The aim of the guideline is to achieve as uniform a language as possible in research and teaching, practice and profession as well as in literature, meaning that as many people working in this field as possible mean and understand the same thing when a certain term is mentioned.*www.vdi. de/2127
VDI 2127-1993 history
1993VDI 2127-1993 Technical principles of mechanisms; terminology of mechanisms
1988VDI 2127-1988 Getriebetechnische Grundlagen; Begriffsbestimmungen der Getriebe
1962VDI 2127-1962 Fundamentals of the technology of mechanism design; definition of gearing