global mom_spindle_speed
# 搜寻 主轴转速 假设主轴转速为1234
set a [expr round($mom_spindle_speed/10)*10 - $mom_spindle_speed]
# 设定中间变量 a =1230-1234=-4
if { $a != 0 } {
global mom_spindle_speed
global mom_operation_name
global mom_spindle_rpm
global user_sp
set user_sp [expr floor($mom_spindle_speed / 50) ]
if { [expr $mom_spindle_speed / 50] - $user_sp > 0 } {
# set user_sp floor[[expr $mom_spindle_speed / 10 ]]