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What processing steps do you need to process CNC lathe machining parts?

March 11, 2023

What processing steps do you need to process CNC lathe machining parts?

(1) Material and heat treatment requirements

The given material and heat treatment requirements on the drawing are the basis for selecting the tool, the model of the CNC lathe, and determining the amount of cutting.

(2) Geometric conditions constituting the contour

When programming manually in turning, each node coordinate is calculated; in automatic programming, all geometric elements that make up the contour are defined. Therefore in points

Pay attention to the analysis of the map:

1 Whether the product drawing misses a certain size, making its geometrical conditions insufficient, affecting the composition of the contour;

2 Whether the position of the line of the product map is blurred or the size is unclear, so that programming cannot be started;

3 Whether the geometric conditions given in the product map are unreasonable, resulting in difficulty in mathematical processing.

4 Product drawing dimensioning method should be adapted to the characteristics of CNC lathe processing. Dimensions should be marked on the same basis or coordinate dimensions should be directly given.

(3) Dimensional accuracy requirements

Analyze the dimensional accuracy requirements of the pattern to determine whether it is possible to use the turning process and determine the process method for controlling the dimensional accuracy.

In the analysis process, it is also possible to perform some size conversions at the same time, such as incremental size and absolute size and size chain calculation. Using a CNC lathe

When cutting, the average of the maximum and minimum limit sizes is often taken as the size of the programming.

(4) Requirements for shape and positional accuracy

CNC lathe machining parts are more convenient in terms of the shape and positional accuracy of raw materials than traditional CNC lathes, and the standards are more relaxed. Given shape

Shape and position tolerances are an important basis for ensuring accuracy. When processing, the positioning reference and measurement reference determined according to the requirements can also be based on the special CNC lathe.

Some technical processing is required to effectively control the shape and positional accuracy.
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