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        Precision piston rod

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        The role of the packing ring gap of the piston rod

        First, the gap
        Mainly used to compensate for the wear of the packing ring.

        Second, the axial clearance
        Mainly used to allow the packing ring to float freely, otherwise the piston rod will not work properly.

        Third, radial clearance
        Avoid the sinking of the piston rod, so that the packing ring is pressed to avoid deformation or damage.

        2019/09/25 09:37:37 438 次

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