1.When the metering valve is started, the hopper metering valve opens according to the time value calculated by the preset weight value and the unit feeding volume of the metering valve. When the feeding time is up, the metering valve closes and the weighing pan is checked. If within the specified error range,it goes to the next hopper for weighing and check;
2.When the raw materials in all the hoppers have been weighed and checked, they will fall into the mixing bucket for stirring and mixing. When the mixing time is up, they will be automatically discharged into the bottom storage hopper.