Study on Discrete Manufacturing Quality Control Technology Based on Big Data and Pattern Recognition

Table 1

Division of typical working conditions.

Typical working conditions	Key quality control points	Quality range/mm	Solution
1	Spiral pattern	0.2–0.5	No optimization
	Straightness	0.4–0.9
2	Spiral pattern	0.45–0.6	Parameter optimization of centerless grinding process
	Straightness	0.6–0.9	No optimization
3	Spiral pattern	0.45–0.7	Optimization of cold drawing and scraper process parameters
	Straightness	0.4–0.85	No optimization
4	Spiral pattern	0.3–0.65	Optimization of cold drawing and scraper process parameters
	Straightness	0.8–1.2	Straightening; centerless grinding process parameter optimization
5	Spiral pattern	0.2–0.5	No optimization
	Straightness	0.6–1.1	Parameter optimization of centerless grinding process