Section 76.—SHAFTING.

Employed to convey motion from a motor to various forms of driven machinery by gearing of various kinds. See Sections [3], [11], [38], [40], and [84].

Materials employed are:—Round, square, or polygonal wrought iron or steel bars, cast iron, wood, iron or steel tubes, planished round iron and steel bars, &c.

Stow’s flexible shafting. See [No. 442].

[1338]. Longitudinal section of a cast-iron shaft. These are sometimes made of a X section.

[1339]. Wooden shaft with end ferrules and iron end centres.

[1340], [1341], & [1342]. End view and sections of ditto, solid hexagonal and hollow circular.

[1343], [1344], & [1345]. Arrangements of line shafting in a machine-shop or factory, with or without overhead travelling crane.

[1346]. Example of a line shaft, showing bearings (see [Section 46]), couplings (see [Section 16]), pulleys (see [Section 3]), and gearing (see [Sections 3], [84]).

Shafts to be used as rollers are usually made hollow of wrought iron or other metal tube, tin plate, zinc plate, or sheet iron riveted; or sometimes, as [No. 1342], of wood laggings fixed to solid polygonal blocks or centres, either continuous or in short pieces fixed at intervals.