What parts are commonly used in CNC machining?

As we all know,CNC machiningIt is suitable for complex machining, multiple processes, high requirements and demands, various types of ordinary lathes and various fixtures, as well as parts that require multiple clamping and adjustments. Its processing objects are mainly box parts, complex curved surfaces, special-shaped parts, composite plate parts and CNC processing.

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(1) Box parts

Box-shaped parts generally refer to parts with a porous system, internal cavities, and a certain proportion of length, width, and height. Such parts are mainly used in lathes, automobiles, aircraft manufacturing and other industries. Box parts generally require multi-station hole and surface processing, and have high tolerance requirements, especially the tolerance requirements for shape and position are relatively strict. They often undergo milling, drilling, reaming, reaming, spot welding, tapping and other processes that require more tools. Used for processing box parts during processing. When there are multiple processing stations and only parts can be processed, boring and milling processing is generally selected.

(2) Complex surfaces

Complex surfaces play a very important role in mechanical manufacturing, especially in the aerospace industry. It is difficult or even impossible to complete complex surfaces using ordinary machining methods. In China, the traditional casting method is accurate casting, which can be imagined to be less precise. Complex curved parts.

(3) Special-shaped parts

Special-shaped parts are irregular parts, most of which require multi-station processing of points, lines and surfaces. The stiffness of special-shaped parts is generally poor, the clamping deformation is difficult to control, and the machining accuracy is difficult to guarantee. Some parts are even difficult to complete with ordinary machine tools. When processing with in-process processing, reasonable process measures should be taken for one or two clampings, and the processing characteristics of the in-process processing are mixed with multiple stations to complete multiple or all processes.

(4) Discs, sleeves and plates

For disc parts with keyways or radial holes or distributed hole systems, curved disc sleeves or shaft parts, such as flange sleeves, keyway or square head shaft parts and porous processing plates, vertical processing should be selected. For example, various motor end faces with distributed holes and curved disc parts should be processed horizontally with radial holes.