04 mould bases - Óbudai egyetemold.bgk.uni-obuda.hu/ggyt/targyak/seged/bagim1ennb/4.pdf ·...

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Design and manufacturing of plastic injection mould

04 – Mould bases

Dr. Mikó Balázsmiko.balazs@bgk.bmf.hu

BAGIM1ENNB

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Mould inserts

Mould insert

Moving half, Core side, Ejection side, AS, B side

Part

Mould insert

State half, Cavity side, Injection side, DS, A side

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Standard mould elements

� Standard parts

� Finished, but it can be manufactured

� Cost effective

� Make or buy

� Different geometry (dep. on supplier)

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Suppliers

SANKIO

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Build up of mould base

� 2 plates mould base� 3 plates mould base

� Support plate

� Stripper plate

� Split state half

� Hot runner mould base� Split mould kit� Replaceable insert mould base

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2 plates mould base

Clamp plate

Clamp plate

Thermal insulation board

Ejector base plate

Ejector retaining plate

Riser plate

Core plate (B plate)

Cavity plate (A-plate)

Thermal insulation board

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Combined riser and clamp plate

� Less part� Simple assembly� Longer manufacturing time

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Mould plates

Shoulder for disassembly15-25x45°, 4-10 mm depth

Hole for craning (lifting)10 kg

Asymmetric position

Hole for guide pillar

Hole for screw

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Mould plates

Size:96x96 – 996x996

Requirements: Hardness, Tensile stressAccuracySurface roughness (grind)

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Round mould plates

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Core and cavity

� Inserted

� One piece (solid)

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Insert holder plate

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Positioning

Cavity holder plate

Insert

ScrewStraight pin

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Positioning

Cavity holder plate (frame)

Support plate

Insert

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Support plate

Support plate

Decrease the deformation

Part

�-----------------

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Support pillar

Anchor to the clamp plate by screw

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3 plate mould base

Part

Runner and sprue waste

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Stripper plate

Part

Stripper plate

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Hot runner mould base

Part

Manifold plate

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Manifold plate

1)

2)

3)

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Split mould kit

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Split mould kit

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Split mould kit

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Split mould kit

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Split mould kit

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Split mould kit

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Replaceable insert mould base

� Low amount of part� Similar parts� Same ejection point� Or no ejection system� Or replaceable ejection system

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Replaceable insert mould base

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Replaceable insert mould base

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Replaceable insert mould base

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Aluminium proto mould