Medical moulds, various moulds and tools used in industrial production to obtain the required products by injection moulding, blow moulding, extrusion, die-casting or forging moulding, smelting, and stamping.

In short, a mould is a tool used to make moulded objects. This tool is composed of various parts, and different moulds are composed of different parts. It mainly realizes the processing of the shape of the article by changing the physical state of the formed material. Known as the "Mother of Industry".

Under the action of external force, the blank becomes a tool with a specific shape and size. It is widely used in punching, die forging, cold heading, extrusion, powder metallurgy parts pressing, pressure casting, and compression moulding or injection moulding of engineering plastics, rubber, ceramics and other products.

The mould has a specific contour or cavity shape, and the contour shape with a cutting edge can be used to separate the blank according to the contour shape (punching). The application of the cavity shape can make the blank obtain the corresponding three-dimensional shape. The mould generally includes two parts: a movable mould and a fixed mould (or a convex mould and a concave mould), which can be separated or combined. The parts are taken out when separated, and the blanks are injected into the mould cavity to form when closed.

The mould is a precision tool with a complex shape and can withstand the expansion force of the blank. It has high requirements for structural strength, rigidity, surface hardness, surface roughness and processing accuracy. The development level of mould production is one of the important signs of the level of mechanical manufacturing.

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