Carbide Drill Bit Processing Case Sharing
Carbide Drill Bit Processing Case Study
Unique drill point design and optimized flute structure achieve a balance of sharpness and strength, enabling smooth chip evacuation
Product Features
Optimal Point Angle
Appropriate point angle provides excellent self-centering capability and improves hole machining quality.
Wide Applicability
Suitable for efficient machining of various materials including P-class (steel), M-class (stainless steel), K-class (cast iron), and S-class (heat-resistant alloys).
Specialized Performance
Particularly effective for long-chipping materials such as high-elongation steels and austenitic stainless steel.
Test Summary
Machining Process
Drilling
Hole diameter: 12.85mm
Hole depth: 22mm
Workpiece Material
20CrMo alloy steel
Machining Equipment
Swiss-type lathe: TSUGAMI (S205A)
Coolant System
Oil coolant
Modified internal coolant tube
Water pressure: 20kg/cm²
Tool Specifications
Tool Holder
TSHB22-14
Internal Coolant Drill
CD301A-1250-60-14P-M
(D12.5 drill)
Machining Parameters
Cutting Speed
Spindle Speed
Feed Rate
Tool Life Comparison
New Tool Performance
Total machining depth: 189 meters
Customer's Original Tool
Previous performance benchmark
Performance Improvement
Life extension achieved
Drill Bit Wear Condition
Conclusion
Through technical selection, parameter optimization guidance, and technical support, we significantly improved chip-breaking performance, ensuring smooth chip evacuation. This optimization reduced cutting temperatures and prevented chip entanglement. The result was enhanced drill durability, extended tool life, and reduced frequency of drill changes. Ultimately, these improvements substantially reduced the customer's tooling costs while significantly increasing production efficiency.