1. The pressure regulation is too high, which makes the speed of the flattening machine become fast, resulting in the burning of the sealing ring and the side plate;2. The oil tank of the opener itself is too small, resulting in poor heat dissipation conditions;3. Internal leakage is caused by exces

When we use the flattening machine, due to the friction between the bearing balls, the machine often makes noise. So, how should we judge whether the machinery is normal according to its noise?Use a long screwdriver to hold the bearing end cap of the flattening machine against the ear of the screwdr