20 Years Construction Machinery Parts Supplier in Manufacturing Cemented Carbide Production - KOIHO
How Tungsten Carbide Tips for Cutting Picks Are Produced?
How Koiho Carbide Tips Are Made？
As the core component of mining picks, carbide tips directly impact mining efficiency. Unlike 80% of competitors who outsource production, Koiho controls quality end-to-end with our in-house alloy lab and ISO-certified factory.
Tungsten carbide tips are essential for cutting picks used in mining, and their production involves several precise steps to ensure quality and performance.
5 Key Steps to Premium Carbide Tips
-
Smart Material Mix
- Uses imported tungsten carbide (90%+ purity) and high-cobalt alloys (7-12% Co)
- Custom recipes for different rocks (100,000+ geological profiles)
-
Precision Pressing
- Special pyramid shape cuts faster
- Hydraulic presses apply 300+ MPa pressure
-
Density-Boost Sintering
- 1,400°C heat + 100 MPa pressure
- Reduces air gaps to <0.2%
-
Laser-Sharp Finishing
- Accuracy: ±0.008 mm (hair-thin precision)
- Smooth surface prevents tip loss
-
Robot-Assembly
- Automated welding at 800°C (±5°C)
- X-ray checks every joint
Why Miners Choose Koiho
✅ Lasts 2x longer in granite/quarry tests
✅ Zero tip loss since 2019
✅ 48-hour custom solutions
This process ensures the tips meet high standards, explaining why brands like Koiho are favored globally.