【正文】 銑削工時為： L = 38 mm L1 = + = mm L2 = mm基本時間tj = L/fnz = (38++)/(608) = min(9)精銑連桿體結(jié)合面 選用銑床X62W根據(jù)《切削手冊》，《工藝手冊》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按機床選取n = 750 r/min則實際切削速度V = Dn/（100060） = m/s 銑削工時為： L = 38 mm L1 = + = mm L2 = mm基本時間tj = L/fmz = (38++)/(608) = min(10) 粗锪連桿兩螺栓底面 選用鉆床Z3025根據(jù)《切削手冊》，《工藝手冊》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 進給量f = mm/r則主軸轉(zhuǎn)速n = 1000v/D = r/min按機床選取n = 750 r/min則實際切削速度V = Dn/（100060） = m/s 锪削工時為： L = 28 mm L1 = mm 基本時間tj = L/fn = (28+)/(7508) = min(11) 銑軸瓦鎖口槽 選用銑床X62W根據(jù)《切削手冊》，《工藝手冊》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按機床選取n=100 r/min則實際切削速度V = Dn/（100060） = m/s 銑削工時為： L = 5 mm L1=63+ = 33 mm L2 = mm基本時間tj=L/fmz=(5+33+)/(10024)= min(12) 精銑螺栓座面 選用銑床X62W根據(jù)《切削手冊》，《工藝手冊》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按機床選取n = 150 r/min則實際切削速度V = Dn/（100060） = m/s 銑削工時為： L = 28 mm L1 = + = 19 mm L2 = 3 mm基本時間tj=L/fmz = (28+19+3)/(15024) = min(13) 精磨結(jié)合面 選用磨床M7130根據(jù)《切削手冊》，《工藝手冊》砂輪直徑D = 40 mm 切削速度V = m/s 切削深度ap = mm 進給量fr0 = mm/r則主軸轉(zhuǎn)速n = 1000v/D = 157 r/min—48 按機床選取n = 100 r/min則實際切削速度V = Dn/（100060） = m/s 磨削工時為： —11 基本時間tj= = min (= k=1 z=8)(14) 粗銑連桿上蓋結(jié)合面 選用銑床X62W根據(jù)《切削手冊》，《工藝手冊》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按機床選取n = 100 r/min則實際切削速度V = Dn/（100060） = m/s 銑削工時為： L = 38 mm L1 = + = 16 mm L2 = mm基本時間tj = L/fmz=(38+16+)/(1008) = min (15) 精銑連桿上蓋結(jié)合面 選用銑床X62W根據(jù)《切削手冊》，《工藝手冊》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 進給量f = mm/r 則主軸轉(zhuǎn)速n = 1000v/D = 107 r/min按機床選取n = 110 r/min則實際切削速度V = Dn/（100060） = m/s 銑削工時為： L = 38 mm L1 = + = mm L2 = mm基本時間tj = L/fmz = (38++)/(1108) = min(16)粗銑螺母座面 選用銑床X62W根據(jù)《切削手冊》，《工藝手冊》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 = 1000v/D = 103 r/min按機床選取n = 100 r/min則實際切削速度V = Dn/（100060） = m/s 銑削工時為： L = 28mm L1 = + = mm L2 = mm基本時間tj = L/fmz = (28++)/(10024) = min(17)銑軸瓦鎖口槽 選用銑床X62W根據(jù)《切削手冊》，《工藝手冊》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按機床選取n = 100 r/min則實際切削速度V = Dn/（100060） = m/s 銑削工時為： L = 5 mm L1 = 63+ = 33 mm L2 = mm 基本時間tj =L/fmz = (5+33+)/(10024) = min (18) 精磨結(jié)合面 選用磨床M7350根據(jù)《切削手冊》，《工藝手冊》砂輪直徑D = 40 mm 切削速度V = m/s 切削深度ap = mm 進給量fr0 = mm/r則主軸轉(zhuǎn)速n = 1000v/D = 157 r/min按機床選取n = 100 r/min則實際切削速度V = Dn/（100060） = m/s 磨削工時為： 基本時間tj = = min (= k=1 z=8) (19) 精銑連桿蓋上兩螺母座面 選用銑床X62W根據(jù)《切削手冊》，《工藝手冊》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按機床選取n = 150 r/min則實際切削速度V = Dn/（100060） = m/s 銑削工時為： L = 28 mm L1 = + = mm L2 = mm基本時間tj = L/fmz = (28++)/(15024) = min(20) 鉆螺栓孔 選用鉆床Z3025根據(jù)《切削手冊》，《工藝手冊》切削速度V = m/s 切削深度ap = 5 mm進給量f = mm/r 鉆頭直徑D = 10 mm則主軸轉(zhuǎn)速n = 1000v/D = 1910 r/min按機床選取n = 910 r/min則實際切削速度V = Dn/（100060） = m/s鉆削工時為： L = 34 mm L1 = mm L2 = 2 mm基本時間tj = L/fn = (34++2)/(1910) = min(21) 擴螺栓孔 選用鉆床Z3025根據(jù)《切削手冊》《工藝手冊》擴刀直徑D = 10 mm 切削速度V = m/s切削深度ap = mm 進給量f = mm/r則主軸轉(zhuǎn)速n = 1000v/D = 764 r/min按機床選取n=764 r/min則實際切削速度V = Dn/（100060） = m/s 擴削工時為： L = 34 mm L1 = 2 mm基本時間tj = L/fn = (34+2)/(764) = min(22) 鉸螺栓孔 根據(jù)《切削手冊》，《工藝手冊》鉸刀直徑D = mm 切削速度V = m/s切削深度ap = mm 進給量f = mm/r則主軸轉(zhuǎn)速n = 1000v/D = 140 r/min按機床選取n = 200 r/min則實際切削速度V =Dn/（100060） = m/s 鉸削工時為： L = 34 mm L1 = 2 mm L2 = 3 mm 基本時間tj = L/fn = (34+2+3)/(200) = min (23) 從連桿蓋上方給螺栓孔口倒角根據(jù)《切削手冊》，《工藝手冊》切削速度V = m/s 切削深度ap = 3 mm 進給量f = mm/r Z = 8 按機床選取n = 750 r/min切削工時為： 基本時間tj = L/fn = （+）/750 = min(24) 粗鏜大頭孔 選用鏜床T68根據(jù)《切削手冊》，《工藝手冊》切削速度V = m/s進給量f = mm/r 切削深度ap = mm 則主軸轉(zhuǎn)速n = 000v/D = 47 r/min按機床選取n = 800 r/min則實際切削速度V = Dn/（100060） = m/s 鏜削工時為： L = 38 mm L1 = mm L2 = 5 mm 基本時間tj = Li/fn = (38++5)/(800) = min(25) 大頭孔兩端倒角 選用機床X62W根據(jù)《切削手冊》，《工藝手冊》切削速度V = m/s 切削深度ap = 3 mm進給量f = mm/r Z = 8 按機床選取n = 750 r/min切削工時為： 基本時間tj = L/fn = （+）/750 = min(26)精磨大小頭兩平面選用磨床M7130根據(jù)《切削手冊》，《工藝手冊》切削速度V = m/s 切削深度ap = mm 進給量f = mm/r 磨削工時為： 基本時間 tj = =70（10