Precision Broached Ring Gears – Custom Forged Gear Solutions

Engineering Excellence in Internal Gear Manufacturing

---

Technical Superiority

1. Advanced Broaching Technology

Our CNC-controlled vertical broaching machines achieve unparalleled accuracy in internal gear production:

• Tolerance: ±0.005mm (ASME Y14.5 standards)

• Tooth Profile Accuracy: AGMA Class 10-12

• Surface Finish: Ra 0.8μm (32μin) max

• Maximum Diameter: 800mm (31.5″)

2. Material Expertise

3. Customization Capabilities

• Tooth Specifications: Module 1-10, Pressure Angle 14.5°-25°

• Special Features: Chamfered edges, oil grooves, anti-wear coatings

• Certifications: ISO 9001:2015, IATF 16949 (automotive)

---

Industry-Specific Solutions

Automotive Excellence

• Differential Ring & Pinion Sets

  • Noise-optimized tooth contact patterns

  • Laser-etched timing marks for assembly precision

• Transfer Case Gears

  • Carburized surfaces for wear resistance
  •    Dynamic balancing to <0.5g·mm/kg

Heavy Machinery

• Mining Gearbox Components

  • Shot-peened surfaces for fatigue resistance

  • Custom backlash control (±2 arc-min)

• Wind Turbine Yaw Drives

  • Large-diameter internal gears (up to 800mm)

  • Salt spray corrosion protection

---

Quality Assurance Protocol

Stage 1 – Raw Material Inspection

• Spectrochemical analysis (OES)

• Ultrasonic testing for forging defects

Stage 2 – Process Monitoring

• In-process CMM checks (Hexagon Global Classic)

• Tooth profile scanner (Gleason GMM)

Stage 3 – Final Validation

• 100% hardness mapping (Wilson Rockwell testers)

• 3D surface roughness analysis (Alicona InfiniteFocus)

---

Why Choose Us?

✔ 35+ Years in precision gear manufacturing
✔ Dedicated R&D Team for custom tooth optimization
✔ Fast Turnaround – 18-day standard lead time
✔ Cost Efficiency – 20% lower than EU/US competitors
✔ Complete Documentation – PPAP, FAIR, COC

---

Project Workflow

1. Design Consultation – Free DFM report within 24h

2. Prototyping – 3D-printed wax patterns available

3. Production – Closed-die forging + precision broaching

4. Post-Processing – Heat treatment & surface finishing

5. Global Shipping – DDP terms with customs clearance