Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration, Properties of Metals and Alloys ... |
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Side 44
Ductility, or the capacity for drawing out, upon which properly the art of wire-
drawing is based. Without Malleability it would be impossible to roll thin sheets,
or to flatten or raise them into curved forms. The good Conducting power of
metals for ...
Ductility, or the capacity for drawing out, upon which properly the art of wire-
drawing is based. Without Malleability it would be impossible to roll thin sheets,
or to flatten or raise them into curved forms. The good Conducting power of
metals for ...
Side 47
The malleability of thick metals is generally increased by heat, that of thin metals
is not .practically affected by it. The malleability of metal lies at the basis of the
formation of work in sheet metal. There is an essential difference between the ...
The malleability of thick metals is generally increased by heat, that of thin metals
is not .practically affected by it. The malleability of metal lies at the basis of the
formation of work in sheet metal. There is an essential difference between the ...
Side 48
The thick plate can only be bent by the application of much force, assisted, if the
curvature be quick, by heat, the thin steel can be bent most readily to the same
curvature, the rubber also with extreme ease. In each case the effect of bending
is ...
The thick plate can only be bent by the application of much force, assisted, if the
curvature be quick, by heat, the thin steel can be bent most readily to the same
curvature, the rubber also with extreme ease. In each case the effect of bending
is ...
Side 49
And, moreover, heat is transmitted so quickly through thin malleable sheets that
there is no risk of fracture occurring, due to unequal contraction, as there is in
many metallic substances. Fusibility. The melting of steel, copper, and brass does
...
And, moreover, heat is transmitted so quickly through thin malleable sheets that
there is no risk of fracture occurring, due to unequal contraction, as there is in
many metallic substances. Fusibility. The melting of steel, copper, and brass does
...
Side 103
116 are designed for cutting thin metal into strips from y2 to 9 inches in width.
They are arranged with gauges and a supporting table, so that accuracy may be
secured. They will cut material not thicker than No. 20 gauge. Slitting Shears.
116 are designed for cutting thin metal into strips from y2 to 9 inches in width.
They are arranged with gauges and a supporting table, so that accuracy may be
secured. They will cut material not thicker than No. 20 gauge. Slitting Shears.
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Modern Sheet-Metal Workers' Instructor: Practical Geometry, Mensuration ... Joseph H Rose Ingen forhåndsvisning tilgjengelig - 2018 |
Modern Sheet-Metal Workers' Instructor: Practical Geometry, Mensuration ... Joseph H Rose Ingen forhåndsvisning tilgjengelig - 2018 |
Modern Sheet-Metal Workers' Instructor: Practical Geometry, Mensuration ... Joseph H. Rose Ingen forhåndsvisning tilgjengelig - 2017 |
Vanlige uttrykk og setninger
alloys aluminium ammoniac annealed antimony bending bismuth body boiling borax bottom brass brazing cast iron chloride of zinc circle circumference clean coated copper copper-bit cubic contents curve cutter cylinder degrees Fahrenheit describe dipped dissolve draw lines draw the line drop hammer Ductility edge feet fire flux foot gallons galvanized gauge gills glue hammer hardened heat hole inches in diameter joint killed spirits lead length machine shown malleable melted molten Multiply muriatic acid nitric acid number of equal oxide pattern perpendicular piece pints pipe plates points pounds pressure radius right angles rolls rosin round salammoniac screw shape shears sheet metal shown in Fig side solder solid solution Specific gravity speculum metal spelter square inch stake steel straight line substance sulphuric sulphuric acid superficial area surface temperature thick thin tion triangle tube velocity vessel Weight width wire wrought-iron zinc
Populære avsnitt
Side 5 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Side 21 - AB of the circle into as many equal parts as the polygon is to have sides. With the points A and B as centers and radius AB, describe arcs cutting each other at C.
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Side 10 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16. And this point is called the centre of the circle.
Side 5 - A plane angle is the inclination of two lines to one another in a plane, which meet together, but are not in the same direction.
Side 5 - A straight line is that which lies evenly between its extreme points.
Side 15 - A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed.