风电齿轮热处理技术现状和趋势

从技术体系、选材、设备仪表、淬火介质和检测技术方面,回顾了40年来我国风电热处理技术的历史进展;分析了化学成分、淬透性、带状偏析、纯净度、硬化层设计等关键热处理技术指标和齿轮强度基础数据研究现状,以及国内与国际先进水平的差距;归纳了技术路线应聚焦于:齿轮强度提升、原材料改善,绿色节能介质推广、自动高效装备应用,虚拟热处理应用等5个方面;提出了感应淬火全齿宽淬硬、清水淬火、高效强化喷丸、高温渗碳、连续设备及虚拟热处理关键技术将主导风电齿轮热处理工艺与装备“绿色”、“智能”、“精确”的发展趋势。

Situation and trend of heat treatment technology in wind power gear

Historical progress of wind power components heat treatment technology in China was reviewed, from the aspects of technical system, material choosing, equipment and instrument, quenching medium and test technology over the past 40 years. The research status of gear strength and the key heat treatment technical indicators such as chemical composition, hardenability, banding, purity, case depth design were analyzed. In addition, the gap between domestic and international advanced level was also analysed. The technical route in future should be focus on 5 aspects including strength improvement, raw material enhancement, promotion of green and energy-efficient medium, automatic and high-efficiency equipment application, and virtual heat treatment using. The key technologies of full face width induction hardening, pure water hardening, high-efficiency shot peening, high-temperature carburizing, continuous equipment and virtual heat treatment will lead the wind power gear heat treatment process and the equipment development trend of green, intelligence, and precision.