精密フライスカッター,あらゆる材料を加工するCNC用の切削工具
Solid Carbide Drill Bits | Definition & Core Advantages
Solid carbide drill bits are full-body tungsten carbide tools engineered for high-precision metal drilling. Optimized for stainless steel, titanium alloys, and hardened steels (HRCの 65+), they deliver 3-5× longer lifespan than HSS drills with superior heat resistance – the professional choice for demanding industrial applications.
Engineering Advantages
1. Extreme Wear Resistance
Solid carbide construction provides 5-8× greater durability than HSS, enabling 500+ holes per tool and reduced cost-per-hole.
2. Micron-Level Precision
- ±0.005mm diameter tolerance (DIN6535 h6 standard)
- Fully ground profile with ≤0.003mm runout
- 140° point angle reduces thrust force
3. Optimized Chip Control
28°-35° helix angle with dual relief angles prevents clogging during deep-hole drilling (5×D+). Rigid shank designs (S-type/arc-type) minimize vibration.
4. Smart Material Adaptation
Processes ISO K/M/S materials including hardened steels (HRC45-65). TiAlNの (general), TiCN (wear-resistant), AlCrN (high-temp) coatings boost tool life 30-80%.
Technical Specifications
| Parameter | 仕様 |
|---|---|
| Diameter Range | 0.5-25ミリメートル (custom) |
| フルートの長さ | 3×D / 5×D / 8×D / 12×D |
| Shank Types | Straight / Weldon / Coolant-through |
| 材料 | Micrograin Tungsten Carbide (HRA93.5, TRS ≥4200N/mm²) |
| Coatings | TiAlNの (2-4μm) / TiCN / AlCrN (μ≤0.4) |
| Hardness Range | HRC20-65 |
| Max RPM | 15,000 (material-dependent) |
Industry Applications
- Aerospace: Titanium structural components (±0.01mm tolerance)
- 自動車: Engine block deep-hole drilling (15×D capability)
- Mold & Die: HRC40-45 tool steel cavities (Ra0.4 surface finish)
- Medical: Implant micro-drilling (Ø0.5mm minimum)
- Energy: Turbine blade cooling channels
Selection Guide
1. Material-Specific Selection
- Stainless/superalloys: TiAlN-coated
- Aluminum/copper: Polished flute/uncoated
- 複合 材料: Specialty coatings
2. Operation-Optimized Design
- Deep-hole (L/D>5): Coolant-through + stepped flutes
- Thin-wall: 140° short-length drills
- Precision: h6 ground drills
3. Production Volume Solutions
- High-volume: Custom compound drills
- Prototyping: 3×D standard + quick-change holders
Expert Tip: For hardened steels (>HRC50), use AlCrN coating with negative rake geometry. Manual operations require ≤3×D flute lengths.
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