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The birth of 3D printing technology is an impact on traditional prototyping manufacturing. Traditional prototyping is from 1 to X (prototype), usually removing excess material from block or bar-shaped materials. 3D printing, on the other hand, builds prototypes from 0 to X by layering and slicing the prototype design to get the product the customer ultimately wants. Currently, the 3D printing processes that GEXT can provide include SLA/SLS/SLM.
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Vaccum casting technology can also be called as silicone mold. The process is to make a high-precision model firstly, and then use the model to fabricate silicone molds, thereby completing small batch replication of the product and reducing production and manufacturing costs and time. After the silicone mold is made, it is placed in a vacuum infusion machine. The air in the mold is first evacuated to form a low-pressure environment, and then the material is injected. After filling, take it out and put it in the oven to speed up the solidification of the material. After the material solidifies, take out the mold and open the mold to get the desired product. By reciprocating the cycle, small batches of prototypes and molds can be obtained. Due to the service life of silicone, the optimal number of uses of a silicone mold is 10-25 times. The larger the product, the shorter the service life. Because the injected material is plastic in a molten state, it is easy to deform the silicone.
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Wire cutting refers to the use of linear tools (such as metal wires, molybdenum wires, etc.) to cut raw materials (conductive materials) and belongs to the category of electrical processing. It was discovered that the instantaneous high temperature of electric sparks can melt, oxidize and corrode local metal, thus creating and inventing the electric discharge machining method. At present, most wire cutting machine tools adopt microcomputer control systems and have a high degree of automation.
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EDM is the abbreviation of the English word Electrical Discharge Machining, which uses a continuously moving thin metal wire (called an electrode wire) to perform pulse spark discharge on the work piece to erode the metal and cut it into shape. It is mainly used to process various complex and precise work pieces, such as punches, concave dies, fixed plates, etc. EDM has outstanding advantages such as small machining allowance, high machining precision, short production cycle, and low manufacturing cost, and have been widely used in production.
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