【正文】 0 根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—38(41)選取數(shù)據(jù)鉆頭直徑D = 20 mm 切削速度V = mm切削深度ap = 10 mm 進(jìn)給量f = mm/r則主軸轉(zhuǎn)速n = 1000v/D = 945 r/min—30 按機(jī)床選取n = 1000 r/min則實(shí)際鉆削速度V = Dn/（100060） = m/s 鉆削工時(shí)為：—7L = 10 mm L1 = mm L2 = 基本時(shí)間tj = L/fn = (10++)/(1000) = min—41 輔助時(shí)間ta = min—42 其他時(shí)間tq = min(2) 擴(kuò)小頭孔 選用鉆床Z3080根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—53選取數(shù)據(jù)擴(kuò)刀直徑D = 30 mm 切削速度V = m/s切削深度ap = mm 進(jìn)給量 f = mm/r則主軸轉(zhuǎn)速n =1000v/D = 203 r/min—30 按機(jī)床選取n = 250 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 擴(kuò)削工時(shí)為：—7L = 10 mm L1 = 3 mm基本時(shí)間tj=L/fn=(10+3)/(250)= min—41 輔助時(shí)間ta= min(3) 鉸小頭孔 選用鉆床Z3080根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—81選取數(shù)據(jù)鉸刀直徑D = 30 mm 切削速度V = m/s切削深度ap = mm 進(jìn)給量f = mm/r則主軸轉(zhuǎn)速n = 1000v/D = 140 r/min—31 按機(jī)床選取n = 200 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 鉸削工時(shí)為： —7L=10 mm L1 =0 L2=3 mm基本時(shí)間tj = L/fn = (10+3)/(200) = min—41 輔助時(shí)間ta = min 銑大頭兩側(cè)面 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—77(88)選取數(shù)據(jù)銑刀直徑D = 20 mm 切削速度V = m/s銑刀齒數(shù)Z = 3 切削深度ap = 4 mm af = mm/r則主軸轉(zhuǎn)速n = 1000v/D = 611 r/min—74 按機(jī)床選取n=750 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 銑削工時(shí)為：—10 L=40 mm L1=+= mm L2= mm基本時(shí)間tj = L/fmz = (40++)/(7503)= min—46 輔助時(shí)間ta = = min 擴(kuò)大頭孔選用鉆床床Z3080 刀具:擴(kuò)孔鉆根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—54選取數(shù)據(jù)擴(kuò)孔鉆直徑D = 60 mm 切削速度V = m/s進(jìn)給量f = mm/r 切削深度ap = mm 走刀次數(shù)I = 1則主軸轉(zhuǎn)速n = 1000v/D=410 r/min—41 按機(jī)床選取n=400 r/min則實(shí)際切削速度V=Dn/（100060）= m/s 擴(kuò)削工時(shí)為： —7L = 40 mm L1 = 3 mm L2 =3 mm 基本時(shí)間: 銑開連桿體和蓋 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—79(90)選取數(shù)據(jù)銑刀直徑D = 63 mm 切削速度V = m/s切削寬度ae = 3 mm 銑刀齒數(shù)Z = 24 切削深度ap = 2 mm af = mm/r d = 40 mm 則主軸轉(zhuǎn)速n = 1000v/D = 103 r/min—74 按機(jī)床選取n=750 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 銑削工時(shí)為： —10 L = = 17 mm L1 = +2 = 6 mm L2 = 2 mm基本時(shí)間tj= Li/FM = (17+6+2)/(148) = min—46 輔助時(shí)間ta== min 加工連桿體(1) 粗銑連桿體結(jié)合面 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—74（84）選取數(shù)據(jù)銑刀直徑D = 75 mm 切削速度V = m/s 切削寬度ae = mm 銑刀齒數(shù)Z = 8 切削深度ap=2 mm af = mm/r則主軸轉(zhuǎn)速n = 1000v/D = 89 r/min—74 按機(jī)床選取n = 750 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 銑削工時(shí)為： —10 L = 38 mm L1 = + = mm L2 = mm基本時(shí)間tj = L/fnz = (38++)/(608) = min—46 輔助時(shí)間ta== min(2) 精銑連桿體結(jié)合面 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—84選取數(shù)據(jù)銑刀直徑D = 75 mm 切削速度V = m/s銑刀齒數(shù)Z = 8 切削深度ap = 2 mmaf= mm/r 切削寬度ae= mm則主軸轉(zhuǎn)速n = 1000v/D =107 r/min—74 按機(jī)床選取n = 750 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 銑削工時(shí)為：—10 L = 38 mm L1 = + = mm L2 = mm基本時(shí)間tj = L/fmz = (38++)/(608) = min—46 輔助時(shí)間ta = = min(3) 粗锪連桿兩螺栓底面 選用鉆床Z3025根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—67選取數(shù)據(jù)锪刀直徑D = 28 mm 切削速度V = m/s锪刀齒數(shù)Z = 6 切削深度ap = 3 mm 進(jìn)給量f = mm/r則主軸轉(zhuǎn)速n = 1000v/D = r/min—30 按機(jī)床選取n = 750 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 锪削工時(shí)為： —7L = 28 mm L1 = mm 基本時(shí)間tj = L/fn = (28+)/(7508) = min(4) 銑軸瓦鎖口槽 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—90選取數(shù)據(jù)銑刀直徑D = 63 mm 切削速度V = m/s銑刀齒數(shù)Z = 24 切削深度ap = 2 mm 切削寬度ae = mm af = mm/r 則主軸轉(zhuǎn)速n = 1000v/D = 94 r/min—74 按機(jī)床選取n=100 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 銑削工時(shí)為： —10 L = 5 mm L1=63+ = 33 mm L2 = mm基本時(shí)間tj=L/fmz=(5+33+)/(10024)= min—46 輔助時(shí)間ta== min(5) 精銑螺栓座面 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—90選取數(shù)據(jù)銑刀直徑D = 63 mm 切削速度V = m/s銑刀齒數(shù)Z = 24 切削深度ap = 2 mm 切削寬度ae = 5 mm af= mm/r 則主軸轉(zhuǎn)速n = 1000v/D = 142 r/min—31 按機(jī)床選取n = 150 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 銑削工時(shí)為： —10 L = 28 mm L1 = + = 19 mm L2 = 3 mm基本時(shí)間tj=L/fmz = (28+19+3)/(15024) = min—46 輔助時(shí)間ta = = min(7) 精磨結(jié)合面 選用磨床M7130根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—170選取數(shù)據(jù)砂輪直徑D = 40 mm 切削速度V = m/s 切削深度ap = mm 進(jìn)給量fr0 = mm/r則主軸轉(zhuǎn)速n = 1000v/D = 157 r/min—48 按機(jī)床選取n = 100 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 磨削工時(shí)為： —11 基本時(shí)間tj= = min (= k=1 z=8) 銑、磨連桿蓋結(jié)合面(1) 粗銑連桿上蓋結(jié)合面 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—74（84）選取數(shù)據(jù)銑刀直徑D = 75 mm 切削速度V = m/s切削寬度ae = 3 mm 銑刀齒數(shù)Z = 8 af = mm/r 則主軸轉(zhuǎn)速n = 1000v/D = 89 r/min—74 按機(jī)床選取n = 100 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 銑削工時(shí)為：—10 L = 38 mm L1 = + = 16 mm L2 = mm基本時(shí)間tj = L/fmz=(38+16+)/(1008) = min—46 輔助時(shí)間ta== min(2) 精銑連桿上蓋結(jié)合面 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—84選取數(shù)據(jù)銑刀直徑D = 75 mm 切削速度V = m/s切削寬度ae = mm 銑刀齒數(shù)Z = 8 進(jìn)給量f = mm/r 則主軸轉(zhuǎn)速n = 1000v/D = 107 r/min—74 按機(jī)床選取n = 110 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 銑削工時(shí)為： —10 L = 38 mm L1 = + = mm L2 = mm基本時(shí)間tj = L/fmz = (38++)/(1108) = min—46 輔助時(shí)間ta== min(3) 粗銑螺母座面 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—88選取數(shù)據(jù)銑刀直徑D = 63 mm 切削速度V = m/s銑刀齒數(shù)Z = 24 切削寬度ae = 5 mm af = mm/r 則主軸轉(zhuǎn)速n