Abstract
This text main contents is the top of the foundation which is having already designed good structure according to provide of finished product diagram, design one the in keeping with sand type cast of molding tool and the craft in the finished product production line. The molding tool design mainly includes the type of cent the choice of the noodles. The design that the match. In consideration of the size of the empress of the constringency rate compute. Sprinkle a design of note the way. Produce a craft to mainly consider sprinkle to note of influence and empress expect of processing, sprinkle to note in consideration of the cooling and constringency of metals liquid. The loosens bore. The emissions of the air expect to handle to then clean a cold iron behind. Sprinkle to emit、Whole pure、Throw pill and spray paint...etc..
Keywords: Cast Molding Design Cent Type Sprinkle System
Linear Percentange Of Shrinkage