Straw returning to field crusher circuit

Straw can be crushed and buried in the ground as fertilizer, or it can be crushed and used as poultry feed. The waste can be effectively utilized, which is
a good thing that kills two birds with one stone. '
    Forage rice chopper is mainly used to chop draft straw, straw, wheat straw, green fodder, etc. It is a
crusher widely used in rural areas for processing or making livestock feed. It has two electric motors . It is required that the cutting motor IM starts and runs for a period of time before the feeding motor 2M can start automatically, so as to
avoid being too late to cut the material and blocking the cutter. When shutting down, it requires 2M to shut down and then 1M to automatically shut down. The circuit of straw crusher is as shown in the figure: