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    Tag: diaphragm coupling

    Single Diaphragm Coupling vs. Double Diaphragm Coupling

    The diaphragm coupling consists of at least one diaphragm and two shaft sleeves. The difference between the single-diaphragm coupling and the double-diaphragm coupling is the ability to handle various deviations, which requires the diaphragm to bend, so the single-diaphragm coupling is not suitable for eccentricity. The double-diaphragm coupling can be bent in different directions at the same time to compensate for eccentricity.

    What Causes Damage to Diaphragm Couplings?

    The diaphragm coupling is suitable for working in high temperature (-80+300) and harsh environments, and can operate under shock and vibration conditions. The diaphragm coupling can compensate for the axial, radial and angular offsets between the main motor and the driven motor due to manufacturing errors, installation errors, load-bearing deformation and the influence of temperature rise changes. Diaphragm coupling is a flexible coupling of metal elastic element. It relies on metal coupling diaphragm to connect the main and slave motors to transmit torque. It has the advantages of elastic vibration reduction, no noise and no lubrication. Ideal for gear couplings and general couplings. The diaphragm coupling has obvious shock absorption, no noise and no wear.

    How to Use a Diaphragm Coupling?

    As the key elastic element of the diaphragm coupling, the diaphragm bears the main load during operation. When the diaphragm shaft coupling rotates, its angular offset will generate alternating stress, which alternates once per rotation. The dynamic stress of the diaphragm will lead to the fatigue damage of the diaphragm and the bolt, so the accurate calculation of the dynamic and static composite stress is the key to predict the life of the diaphragm shaft coupling and the operation of the diaphragm shaft coupling.