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A stencil has a specific contour
Apr 14, 2017

Molds, industrial production for injection molding, blow molding, extrusion, die-casting or forging molding, smelting, stamping and other methods to obtain the required products of various molds and tools. In short, the mould is a tool used to make molded items, which are made of various parts, and different molds are made up of different parts. It is mainly through the material physical state changes to achieve the shape of the processing of goods. Known as the "Mother of Industry" title. A tool for making blanks with specific shapes and sizes under external force. Widely used in blanking, die forging, Leng Dun, extrusion, Powder metallurgy parts suppression, pressure casting, as well as engineering plastics, rubber, ceramics and other products of plastic or injection molding processing. The mould has a specific contour or cavity shape, and the contour shape with edge can be used to separate the blanks by contour shape. The cavity shape can be used to make the blanks get the corresponding three-dimensional shape. The mold generally includes both the dynamic and the fixed die (or the convex die and the concave die), the two parts can be separated. When the workpiece is removed separately, the billet is injected into the mould cavity when folded. Mold is a precision tool, complex shape, bearing the swelling force of the blanks, structural strength, stiffness, surface hardness, surface roughness and machining accuracy have higher requirements, mold production level of development is an important indicator of mechanical manufacturing level.

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