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Good quality airproof V-process Casting Machine

History of Vacuum process casting machine

•From 1970s , China introduced the vacuum process casting technology and put this equipment into production. From that time we began to produce this equipment by ourself.

Our factory is a leading company in theV-Process casting machine producing field. We have 7-10 people professional technical team and strict quality control system. We sincerely hope to cooperate with home and abroad customers.

Process & Operating principle

V-process casting machine is only adopt dry sand (no water ,no binder,no tagger).

Then take use of heated EVA film covering on the mould to seal the flask.

After taking out the air from the flask by the vacuum pump,the sand mould will be tightened by the pressure difference.

Pouring to form the casting, in this period , keep the flask in the vacuum state.

This process use no chemical material ,it release little dust and low noise, so it's a physics molding way.

Also it's an efficient and cost-effective Machine.

Technology process

1. Heat the EVA film
2. Cover the heated EVA film on the mould(can be made from wood or aluminum)
3. Spray a coating in a certain baume degree
4. Put on the empty blask
5. sand-up the flask and vibrate to compaction
6. cover film on the full flask
7. vacuate the sand flask
8. lift flask
9. mould assembling
10. vacuate the whole mould
11. pouring
12. loose sand flask MAIN EQUIPMENTS 

13. •Vacuum stablized system: Vacuum pump, Vacuum meter, Surge tank, dust removal tank, steam separator
    •Molding system: Die shoe, Automatic  roast Laminator, sand molding box , Vibrating table,  Manipulator, Die lifter.
    •Sand reclamation system: Sand screen, Elevator, Conveyor. sand bin

    Advantages of  Vacuum process casting machine

    • The greatest advantage is eco-friendly
    • High sand recovery is 95%
    • Good castings demension accuracy
    • Reduce the lobor intensity
    • Low labor cost]
    • Keep working environment clean