1064 THE BELL SYSTEM TECHNICAL JOURNAL, NOVEMBER 1952 



Fig. 36 — Hand operated wrapping tool for installation and repair service. 



Basic Principles of Wrapping Tools 



A drawing of the arrangement and action of a wire wrapping tool is 

 shown in Fig. 33. There are a number of dimensions of the tool and of 

 the terminal which have engineering importance. For the purposes of 

 this paper, it will suffice to note that the radius, r, and the wall thick- 

 ness, w, are important in producing the best wrapped connection. 



As shown in Figs. 34 and 35, the inner member of the tool rotates 



Fig. 37 — Wrapping tool operated by air pressure for factory use. 



