1、車削切削用量選取參考表車削切削用量選取參考表外圓車削背吃刀量選擇表（端面切深減半）外圓車削背吃刀量選擇表（端面切深減半）長度≤100＞100～250＞250～500＞500～800＞800～1200＞1200～2000軸徑半精精車半精精車半精精車半精精車半精精車半精精車≤100.80.20.90.210.3——————＞10～180.90.20.90.310.31.10.3————＞18～3010.310.31.10.31.30.41.

2、40.4——＞30～501.10.310.31.10.41.30.51.50.61.70.6＞50～801.10.31.10.41.20.41.40.51.60.61.80.7＞80～1201.10.41.20.41.20.51.40.51.60.61.90.7＞120～1801.20.51.20.51.30.61.50.61.70.720.8＞180～2601.30.51.30.61.40.61.60.71.80.820.9＞260～

3、3601.30.61.40.61.50.71.70.71.90.82.10.9＞360～5001.40.71.50.71.50.81.70.81.90.92.211、粗加工，表面粗糙度為Ra50～12.5時(shí)，一次走刀應(yīng)盡可能切除全部余量。2、粗車背吃刀量的最大值是受車床功率的大小決定的。中等功率機(jī)床可以達(dá)到8～10mm。高速鋼及硬質(zhì)合金車刀車削外圓及端面的粗車進(jìn)給量高速鋼及硬質(zhì)合金車刀車削外圓及端面的粗車進(jìn)給量切深≤33～55～88～1

4、2＞12工件材料車刀刀桿尺寸(mm)工件直徑(mm)進(jìn)給量fmmr200.3～0.4————400.4～0.50.3～0.4———600.5～0.70.4～0.60.3～0.5——碳素結(jié)構(gòu)鋼、合金結(jié)構(gòu)鋼、耐熱鋼16251000.6～0.90.5～0.70.5～0.60.4～0.5—車削切削速度參考數(shù)值表車削切削速度參考數(shù)值表硬質(zhì)合金刀具高速鋼刀具未涂層涂層陶瓷(超硬材料)刀具v(mmin)加工材料硬度背吃刀量αp(mm)v(mmin)f

5、(mmr)焊接式可轉(zhuǎn)位f(mmr)材料v(mmin)f(mmr)v(mmin)f(mmr)說明155900.180.2185－240220－2750.18YT153204100.185507000.13441700.4135－185160－2150.5YT142152750.44255800.25低碳100～200834550.5110－145130－1700.75YT51702200.53354900.41520.21652000.1

6、8YT153050.185200.134400.41251500.5YT142000.43950.25易切碳鋼中碳175～2258300.51001200.75YT51600.53050.4切削條件好，可用冷壓Al2O3陶瓷，較差時(shí)宜用Al2O3＋TiC熱壓混合陶瓷。下同。143460.181401501701950.18YT152602900.185205800.13434330.41151251351500.5YT141701900

7、.43654250.25低碳100～200827300.5881001051200.75YT51351500.52753650.4134400.181151301501600.18YT152202400.184605200.13423300.4901001151250.5YT141451600.42903500.25中碳175～225820260.57078901000.75YT51151250.52002600.4130370.181

8、151301401550.18YT152152300.184605200.13424270.488951051200.5YT141451500.42753350.25碳鋼高碳175～225818210.5697684950.75YT51151200.51852450.4141460.181351501701850.18YT152202350.185205800.13432370.41051201351450.5YT141751900.4

9、3653950.25低碳125～225824270.584951051150.75YT51351450.52753350.4134410.181051151301500.18YT151752000.184605200.13426320.485901051200.40.5YT141351600.42803600.25中碳175～225820240.5677382950.50.75YT51051200.52202650.4130370.18

10、1051151351450.18YT151751900.184605200.13424270.484901051150.5YT141351500.42753350.25合金鋼高碳175～225817210.5667282900.75YT51051200.52152450.4—120260.18901051151350.18YT151501850.183804400.13415200.46984901050.4YT141201350.42

11、052650.25高強(qiáng)度鋼225～350812150.5536669840.5YT5901050.51452050.4＞300HBS時(shí)宜用W12Cr4V5Co5及W2Mo9Cr4VCo8115240.130.1876105851250.18YW1YT151151600.184204600.13412200.250.46084691000.4YW2YT14901300.42502750.25高速鋼200～225加工W12Cr4V5Co5等