高速钢钻头扩孔钻孔的切削用量.docx

1、高速钢钻头扩孔钻孔的切削用量硬质合金外圆车刀常用切削速度（参考值）m/min工件材料热处理状态ap=0.32mmap=26mmap=610mm=0.080.3mm/r=0.30.6mm/r=0.61mm/r低碳钢易切钢热轧1401801001207090中碳钢热轧130160901106080调质10013070905070合金结构钢热轧10013070905070调质8011050704060工具钢退火9012060805070灰铸铁HBS5102.551.252.5不限0.250.40.40.50.50.60.150.250.250.40.40.60.100.150.150.20.20.3

2、5碳钢及合金钢510500.40.550.550.650.650.72.55500.250.30.30.350.30.51.252.51000.160.200.200.250.250.35注：r=0.5mm，用于1212以下刀杆，r1mm，用于3030以下刀杆，r2mm，用于3045及以上刀杆。硬质合金车刀粗车外圆及端面的进给量工件材料刀杆尺寸工件直径背吃刀量(mm)3355881212进给量f（mm/r）碳素结构钢、合金结构钢及耐热钢1625200.30.4400.40.50.30.4600.50.70.40.60.30.51000.60.90.50.70.50.60.40.54000.81

3、.20.71.00.60.80.50.620302525200.30.4400.40.50.30.4600.50.70.50.70.40.61000.81.00.70.90.50.70.40.74001.21.41.01.20.81.00.60.90.40.6铸铁及铜合金1625400.40.5600.50.80.50.80.40.61000.81.20.71.00.60.80.50.74001.01.41.01.20.81.00.60.820302525400.40.5600.50.90.50.80.40.71000.91.30.81.20.71.00.50.84001.21.81.21.6

4、1.01.30.91.10.70.9注：1、加工断续表面及有冲击的工件时，表内进给量应乘系数K0.750.85；2、在无外皮加工时，表内进给量应乘第数K1.1；3、加工耐热钢及其合金时，进给量不大于1mm/r；4、加工淬硬钢时，进给量应减小。当钢的硬度为4456HRC时，乘系数K=0.8；当钢的硬度为5762HRC时，乘系数K=0.5。5、可转位刀片的允许最大进给量不应超过其刀尖圆弧半径数值的80。不锈钢的铣削用量铣刀种类刀具材料铣削速度（m/s）进给速度（mm/s）立铣刀高速钢硬质合金0.250.330.671.670.501.250.501.25粗加工立铣刀高速钢0.300.420.751

5、.25圆片、三面刃铣刀高速钢硬质合金0.580.830.831.830.3310.331面铣刀硬质合金12.500.502.5硬质合金端面铣刀的铣削用量加工材料工序铣削深度(mm)铣削速度(m/min)每齿走刀量(mm/齿)钢粗24801200.20.4精0.511001800.050.2钢粗24601000.20.4精0.51901500.050.15钢粗2440700.10.3精0.51601000.050.1铸铁粗2550800.20.4精0.51801300.050.2铝及其合金粗253007000.10.4精0.5150015000.050.03镗孔切削用量工序工件材料铸铁钢铝及其合

6、金切削用量刀具材料切削速度m/min进给量mm/r切削速度m/min进给量mm/r切削速度m/min进给量mm/r粗镗高速钢20250.41.515300.350.71001500.51.5硬质合金35505070100250半精镗高速钢20350.150.4515500.150.451002000.20.5硬质合金507095135精镗高速钢7090D1级0.081001350.120.151504000.060.1硬质合金D级0.120.150.15备注：当采用高精度的镗刀头镗孔时，切削余量较小，直径上不大于0.2mm，切削速度可提高一些，铸铁件为100150m/min，钢件为150250

7、m?min，铝合金为200400M/min，巴氏合金为250500m/min，每转走刀量可在0.030.1mm范围内。攻螺纹切削速度(m/min)加工材料铸铁铜及钢铝及其合金切削速度2.551.55515常用螺纹的切削进给次数和背吃刀量mm公制螺纹螺距10152025303540牙深0649097412991624194922732598背吃刀量及切削次数1次070809101215152次040606070707083次020406060606064次01604040406065次01040404046次0150404047次0202048次015039次02英制螺纹牙寸2418161412

8、108牙深0678090410161162135516262033背吃刀量及切削次数1次080808080910122次040606060607073次0160305050606064次011014030404055次01302104056次016047次017高速车三角螺纹时的走刀次数螺距（mm）1.523456走刀次数粗车2334455667精车12222高速钢铰刀铰孔的切削用量工件材料铸铁钢及合金钢铝及其合金切削用量m/minmm/rm/minmm/rm/minmm/r铰刀直径(mm)610260.30.51.250.30.48120.30.51015260.511.250.40.581

9、20.511525260.81.51.250.50.68120.81.52540260.81.51.250.40.68120.81.540602612.1.81.250.50.68121.52钻孔的进给量钻头直径D(mm)进给量(mm/r)30.0250.05360.050.16120.10.1812250.150.38250.380.62高速钢钻头扩孔、钻孔的切削用量(mm/r)工件材料铸铁钢、铸钢铝、铜切削用量扩通孔( =1018m/min)沉孔( =812m/min)扩通孔( =1020m/min)沉孔( =814m/min)扩通孔( =3040m/min)沉孔( =2030m/min)

10、扩孔钻直径(mm)10150.150.20.150.20.120.20.080.10.150.20.150.215250.20.250.150.30.20.30.10.150.20.250.150.225400.250.30.150.30.30.40.150.20.250.30.150.240600.30.40.150.30.40.50.150.20.30.40.150.2601000.40.60.150.30.50.60.150.20.40.60.150.2备注：采用硬质合金扩孔钻加工铸铁时 。高速钢钻头加工铝件的切削用量钻头直径(mm)切削用量m/min纯铝铝合金(长切削)铝合金(短切削)

11、mm/rmm/rmm/r20500.030.20.050.250.030.13250.060.50.10.60.050.1525500.150.80.210.080.36高速钢钻头加工钢件的切削用量工件材料牌号或硬度切削用量钻头直径1661212222250铸铁HB160-200m/min1624mm/r0.070.120.120.20.20.40.40.8HB200-241m/min1018mm/r0.050.10.10.180.180.250.250.4HB300-400m/min512mm/r0.030.080.080.150.150.20.20.3钢35、45m/min825mm/r0

12、.050.10.10.20.20.30.30.4515Cr、20Crm/min1230mm/r0.050.10.10.20.20.30.30.45合金钢m/min818mm/r0.030.080.080.150.150.250.250.35铝钻头直径388252550钝铝m/min2050mm/r0.030.20.060.50.150.8铝合金（长切削）m/min2050mm/r0.030.250.10.60.21.0铝合金（短切削）m/min2050mm/r0.030.10.050.150.080.36铜黄铜、青铜m/min6090mm/r0.060.150.150.30.30.75硬青铜钻

13、头直径m/min1661212222250mm/r0.050.150.120.250.250.5铣削时的切削速度加工材料硬度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12517517522522527527532532537537542517522522527527532532537537542520025010014014019019022022026026032011016016020020024024028010016016020020022524422140183615279217.5152136183315271221915

14、6122136153012277.51851512232436213015249184.510426024361224921182715241221180300751507012560115549045753660751356812060105539045683654751306012055100378030604583110150681206010545902130105210831207212042606810560905375360600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10204060152

15、55080150200350500精铣203060120204080150200300500800镗粗镗202535501530507080150100200精镗30406080405090120150300200400钻孔152510205070扩孔通孔10153040102035603040沉孔812253081130502030铰孔610305062020505075攻螺纹2.551.55515铣削加工每齿进给量推荐值(mm/z)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1501502000.200.40.200.350.150.300

16、.120.250.120.200.120.200.040.200.030.180.150.300.150.300.120.20.100.15中、高碳钢1201801802202203000.150.50.150.40.120.250.150.30.120.250.070.200.120.20.120.20.070.150.050.20.040.20.030.150.150.300.150.250.10.200.120.20.070.150.050.12灰铸铁1501801802202203000.20.50.20.40.150.30.120.30.120.250.100.200.20.30.1

17、50.250.10.20.070.180.050.150.030.100.20.350.150.30.100.150.150.250.120.200.070.12可锻铸铁1101601602002002402402800.20.50.20.40.150.30.10.30.10.30.10.250.10.20.10.150.20.350.20.30.120.250.10.20.080.20.070.20.050.150.020.080.20.40.20.350.150.30.10.20.150.250.150.20.120.20.070.12含C3合金钢1251701702202202802803200.150.50.150.40.10.30.030.20.120.30.120.250.080.20.050.150.120.20.10.20.070.120.050.10.050.20.010.10.030.080.0250.050.150.30.150.250.120.20.070.120.120.20.070.150.070.120.050.1含C3合金钢1702202202802803203203800.1250.40.10.30.080.20.060.150.12