The occupation of the toolmaker has steadily grown in importance with the development of manufacturing processes and the general adop tion of jigs, fixtures and other special tools by machinery builders to insure interchangeability of product. Where formerly but few men in the shops were directly interested in, for example, the methods by which the holes in a jig could be accurately located and bored, to-day there are thousands of toolmakers who are employing refined processes, precision tools and appliances for executing this class of work. Many methods and devices originating in watch factories and similar establishments for accomplishing very accurate results were for a considerable period confined almost exclusively to such institutions; these have in later years been found equally serviceable in dealing with work of different charac ter and heavier proportions.
The master plate, disk, button and refined test indicator processes have been extended from watch-tool to other classes of accurate tool work, and these invaluable adjuncts of the tool room have before them an ever broadening field of usefulness as their practicability becomes more generally appreciated. Closely allied with these devices, although up to the present time utilized to a comparatively small extent, is the compound microscope, which with cross hairs and conveniently arranged micrometer screws constitutes a testing and measuring appliance having an innumerable number of practical applications in connection with the work of the toolmaker.
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Publisher - Forgotten Books
Language - English
Author(s) - C. L. Goodrich
Published Date - August 27 2019
ISBN - 9780331848236
Dimesions - 22.9 x 15.2 x 1.6 cm
Page Count - 234
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