Precautions for screw maintenance

1. Do not start the machine when the screw does not reach the preset temperature. 2, prevent metal debris and debris fall into the hopper, if the processing of recycled materials, they need to add magnetic hopper to prevent iron filings into the barrel. 3, the use of anti-salivating to ensure that the plastic cylinder completely melt, so as not to damage the drive system parts when the screw back. 4, the use of new plastic, should be the screw residue clean. 6, in the processing, try to make the material plasticization uniform, do not let metal foreign matter mixed into the material, reduce the screw rotation torque force.