The carriage is guided by the wheels z, which are secured to it, and run on the iron guideways z′, the flanges of the wheels preventing side play, and causing the carriage traverse to be in a straight line.
WOOD-PLANING MACHINES.
The simplest form of planing machine for wood work, is the hand planer or buzz planer, as it is termed, an example of this class of machine being shown in [Fig. 3152], which has been designed and constructed by George Richards, for the use of pattern-makers.
Fig. 3152.
It consists of a frame carrying a revolving shaft, which is by some called the cutter head, and by others the cutter bar, and to which the cutters or knives are attached.
The work is rested upon the work table, or else pressed against a guide or fence, and fed by hand over the revolving knives, whose cutting edges protrude above the surface of the table, to the amount of the depth of cut it is intended to take.
