| Nominal diameter of cap screw, d |
| in |
|
| X-section area of threaded portion of cap screw, AT |
| in2 |
| Modulus of elasticity of cap screw, Eb |
| 106lb/in2 |
| Thickness of washer, tw |
| in |
| Diameter of washer, D |
| in |
| Thickness of member #1, t1 |
| in |
| Modulus of elasticity of member #1, E1 |
| 106lb/in2 |
| Thickness of member #2, t2 |
| in |
| Modulus of elasticity of member #2, E2 |
| 106lb/in2 |
| Cone angle of frustrum, α |
| ° |
| STIFFNESS |
Values | Units |
| ♦ Threaded portion of cap screw, kT |
6.38 | 106lb/in |
| ♦ Overall stiffness of cap screw, kcap screw |
6.38 | 106lb/in |
| ♦ Stiffness of frustum #1, k1 |
45.04 | 106lb/in |
| ♦ Stiffness of middle frustum, km |
174.27 | 106lb/in |
| ♦ Stiffness of frustum #2, k2 |
32.4 | 106lb/in |
| ♦ Overall stiffness of frusta, kmembers |
17.0 | 106lb/in |