变速(数)箱
轴承型号:33109和32209
输入轴转速:2985.3转/秒 齿轮齿数61
输出轴转速:4794.78转/秒 齿轮齿数38
我用的仪器是艾默生CSI 2117A Analysis parameter设置如下:
spectral frequency setup: order
low frequency signal conditioning limit(hz): 2.0
upper freq (hz/order):180
lower freq (hz/order):0
number of lines:3200
number of averages:6
spectral averaging mode:normal mode
window type:hanning
spectral weighting:none
number of analysis parameters:9
enable demodulation:ok
filter setting :5000 HZ HP
peak analysis method:demodulation
obtain special time waveform:ok
maximum frequency:180
maximum frequency unit type:orders
data units: orders
data units:acceleration
number of points :1024
trigger:none
①我对AP做了些修改发现图有很大变化,是不是用了调制解调滤波的变化?(同一个测点图如)
②你们是怎么优化设置AP参数的?