飞剪机设计计算软件
行程速比系数 k 远极位传动角γ2(°,rad)摇杆摆角Ψ(°,rad) d。钢板运动速度Vt(m/s)钢板长度L(m)k1[δ]
1.167218121 1.11 1.02
1.2566370610.314159265
1.四杆机构的相对尺寸设计:
近极位夹角γ1(°,rad)极位夹角θ(°,rad)近极位曲柄位置角θ。(°,rad)a。b。c。
76.6666666713.3333333377.749183950.1558212780.373890965 1.027518415
1.338085760.232710567 1.356979251
2.计算四杆机构的绝对尺寸:
剪切钢板一次的时间t(s)曲柄转速n1(r/min)曲柄角速度ω1(rad/s)曲柄半径a(m)
0.512012.566370610.180195227
比例尺μL b(m)c(m)d(m)
1.1564224670.432375912 1.188245381 1.156422467
3.刀刃位置确定:
机架角α4(°,rad)h(m,mm)Δh(m,mm)
150.250.005
0.2617993882505
f(m,mm)e(m,mm)Δα(°,rad)α3(°,rad)Lce(m,mm)Lcf(m,mm)
0.8670183270.2653154120.149972135.14997210.692037730.692810724
867.0183272265.31540980.3516833570.613482745692.0377297692.8107242
Lcef(m,mm)α2*(°,rad)α3*(°,rad)
0.692424227165.486121935.17580876
692.424227 2.8882776940.61393368
4.剪切角φo1的确定:
∠BEC(°,rad) ∠DFC(°,rad)δ(°,rad)BD(m,mm)∠DAB(°,rad)φo1(°,rad)
9.00340638198.6583797107.66178610.98066108611.71176586 3.288234136
0.157139085 1.72191356 1.879052646980.66108620.2044088760.057390512
5.调整上下刀刃水平速度误差:
φ(°,rad)φ3(°,rad)φ2(°,rad)φe(°,rad)Δφe(°,rad)∠DCF(°,rad)
17.137********.3741068269.050390183.53991836-6.46008163546.16581154
0.299106898 3.793893873 4.69581516 1.458046632-0.1127496940.805745413
α4*(°,rad)φo*1(°,rad)φ*2(°,rad) φ*3(°,rad)∠CDB(°,rad)BDA(°,rad)
21.460081649.748315771275.5104717223.834188520.23654397 2.137562858
0.3745490820.170140207 4.808564855 3.9066435670.3531943210.03730751
6.调整刀刃与钢材运动速度相同:
ω2(rad/s)ω3(rad/s) Vet(m/s) Vft(m/s)
-3.741216741-2.422445921 2.076368892 2.076368892
2076.3688922076.368892
V刀(m/s)拉钢系数δK1*a*
2.076368892 1.038184446 1.090557660.177038995
μ*b*c*d*
0.9824843780.424802579 1.167432524 1.136167009
e*f*ΔV刀
0.2606682450.851831962 2.13878E-16
7.求曲柄的平衡力矩Mb:
Vex(m/s)Vfx(m/s)剪切力Fc(KN)平衡力矩Mb(KN/m)
0.586507039-0.31064745698 6.996542062
8.机构检验:
Xe(m,mm)Ye(m,mm)Xf(m,mm)Yf(m,mm)
0.215275540.2874328990.215275540.287432899
215.2755397287.432899215.2755397287.432899
ΔXΔY
5.15722E-159.27011E-15
校验γ2(°,rad)校验k校验γ1(°,rad)校验θ(°,rad)校验Ψ(°,rad)
72 1.1676.6666666713.3333333318
1.256637061 1.338085760.2327105670.314159265 9.点的坐标计算:输入度数:输入比例:
φo1(°,rad)14.230890231/6
0.24837589
φ(°,rad).
0.39773861
φ2(°,rad)274.2663377
4.78685062
φ3(°,rad)222.9722844
3.891600504
Xe(m,mm)0.217979412217.979411736.32990195
Ye(m,mm)0.300031652300.031651650.00527527
Xf(m,mm)0.213441815213.441815435.57363591
Yf(m,mm)0.300115056300.115055950.01917598
BD(m,mm)0.960793671960.7936706160.1322784