各种加工工艺能够达到的零件表面粗糙度.doc

各种加工工艺能够达到的零件表面粗糙度加 工 方 法表面粗糙度Ra/mRz/m自动气割、带锯或圆盘锯割断108040320切 断车108040320铣104040160砂 轮1.2556.320车削外圆粗 车5202080半精车金 属2.5101040非金属1.2556.320精 车金 属0.6353.220非金属0.322.51.610细 车（或金刚石车）金 属0.161.250.86.3非金属0.080.630.43.2车削端面粗 车5202080半精车金 属2.5101040非金属1.25106.320精 车金 属1.25106.340非金属1.25106.340细 车金 属0.321.251.66.3非金属0.161.250.86.3切 槽一次行程10204080二次行程2.5101040高速车削0.161.250.86.3钻f15mm2.5101040f15mm54020160扩 孔粗（有表皮）5202080精1.25106.340锪倒角（孔的）1.2556.320带导向的锪平面2.5101040镗 孔粗 镗5202080半精镗金 属2.5101040非金属1.25106.340精 镗金 属0.6353.220非金属0.322.51.610细 镗（或金刚石镗）金 属0.161.250.86.3非金属0.160.630.83.2高速镗0.161.250.86.3圆柱铣刀铣削粗2.5201080精0.6353.220细0.321.251.66.3铰 孔半细铰（一次铰孔）钢2.5101040黄 铜1.25106.340精 铰（第二次铰）铸 铁0.6353.220钢、轻合金0.632.53.210黄铜、青铜0.321.251.66.3细 铰钢0.161.250.86.3轻合金0.321.251.66.3黄铜、青铜0.080.320.41.6端铣刀铣削粗2.5201080精0.3251.620细0.161.250.86.3高速铣削粗0.632.53.210精0.160.630.83.2刨 削粗5202080精1.2556.320细（光整加工）0.161.250.86.3槽的表面2.5101040插 削粗104040160精1.25100.340拉 削粗0.322.501.610精0.080.320.41.6推 削精0.161.250.86.3细0.020.630.13.2外圆磨内圆磨半精0.63103.240精0.161.250.86.3细0.080.320.41.6用精密修整的砂轮磨削0.020.080.10.4镜面磨削（外圆磨）0.080.4平面磨精0.321.251.66.3细0.040.320.21.6珩 磨粗（一次加工）0.161.250.86.3精（细）0.020.320.11.6研 磨粗0.160.630.83.2精0.040.320.21.6细（光整加工）0.080.4超精加工精0.081.250.46.3细0.040.160.20.8镜面的（两次加工）0.040.2刮粗0.6353.220精0.040.630.23.2抛 光精0.081.250.46.3细（镜面的）0.020.160.10.4砂带抛光0.080.320.41.6砂布抛光0.082.50.410电抛光0.012.50.0510螺纹加工切 削板牙、丝锥、自开式板牙头0.635203.2车刀或梳刀车、铣0.63103. 240磨0.161.250.86.3研 磨0.041.250.26.3滚 轧搓丝模0.632.53.210滚丝磨0.162.50.810齿轮及花键 加 工切 削粗 滚1.2556.320细 滚0.632.53.210细 插0.632.53.210细 刨0.6353.220拉1.2556.320剃 齿0.161.250.86.3磨0.081.250.46.3研0.160.630.8