Matters needing attention for hot runner of mold design
Mold design in Shanghai will often use hot channel glue, so the design of hot channel to pay attention to what?
1. The guide column of the hot tip shall be added to protect it. The height of the hot tip shall be high.
2. The ground side needs to be equipped with a water tank, which is 3-5mm deep and needs to be pressurized with the line plate. The cavity can be removed from the cutting body sent by the hot mouth company.
3. Open hot mouth with 3MM on the sealing tape, the top surface of hot mouth is 0.2-0.5mm lower than the flow channel or PL, which is used to release the thermal expansion of hot mouth, and the cavity of mold kernel is cut and reduced by hot mouth, so no changes can be made.
4. Apply adhesive at EWIKON hot tip and leave 0.3mm straight at sharp point to avoid repeated abrasion of the nozzle
5. For MOLDMASTER open hot mouth glue, please empty 0.2mm according to the drawing of hot mouth company to release the thermal expansion of hot mouth, and cut the cavity in other places according to the drawing given by hot mouth company.
6.MOLDMASTER needle valve hot tip injection, leaving 0.7mm with joint sealing, and cutting the cavity in other places according to the drawing given by hot tip company.
7. The glue should be kept in 0.3mm straight position at GUNTHER's hot mouth point to avoid repeated wear of the water mouth. The steel material here is damaged.