Downloaded from https://www.everyspec.com TOLERANCE CIRCLE TOLERANCE CIRCLE MIN. HOt. MIN. HOLE ALT. LOW~,, .500 DIA. r MAX. HOLE MAX. HOLE ALT. LOCATION .503 DIA, Figure 5-20. Gaging pm in maximum and minimum holes solid and dotted. The areas in which the centers locational tolerance system, since he will of the maximum and minimum holes may vary specify round pins in the gages, regardless of are shown as circles inscribed in the center of whether the location of the holes is shown by tol- the pin. The diameter of the tolerance zone in erance coordinates, except in special applica- which the minimum hole may vary is 0.002, tions.
In order to explain the definftion of a de- shown on drawing as W []. The diameter of pendent locational tolerance symbol when shown the tolerance zone in which center of the maxi- as , figures 20 and 20A of Drawing 30- mum hole may vary is 0.005, the locational tol- 1-7 are reproduced here in figure 5-21. erance 0.002 plus the diametral tolerance 0.003. The geometry of the part determines the re- The de~sign engineer should bear in mind that quirement, and since the part is c l.ndrical it the gage engineer will employ the dependent is obvious that the requirement I refers 1.800 DIA. -1.500-.002 . - -0- - 1.000.002RECEIVER Li •±_.004 A 8 DIA. Figure 5 .21.
Part and receiver in g•g•Sg reqweren,•tt 5-19 r :S I fI