Description

cavity: 2 / 4
mould built to N.A standards for operations in N.A.
mould deisign:
1. Complete, fully functional mould, including base platin
2. Core material is H-13 hardened to 48-50 Rc. The core will require upper and lower jump pins on their own air circuit. The core receive at #240 drawstone in the direction of release.
3. The cavity material is H-13 hardened to 48-50 Rc. The cavity water circuit will use vertical waterlines and use blade baffles as a flow separator inside the waterlines. The cavity moulding surface will be polished to an SPI #2 finish and flash chromed.O-rings for any water interface between cavity/cavity lip ring or cavity/gate pad will be machined into the cavity faces.
4.The cavity lip ring material is Be Cu high hard. Cavity moulding surfaces will need polishing to SPI #2 and flash chroming.
5.Gate pad material is H-13 hardened to 48-50 Rc. The cavity and gate pad must be match polished on the side-moulding surface. The polished area will require flash chroming. The bottom gate pad moulding surface must be drawstoned to a C-2 finish (400 stone)
6.The core air ring should be kept simple and made from H-13 hardened to 48-50 Rc.
7.the core cap should be made from Be Cu high hard, and match drawstoned to the core to aid release. The core cap will require (2) air poppets, and a centre ejector for release.

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