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The installation of the hot runner is directly related to the quality of the product. The following points for attention in the installation of the hot runner are as follows:
1. Set up the mould, flatten the upper die, and clean all the holes and templates with the air gun.
2. Check the hole size, focus on the depth, remove the burrs on the
template. At the same time, check whether the screw holes of the
lock shunt plate and the center nail and the anti-dumping pin holes
have been processed or not. The master who made the hot runner
mould for the first time in this place often missed it.
3. Scavenge red pills at the sealant position of the hot nozzle and
the upper step position which cooperate with the mould.
4. Trial-assemble the hot nozzle, and then remove it to check
whether the sealing glue level rubs red and whether the step
position touches the mould. If not, stop the installation, check
the cause of the error and adjust it to ensure tight cooperation
and no leakage. Be careful not to touch the tip of the mouth during
this process.
5. Install all the hot nozzles, and install the central pad, the
central pin and the anti-reselling, and sweep red red potatoes on
the surface of the hot nozzles.
6. Check the level of the nozzle and the height of the central
cushion, and the error is within 0.05 mm.
7. Trial installation of shunt plate. Attention should be paid to
not missing the hot-nozzle sealing ring when formally installing
the shunt plate.
8. Check the cooperation between the shunt plate and the hot nozzle
to ensure that all of them meet Hongdan and do not leak glue.
9. Clean up the hot-tip wiring, make it neat and beautiful, and
number each group of lines in sequence, and connect the lines into
acne insertion.
10. Load the shunt plate formally, lock the fixed screw of the
shunt plate (pay attention to the balance, keep the four corners of
the shunt plate in the same height), control the meson of the shunt
plate is 0.10-0.15mm higher than the surrounding die frame plane,
and then sweep red red red on the shunt plate meson.
11. Trial-install the code template, check whether the plane meets
the meson red, and ensure that the template suppresses the splitter
plate meson.
12. Lock the die and stand it up. Check whether the match between
the gate and the tip meets the requirements from the parting
surface. To make the tip less than 0.1-0.2 mm of gate surface, the
tip should not be eccentric. Carefully detect each group of
circuits with multimeter, so that there is no short circuit,
circuit break, leakage, and so on. Each group of lines corresponds
correctly to ensure that all circuits are normal.
13. Connect the thermostat for trial heating, the first heating
should be within 100 C, keep 10 minutes for pre-heating and
dehumidification, protect the heater; then, warm up to the required
temperature, if normal, you can arrange the lifting die test.