Anti-Rotation Nut with Gear Transmission Structure

This product is an anti-rotation nut designed for applications such as sunroof systems and curtain rod transmission mechanisms.

A gear-driven rotating disc is assembled inside the slot, enabling smooth and reliable torque transmission.

• Material: 45# Carbon Steel
• Surface Treatment: Yellow Zinc Plating (corrosion resistance)

 Process Optimization

Traditional Machining Process:
Cutting → Drilling → Slot Milling → Turning → Threading → Plating

Optimized Process (Multi-Station Cold Forging):
Cold forging (one-step forming) → Threading → Plating

 Key Advantages

Reduced processing steps – simpler production flow
Lower manufacturing cost – less machining required
Significantly higher productivity:

• Before: ~2,000 pcs/day
• Now: ~30,000 pcs/day

15× productivity increase

Better consistency – ideal for mass production
More competitive pricing – helps customers reduce total cost