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Size of blank or product is the size of the die & clearance is given on punch. It is a metal cutting operation. In blanking, metal obtained after cutting is not a scrap if it is usable. The size of the blank depends on the size of the die. So the size of the die opening is equal to the blank size. Clearance is given to the punch.
A die is a specialized machine tool used in manufacturing industries to cut and/or form material to a desired shape or profile. Stamping dies are used with a press, [1] as opposed to drawing dies (used in the manufacture of wire) and casting dies (used in molding) which are not. Like molds, dies are generally customized to the item they are ...
Usually, four guide pillars and guide bushes are used, out of which three pillars are of one diameter and one is of a different diameter, to force the plates into a single configuration (based on the "POKE YOKE" [mistake proof] concept). The register ring has interference fit in top plate and transmission fit with the injection molding machine ...
Ceramic mold casting, also known ambiguously as ceramic molding, [1] is a group of metal casting processes that use ceramics as the mold material. It is a combination of plaster mold casting and investment casting.
A draft of 2 to 3° is required. Wall thicknesses are limited to 3 to 50 mm (0.12 to 1.97 in). Typical part sizes range from 100 g to 75 kg (several ounces to 150 lb). Other advantages include the ease of inducing directional solidification by changing the mold wall thickness or by heating or cooling portions of the mold.
Comparison of spin casting to various other casting processes [1] Spin casting Die casting Injection molding Mold material Vulcanized rubber: Machined tool steel: Machined aluminum, brass or tool steel Casting material Zinc, tin, lead, pewter, thermoset plastics, pattern wax: Zinc, aluminum, magnesium: Most thermoplastics: Average cost of ...