American Machinists' Handbook and Dictionary of Shop Terms: A Reference Book of Machine Shop and Drawing Room Data, Methods and Definitions |
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Common terms and phrases
2nd Intermediate Gear acid Addendum alloy belt bevel blank Bolt brass Brown & Sharpe caliper carbon cast iron cent chip chuck Circular Pitch clearance CO-SEC CO-TAN coko copper degrees Depth of Tooth Diam diametral pitch diamond dimensions disk Divide drill driving emery feed feet per minute finish flat Flutes Gage Gear on Screw Gear on Stud Gear on Worm give grinding Head hight hole Intermediate 2nd Intermediate Keyway lathe lathe tool lead screw Length metal milling cutter milling machine Multiply Number of Divisions number of teeth oilstone piece pinion pipe Pitch Diameter pitch line planer plug pulley punch radius Reamer revolutions per minute Screw Angle SCREW THREADS shaft shank shell shown in Fig side Slot solder speed spiral gears square St'd standard steel surface taper Threads per Inch tooth wheel Width wire zinc ΙΟ ΟΙΟ
Popular passages
Page 572 - The module is the pitch diameter in millimeters divided by the number of teeth in the gear. Pin Gear — Gear with teeth formed by pins such as the old lantern pinion. Also formed by short projecting pins or knobs and only used now in some feeding devices. Quill Gears — Gears or pinions cut on a quill or sleeve. Skew Gears — See Helical. Spiral Gears — (Fig.
Page 442 - Government in 1866. The three principal units are the meter, the unit of length; the liter, the unit of capacity; and the gram, the unit of weight. Multiples of these are obtained by prefixing the Greek words: deka (10), hekto (100), and kilo (1,000).
Page 443 - NOTE — The gram is the weight of one cubic centimeter of pure distilled water at a temperature of 39.2° F. ; the kilogram is the weight of 1 liter of water; the ton is the weight of 1 cubic meter of water.
Page 440 - " " loose, in irregular fragments, .... 96 Magnesium, ............ 109 Mahogany, Spanish, dry 53 " Honduras, dry, 35 Maple, dry, 49 Marbles, see Limestones. Masonry, of granite or limestone, well dressed, ..... 165...
Page 441 - Liverpool, fine, for table use 49 Sand, of pure quartz, dry, loose 90 to 106 " well shaken . 99 to 117 " perfectly wet ; 120 to 140 Sandstones, fit for building 151 Shales, red or black 162 Silver 655 Slate 175 Snow, freshly fallen 5 to 12 " moistened and compacted by rain 15...
Page 21 - Society for the Encouragement of National Industries," with the following modification adopted by this Congress. I. The clearance at the bottom of thread shall not exceed -fa part of the hight of the original triangle. The shape of the bottom of the thread resulting from said clearance is left to the judgment of the manufacturers. However, the Congress recommends -rounded profile for said bottom. 3. The table for Standard Diameters accepted is the one which has been proposed by the Swiss Committee...
Page 441 - 175 Snow, freshly fallen . . . . . 5 to 12 " moistened and compacted by rain . 15 to 50 Spruce, dry 25 Steel 490 Sulphur 125 Sycamore, dry 37 Tar 62 Tin, cast 459 Turf or Peat, dry, impressed . . . 20 to 30 Walnut, black, dry 38 Water, pure rain or distilled, at 60° Fahrenheit 62>^ " sea 64 Wax, bees 60.5 Zinc or Spelter 437.5 Green timbers usually wci^l1 from one-fifth to one-half more than dry.
Page 153 - ... will be apparent by considering the result obtained when the spindle is in a vertical position and also the effect when it is in a horizontal position. When a cam is milled with the indexhead set at 90 degrees or in a vertical position, the lead of the cam or its rise for one complete revolution will be the same as the lead for which the machine is geared. For instance, if a combination of gearing is used that advances the table 0.67 inch during one revolution of the spiral-head spindle, the...
Page 441 - Sand, of pure quartz, dry, loose, . . . , . . . 90 to 106 " well shaken, . . . . . . . . . .9910 117 " perfectly wet, 120 to 140 Sandstones, fit for building, ......... 151 Shales, red or black, 162 Silver, 655 Slate, 175 Snow, freshly fallen, 5 to 12 " moistened and compacted by rain, . . . . . . 15 to 50 Spruce, dry 25 Steel, 490 Sulphur . 125 Sycamore, dry, ............ 37 Tar 62 Tin, cast 459 Turf or Peat, dry, unpressed, . . . . . . . . 20 to 30 Walnut, black, dry, 38 Water, pure rain or distilled,...
Page 24 - Thread is an adaptation of the most commonly used style of Worm Thread and is intended to take the place of the square thread. It is a little shallower than the Worm Thread, but the same depth as the square thread and much stronger than the latter. The...