1. The finale is made of chrome-manganese alloy steel for high temperature quenching and forging, which is strong and wear-resistant; 2. It is convenient to refuel, and the load-bearing gear oil must be added before use; 3. Adjusting the nut can adjust the distance between the pressing shaft and the grinding plate. Attention should be paid to the balance adjustment of the nuts on both sides during work, so as to avoid friction damage between the pressing shaft and the grinding plate; 4. The motor coupling can be used after docking, the operation is simple, and the installation and disassembly are convenient; 5. The amount of loaded gear oil can be observed, which is easy to adjust; 6. Pure copper motor, thickened copper wire coil, low heat generation, fast conduction, no hot hand, sufficient power, no false power, and low noise; 7. Other refined details are manufactured to make the use more assured.