Gorton 687-1 Graduating Machine Owner's Manual
Operating manual for the Gorton 687-1 Graduating Machine, a precision dial-graduating tool designed for production work on watch faces, instrument dials, and similar components. Details the machine's capabilities for milling straight-line graduations on dials ranging from 25 to 720 divisions, with full coverage of machine construction including the cutter spindle, motor-driven cam mechanism, and index dial system. Provides step-by-step job setup procedures, methods for calculating the number and length of graduations needed, techniques for controlling line width and depth, and instructions for adjusting the feed pawl to achieve consistent results. Covers both peripheral and face graduation operations. Maintenance section addresses keeping the circular saw blade sharp, proper cutting oil application, lubrication points, and gib adjustment for maintaining spindle precision. An indispensable shop reference for anyone operating or servicing this specialized graduating equipment. Form No. 2060.
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Document Details
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- 5
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- Category
- Machine Tools