加工方法与表面粗糙度Ra值

1、不同加工方法可能达到的表面粗糙度Ra值加工方法表面粗糙度Ra/um0.0120.0250.050.0.20.40.81.63.26.312.52550100砂模铸造型壳铸造金属模铸造离心铸造精密铸造蜡模铸造压力铸造热车L模锻冷车L挤压冷拉锉刮削刨削粗半精精插削钻孑L扩孔粗精金钢镗孔镗孔粗半精精铰孔粗半精精拉削半精精滚铣粗半精精端面铳粗半精精车外圆粗半精精金钢车车端面粗半精精磨外圆粗半精精磨平面粗半精精珩磨平面圆柱研磨粗半精精抛光般精滚压抛光超精加工平面柱面化学磨电解磨电火花加工切割气锯车铣磨螺纹加工丝锥板牙梳铳滚车搓丝滚压磨研磨齿轮及花键加工刨滚插磨剃IaMe1.SurfacePr&duced

2、twCommonProriuctitiiiMetlwtULHjougknessATenge.K.d-Nicranasteir卜血CMkromehes眞in)0.050.0250.012502512.56.33.21.60.300.400.20010Prace沾(2000)(lMffl)(500)(250)(12J)値刃(32)(16F)(8(4)(2)EIibmCuttingSmsingSawingPlmi咯ShapinsrDrillingC!fmicalhliUinmjElett.DischargeMdliugB-roAhmgKeauimgEIkuoBesmiLjisa-Electro-Ch

3、aacijcilBaring,burningBarreFinishingElKtralucGiindin琴E.cdJerBiirrustLiiGrindnipwHoningElffctro-PolisliP-cliF-hingSnpeTfind&liLiiSand.CastingHotRjollingForgmgP*nri.Mold.CastingItKne&tmentCastingExEudiBgColdRolling,DraiogIhe匚玄站弋AenigeJjplicationLessFrequentApplicationHierangessliOTm宣bovearetypcaloftLe

4、prHigluercrilowar讪liesmrrvbeofetanijedrnackrspecialcondti108040320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细车金属0.161.250.86.3（或金刚石车）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

5、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Wfl5mm2.5101040fl5mm54020160扩孑L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镗孑L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细镗金属0.161.250.86.3（或金刚石镗）非金属0.160.630.83.2高速镗0.161.250.86.3圆柱铳粗2.5201080刀铳削精0.63

6、53.220细0.321.251.66.3铰孑L半细铰钢2.5101040（一次铰孔）黄铜1.25106.340精铰铸铁0.6353.220（第二次铰）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端铳刀粗2.5201080铳削精0.3251.620细0.161.250.86.3高速铳削粗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1040

7、40160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外圆磨半精0.63103.240内圆磨精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）0.080.321.251.66.3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）0.080.081.250.46.3细0.040.

8、160.20.8镜面的（两次加工）0.040.6353.220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、0.635203.2自开式板牙头车刀或梳0.63103.240刀车、铳磨0.161.250.86.3研磨0.041.250.26.3滚车L搓丝模0.632.53.210滚丝磨0.162.50.810轮及花切削粗滚1.2556.320键加工细滚0.632.53.210细插0.632.53.210细刨0.6353

9、.220拉1.2556.320剃齿0.161.250.86.3磨0.081.250.46.3研0.160.630.83.2滚轧热车L0.321.251.66.3冷车L0.080.320.41.6液压加工0.040.630.23.2钳工锉削0.63203.280砂轮清理58020320加工方法最高光洁度至砂模铸造6.3100壳型铸造6.3100金属模铸造1.650离心铸造1.625精密铸造0.812.5蜡模铸造0.412.5压力铸造0.46.3热轧6.3100模锻1.6100冷轧0.212.5挤压0.412.5冷拉0.26.3锉0.425刮削0.412.5刨削粗6.325半精1.66.3精0.4

10、-/1.6插削1.625钻孔0.825扩孔粗6.325精1.6-/6.3金刚镗孔0.050.4镗孔粗6.350半精0.86.3精0.4-/1.8铰孔粗1.612.5半精0.43.2精0.1-/1.6拉削半精0.43.2精0.1-/0.4滚铣粗3.225半精0.86.3精0.4-/1.6端面铣粗3.212.5半精0.46.3最低光洁度精0.2-1.6车外圆粗6.325半精1.612.5精0.2-1.6金刚车0.0250.2车端面粗6.325半精1.612.5精0.4-1.6磨外圆粗0.86.3半精0.21.6精0.0250.4磨平面粗1.63.2半精0.41.6精0.0250.4珩磨平面0.0251.6圆柱0.012z0.4研磨粗0.21.6半精0.050.4精0.0120.1抛光一般0.11.6精0.0120.1滚压抛光0.053.2超精加工平面0.012圆柱0.012z0.4化学磨0.825电解磨0.