multipurpose seed drill-gm gear box

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Transmission Gear******Structure And Type According to the shape classification: there are straight gear, the teeth are parallel to the axis of the gear, the structure is simple, easy to manufacture, but the contact degree is small when meshing, the transmission smoothness is poor, the noise is large, often used in some low-speed and light-load transmission with low precision and noise requirements; Helical gear, the tooth direction and the axis have a certain Angle, the contact degree i