Machine-shop Handbook: A Handbook of Reference on Machine-shop Practice for Those Interested in the Work of the Machine Operator, Machinist, Toolmaker, and the General MechanicInternational Textbook Company, 1924 - 346 σελίδες |
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Σελίδα 71
... placed against each side of the broken piece of the tap b and each is struck a light blow at the same time , forcing the tap to turn . If the tap is broken below the surface of the work , the method shown in Fig . 6 can often be used to ...
... placed against each side of the broken piece of the tap b and each is struck a light blow at the same time , forcing the tap to turn . If the tap is broken below the surface of the work , the method shown in Fig . 6 can often be used to ...
Σελίδα 77
... placed in the bushing e , and the whole slid over the end of the pipe so that the cutting edges of the die rest on the end of the pipe . The bushing e is made fast to the pipe by the set- b ( a ) ( d ) FIG . 3 screws ƒ and g , which ...
... placed in the bushing e , and the whole slid over the end of the pipe so that the cutting edges of the die rest on the end of the pipe . The bushing e is made fast to the pipe by the set- b ( a ) ( d ) FIG . 3 screws ƒ and g , which ...
Σελίδα 83
... placed in each end of the hole , and the center a is adjusted by means of the screws b . The center of the work can be located within FIG . 1 FIG . 2 FIG . 3 fairly close limits before the job is put on the lathe centers by using a ball ...
... placed in each end of the hole , and the center a is adjusted by means of the screws b . The center of the work can be located within FIG . 1 FIG . 2 FIG . 3 fairly close limits before the job is put on the lathe centers by using a ball ...
Σελίδα 84
... placed in this bridge . Plug mandrels , or centers , as at a , Fig . 9 , are driven into the b FIG . 9 a ends of a long cylindrical casting b such as piston valves with cored holes . The plugs may be turned from cast iron or steel , and ...
... placed in this bridge . Plug mandrels , or centers , as at a , Fig . 9 , are driven into the b FIG . 9 a ends of a long cylindrical casting b such as piston valves with cored holes . The plugs may be turned from cast iron or steel , and ...
Σελίδα 85
... placed in the jaws FIG . 13 and the latter are tightened down on it . If the piece is round , it can be centered by using a piece of chalk to locate the high spots in the usual way . If the piece is irregular , it is good practice to ...
... placed in the jaws FIG . 13 and the latter are tightened down on it . If the piece is round , it can be centered by using a piece of chalk to locate the high spots in the usual way . If the piece is irregular , it is good practice to ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acid allow alloys aluminum angle applied Area bearings belt brass bushing calipers cast iron castings cent circle circular clean column contains copper corresponding cutters Depth desired Diam diameter difference distance divide divisions drill edges equal face feet figure finishing foot gauge gear give given grinding hand hard hardened head heat held holes Inches Inches Inches iron known lathe lead length machine measured metal Minute moved multiply number of teeth obtained operation piece pipe pitch placed plate Pounds produce pulley reading removed result root roughing round rule scale screw shaft shank shown in Fig shows side sizes soft solution speed spindle square standard steel surface taper Thickness thread threads per inch tool turned usually weight wheel zinc
Δημοφιλή αποσπάσματα
Σελίδα xxv - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards — 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 7 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 1 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα xxvi - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 7 - Measures of Capacity 10 milliliters (ml) =1 centiliter cl 10 centiliters =1 deciliter dl 10 deciliters =1 liter 1 10 liters =1 dekaliter Dl 10 dekaliters =1 hektoliter HI 10 hektoliters =1 kiloliter Kl NOTE — The liter is equal to the volume occupied by 1 cubic decimeter.
Σελίδα 174 - Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 Fig 7 Fig 8 Fig 9...
Σελίδα 339 - What are you doing with the hours after supper? Can you afford to let them slip by unimproved when you can easily make them mean so much? One hour a day spent with the ICS will prepare you for the position you want in the work you like best. Yes, it will! Put it up to us to prove it. Mark and mall this coupon now!
Σελίδα 7 - These prefixes form the key to the entire system. In the following tables, the abbreviations of the principal units of these submultiples begin with a small letter, while those of the multiples begin with a capital letter; they should always be written as here printed.
Σελίδα xxvi - Apothecaries' Weight 20 grains (gr.) = 1 scruple (sc.) 3 scruples = 1 dram (dr.) 8 drams = 1 ounce (oz.) 12 ounces = 1 pound (Ib...
Σελίδα 339 - Every hour I spent on my ICS Course has been worth $95 to me! My position, my $5,000 a year income, my home, my family's happiness — I owe it all to my spare time training with the International Correspondence Schools!