Exercise 1: Forms of Rivets.—Draw, full size, the rivets and rivet heads shown in fig. 1. The diameter of the rivet in each case to be 11⁄8 inches, and the thickness of the plates 7⁄8 inch.
Exercise 2: Single Riveted Lap Joint.—Draw, full size, the plan and sectional elevation of the single riveted lap joint shown in fig. 2.
Table showing the Proportions of Single Riveted Lap Joints for various Thicknesses of Plates. (Plates and Rivets Wrought Iron.)
| Thickness of plates | 1⁄4 | 5⁄16 | 3⁄8 | 7⁄16 | 1⁄2 | 9⁄16 | 5⁄8 | 11⁄16 | 3⁄4 |
|---|---|---|---|---|---|---|---|---|---|
| Diameter of rivets | 9⁄16 | 5⁄8 | 11⁄16 | 3⁄4 | 13⁄16 | 7⁄8 | 15⁄16 | 1 | 11⁄16 |
| Pitch of rivets | 15⁄8 | 1¾ | 17⁄8 | 2 | 21⁄8 | 2¼ | 25⁄16 | 23⁄8 | 2½ |
| Width of lap | 1¾ | 2 | 2¼ | 2½ | 2¾ | 27⁄8 | 3 | 31⁄8 | 3¼ |
All the dimensions are in inches.
Fig. 4.
Exercise 3.—Draw, half size, a plan and section of a single riveted lap joint for plates 3⁄4´´ thick to the dimensions given in the above table.
Exercise 4: Double Riveted Lap Joint.—Draw, full size, the two views of the double riveted lap joint shown in fig. 3.