Lessons in Applied Mechanics |
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Page 23
... bearing certain relations to each other , we can represent these relations by means of a plane curve ; values of one magnitude being marked off along an axis , and ordinates set up at the points so obtained , to represent the ...
... bearing certain relations to each other , we can represent these relations by means of a plane curve ; values of one magnitude being marked off along an axis , and ordinates set up at the points so obtained , to represent the ...
Page 26
... bearing at another part of the shaft . In crank shafts the journals , or parts of the shaft in the bearings , are sometimes turned smaller than the rest of the shaft , as Fig . 28 , but it is best in marine engines to leave this also to ...
... bearing at another part of the shaft . In crank shafts the journals , or parts of the shaft in the bearings , are sometimes turned smaller than the rest of the shaft , as Fig . 28 , but it is best in marine engines to leave this also to ...
Page 27
... bearings would still revolve in them , being kept in place by its weight , and they form a turning pair ( compare page 20 ) . The only conditions the bodies must satisfy are that a circular projection on one must fit a hole in the other ...
... bearings would still revolve in them , being kept in place by its weight , and they form a turning pair ( compare page 20 ) . The only conditions the bodies must satisfy are that a circular projection on one must fit a hole in the other ...
Page 31
... bearing . r is then the radius of the bearing , and if r be in feet and A in radians per second , V gives in feet per second the velocity with which the metal of the shaft rubs over that of the bearing . Radius of Reference . The above ...
... bearing . r is then the radius of the bearing , and if r be in feet and A in radians per second , V gives in feet per second the velocity with which the metal of the shaft rubs over that of the bearing . Radius of Reference . The above ...
Page 35
... bearing surface and hence less wear . The screw thus cut is said to have a double thread , and we may extend the process to three or more separate threads . The velocity ratio is , as before , V_pitch A 2π - 9 the pitch being that of ...
... bearing surface and hence less wear . The screw thus cut is said to have a double thread , and we may extend the process to three or more separate threads . The velocity ratio is , as before , V_pitch A 2π - 9 the pitch being that of ...
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Common terms and phrases
action actual angular velocity applied axle balance beam bearing belt bending body boom called centre circle coefficient compression connecting rod consider constant crank effort crank pin curve cylinder diagram diameter distance draw effect elastic Energy exerted engine equal equation example feet flange foot length friction ft.-lbs girder given hence Hooke's Law inch joint length lift load mean mean effective pressure measure moment of inertia moving neutral axis obtain ordinates parallel piece piston position plane practically preceding pressure produced pull pulley radius radius of gyration relative motion represent resistance result revolution revolutions per minute right angles rivet rope rotating scale screw shaft shearing shown simply sliding pair speed steam stress stroke surface tension tons turning pair velocity ratio W₁ weight wheel whole
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