11. What are the ways to ensure and improve processing accuracy?

1. Error prevention technology: Rational use of advanced processes and equipment to directly reduce the original error, transfer the original error, average the original error, 

and average the original error

2. Error compensation technology: online detection, automatic matching and grinding of even parts, active control of decisive error factors

12. What does the processing surface geometry include?

Geometric roughness, surface waviness, grain direction, surface defects

13. What are the physical and chemical properties of surface layer materials?

1. Cold work hardening of surface layer metal 2. Metallographic structure deformation of surface layer metal 3. Residual stress of surface layer metal

14. Try to analyze the factors that affect the surface roughness of cutting processing?

The roughness value is determined by: the height of the cutting residual area. Main factors: tool tip arc radius, main declination angle and secondary declination angle. Feed 

amount. Secondary factors: increased cutting speed. Appropriate selection of cutting fluid. Appropriate increase of rake angle of the tool to improve tool sharpening. quality

15. Try to analyze the factors that affect the surface roughness of grinding processing?

1. Geometric factors: The influence of grinding amount on surface roughness 2. The influence of grinding wheel particle size and grinding wheel dressing on surface 

roughness 2. The influence of physical factors: Plastic deformation of surface layer metal: Grinding amount Selection of grinding wheel

16. Try to analyze the factors that affect cold work hardening of cutting surfaces?

The influence of cutting quantity, the influence of tool geometry, the influence of machining material properties.