此问题出现在主轴有档位的情况,当主轴换档后,各进给轴的传动比使用的是与主轴档位相应的参数集设置。因此,需要设置MD31050和MD31060的[1]、[2]系统有6个位置控制伺服参数集,用于机床运行过程中,位置控制随着机床特性的改变进行快速地匹配,如主轴的换轴之间的动态匹配,如攻丝
下列数据跟参数集相关:
Denominator load gearbox MD 31050: DRIVE_AX_RATIO_DENOM [n]
Numerator load gearbox MD 31060: DRIVE_AX_RATIO_NUMERA [n]
Servo gain factor MD 32200: POSCTRL_GAIN [n]
Backlash compensation (SW 5 and higher)MD 32452: BACKLASH_FACTOR[n]
Feedforward control factor (SW 5 and higher) MD 32610: VELO_FFW_WEIGHT[n]
Exact stop limits (SW 5 and higher)
MD 36012: STOP_LIMIT_FACTOR[n]
MD 36000: STOP_LIMIT_COARSE
MD 36010: STOP_LIMIT_FINE
and zero speed window MD 36030: STANDSTILL_POS_TOL
Equivalent time constant MD 32800: EQUIV_CURRCTRL_TIME[n]
Current control loop for torque feedforward control
Equivalent time constant MD 32810: EQUIV_SPEEDCTRL_TIME[n]
Speed control loop for speed feedforward control
Time constant of MD 32910: DYN_MATCH_TIME[n]
dynamic response adaptation
Threshold value for MD 36200: AX_VELO_LIMIT[n]
velocity monitoring