## Machine Design, Construction and Drawing: A Textbook for the Use of Young Engineers |

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### Common terms and phrases

angle arc of contact arrangement axis ball bearing belt bending boiler bolts boss brass breadth butt joint cast iron cent centre chain connecting rod copper cotter crank pin crank shaft curve cylinder diameter dimensions drawing driving efficiency engine equal factor of safety fitted fixed flanges friction gear gives groove gun-metal hole increase joint leather length load lubrication machine material Messrs metal number of teeth ordinary pipes piston pitch circle plates practice pressure proportions pulley radius ratio resistance revolutions per minute ring rivets roller rolling screw screw threads shear shear stress shown in Fig shows side sketch skin stress speed square inch steam steel strands strap stuffing box suitable surface Table taper tensile strength tension thickness threads thrust tons per sq tooth transmitted tubes twisting usually velocity wear weight wheels whilst width wire rope wrought iron

### Popular passages

Page 449 - Whereas the processes of loading, unloading, moving and handling goods in, on, or at any dock, wharf, or quay, and the processes of loading, unloading and coaling any ship in any dock, harbour, or canal...

Page 35 - A sector, is any part of a circle bounded by an arc, and two radii, drawn to its extremities. A quadrant, or quarter of a circle, is a sector having a quarter part of the circumference for its arc, and the two radii perpendicular to each other.

Page 35 - An arc of a circle is any part of the circumference. A chord is a straight line joining the extremities of an arc. A segment is any part of a circle, bounded by an arc and its chord.

Page 162 - Width of combustion box in inches. P = Pitch of supporting bolts in inches. D = Distance between the girders from centre to centre in inches. L = Length of girder in feet. d = Depth of girder in inches. T = Thickness of girder in inches.

Page 35 - A circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the center, Fig.

Page 518 - It will be seen that the arms of the guide or leading frame g, g, g, g, are connected with the axes of the paddles by means of the cranks c, c, c, c ; and it should be here stated, that the length of the cranks c, from the centre of the crank pin to the centre of the paddle axle, should correspond exactly with the distance from the centre of the main axis a, to the centre of the guide or leading frame...

Page 277 - Fig. 49. We will solve this problem partly graphically and partly by calculation. The first step is to find how fast the crank pin D is moving. For one turn of the crank, D travels through a distance equal to the circumference of a circle whose radius is R, that is, a distance of 2'ffTi.

Page 35 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.

Page 159 - C — 100 when the plates are not exposed to the impact of heat or flame, and the stays are fitted with nuts and washers, the latter being at least three times the diameter of the stay and two-thirds the thickness of the plates...

Page 190 - Iron bolts, case-hardened, bore a less breaking strain than when wholly iron, owing to the superior tenacity of the small proportion of steel being more than counterbalanced by the greater ductility of the remaining portion of iron.