《机械类毕业设计-柴油机机体机械加工工艺及其组合机床钻孔夹具、铣两端面夹具设计.docx》由会员分享,可在线阅读,更多相关《机械类毕业设计-柴油机机体机械加工工艺及其组合机床钻孔夹具、铣两端面夹具设计.docx(26页珍藏版)》请在第一文库网上搜索。
1、四川理工学院2007居本科生毕业设计(论文)在计算切削力时,必须把安全系数考虑在内。安全系数:k = k2k3k4其中:力为基本安全系数1.5;心为加工性安全系数1.0;心为刀具钝化系数1.0;38极限载荷:月=35O1N单圈极限载荷变形量:f = 3.527/7im单圈刚度:R=99.3最大导筒直径:Omin=26mm由于此弹簧是线性特性,所以实际变形量4 = Fn =3.527350.11571.06(otw)完全满足设计要求。5. 3切削力及夹紧力的计算5. 3.1切削力的计算刀具:高速钢镶齿三面刃铳刀,z = 12由切削加工简明实用手册表8-103,硬质合金铳刀铳销力的计算公式:灰铸铁
2、: = 9.81 54.5 aaf014afzcl其中:6,=160mm% =0.203% cp =1.02 = 12 d = 125mm Fz = 9.81 54.5 160,0 O.2074 1.009 12125 , = 2496(N)当用两把刀铳削时,“实=2工=2 x 2496 = 4992(N)由切削加工简明实用手册P474公式,端铳,对称:Fc =(0.3 0.4)F2. Fv =(0.85 0.95) .Fl =(0.5 0.55)R, ,水平分力:Fc = 0.35F2 = 0.35 2496 2 = 1748 (/V)垂直分力:Fv =0.90R = 0.9 24796 2
3、 = 4494(n)Fi =0.5E =0.52496 2 = 2496(N)极限载荷:月=35O1N单圈极限载荷变形量:f = 3.527/7im单圈刚度:R=99.3最大导筒直径:Omin=26mm由于此弹簧是线性特性,所以实际变形量4 = Fn =3.527350.11571.06(otw)完全满足设计要求。5. 3切削力及夹紧力的计算5. 3.1切削力的计算刀具:高速钢镶齿三面刃铳刀,z = 12由切削加工简明实用手册表8-103,硬质合金铳刀铳销力的计算公式:灰铸铁: = 9.81 54.5 aaf014afzcl其中:6,=160mm% =0.203% cp =1.02 = 12
4、d = 125mm Fz = 9.81 54.5 160,0 O.2074 1.009 12125 , = 2496(N)当用两把刀铳削时,“实=2工=2 x 2496 = 4992(N)由切削加工简明实用手册P474公式,端铳,对称:Fc =(0.3 0.4)F2. Fv =(0.85 0.95) .Fl =(0.5 0.55)R, ,水平分力:Fc = 0.35F2 = 0.35 2496 2 = 1748 (/V)垂直分力:Fv =0.90R = 0.9 24796 2 = 4494(n)Fi =0.5E =0.52496 2 = 2496(N)极限载荷:月=35O1N单圈极限载荷变形量
5、:f = 3.527/7im单圈刚度:R=99.3最大导筒直径:Omin=26mm由于此弹簧是线性特性,所以实际变形量4 = Fn =3.527350.11571.06(otw)完全满足设计要求。5. 3切削力及夹紧力的计算5. 3.1切削力的计算刀具:高速钢镶齿三面刃铳刀,z = 12由切削加工简明实用手册表8-103,硬质合金铳刀铳销力的计算公式:灰铸铁: = 9.81 54.5 aaf014afzcl其中:6,=160mm% =0.203% cp =1.02 = 12 d = 125mm Fz = 9.81 54.5 160,0 O.2074 1.009 12125 , = 2496(N
6、)当用两把刀铳削时,“实=2工=2 x 2496 = 4992(N)由切削加工简明实用手册P474公式,端铳,对称:Fc = (0.3 0.4)F2. Fv =(0.85 0.95) .Fl =(0.5 0.55)R, ,水平分力:Fc = 0.35F2 = 0.35 2496 2 = 1748 (/V)垂直分力:Fv =0.90R = 0.9 24796 2 = 4494(n)Fi =0.5E =0.52496 2 = 2496(N)极限载荷:月=35O1N单圈极限载荷变形量:f = 3.527/7im单圈刚度:R=99.3最大导筒直径:Omin=26mm由于此弹簧是线性特性,所以实际变形量
7、4 = Fn =3.527350.11571.06(otw)完全满足设计要求。5. 3切削力及夹紧力的计算5. 3.1切削力的计算刀具:高速钢镶齿三面刃铳刀,z = 12由切削加工简明实用手册表8-103,硬质合金铳刀铳销力的计算公式:灰铸铁: = 9.81 54.5 aaf014afzcl其中:6,=160mm% =0.203% cp =1.02 = 12 d = 125mm Fz = 9.81 54.5 160,0 O.2074 1.009 12125 , = 2496(N)当用两把刀铳削时,“实=2工=2 x 2496 = 4992(N)由切削加工简明实用手册P474公式,端铳,对称:F
8、c = (0.3 0.4)F2. Fv =(0.85 0.95) .Fl =(0.5 0.55)R, ,水平分力:Fc = 0.35F2 = 0.35 2496 2 = 1748 (/V)垂直分力:Fv =0.90R = 0.9 24796 2 = 4494(n)Fi =0.5E =0.52496 2 = 2496(N)极限载荷:月=35O1N单圈极限载荷变形量:f = 3.527/7im单圈刚度:R=99.3最大导筒直径:Omin=26mm由于此弹簧是线性特性,所以实际变形量4 = Fn =3.527350.11571.06(otw)完全满足设计要求。5. 3切削力及夹紧力的计算5. 3.1
9、切削力的计算刀具:高速钢镶齿三面刃铳刀,z = 12由切削加工简明实用手册表8-103,硬质合金铳刀铳销力的计算公式:灰铸铁: = 9.81 54.5 aaf014afzcl其中:6,=160mm% =0.203% cp =1.02 = 12 d = 125mm Fz = 9.81 54.5 160,0 O.2074 1.009 12125 , = 2496(N)当用两把刀铳削时,“实=2工=2 x 2496 = 4992(N)由切削加工简明实用手册P474公式,端铳,对称:Fc = (0.3 0.4)F2. Fv =(0.85 0.95) .Fl =(0.5 0.55)R, ,水平分力:Fc
10、 = 0.35F2 = 0.35 2496 2 = 1748 (/V)垂直分力:Fv =0.90R = 0.9 24796 2 = 4494(n)Fi =0.5E =0.52496 2 = 2496(N)极限载荷:月=35O1N单圈极限载荷变形量:f = 3.527/7im单圈刚度:R=99.3最大导筒直径:Omin=26mm由于此弹簧是线性特性,所以实际变形量4 = Fn =3.527350.11571.06(otw)完全满足设计要求。5. 3切削力及夹紧力的计算5. 3.1切削力的计算刀具:高速钢镶齿三面刃铳刀,z = 12由切削加工简明实用手册表8-103,硬质合金铳刀铳销力的计算公式:
11、灰铸铁: = 9.81 54.5 aaf014afzcl其中:6,=160mm% =0.203% cp =1.02 = 12 d = 125mm Fz = 9.81 54.5 160,0 O.2074 1.009 12125 , = 2496(N)当用两把刀铳削时,“实=2工=2 x 2496 = 4992(N)由切削加工简明实用手册P474公式,端铳,对称:Fc = (0.3 0.4)F2. Fv =(0.85 0.95) .Fl =(0.5 0.55)R, ,水平分力:Fc = 0.35F2 = 0.35 2496 2 = 1748 (/V)垂直分力:Fv =0.90R = 0.9 247
12、96 2 = 4494(n)Fi =0.5E =0.52496 2 = 2496(N)极限载荷:月=35O1N单圈极限载荷变形量:f = 3.527/7im单圈刚度:R=99.3最大导筒直径:Omin=26mm由于此弹簧是线性特性,所以实际变形量4 = Fn =3.527350.11571.06(otw)完全满足设计要求。5. 3切削力及夹紧力的计算5. 3.1切削力的计算刀具:高速钢镶齿三面刃铳刀,z = 12由切削加工简明实用手册表8-103,硬质合金铳刀铳销力的计算公式:灰铸铁: = 9.81 54.5 aaf014afzcl其中:6,=160mm% =0.203% cp =1.02 =
13、 12 d = 125mm Fz = 9.81 54.5 160,0 O.2074 1.009 12125 , = 2496(N)当用两把刀铳削时,“实=2工=2 x 2496 = 4992(N)由切削加工简明实用手册P474公式,端铳,对称:Fc =(0.3 0.4)F2. Fv =(0.85 0.95) .Fl =(0.5 0.55)R, ,水平分力:Fc = 0.35F2 = 0.35 2496 2 = 1748 (/V)垂直分力:Fv =0.90R = 0.9 24796 2 = 4494(n)Fi =0.5E =0.52496 2 = 2496(N)极限载荷:月=35O1N单圈极限载荷变形量:f = 3.527/7im单圈刚度:R=99.3最大导筒直径:Omin=26mm由于此弹簧是线性特性,所以实际变形量4 = Fn =3.527350.11571.06(otw)完全满足设计要求。5. 3切削力及夹紧力的计算5. 3.1切削力的计算刀具:高速钢镶齿三面刃铳刀,z = 1