Universal Joints and Driveshafts H.Chr.Seherr-Thoss · F ... - Index of

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2 1 Universal Jointed Driveshafts for Transmitting Rotational Movements Fig. 1.1. Ring joint of Hieronymus Cardanus 1557. In his “Mediolanensis philosophi ac medici”, p. 163, he wrote the following about it: “I saw such a device at the house of Emperor Maximilian’s adviser, Joannem Sagerum (Johann Sager) from Gisenhaigen (Gießenhagen, Geißenhain), an important mathematician, doctor and philosopher in the Pressburg diocese. He did not explain how he had arrived at this, on the other hand I did not ask him about this.” This is proof that the suspension was already known before Cardanus and was only called the “cardan suspension” after this description [1.2]. Translated from the Latin by Theodor Straub, Ingolstadt. Photograph: Deutsches Museum, Munich
1.1 Early Reports on the First Joints 3 a Fig. 1.2. Universal joint of Amicus (16th century). ABCD is a cross, the opposing arms AB of which are fitted into holes on the ends of a fork ABF (fuscinula). The other pair of arms CD is received in the same way by the fork CDH and the forks themselves are mounted in fixed rings G and E [1.3, 1.7]. Photograph: Deutsches Museum, Munich b Fig. 1.3a, b. Relationship between gimbal and universal joint. a swiveling gimble, the so-called “cardan suspension” (16th century). 1 attachment, 2 revolving ring, 3 pivot ring; b universal joint of Amicus (17th century), extended to make the cardan suspension. 1 drive fork, 2 driven fork, 3 cross Johannes Hevelius, which comprised a universal joint similar to that of Amicus (Fig. 1.4). In 1676 he spoke of a “joynt” and a “universal joynt” because it is capable of many kinds of movements [1.5–1.7]. Hooke was fully conversant with the mathematics of the time and was also skilled in practical kinematics. In contrast to Schott he knew that the universal joint does not transmit the rotary movement evenly. Although Hooke did not publish any theory about this we must assume that he knew of the principle of the non-uniformity. He applied his joint for the first time to a machine with which he graduated the faces of sun dials (Fig. 1.5). Cardano and Hooke can therefore be considered as having prepared the way for universal joints and driveshafts. The specialised terms “cardan joint” in Continental Europe and “Hooke’s joint” in Anglo-Saxon based languages still remind us of the two early scholars.
Page 1 and 2: Universal Joints and Driveshafts H.
Page 3 and 4: Authors: Hans Christoph Seherr-Thos
Page 5 and 6: Preface to the second German editio
Page 7 and 8: Contents Index of Tables . . . . .
Page 9 and 10: Contents XI 4.3.3 Forces on the Sup
Page 11 and 12: 1.2 Theorie der Übertragung von Dr
Page 13 and 14: Index of Tables XV Figure 5.29 Hook
Page 15 and 16: XVIII Notation Symbol Unit Meaning
Page 17 and 18: 1.2 Theorie der Übertragung von Dr
Page 19: 1 Universal Jointed Driveshafts for
Page 23 and 24: 1.2 Theory of the Transmission of R
Page 35 and 36: 1.3 The Ball Joints 17 1.3 The Ball
Page 37 and 38: 1.3 The Ball Joints 19 1.3.1 Weiss
Page 39 and 40: 1.3 The Ball Joints 21 Principal di
Page 41 and 42: 1.3 The Ball Joints 23 Fig. 1.24. F
Page 43 and 44: 1.3 The Ball Joints 25 angle r (Fig
Page 45 and 46: 1.3 The Ball Joints 27 Fig. 1.30. T
Page 47 and 48: 1.3 The Ball Joints 29 motor vehicl
Page 49 and 50: 1.3 The Ball Joints 31 Fig. 1.38. F
Page 51 and 52: 1.4 Development of the Pode-Joints
Page 59 and 60: 1.5 First Applications of the Scien
Page 69 and 70: 1.6 Literature to Chaper 1 51 1.27
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54 2 Theory of Constant Velocity Jo
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3 Hertzian Theory and the Limits of
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3.2 Equations of Body Surfaces 83 S
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3.3 Calculating the Coefficient cos
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3.3 Calculating the Coefficient cos
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3.4 Calculating the Deformation d a
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3.5 Solution of the Elliptical Sing
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3.6 Calculating the Elliptical Inte
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3.7 Semiaxes of the Elliptical Cont
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3.9 Width of the Rectangular Contac
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3.9 Width of the Rectangular Contac
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3.10 Deformation and Surface Stress
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3.12 Literature to Chapter 3 107 Me
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4 Designing Joints and Driveshafts
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4.1 Design Principles 111 and P per
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4.1 Design Principles 113 Individua
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4.1 Design Principles 115 a c Fig.
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4.2 Hooke’s Joints and Hooke’s
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4.3 Forces on the Support Bearings
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4.3 Forces on the Support Bearings
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4.4 Ball Joints 153 a b c Fig. 4.25
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4.4 Ball Joints 155 8 The curvature
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4.4 Ball Joints 157 Table 4.5. Radi
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4.4 Ball Joints 159 a ball-joint b
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4.4 Ball Joints 161 δ d R’ + - 2
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4.4 Ball Joints 163 a b Fig. 4.33.
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4.4 Ball Joints 165 2. E. Aucktor (
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4.4 Ball Joints 167 Joint centre ef
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4.4 Ball Joints 169 Figure 4.37 sho
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4.4 Ball Joints 171 a a e centring
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4.4 Ball Joints 173 The centrally s
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4.4 Ball Joints 175 a b Fig. 4.44a,
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4.4 Ball Joints 177 4.4.5.3 Steerin
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4.4 Ball Joints 179 For outward pre
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4.4 Ball Joints 181 Fig. 4.48. The
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4.4 Ball Joints 183 spherical surfa
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4.4 Ball Joints 185 p 0 5000 4500 4
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4.4 Ball Joints 187 4.4.6 Structura
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4.4 Ball Joints 189 Joint A E S G B
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4.4 Ball Joints 191 Table 4.10. Rat
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4.4 Ball Joints 193 - for speeds >
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4.4 Ball Joints 195 ∆A ∆S Nm ma
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4.4 Ball Joints 197 4.4.6.5 Calcula
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4.4 Ball Joints 199 Pressure ellips
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4.4 Ball Joints 201 In Table 3.3 mn
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4.4 Ball Joints 203 a b c Principal
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4.4 Ball Joints 205 articulation an
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4.4 Ball Joints 207 4.4.8 Service L
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4.5 Pode Joints 209 According to th
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4.5 Pode Joints 211 a b Fig. 4.74.
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4.5 Pode Joints 213 Robert Schwenke
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4.5 Pode Joints 215 4.5.2.1 Static
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4.5 Pode Joints 217 Size of joint G
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4.5 Pode Joints 219 The specific lo
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4.5 Pode Joints 221 Fig. 4.80. Trip
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4.5 Pode Joints 223 It also follows
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4.5 Pode Joints 225 In order to cal
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4.5 Pode Joints 227 1 1 1 1 2a R
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4.5 Pode Joints 229 Fig. 4.86. Redu
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4.6 Materials, Heat Treatment and M
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4.5 Pode Joints 241 treatment. The
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4.7 Basic Procedure for the Applica
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4.7 Basic Procedure for the Applica
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4.8 Literature to Chapter 4 247 4.2
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250 5 Joint and Driveshaft Configur
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c 292 5 Joint and Driveshaft Config
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c 298 5 Joint and Driveshaft Config
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346 Name Index Galilei, Galileo (15
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348 Name Index Weber, Constantin He
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350 Subject Index fixed joint - Loe
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