NOTE
For valved systems, the Hot Half is provided with valve pins installed. Refer
to the General Assembly drawing for instructions. For valve assembly
details refer to “Section 10 - Hydraulic / Pneumatic Actuators” on page
10-1.
Check that the nozzle well depth (L) in the cavity plate is to Mold-Masters
specications. See Figure 7-1.
1. Attach a crane that is rated to support the weight of the cavity plate.
2. Check that all wires are in the retainer grooves.
3. Be careful to not damage the gates seals when installing the cavity plate
to the manifold plate.
4. Leave the Hot Half in a horizontal position.
5. Ensure the cavity plate is clean and undamaged before assembly.
6. Heat the manifolds to 180°C (365°F).
IMPORTANT
Heating the manifolds expands the system slightly to eliminate the cold
clearance and ensures the nozzles are perpendicular to the manifold.
Do not install the cavity plate on a cold manifold.
7. When the manifolds reach 180°C (365°F), install the cavity plate on the
manifold plate. If the plate does not assemble easily, remove the cavity
plate and check for interference. Be careful to not damage the gate seals.
8. Install the mounting screws and torque to the required specications. See
the “Table 15-10 Torque Chart for Plate Assembly Screws” on page 15-26.
9. Attach a crane that is rated to support the weight of the mold (Cold Half).
10. Lock out and tag out the machine according to the documented
procedures.
11. Latch the Hot Half to the Cold Half.
12. Install the mold into the molding machine. Refer to the machine
manufacturer’s documentation for procedures.
13. Torque the mold mounting screws to required specications. Refer to
machine manufacturer’s documentation for torque values.
14. Connect wire lines, hydraulic, pneumatic and electrical components, as
required.
15. Remove latches.
Hot Half Assembly - continued
7-2
© 2020 Mold-Masters (2007) Limited. All Rights Reserved.
HOT HALF ASSEMBLY
Hot Runner User Manual
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