
数控切削参数表.docx
24页碳素结构钢的力学性能(GB700-88) 牌号等级拉伸试验冲击试验屈服点σs/MPa抗拉强度σb/MPa伸长率δ5/%温度/CV型冲击功(纵向)/J钢材厚度(直径)/mm钢材厚度(直径)/mm≤16>16~40>40~60>60~100>100~150>150≤16>16~40>40~60>60~100>100~150>150不小于不小于不小于Q195—(195)(185)————315~3903332——————Q215A215205195185175165335~410313029282726——B2027Q235A235225215205195185375~460262524232221——B2027C0D-20Q255A255245235225215205410~510242322212019——B2027Q275—275265255245235225490~610201918171615——注:A、B、C为质量等级,D级为优质级铣削加工常用切削速度 经验值(m/min)工件材料铸铁钢及其合金铝及其合金刀具材料高速钢硬质合金高速钢硬质合金高速钢硬质合金铣粗铣10~2040~6015~2550~80150~200350~500精铣20~3060~12020~4080~150200~300500~800镗粗镗20~2535~5015~3050~7080~150100~200精镗30~4060~8040~5090~120150~300200~400钻 孔15~25—10~20—50~70—扩孔通孔10~1530~4010~2035~6030~40—沉孔8~1225~308~1130~5020~30—铰孔6~1030~506~2020~5050~75—攻螺纹2.5~5—1.5~5—5~15— 铣削时的切削速度整理为word格式加工材料硬度HB切削速度(m/min)高速钢铣刀硬质合金铣刀低碳钢 中碳钢 高碳钢 合金钢 高速钢灰铸铁 可锻铸铁 铸钢 铝合金125~175 175~225 225~275275~325 325~375 375~425 175~225 225~275 275~325 325~375 375~425200~250100~140 140~190 190~220 220~260 260~320110~160 160~200 200~240 240~280100~160 160~200 200~225 24~42 21~40 18~3615~27 9~21 7.5~1521~36 18~33 15~27 12~21 9~15 6~12 21~36 15~30 12~27 7.5~18 5~1512~2324~36 21~30 15~24 9~18 4.5~1042~60 24~36 12~24 9~2118~27 15~24 12~21180~30075~150 70~125 60~11554~90 45~75 36~6075~135 68~120 60~105 53~90 45~68 36~54 75~130 60~120 55~100 37~80 30~6045~83110~150 68~120 60~105 45~90 21~30105~210 83~120 72~120 42~6068~105 60~90 53~75360~600 铣削加工每齿进给量推荐值 (mm/z)整理为word格式工 件材 料工件材料硬度(HB)硬 质 合 金高 速 钢端铣刀三面刃铣刀圆柱铣刀立铣刀端铣刀三面刃铣刀低碳钢~150150~2000.20~0.40.20~0.350.15~0.300.12~0.250.12~0.200.12~0.200.04~0.200.03~0.180.15~0.300.15~0.300.12~0.20.10~0.15中、高碳钢120~180180~220220~3000.15~0.50.15~0.40.12~0.250.15~0.30.12~0.250.07~0.200.12~0.20.12~0.20.07~0.150.05~0.20.04~0.20.03~0.150.15~0.300.15~0.250.1~0.200.12~0.20.07~0.150.05~0.12灰铸铁150~180180~220220~3000.2~0.50.2~0.40.15~0.30.12~0.30.12~0.250.10~0.200.2~0.30.15~0.250.1~0.20.07~0.180.05~0.150.03~0.100.2~0.350.15~0.30.10~0.150.15~0.250.12~0.200.07~0.12可锻铸铁110~160160~200200~240240~2800.2~0.50.2~0.40.15~0.30.1~0.30.1~0.30.1~0.250.1~0.20.1~0.150.2~0.350.2~0.30.12~0.250.1~0.20.08~0.20.07~0.20.05~0.150.02~0.080.2~0.40.2~0.350.15~0.30.1~0.20.15~0.250.15~0.20.12~0.20.07~0.12含C<3%合金钢125~170170~220220~280280~3200.15~0.50.15~0.40.1~0.30.03~0.20.12~0.30.12~0.250.08~0.20.05~0.150.12~0.20.1~0.20.07~0.120.05~0.10.05~0.20.01~0.10.03~0.080.025~0.050.15~0.30.15~0.250.12~0.20.07~0.120.12~0.20.07~0.150.07~0.120.05~0.1含C>3%合金钢170~2200.125~0.40.12~0.30.12~0.20.12~0.20.15~0.250.07~0.15整理为word格式220~280280~320320~3800.1~0.30.08~0.20.06~0.150.08~0.20.05~0.150.05~0.120.07~0.150.05~0.120.05~0.10.07~0.150.05~0.120.05~0.10.12~0.20.07~0.120.05~0.10.07~0.120.05~0.10.05~0.1工具钢退火状态HRC36HRC46HRC560.15~0.50.12~0.250.1~0.20.07~0.10.12~0.30.08~0.150.06~0.120.05~0.10.07~0.150.05~0.1--0.05~0.10.03~0.08--0.12~0.20.07~0.12--0.07~0.150.05~0.1--镁合金钢95~1000.15~0.380.125~0.30.15~0.20.05~0.150.2~0.30.07~0.2 数控铣削每齿进给量 经验值工件材料每齿进给量 (mm/z)粗铣精铣高速铣刀硬质合金铣刀高速铣刀硬质合金铣刀钢0.1~0.150.1~0.250.02~0.050.10~0.15铸铁0.12~0.20 0.15~0.30H13~H7孔加工方式余量(孔长度小于5倍直径)整理为word格式孔的精度孔的毛坯性质在实体材料上加工孔预先铸出或热冲出的孔H12,H13一次钻孔用车刀或扩孔钻镗孔H11孔径≤10:一次钻孔孔径>10~30:钻孔及扩孔孔径>30~80:钻孔、扩钻及扩孔;或钻孔,用扩孔刀或车刀镗孔及扩孔孔径≤80:粗扩和精扩;或用车刀粗镗和精镗;或根据余量一次镗孔或扩孔H10,H9孔径≤10:钻孔及铰孔孔径>10~30:钻孔、扩孔及铰孔孔径>30~80:钻孔、扩钻及铰孔;或钻孔,用扩孔刀镗孔、扩孔及铰孔孔径≤80:扩孔(一次或二次,根据余量而定)及铰孔;或用车刀镗孔(一次或二次,根据余量而定)及铰孔H8,H7孔径≤10:钻孔及一次或二次铰孔孔径>10~30:钻孔、扩孔及一次或二次铰孔孔径>30~80:钻孔、扩钻(或用扩孔刀镗孔),扩孔及一次或二次铰孔孔径≤80:扩孔(一次或二次,根据余量而定)一次或二次铰孔;或用车刀镗孔(一次或二次,根据余量而定)及一次或二次铰孔注:当孔径≤30m。












