Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel .. . PIG. 108.—FORMED TYPE OEMILLING CUTTER. Fig. 108. The cutting edge of this class is of an irregular outline^When properly backed off, these cutters can be ground and retaintheir original form. Gear cutters, tools for grooving taps, etc.,are all classed as form cutters. Among the numerous engravings in this book will be found. FIG. 109.—CUTTER EOR SPIRAL * ON ONE SIDE, 12 INCLUSIVE ANGLE B IS 52ON OTHER. illustrations of a large number of cutters which
Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel .. . PIG. 108.—FORMED TYPE OEMILLING CUTTER. Fig. 108. The cutting edge of this class is of an irregular outline^When properly backed off, these cutters can be ground and retaintheir original form. Gear cutters, tools for grooving taps, etc.,are all classed as form cutters. Among the numerous engravings in this book will be found. FIG. 109.—CUTTER EOR SPIRAL * ON ONE SIDE, 12 INCLUSIVE ANGLE B IS 52ON OTHER. illustrations of a large number of cutters which are used on mill-ing machines. In most cases it is advisable to use a cutter ofsmall diameter rather than of large diameter. Cutters from ij2to 2 inches in diameter are the most economical for generalmilling. CHAPTER VIII. HARDENING, TEMPERING AND STRAIGHTENING ALL KINDS OFSMALL TOOLS. Hardening Ring Gages. To harden ring gages and other tools of a similar nature sothat they will harden around the hole and leave the remainingparts soft, clamp the tool between flange-ended tubes and allow
Size: 1255px × 1991px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidhardeningtem, bookyear1903
