Canadian Machinery . FIG. 4—HERE WE SEE THE VARIOUS INSTRUCTIONS ON THE MAKINGOF A 1 SPIRAL END MILL. FIG. 3—THIS PAGE FORM BLOCK GIVES THESTUDENT LOTS OF PRACTICAL WORK. ing (roughing cut), and .surfacing to afinished cut. Second Year Work In second year subjects a review ofthe first year studies is always this is completed the followingfurther steps are taken. On bench workthe student receives instruction on lay-outs, scraping, grinding drills, how touse a speed indicator, and determine hisvarious speeds. The drill press work is carried on upto holes 1% diameter, this meaningthat
Canadian Machinery . FIG. 4—HERE WE SEE THE VARIOUS INSTRUCTIONS ON THE MAKINGOF A 1 SPIRAL END MILL. FIG. 3—THIS PAGE FORM BLOCK GIVES THESTUDENT LOTS OF PRACTICAL WORK. ing (roughing cut), and .surfacing to afinished cut. Second Year Work In second year subjects a review ofthe first year studies is always this is completed the followingfurther steps are taken. On bench workthe student receives instruction on lay-outs, scraping, grinding drills, how touse a speed indicator, and determine hisvarious speeds. The drill press work is carried on upto holes 1% diameter, this meaningthat they have to lay out the holes,watching their pop marks. The holesmust be accurately drilled, and closecheck is kept on the students to seethey have the right use of the chiselin correcting holes which are inclinedto run. After the drilling come lessonsin reaming. The lathe work deals with parting,turning for drive, shrink and runningfits, chuckwork, and crowning. Furtherinstruction on the miller is given, thisi
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Keywords: ., bookcentury1900, bookdecade1910, bookidcanadianmachiner2502torou
