Canadian machinery and metalworking (July-December 1917) . FIG. 5 FIG. 7. ing away of the chip is shown at D inFig. 2, and the direction of these saw-tooth serrations is opposite to whatmight be supposed, inasmuch as theteeth point toward the cutting tool in- owing to the varying characteristics andability of those who are employed tooperate the various classes of assist or try to assist those whodo not have the advantage of a special often develop along the edge, these be-ing invisible to the naked eye but whenused again on the work will result inthe edge crumbling away, thus dest
Canadian machinery and metalworking (July-December 1917) . FIG. 5 FIG. 7. ing away of the chip is shown at D inFig. 2, and the direction of these saw-tooth serrations is opposite to whatmight be supposed, inasmuch as theteeth point toward the cutting tool in- owing to the varying characteristics andability of those who are employed tooperate the various classes of assist or try to assist those whodo not have the advantage of a special often develop along the edge, these be-ing invisible to the naked eye but whenused again on the work will result inthe edge crumbling away, thus destroy-ing the effectiveness of the tool. This July 5, 1917. CANADIAN MACHINERY 21 TOOL GRINDING CHART CLEARANCE AND RAKE ANGLES FOR VARIOUS CUTTING TOOLS. SMALL STRAIGHT ARROWS INDICATE THE DIRECTION OF RAKE ON FACES ARROWS SHOW POSSIBLE PATH OF CUTTING POINT UNDER COLUMN ILLUSTRATES A FEW SUGGESTIONS FOR SETTING BE SHORT AS POSSIBLE TO AVOID SPRING AND CHATTER. Jl. ROUGHING 12. CORNER /. PARTING 2. FACING. 22 objectionable feature of grinding edgetools is further emphasized if the wheeldoes not cut freely and undue pressureis required to accomplish the desiredpurpose. K— P-
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19
