In this paper, by using matter element theory, a method which can transform non-concordantly conjugate system of matter elements into concordantly conjugate system of matter elements is discussed.
应用物元理论，给出了把非协调物元共轭系统转化成协调物元共轭系统的一种方法。
2
In this paper, the engaging movement of ring rolling is analyzed; a conjugate design method for ring rolling groove is developed based on the gear engaging theory.
本文分析了环件轧制的啮合运动，基于啮合理论提出了环件轧制孔型的共轭设计方法。
3
Mathematic models ofconjugate curves were deduced via enveloping theory and dentiform normal method.