摘要
就无键联接与有键联接的强度和结构进行计算与比较，并提出了无键联接的特点。
This paper carries out calculation and comparison on the strength and structure between keyless joint and key joint, and puts forward characteristics of keyless joint.
关键词
键联接
无键联接
强度
标准件
key joint
keyless joint
strength
standard component
