The precision of the processing of the quality of DEYUCNC CNC precision parts from China

The precision of the processing of the quality of DEYUCNC CNC precision parts from China
First, the interchangeability of parts
DEYUCNC CNC precision parts processing factory introduced that after long-term production and operation of the machine, some parts will inevitably wear out, deform and scrap, and replace with new parts. These parts are called accessories or spare parts. Accessories or spare parts can be operated without being repaired or selected, and are said to be interchangeable.
In order to achieve interchangeability, the dimensions, geometry, and the like of the parts must be made consistent when manufacturing parts. The so-called consistency does not require that the score be not bad (it is neither economical nor possible), as long as the size, geometry, etc. of the part are controlled within an allowable range, so that the part and the other parts have the same combination. Combine performance on the line. This allowed error range is the geometric tolerance.
Second, DEYUCNC CNC precision parts processing quality is expressed by machining accuracy:
Geometric accuracy
Geometric accuracy refers to the accuracy of the geometric shapes such as the surface or axis of the component, such as whether the line is straight, whether the surface is flat, and whether the positive sections on the cylinder are round or not. The allowable range of variation is represented by "shape tolerance", and the smaller the geometric tolerance number, the higher the shape accuracy.
2. Size accuracy
According to the analysis of precision parts processing manufacturers, dimensional accuracy refers to the accuracy of the dimensions of the parts after machining, and is expressed by “dimension tolerance”. When the dimensions of the parts are the same, the higher the accuracy, the smaller the tolerance number.
3. Position accuracy
DEYUCNC CNC precision parts processing factory introduction, positional accuracy refers to the accuracy of the position of each surface of the component parts, such as whether the two planes are parallel, vertical, whether the two axes are coaxial, etc., expressed by "position tolerance".
The tolerances of the above shapes and positions are referred to as "shape tolerances".
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