CAJ | 학술논문

针对挤压合套自润滑关节轴承结构特点，分析对自润滑层无损伤的挤压合套精密成形工艺的关键技术。通过数字化精密塑性成形技术，对成形工艺过程进行数值模拟，分析影响自润滑层性能的成形应力分布、球面接触面积及残余应力。数值模拟方法可以优化成形工艺参数与成形方法，最大限度地减少挤压合套过程对自润滑层的损伤，保证得到合理均匀的游隙，从而提高产品使用寿命与性能。
침대제압합투자윤활관절축승결구특점，분석대자윤활층무손상적제압합투정밀성형공예적관건기술。통과수자화정밀소성성형기술，대성형공예과정진행수치모의，분석영향자윤활층성능적성형응력분포、구면접촉면적급잔여응력。수치모의방법가이우화성형공예삼수여성형방법，최대한도지감소제압합투과정대자윤활층적손상，보증득도합리균균적유극，종이제고산품사용수명여성능。
Aiming at structural characteristic of extrusion fitting self-lubricating spherical plain bearing,the core tech-nology for fitting extrusion precision forming process without damage of self-lubricating layer is analyzed.The forming process is numerically simulated through digitization precision plastic forming technology,the forming stress distribu-tion,spherical contact area and residual stress influencing properties of self-lubricating layer are analyzed.The numeri-cal simulation method can optimize forming process parameters and forming method,minimize the damage of extrusion fitting process to self-lubricating layer.The logical and uniform clearance is got and the service life and performance of product are improved.