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1. It is recommended that all molds be equipped with positioning rings. Although there is no positioning ring to save its cost, there is no positioning ring, which will not only cause safety hazards of leaking glue, but also increase the time for mold change when changing molds. The cost of destroying the electric heating ring can save the cost of the positioning ring;

2. Immediately check the reason for the loosening of the turret tightening screws and tighten them; the corresponding verification method: before production, hold the tractor on the cylindrical shooting table and move forward, when encountering the mold, whether the touch nozzle and the mold sprue sleeve are in the same parallelism You can also use plastic paper to pad the plastic mouth of the mold. After the nozzle encounters the mold, withdraw it to see if the paper hole is consistent with the nozzle hole;

3. Due to the damage of the mold sprue bushing and the nozzle mouth, temporary preventive measures: use a soft metal material such as copper sheet to pad the mold sprue bushing, the nozzle will be tight when it meets the copper sheet when it moves forward, and then it will be on the nozzle. After opening a hole in the mouth position, place the copper sheet on the mold rubber sleeve again according to the previous resisting position, and use the nozzle against the production; permanent precautions: the opposite sprue sleeve or nozzle re-grind to make the sprue sleeve The R angles of both the nozzles on the turret and the turret are leveled and touched;

4. Glue leakage caused by the mismatch of the R angles of the sprue sleeve or the nozzle, remove and replace the sprue sleeve or the nozzle to keep the R angle of the sprue sleeve and the nozzle consistent;