2020-08-03 Hits: 51
The mechanical seal is a sealing device composed of two sealing elements (stationary ring and moving ring) perpendicular to the shaft, bright and flat, light mechanical seals for pumps are attached to each other and roll relative to each...
2020-08-03 Hits: 59
Common mechanical parts are as follows:Simple machines of inclined plane: du inclined plane, spiral, split. zhiSimple levers: levers, pulleys, dao axles, gears.The bite of opposing rotating parts, such as gears, mixing rollers, etc.Rotat...
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