Blueprint Reading for the Machine Trades |
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Common terms and phrases
accuracy acme thread assembly prints auxiliary views bevel gears bill of material block bolt bottom cap screw center line circular view clamp Common fraction contain counterbore Countersink curve cylinder decimal describe dotted lines drawn DRILL eccentric eighths fasten finished flat form of thread front view give head helical gears hidden edges hole indicated internal threads invisible edges KEYWAY Knurl LESSON limits located machine screw machinist major diameter measured mechanic method mixed number national form number of threads object over-all dimensions over-all length packing nut piece pitch circle pitch diameter pressure angle PROBLEMS ON BLUEPRINT pulley quarter reamed rectangle rectangular view rivets scale section view set screw shaft shape shown in Fig side view sixteenths sixty-fourths slant surfaces SPOTFACE spur gears subtract taper thirty-seconds thousandths thread is called threads per inch three views three-view drawing tolerances top view usually visible edge width worm worm gears