Hot runner thermocouple and the replacement of the heating wire method release date: 2019 - 06 - Read number 10:0 times

How to replace thermocouple and heating silk, in the hot runner will be discussed in this article for us: 1 and half away from the mould hot die 2 to unload the locating ring ( Another function of locating ring is fixed hot nozzle) 3 in order to remove the hot nozzle head, if need to unload die set mould 4 fixed plate with a small crowbar to remove hot nozzle, pay attention to the thermocouple wires and heating silk can't kneading 5 remove snap ring and the heating wire insulation cover 6 seize the hot nozzle head, clockwise and pull the heating wire to make it gradually outward from the hot nozzle 7 unload thermocouple 8 using the multimeter to check the thermocouple resistance to ensure that its resistance to 0 ohm ( Or have a smaller resistance) When replace thermocouple need new thermocouple front end bending device 10 new heating wire, heating wire should be as far as possible with hot nozzle body tiejin, heating wire front end should be arrived in front-end ring groove inner core body heat flow mouth 11 clockwise scroll heating wire, make its move to hot nozzle head 12 fitted with heating wire insulation plate, if heat shield is tight, check the heating wire is device in place 13 fitted with a snap ring 14 with reference to article 8 demand and view the thermocouple resistance 15 beware of hot nozzle in a hole, pay attention to don't damage the heater and thermocouple.