
| Applicable Machines available | Standard cigarette filter-making machines; custom spec |
| Customization reference | OEM/ODM accepted – supply drawing or sample for |
Key Features
Consistent Edge Geometry
CNC finish-ground to ±0.005 mm dimensional tolerance, ensuring uniform, concentric cutting edge for straight, burr-free cuts at high speeds.
01
Tungsten Carbide Construction
Made from WC-Co (tungsten carbide with cobalt binder). Mohs hardness 9–9.5 for wear resistance; cobalt binder adds toughness to prevent brittleness.
02
Extended Service Life
Outlasts HSS blades significantly, reducing change-out frequency and machine downtime in continuous production.
03
Heat Stability During High-Speed Cutting
Retains hardness at elevated temperatures where HSS softens. Optional TiN coating reduces friction and heat buildup.
04
Dimensional Accuracy for Drop-In Replacement
Tight tolerances on thickness and bore diameter (surface-ground and precision-turned) ensure vibration-free fitment and direct OEM replacement.
05
How These Blades Are Made
Producing a reliable circular carbide blade for tobacco machinery requires more than sourcing carbide stock. The dimensional precision, surface finish, and edge consistency all come down to the manufacturing steps and equipment used.
Carbide Blank Preparation
Sintered WC-Co blanks (tungsten carbide powder + cobalt binder) are pressed and sintered into dense discs. Blank density and grain structure are verified before machining - inconsistencies here carry through to the finished blade.
Precision Grinding and Profile Shaping
Carbide cannot be cut with conventional tools. Shaping OD, thickness, and bore requires CNC surface and cylindrical grinding with diamond wheels. Hansheng achieves ±0.005 mm standard tolerance, with ultra-fine finishing to ±0.002 mm available.
Wire EDM for Intricate Features (where applicable)
For keyways, flats, or non-standard bores, Hansheng uses a Seibu WEDM M50B - a Japanese precision wire-cut machine - enabling clean, burr-free features without mechanical stress.
Surface Coating (optional)
For extended life or corrosion resistance, blades receive PVD coating (TiN or CrC). Coating is applied after grinding to avoid affecting final tolerances.
Dimensional Inspection
Each batch is inspected for OD, bore, thickness, flatness, and edge run-out on dedicated measurement equipment. Out-of-tolerance blades are rejected - not reworked.
FAQ
Q: Can you match an OEM blade from our existing machine?
A: Yes. If you can supply the original blade as a sample, or provide a dimensional drawing with tolerance callouts, Hansheng can manufacture a replacement to those specifications.
Q: What is the typical blade material grade?
A: Standard blades use WC-Co tungsten carbide. Cobalt content and grain size can be adjusted to balance hardness and toughness depending on the cutting application - finer grain grades suit high-precision cuts; slightly tougher grades may be preferred where blade chipping is a concern.
Q: How do I know when a carbide blade needs replacing?
A: Common indicators include visible chipping or notching on the cutting edge, increased burring or ragging on the filter cut face, audible change in machine tone during cutting, or measurable drift in cut-length consistency. Carbide blades should never be used past visible edge damage as this can score the machine's pressure rollers.
Q: Do you offer TiN-coated versions?
A: Yes, TiN coating is available as an option. It reduces friction at the cutting interface and slows oxidative wear, which can be beneficial in high-speed continuous operation. Please specify when enquiring if coating is required.
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