节制杆式制退机计算.doc

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1、目录后坐正面问题计算以及结构设计11自由后坐运动计算21.1弹丸在膛内时期时（0

2、155.2制退机液压阻力及流液孔面积计算185.3节制杆理论外形尺寸的计算246节制杆理论外形的初调整6.1起始段调整266.2中间段调整266.3终了段调整26251自由后坐运动计算1.1弹丸在膛内时期时（0

3、s)l(m)L(m)00000010.660.650.56270.00080.0000021.0131.41.21910.025390.000231.2227.12.10710.061160.000541.6291.82.70740.187040.001752.0499.44.63360.366810.003462.2538.95.00010.470770.004372.39572.15.30810.581970.005382.59599.55.56230.699240.006492.79621.55.76640.821450.0076102

4、.99640.65.94370.947750.0087113.19663.66.15711.077500.009925123.59682.36.33061.345500.0124133.62684.06.34641.36600.01261)弹丸速度随时间的变化曲线2）自由后坐速度随时间的变化曲线3）弹丸行程随时间的变化曲线254）自由后坐行程随时间的变化曲线弹丸脱离炮口时膛内的平均压力为Pg=29.5MPa,一般取仅考虑弹丸旋转和摩擦两种次要功的计算系数,次要功系数为次要功系数为:弹丸脱离炮口时的炮膛合力：1.2有炮口制退器时火药气体后效期（

5、tg

6、.34046.76050.024095.58626.80170.0257105.83206.83950.0273116.07776.87410.0290126.32356.90580.0307136.56936.93490.0324146.81516.96160.0341157.06086.98610.0358167.30667.00850.0375177.55247.02910.0393187.79827.04800.0410198.04397.06520.0427208.28977.08110.044525218.53557.09560.

7、0462228.78137.10900.0480239.02707.12120.0497249.27287.13240.0515259.51867.14270.0532269.76447.15210.05502710.01017.16070.05672810.25597.16860.05852910.50177.17590.06033010.74757.18260.06203110.99327.18870.06383211.23907.19430.06563311.48487.19940.06733411.73067.20410.069135

8、11.97637.20840.07093612.22217.21240.07263712.46797.21600.07443812.71377.21930.0762