Mould
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For example, welding fixture, inspection fixture, assembly fixture, machine tool fixture and so on, among which machine tool fixture is very common, often referred to as fixture. When the workpiece is processed on the machine tool, in order to make the surface of the workpiece can reach the size of the drawings, geometric shape and the accuracy of the mutual position with other surfaces and other technical requirements, the workpiece should be installed (positioning) and clamped (clamping) before processing.
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Mould
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For example, welding fixture, inspection fixture, assembly fixture, machine tool fixture and so on, among which machine tool fixture is very common, often referred to as fixture. When the workpiece is processed on the machine tool, in order to make the surface of the workpiece can reach the size of the drawings, geometric shape and the accuracy of the mutual position with other surfaces and other technical requirements, the workpiece should be installed (positioning) and clamped (clamping) before processing.
The type of fixture can be divided into: ① general fixture. Such as machine vise, chuck, sucker, dividing head and rotary table, etc., have great versatility, can better adapt to the processing process and processing object transformation, its structure has been finalized, size, specifications have been serialized, most of them have become a standard machine tool accessories. ② Special fixture. It is specially designed and manufactured for the clamping needs of certain product parts in a certain process. The service object is specific and highly targeted. It is generally designed by the product manufacturer. Commonly used are lathe jig, milling machine jig, drill die (guide the tool in the workpiece with drilling or reaming holes), boring die (guide boring rod in the workpiece boring fixture) and accompanying jig (for the combination of machine tool automatic line on the mobile jig). ③ Adjustable fixture. Special clamps in which components can be replaced or adjusted. (4) Combination fixture. The fixture consists of standardized components of different shapes, specifications and uses, suitable for new product trial production and frequent replacement of the product single piece, small batch production and temporary tasks.
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