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 13
... usually indicated by the sign ; thus , √25 = 5 . The cube root of a number is one of three equal factors of which the number is composed . The cube root of 27 is 3 , because 27 = 3X3X3 ; and the cube root of 64 is 4 , because 64 ...
... usually indicated by the sign ; thus , √25 = 5 . The cube root of a number is one of three equal factors of which the number is composed . The cube root of 27 is 3 , because 27 = 3X3X3 ; and the cube root of 64 is 4 , because 64 ...
Σελίδα 58
... usually provided with tapered shanks , while hand reamers have shanks FIG . 10 squared to take a wrench . front faces of the teeth lie on the center line. Cutting Faces of Reamers . - Sections of reamers , Fig . 13 , show the different ...
... usually provided with tapered shanks , while hand reamers have shanks FIG . 10 squared to take a wrench . front faces of the teeth lie on the center line. Cutting Faces of Reamers . - Sections of reamers , Fig . 13 , show the different ...
Σελίδα 60
... usually vary by in . in sizes up to 1 in . in diameter . Above 1 in . , they usually vary by in . , and sometimes by in . COUNTERSINKING , COUNTERBORING , FACING , AND CENTER DRILLING Countersinking . - Various forms of countersinks are ...
... usually vary by in . in sizes up to 1 in . in diameter . Above 1 in . , they usually vary by in . , and sometimes by in . COUNTERSINKING , COUNTERBORING , FACING , AND CENTER DRILLING Countersinking . - Various forms of countersinks are ...
Σελίδα 74
... usually have a V - thread , with the standard number of threads per inch corresponding to their nominal diameter . As a rule , blacksmiths ' taps are made in . oversize . Safety Tapping Devices . - The head a of the tap holder , Fig ...
... usually have a V - thread , with the standard number of threads per inch corresponding to their nominal diameter . As a rule , blacksmiths ' taps are made in . oversize . Safety Tapping Devices . - The head a of the tap holder , Fig ...
Σελίδα 76
... usually drilled to the size of the bottom of the thread at the small end of the tap , and then the pipe tap is run down to the proper depth ; but for the large work , a reamer having the same taper as the tap is run in to remove some of ...
... usually drilled to the size of the bottom of the thread at the small end of the tap , and then the pipe tap is run down to the proper depth ; but for the large work , a reamer having the same taper as the tap is run in to remove some of ...
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!