【正文】 = 1000v/D = 103 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 = 28mm L1 = + = mm L2 = mm基本時(shí)間tj = L/fmz = (28++)/(10024) = min—46 輔助時(shí)間ta== 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) 精磨結(jié)合面 選用磨床M7350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、鉆、鏜（連桿總成體）(1) 精銑連桿蓋上兩螺母座面 選用銑床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—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 = 5 mm 銑刀齒數(shù)Z = 24切削深度ap = 2 mm af = mm/r 則主軸轉(zhuǎn)速n = 1000v/D = 142 r/min—74 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 = + = mm L2 = mm基本時(shí)間tj = L/fmz = (28++)/(15024) = min—46 輔助時(shí)間ta = = min（2）、從連桿上方鉆、擴(kuò)、鉸螺栓孔a) 鉆螺栓孔 選用鉆床Z3025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)切削速度V = m/s 切削深度ap = 5 mm進(jìn)給量f = mm/r 鉆頭直徑D = 10 mm則主軸轉(zhuǎn)速n = 1000v/D = 1910 r/min—30 按機(jī)床選取n = 910 r/min則實(shí)際切削速度V = Dn/（100060） = m/s鉆削工時(shí)為： —7 L = 34 mm L1 = mm L2 = 2 mm基本時(shí)間tj = L/fn = (34++2)/(1910) = min—41 輔助時(shí)間ta = min—42 其他時(shí)間tq= minb) 擴(kuò)螺栓孔 選用鉆床Z3025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 = 10 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 = 764 r/min—30 按機(jī)床選取n=764 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 擴(kuò)削工時(shí)為： —7L = 34 mm L1 = 2 mm基本時(shí)間tj = L/fn = (34+2)/(764) = min—41 輔助時(shí)間ta= minc）鉸螺栓孔 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 = 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： —7 L = 34 mm L1 = 2 mm L2 = 3 mm 基本時(shí)間tj = L/fn = (34+2+3)/(200) = min (3) 從連桿蓋上方給螺栓孔口倒角根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—67選取數(shù)據(jù)切削速度V = m/s 切削深度ap = 3 mm 進(jìn)給量f = mm/r Z = 8 —30 按機(jī)床選取n = 750 r/min切削工時(shí)為： —7基本時(shí)間tj = L/fn = （+）/750 = min 粗鏜大頭孔 選用鏜床T68根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—66選取數(shù)據(jù)銑刀直徑D = 65 mm 切削速度V = m/s進(jìn)給量f = mm/r 切削深度ap = mm 則主軸轉(zhuǎn)速n = 000v/D = 47 r/min—41 按機(jī)床選取n = 800 r/min則實(shí)際切削速度V = Dn/（100060） = m/s 鏜削工時(shí)為： —3L = 38 mm L1 = mm L2 = 5 mm 基本時(shí)間tj = Li/fn = (38++5)/(800) = min—67 輔助時(shí)間ta = min 大頭孔兩端倒角 選用機(jī)床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—67選取數(shù)據(jù)切削速度V = m/s 切削深度ap = 3 mm進(jìn)給量f = mm/r Z = 8 —30 按機(jī)床選取n = 750 r/min切削工時(shí)為： —7基本時(shí)間tj = L/fn = （+）/750 = min 精磨大小頭兩平面（先標(biāo)記朝上） 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)切削速度V = m/s 切削深度ap = mm 進(jìn)給量f = mm/r 磨削工時(shí)為： —7基本時(shí)間 tj = =70（100060）20= min 半精鏜大頭孔及精鏜小頭孔 選用鏜床T2115（1）根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—66選取數(shù)據(jù)鏜刀直徑D = mm 切削速度V = m/s進(jìn)給量f = mm/r 切削深度ap = 1 mm —39 按機(jī)床選取n = 1000 r/min鏜削工時(shí)為： —3L = 38 mm L1 = mm L2 = 5 mm基本時(shí)間tj= Li/fn = (38++5)/(1000) = min（2）根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—66選取數(shù)據(jù)鏜刀直徑D = 30 mm 切削速度V = m/s進(jìn)給量f = mm/r 切削深度ap = mm—39 按機(jī)床選取n = 2000 r/min鏜削工時(shí)為： —3L = 38 mm L1 = mm L2 = 5 mm基本時(shí)間tj = Li/fn = (38++5)/(2000) = min 精鏜大頭孔 選用鏜床T2115根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—66選取數(shù)據(jù)鏜刀直徑D = mm 切削速度V = m/s進(jìn)給量f = mm/r 切削深度ap = 1 mm—39 按機(jī)床選取n = 1000 r/min鏜削工時(shí)為： —3L = 38 mm L1 = mm L2 = 5 mm基本時(shí)間tj = Li/fn = (38++5)/(1000) = min 鉆小頭油孔 選用鉆床Z3025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)切削速度V = m/s 切削深度ap = 3 mm 進(jìn)給量f = mm/r—30 按機(jī)床選取n = 1000 r/min鉆削工時(shí)為： —7 L = 6 mm L1 = 3 mm 基本時(shí)間tj = L/fn =(6+1)/(1000) = min 小頭孔兩端倒角 選用機(jī)床X62W根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—67選取數(shù)據(jù)切削速度V = m/s 切削深度ap = 3 mm 進(jìn)給量f = mm/r Z = 8 —30 按機(jī)床選取n = 750 r/min切削工時(shí)為： —7基本時(shí)間tj = L/fn = （+）/750 = min 鏜小頭孔襯套 選用鏜床T2115根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—66選取數(shù)據(jù)鏜刀直徑D = 30 mm 切削速度V = m/s進(jìn)給量f = mm/r 切削深度ap = mm —39 按機(jī)床選取n = 1000 r/min鏜削工時(shí)為： —3L = 38 mm L1 = mm L2 = 5 mm 基本時(shí)間tj = Li/fn = (38++5)/(1000) = min 珩磨大頭孔 根據(jù)《機(jī)械制造工藝設(shè)計(jì)手冊(cè)》—66選取數(shù)據(jù)切削速度V = m/s 進(jìn)給量f = mm/r 切削深度ap = mm —39 按機(jī)床選取n = 1000 r/min鏜削工時(shí)為： —3基本時(shí)間 tj=2L/（100060）v=(2382)/(