A Treatise on the Theory of Screws
Forfatter: Sir Robert Stawell Ball
År: 1900
Forlag: The University Press
Sted: Cambride
Sider: 544
UDK: 531.1
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CHAPTER III .
Reciprocal Screws.
§§ PAGE
20. Reciprocal Screws...........................................26
21. Particular Instances........................................26
22. Screw Reciprocal to Cylindroid..............................26
23. Reciprocal Cone.............................................27
24. Locus of a Screw Reciprocal to Four Screws..................29
25. Screw Reciprocal to Five Screws.............................30
26. Screw upon a Cylindroid Reciprocal to a Given Screw .... 30
27. Properties of the Cylindroid .......... 30
CHAPTER IV .
Screw Co-ordinates.
28. Introduction.............................................................31
29. Intensities of the Components............................................32
30. The Intensity of the Resultant......................................... 33
31. Co-reciprocal Screws.....................................................33
32. Co-ordinates of a Wrench.................................................34
33. The Work done............................................................34
34. Sci’ew Co-ordinates......................................................34
35. Identical Relation.......................................................35
36. Calculation of Co-oi’dinates.............................................35
37. The Virtual Coefficient..................................................36
38. The Pitch................................................................36
39. Screw Reciprocal to Five Screws..........................................36
40. Co-ordinates of a Screw on a Cylindroid ....... 37
41. The Canonical Go-reciprocals.............................................38
42. An Expression for the Virtual Coefficient................................38
43. Equations of a Screw.....................................................38
44. A Screw of Infinite Pitch................................................39
45. Indeterminate Screw......................................................40
46. A Screw at Infinity......................................................41
47. Screws on One Axis.......................................................41
48. Transformation of Screw Co-ordinates.....................................42
49. Principal Screws on a Cylindroid.........................................43
CHAPTER V .
The Representation of the Cylindroid by a Circle.
50. A Plane Representation .......... 45
51. The Axis of Pitch........................................................46
52. The Distance between Two Screws..........................................47