压簧计算
表
关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf
Coildiameter钢丝直径mm1.1弹簧中径mm5.4Meanspringdiameter弹簧外径mm6.5Numberofusefullcoil有效圈数5Numberofcoil总圈数7Axialcoilpitch轴向节距mm2.560(0.28-0.5)D212.8间距1.460自由高度15.000压缩弹簧高径比2.778两端固定<5.3,一端固定<3.7,两端回转<2.6Calculresults计算结果coilsintoutch并圈Inplace安装Maximum最大Height高度mm7.71312Load负荷N135.75137.19255.788安装预压缩力要求PI()*d0^2/4*deltap气门全开时惯性力500.000气门升程6.000Stiffness刚度N/mm18.59618.59618.596Stress应力MPa1847.266506.100759.151632.625427438Naturalfrequency自振频率Hz弹簧展开长度120.0966775246螺旋角……r0.14977243658.5813284974(5-9)度范围内SHOTBLASTEDCHARACTERISTICS喷丸处理材料性能50CrVA60Si2CrA65Mn60Si2CrVAShearmodulus剪切弹性模量MPa80,00080,00080,00080,000弹性模量_EMPa196,000196,000196,000196,000Ultimatestrength极限强度deta_bMPa1127.751569.0515001667.11许用切应力MPa529.2684540670.8K_曲度系数1.3171382429C_旋绕比4.9090909091D2_弹簧中径5.4凸轮轴最高转速10000转/分ne_弹簧自振频率163717.421124829次/分自振频率/凸轮最高转速16.3717421125(气门弹簧必须大于10-14)