frattura della vite della macchina per lo stampaggio a iniezione

IL vite fracture temperature is also related, ma è raro, quasi tutta la vite stessa è di scarsa tenacità, o la vite è stata usata per molto tempo, rinnovare la vite!

IL stampaggio a iniezione Materiali are rough. Per esempio, aggiungendo GF [fibra di vetro] ai materiali di stampaggio a iniezione è la vite e la macchina più costose! This injection molding material has poor fluidity and requires a fast rate of fire! If you don’t master it well, the lighter has the rocket head and the inverse ring break, and the heavy one breaks the screw into knots! Screw breakage can be prevented. When using raw materials to add GF, if the machine is stopped for more than 3 minuti, it is necessary to clean the materie prime in the barrel when the machine is turned on. It is best to use PP with higher viscosity to clean the screw to prevent the decomposition of the injection molding raw materials to wrap the screw and rocket head. .

When cleaning, the rotation speed is reduced, so that the injection molding materials are fully melted when heated and rotated. The cleaning screw is the best for pin-point molds to prevent the glue channel from sticking to the static template. Use hot materials to start production!

When the work order is full, fermare e invecchierà in condizioni di luce e ossigeno macchina and complete the work, and the mass-produced product is enough. Stop the machine and clean the screw immediately, so that all the residual injection materials of the screw are discharged, and then use PP or clean the injection material of the screw.

Process problems, back pressure and screw breakage are also related! If the back pressure is too large, when feeding, the post-screw work force increases, which can also cause the screw to break! Per

The end point of the plastic injection cannot be zero, especially with a high-speed injection machine [accumulated gas] shooting can easily damage the rocket head! The projected residual volume should be controlled well. Remember, the most important thing is that the holding pressure time must be adjusted to zero after manual injection to prevent the end point of the injection from being zero!

The molding temperature must be controlled well. When starting up, pay attention to loosening and retreating before shooting, because when there is no loosening, there is a raw material package at the rocket head. If the material is washed or shot directly, it can directly cause the rocket head to break and the reverse ring to break. Remember to loosen it and then Shoot to separate the injection material of the rocket head from the rocket head! !

Remember that no matter what injection material is used, if the machine stops and does not produce, all the remaining injection material must be discharged to prepare for the next production!

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