... lead screw, nut, nut shelf, bearing box, cross beam, push-off tube and candle moulding tubes, etc.2.2 Performance2 ... placed and clamped.2.2.3 Lead heads and push-off tubes are used for the forming of the ... candle tip and the push of the candle from the candle moulding tube.2 ... nut shelf, move the cross rail and push the candle off tube. Put on the candle-holding dish to store the ...