Micro-machining quality assessment: scores machining accuracy, heat-affected-zone width, cutting speed and laser power against precision targets.
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Machining accuracy | IT6–IT8 precision machining | GB/T 1800.1-2020 |
| Heat-affected zone | HAZ set by peak temperature and cooling | Micromachining science |
| Thermal deformation | ΔL = α·L·ΔT | Thermal expansion |
| Specific cutting energy | u = F_c/(bh) | Metal cutting principles |
| Surface integrity | Roughness, residual stress, microcracks | GB/T 10610-2009 |
| Size effect | Nonlinear at micro scale (edge radius) | Micro-cutting research |
微加工(精度/热影响)评估工具,输入加工精度、热影响区宽度、切割速度和激光功率,综合评分评估微加工质量等级。加工精度权重40%,热影响区35%,效率25%,输出A~E级质量评定。适用于激光加工、微纳制造等精密加工工艺的质量评估。