In the installation of hot runner, the need for attention and training points

In the installation of hot runner, the need for attention and training points


Precautions during installation:


1. Full inspection of hot runner, including all dimensions, resistance and quantity;


2. Full inspection of the mold and hot runner related parts of the size;


3. Before installing the panel, the hot runner must be carefully detected by the temperature controller to confirm its normal operation;


4. Before production, the hot runner must be checked with a multimeter, otherwise it is not allowed to start up;


5. Before closing the mold, it is necessary to shoot in the air. When shooting in the air, cover the B plate mold with cardboard, and then close the mold and test the mold.


In order to help customers use hot runner correctly, training should be carried out before operation, especially the following points:


1. The basic principle of hot runner. The hot runner keeps the plastic in the runner molten by electric heating. Here, it needs to be emphasized to the customers that when the hot runner works in the mold, it needs to have good insulation measures. Therefore, square iron can not be used to replace the hot runner when making the splitter plate cavity, which is very important in injection molding.


2. Learn to install and remove hot runner correctly. First of all, we must let customers know the sealing position of hot runner, which includes the sealing of hot nozzle and splitter plate, hot nozzle and die a plate, main nozzle and panel, valve needle and valve needle guide sleeve, and main nozzle and hot runner plate.


3. Maintenance of hot runner. To make customers realize that once there is a problem with the hot runner, it must be removed from the mold for repair, which takes at least 8 hours. For customers, the cost of loss is about 10 times that of hot runner suppliers. Therefore, it is very important to maintain the hot runner by special person