Methods of machine shop work : for apprentices and students in technical and trade schools (1914)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York : McGraw-Hill · leaf 57
d, with the piece ofwork clamped in the position shown, the result of the grinding isto produce this angle upon it. This is called the two-disc method and it has many applica-tions and variations. More commonly it is so used that theangle produced is that between the two common tangents ofthe discs… … Fig. 30.—Second application of the two disc method of originating angles. shown. The body h of the fixture has a tongue c fitting theT slot of the planer or milling machine table and a ledge dto act as an abutment to the discs e and /, the distance be-tween which is determined by the distance piece…
Machine-shop practice
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