Hansheng Automation (Dongguan) Co., Ltd. is one of the most experienced manufacturers and suppliers of tungsten carbide cork knife in China. If you're going to wholesale bulk cost-effective tungsten carbide cork knife made in China, welcome to get pricelist and quotation from our factory. Also, customized service and OEM&ODM service are available.
The Hansheng tungsten carbide cork knife is engineered for high-speed tipping paper cutting on cigarette manufacturing equipment, including HAUNI MAX, Molins Mk8/Mk9, and GD series machines. Manufactured from YG6 grade tungsten carbide (hardness 89–93 HRA), each blade is precision-ground to 6×6×93mm with a tolerance of ±0.004mm.
Why choose tungsten carbide cork knife for cigarette wrapping paper cutting?
Designed for tobacco wrapping paper cutting, tungsten carbide cork knife square tipping blades are highly precise knives. Excellent cutting performance, durability, and great adaptability have made it a necessary part of the cigarette manufacturing line. From several angles-processing technology, material selection, product features-this article will thoroughly introduce the benefits of this knife and explain to you why it is the recommended option in the market.
Product Parameters
Our tipping knives are meticulously crafted to meet your specifications:
- Blade dimensions: 6 x 6mm with a tolerance of +/- 0.004mm, ensuring precision cutting.
- Right angle design for accurate and consistent cutting performance.
- Overall length: 93.00mm with a tolerance of +/- 0.5mm, providing optimal fit and functionality.
- Shaft length: 3.0mm with a tolerance of +0.03mm, ensuring secure attachment to the machine.
| Parameters | directions |
|---|---|
| Blade Dimensions | 6×6×93 mm |
| Tolerance | ±0.004 mm (blade), ±0.5 mm (length) |
| Material | Tungsten Carbide (YG6 grade) |
| Hardness | 89–93 HRA |
| Surface Treatment | TiN / TiAlN coating (optional) |
| Compatible Machines | HAUNI MAX, Molins Mk8/Mk9, KDF, GD series |
| MOQ | 10 pcs |
| Customization | Available per drawing |
| Origin | Dongguan, Guangdong, China |
Processing technology: exquisite craftsmanship ensures high performance
Advanced CNC tools are used in the manufacturing of tungsten steel square cork knives to guarantee the precise tool size and micron range control of the inaccuracy. To guarantee tool sharpness and longevity, the edge is honed and polished constantly.
| Vacuum Heat Treatment for Structural Integrity |
The tool is strengthened during manufacture using a high-temperature vacuum heat treatment method to preserve its hardness and strength in a high-load working environment. Furthermore low temperature tempering of the tungsten steel tool helps to further lower internal stress and prevent cracking issues over long term usage.
Some blade surfaces are covered in modern titanium or carbide coating technology to improve the corrosion resistance and wear resistance of the tool even more. Apart from enhancing the surface hardness, the coating efficiently lowers the friction coefficient during cutting and thus boosts the tool cutting efficiency.
Choice of materials: what distinguishes tungsten carbide?
Tungsten carbide is a chemical combining carbon with tungsten. Its great hardness and great wear resistance make this perfect material for industrial knives.
With a hardness of 89–93 HRA, tungsten carbide is somewhat near to the hardness of diamond. This helps cork knives to keep a sharp edge when cutting other complicated materials like high-density wrapping paper.
Ordinary knives are prone to wear in high-speed, continuous cigarette production lines because of friction; tungsten carbide materials considerably enhance the service life of the knives.
In high humidity and complex chemical conditions, tungsten carbide has great corrosion resistance and can sustain steady performance for a long time. It is especially appropriate for working situations in tobacco manufacture where chemical coatings could be encountered.
FAQ
Q: What cigarette machines are compatible with this tungsten carbide cork knife?
A: Our tungsten carbide cork knives are engineered to fit a wide range of tipping section assemblies used in mainstream cigarette manufacturing equipment, including HAUNI MAX, HAUNI PROTOS series, Molins Mk8, Molins Mk9, KDF series, and GD X1/X2 series machines. The standard 6×6×93mm dimension covers the majority of these platforms. For machines outside this range - such as older Molins or custom-configured lines - we manufacture to drawing, so please share your machine model and existing blade specifications when submitting an inquiry.
Q: What is the difference between YG6 and YG8 grade tungsten carbide for cork knives?
A: Both grades are cobalt-bonded tungsten carbide, but they serve different performance priorities. YG6 contains 6% cobalt binder, which yields higher hardness (89–91 HRA) and better wear resistance - making it the preferred choice for high-speed, continuous tipping paper cutting where edge retention is critical. YG8, with 8% cobalt, offers slightly lower hardness but improved toughness and impact resistance, which suits applications where the blade may encounter vibration or inconsistent feed tension.
Q: How often should the cork knife be replaced on a cigarette machine?
A: Replacement frequency depends on production speed, tipping paper type, and machine condition. Under normal continuous production conditions - typically 6,000 to 10,000 cigarettes per minute - a properly maintained YG6 tungsten carbide cork knife should deliver a service life of 800 to 1,500 operating hours before re-grinding is required. Full replacement is generally recommended after 3 to 5 re-grinding cycles, once dimensional tolerance can no longer be maintained within ±0.004mm. Indicators that replacement is overdue include visible edge chipping, irregular cut edges on the tipping paper, or increased reject rates at the inspection station.
Q: Can you provide custom sizes for non-standard cigarette machines?
A: Yes. As a direct manufacturer, we accept full custom orders based on customer-supplied drawings or sample blades. Customizable parameters include overall length, blade cross-section dimensions, shaft diameter and tolerance, edge geometry (square, angled, or radiused), and surface coating type (uncoated, TiN, or TiAlN). Typical lead time for custom orders is 15 to 25 business days depending on batch size and specification complexity. Please provide a 2D drawing in DWG or PDF format, our engineering team will confirm feasibility and tolerances before production.
Q: What is the minimum order quantity (MOQ)?
A: The standard MOQ is 5 pieces per specification. We also accept mixed orders across multiple SKUs within the cigarette machine spare parts range, which can help customers consolidate procurement. Sample orders of 2 to 5 pieces are available for new customers who require fit and performance verification before committing to a full production batch.
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