Machine drawing; a text and problem book for technical students and draftsmen (1921)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 115
for holding a piece toinsure uniformity when a number are to be made. For instance adrilling jig would hold a piece and provide a means for guiding the drillso that each piece would have the holes drilled alike. It is not dependentupon the machine with which it is used. Jigs might be classed as… … Ream Fig. 188. Simple Beam Detail. The ^production, or part to be machined should be drawn first,using light pencil lines or other distinctive representation, to show its 104 JIGS, FIXTURES, AND DETAILS 105 I— r\ \j^ 1*^-^ .-\- &^ .J 1 L- I I I J [ 1--
Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
