Machine components -
ANGLE PLATE Right angled metal plate used to secure parts during machining or when taking measurements. ANVIL Heavy block on which to hammer and shape metals. APRON The function of a lathe apron is to carry the mechanism for sliding and surfacing motions and screw cutting. BACK GEARS Gears applied to machine tools to increase the number of speed changes obtainable with a cone or step pulley belt drive. BASTERED THREAD A screw thread which does not confirm to any recognized standard dimensions. BED One of the principal parts of a machine tool having accurately machined ways or bearing surfaces for supporting and aligning other movable parts of the machine. BELL CHUCK Hollow cylindrical chuck bolted to the main chuck for the purpose of giving additional support to work of awkward shape. BELT SHIFTER A flat hardwood strip of suitable length having shifter ...