Machine Construction and Drawing: Being an Introduction to the Study of Machine Construction and to the Application of Geometrical Drawing for the Representation of MachineryG.P. Putnam, 1873 - 141 páginas |
Dentro del libro
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Página 9
... portions are often employed , and un- fortunately too often by those unable to form a just approximation , owing to the want of a knowledge of those principles which are essential for the correct repre- sentation of objects . We ...
... portions are often employed , and un- fortunately too often by those unable to form a just approximation , owing to the want of a knowledge of those principles which are essential for the correct repre- sentation of objects . We ...
Página 10
... portion of this rule ; and fig . 2 the decimal rule . 1 2 со 1 Fig . 1 . Fig . 2 . 2 3 止 CHAPTER II . 4. WE will now give the student a few hints on the use of the necessary instruments required for mechanical drawing , assuming that ...
... portion of this rule ; and fig . 2 the decimal rule . 1 2 со 1 Fig . 1 . Fig . 2 . 2 3 止 CHAPTER II . 4. WE will now give the student a few hints on the use of the necessary instruments required for mechanical drawing , assuming that ...
Página 29
... portions of circles , but of ellipses ; * their construction is shown in dotted lines . Arcs of circles may be ... portion of the figure ; the construction lines will explain how to draw fig . 43 . 19. The terms plan and elevation ...
... portions of circles , but of ellipses ; * their construction is shown in dotted lines . Arcs of circles may be ... portion of the figure ; the construction lines will explain how to draw fig . 43 . 19. The terms plan and elevation ...
Página 30
... portion b next to the head is also square , and fits into a square hole , which prevents its turning round while the nut is being screwed on ; the diagonal lines on a and b are used to denote its form ( usually 30 MACHINE CONSTRUCTION .
... portion b next to the head is also square , and fits into a square hole , which prevents its turning round while the nut is being screwed on ; the diagonal lines on a and b are used to denote its form ( usually 30 MACHINE CONSTRUCTION .
Página 37
... portion between the collars is called the neck , and is supported in an accurately fitting surface termed a bearing . The length of the neck is generally made 1 times the diameter of the shaft , for shafts under 6 inches diameter ; some ...
... portion between the collars is called the neck , and is supported in an accurately fitting surface termed a bearing . The length of the neck is generally made 1 times the diameter of the shaft , for shafts under 6 inches diameter ; some ...
Otras ediciones - Ver todas
Machine Construction and Drawing: Being an Introduction to the Study of ... Edward Tomkins Sin vista previa disponible - 2015 |
Machine Construction and Drawing: Being an Introduction to the Study of ... Edward Tomkins Sin vista previa disponible - 2016 |
Términos y frases comunes
arcs of circles axis belt bevel wheels bolts boss bottom cast-iron centre line chamfered circular connected construction lines crank cross-section curved surface cycloidal cylindrical describe a circle diameter dimensions direction distance dotted lines draw lines parallel drawn full eccentric eleva elevation employed end-elevation example feathers F figures flanks front-elevation given circle given straight line half hole inch intersection Join Joseph Whitworth left-hand length number of revolutions object obtained oil-cup pedestal perpendicular pinion pitch circle pitch line planing machines Plate XXIV portion position projection rack and pinion radii radius rectilinear motion represent required circle right angles S₂ scale shade lines shaft sheave showing shown in figs shown in Plate sliding piece spur wheels square strap termed thickness of metal thread tion tooth touch the given vertical plane width
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