vacuum process flask
The history
Vacuum seal modeling technology (also called V method modeling) is the 1970s Japan invented and the successful development of a special casting method.
The technology
Vacuum process cast molding is a new metal molding technology and only adopt dry sand (no water, binder, tagger). It's automatic with a electric control system.
1. Make use of the heated EVA film covering on the model to seal flask.
2. Take out the air with vacuum pump. The sand mould is tightened by pressure difference.
3. Pouring to form the casting.
4. The course is physics molding way. Release little dust, so it's eco-friendly. And the sand recovery rate can reach at 95%.
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Process Steps
1.Mold foam pattern sections.
2.Age pattern to allow dimensional shrinkage.
3.Assemble pattern if it is a multiple piece pattern... |
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Fixed Type Vibration Table,Vibration Table |
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Lost Foam Molding Vibration Table&vibrating Compaction Table |
Lost Foam Molding Vibration Table&vibrating Compaction Table,Lost Foam Molding Machine |
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vacuum process casting and molding line vacuum sandbox |
Product Description
Vacuum airproof molding is a new type plastic technics, and adopt singleness dry sand(no water, bond, tagger), then it is hot ... |
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The history
Vacuum seal modeling technology (also called V method modeling) is the 1970s Japan invented and the successful development of a specia... |
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