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Basic parameters and dimensions of JMD type elastic diaphragm coupling

DJM type elastic diaphragm coupling is composed of several sets of diaphragms, which are connected to two halves of the coupling with bolts in a staggered manner. Each set of diaphragms is composed of several stacked pieces, and the diaphragms are divided into connecting rod type and whole piece type with different shapes.

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Basic parameters and dimensions of JMD type elastic diaphragm cou

Elastic Diaphragm Coupling

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DJM elastic diaphragm coupling

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  • DESCRIPTION

  • DJM elastic diaphragm coupling is a high-performance mechanical connection device, mainly used to accurately transmit torque and compensate for misalignment between two shafts. The core component is a metal diaphragm, usually made of stainless steel or high-strength alloy, which is fixed between two wheel hubs by bolts. This design enables DJM elastic diaphragm couplings to perform well in high-precision applications, such as precision machine tools, servo systems, and automation equipment.

    Model d1，d2 D A L1，L2 L Axial compensation
    mm    		 Angular compensation nominal torque
    Tn/N·m    		 Permissible rotational speed
    r/min-1
    DJM00 3-20 57 6 20 46 ±0.8 1° 9.8 20000
    DJM01 5-22 68 8 25.05 58.1 ±0.8 1° 33 20000
    DJM02 6-32 82 8 25.3 58.6 ±1 1° 90 20000
    DJM03 8-35 93 8 29.2 66.4 ±1.2 1° 173 18000
    DJM04 10-42 104 8 35.6 79.2 ±1.4 1° 245 15000
    DJM05 15-50 126 11 42.35 95.7 ±1.6 45' 420 13000
    DJM06 20-60 144 11 48.35 107.7 ±1.8 45' 772 12000
    DJM07 25-75 168 15 58.9 132.8 ±2 45' 1270 10000
    DJM08 30-82 194 15 65 145 ±2.2 45' 2080 10000
    DJM09 30-95 214 21.6 77 175.6 ±2.4 45' 3328 9000
    DJM10 40-108 246 24 89 202 ±2.6 45' 4900 8000
    DJM11 52-118 276 17.5 102 221.5 ±2.8 45' 6368 8000
    DJM12 60-110 276 17.5 128 273.5 ±1.8 45' 8900 6300
    DJM13 60-135 308 24 160 344 ±2 30' 15280 5000
    DJM14 60-155 346 21.5 182 385.5 ±2 30' 25410 4700
    DJM15 60-165 375 24 198 420 ±2 30' 37130 4300
    DJM16 70-180 410 29.5 214 457.5 ±2.2 30' 47120 3900
    DJM17 70-190 445 29.5 225 479.5 ±2.2 30' 57000 3500
    DJM18 80-205 470 31 248 527 ±2.4 30' 63186 3500
    DJM19 90-230 512 32 278 588 ±2.4 30' 82590 3200
    DJM20 90-255 556 32.5 305 642.5 ±2.5 30' 102100 2800
    DJM21 100-265 588 34 318 670 ±2.7 30' 126070 2450
    DJM22 100-275 630 34.5 332 698.5 ±2.8 30' 146350 2150
    DJM23 100-290 655 35.5 348 731.5 ±3 30' 173830 2000

     

    The main function of this coupling is to efficiently transmit power while absorbing and reducing vibration, thereby protecting mechanical equipment from damage. It allows for a certain degree of axial, radial, and angular deviation, ensuring smooth power transmission even in the event of installation errors or changes in working conditions. In addition, due to its compact structure and good rigidity, the DJM elastic diaphragm coupling can effectively reduce the operating noise of the system.


    The advantages of DJM elastic diaphragm coupling are numerous: firstly, the metal diaphragm used has extremely high strength and durability, and can operate stably for a long time in harsh working environments; Secondly, the zero clearance characteristic of the coupling ensures very high positioning accuracy, making it suitable for applications that require precise positioning. In addition, ease of installation and maintenance is also a major highlight, simplifying the assembly process and reducing long-term usage costs. Finally, this type of coupling also has good temperature adaptability and corrosion resistance, and can reliably operate in a wide temperature range and various industrial environments. In summary, DJM elastic diaphragm couplings provide strong support in improving equipment efficiency, extending service life, and achieving quieter and smoother operation due to their excellent performance characteristics.

     

     

     

    The DJM type elastic diaphragm coupling is an innovative and reliable coupling solution designed to provide efficient power transmission and compensate for misalignment between two connected shafts. This coupling is constructed with precision-engineered diaphragms that are connected to the two halves of the coupling using bolts in a staggered arrangement.

    The primary feature of the DJM elastic diaphragm coupling is its diaphragm design, which consists of multiple sets of stacked diaphragm pieces. These diaphragms can be categorized into two types based on their shape: connecting rod type and whole piece type. This design allows for flexibility and torsional strength, ensuring smooth and efficient power transmission even in challenging operating.

    The connecting rod type diaphragms are composed of several individual diaphragm pieces connected together using connecting rods. This design offers excellent torsional stiffness and lower reaction forces, making it suitable for applications requiring high precision and demanding operational requirements.

    On the other hand, the whole piece type diaphragms are manufactured a single unit without any connecting rods. This design provides increased flexibility, allowing for greater angular misalignment and axial displacement tolerance. It is particularly beneficial for applications where shaft misalignment is expected or in environments where shock and vibration absorption is crucial.

    The DJM elastic diaphragm coupling excels in various industrial applications including power generation, heavy machinery, pumps, compressors, and other mechanical equipment. It offers several advantages such as high torque capacity, compact size, low maintenance requirements, and resistance to wear and corrosion. Additionally, the coupling's modular design enables easy installation and replacement of diaphragms, minimizing downtime and ensuring cost-effective operation.

    In conclusion, the DJM type elastic diaphragm coupling is a reliable and versatile coupling solution suitable for a wide range of industrial applications. Its innovative diaphragm design, featuring both connecting rod type and whole piece type options, ensures efficient power transmission, compensates for misalignment, and provides excellent flexibility and durability. With its outstanding performance and ease of use, this coupling contributes to the smooth and reliable operation of various mechanical systems.

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