... tank, machine frame, spool box, hand wheel, spindle, bevel gear, lead screw, nut, nut shelf, bearing box, cross beam, push-off ... candle moulding tube.2.2.4 The spool box is used for mounting the wick spool.3. ... rotate the hand wheel, through movement of the bevel gear, lead screw, nut and nut shelf, move the ... two ends to prevent damages in transportation. The box shall not be turned upside-down and shall ...