A Manual of Machine Drawing and DesignLongmans, 1898 - 375 páginas |
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Página 1
... taken as approximate only . In practice they will be found to vary as much as one inch in some cases . Cartridge - paper is made in sheets of various sizes , and also in rolls . Tracing - paper and tracing - cloth are generally made in ...
... taken as approximate only . In practice they will be found to vary as much as one inch in some cases . Cartridge - paper is made in sheets of various sizes , and also in rolls . Tracing - paper and tracing - cloth are generally made in ...
Página 3
... taken not to wet the point of the pencil , as the lines are then very difficult to rub out . The drawing - paper for working drawings is generally secured to the board by drawing - pins , having steel points and brass heads with ...
... taken not to wet the point of the pencil , as the lines are then very difficult to rub out . The drawing - paper for working drawings is generally secured to the board by drawing - pins , having steel points and brass heads with ...
Página 7
... taken not to push the steel points of the dividers through the drawing - paper . To mark the divisions on the line , use a sharp pencil , placing the point of the pencil against one point of the dividers , which point should be raised ...
... taken not to push the steel points of the dividers through the drawing - paper . To mark the divisions on the line , use a sharp pencil , placing the point of the pencil against one point of the dividers , which point should be raised ...
Página 11
... taken . 25. Cycloidal Curves . - If a circle be made to roll along a line and CYCLOID FIG . 30 . If remain in the same plane , a point in the circumference of the rolling circle will describe a cycloidal curve . The rolling circle is ...
... taken . 25. Cycloidal Curves . - If a circle be made to roll along a line and CYCLOID FIG . 30 . If remain in the same plane , a point in the circumference of the rolling circle will describe a cycloidal curve . The rolling circle is ...
Página 18
... taken in order , the three forces P , Q , and R will be in equilibrium , that is , they will balance one another . Conversely , if the forces P , Q , and R balance one another , they 个 B A C A FIG . 46 . B FIG . 47 . may be represented ...
... taken in order , the three forces P , Q , and R will be in equilibrium , that is , they will balance one another . Conversely , if the forces P , Q , and R balance one another , they 个 B A C A FIG . 46 . B FIG . 47 . may be represented ...
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Términos y frases comunes
arms axis bearing belt bending bending moment boiler bolt brass butt joint cast-iron centre condenser connecting-rod copper cotter crank crank-pin cross-head Crown 8vo curve cylinder D₁ D₂ Diagrams Diam dimensions drawing eccentric equal example feet fire-box flange force formula friction furnace gearing groove hole horse-power Illustrations inches in diameter iron joint lap joints length load locomotive mean effective pressure metal packing piece pipe piston piston-rod pitch circle pounds per square practice pressure proportions published by Longmans pulley Pump radius resistance revolutions per minute ring rivets rope Scientific Works published screw thread screwed shaft shearing shell shown in Fig side speed Split pin square inch stays steam steel strap strength stress stroke Studs stuffing-box surface T₁ T₂ taper teeth tenacity tension thickness thread tons per square velocity weight wheel width Woodcuts wrought-iron
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