【摘要】 着重阐述在高速定时分件供送螺杆基础理论的系统研究中，长期以来未能很好解决的一些难题，进一步探讨合理设计变螺距螺旋线的新方法以及确定有关参数的若干准则。更多还原

【Abstract】 This paper focuses on siome puzzlers which haven’t been answered so far in this field researching foundationaltheory of the high speed timing screw used in conveying for various types of tobtles and cans. Its major contents include a crucial part: how to rational design the varying pitch helix and suitally determine the main parameters.更多还原