V Process Molding Line

V process molding line technology

A. will pre heat the plastic film under negative pressure and suck it on the whole surface of the pattern and the template, then spray the fast drying coating evenly on the film.

B. put the sandbox with the suction chamber.

C. filling without binder, dry sand and water additions, while sand edge slightly vibration, to ensure that the dry sand fill sand box. Scrape the flat, and cover the material film at the top of the sand box and vacuum through the wall of the box box.

D. turn over the box and start the mold. Due to the effect of atmospheric pressure, the plastic film is evenly pasted on the sand mold, and the molding sand is in a tight state. The sample is taken out to achieve the sand mold with a hardness of about 90 degrees.

E. type, the negative pressure of the mold has been maintained until the casting is completed.

F. negative pressure is released, the mold breaks on its own, can be easily removed from the mold dry sand casting.

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