一种局部双层曲面超塑成形 / 扩散连接零件成形方法
By employing a local double-layer curved surface superplastic forming/diffusion bonding method, the problems of large milling volume, uneven thickness, and multiple thermal cycles in parts have been solved, achieving efficient forming and quality control of parts while reducing processing difficulty and cost.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- AVIC XIAN AIRCRAFT IND GRP CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies for processing locally double-layer curved surface superplastic forming/diffusion connection parts suffer from problems such as large milling volume, uneven thickness, poor positional accuracy, and high manufacturing costs, and require multiple thermal cycles and manual finishing.
The local double-layer curved surface superplastic forming/diffusion bonding method is adopted. Through CNC milling, pre-forming, anti-weld flux coating, gas circuit welding, diffusion bonding and superplastic forming, a one-time thermal cycle forming is achieved. The diffusion bonding area is controlled and formed by gas pressure and mechanical pressure.
This achieves uniform pressure on the surface of parts, reduces mold closing requirements, simplifies processing, improves product quality, and reduces manufacturing cycle and cost.
Smart Images
Figure CN120421929B_ABST