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RLAR Single Shaft Sleeve Reverse-mounting Metal Diaphragm Coupling

RLAR Single Shaft Sleeve Reverse-mounting Metal Diaphragm Coupling

Single side shaft sleeve reverse installation design, suitable for occasions with limited shaft head distance.

RLAR Single Shaft Sleeve Reverse-mounting Metal Diaphragm Coupling
ModelDD1/D2D3d1(max)d2(max)L2/L1
(Standard/
Long Series)
Q
Min
Maximum
Allowable
Speed
Nominal
Torque
Maximum
Instantaneous
Torque
Peak
Torque
(mm)(mm)(mm)(mm)(mm)(mm)(mm)n max
(r/min)
T
(N.m)
Tmax
(N.m)
Tmax
(N.m)
RLAR115-611574/6568504060/110121400065018501290
RLAR135-613595/8582655580/110-1401211800118024781350
RLAR155-6155106/9496756590/1401510000210027802780
RLAR175-6178121/1081178575100/140-170158500358056007200
RLAR200-6200140/12712210085120/170-210157800500078008000
RLAR225-6225168/152144120105140/170-21015650085001320013200
RLAR235-6235161/152158120105140/170-21020580090001404014000
RLAR255-6255179/164171130110160/210-250205200135002106021600
RLAR280-6278165/182193145125170/210-250254350202503150031500
RLAR300-6300212/198230155135200/250253880305004750038500
RLAR325-6325235/219228170150200/250-300253500325007850061000
RLAR370-6365258/242269190165230/300303100420009580085000
RLAR203-8203148/13516490-110/14890140/170-21015800090001950014700
RLAR235-8235165/152164105-120/165105140/170-210207800135004780035900
RLAR255-8255177/165190110-130/177110160/210-250256600202506300047400
RLAR290-8290212/198199135-150/212135180/250256100305007350055400
RLAR340-8340250/235215160-180/250160200/250-3002552503250012200092500
RLAR370-8365264/250241170-190/264170210/250-30030425042000163000124000
RLAR400-8398277/257269175-200/277175250/300-25035390072000225000171000
RLAR430-8430315/293321200-230/315200250/350-41035358095000250000191000
RLAR480-8480346/327346220-250/346255250/350-410353200125000400000300000
RLAR530-8530393/374390255-290/393260300/350-410353000200000448000335000
RLAR600-8600440/420390290-320-440290350/410-470403000250000668000501000
RLAR370-10365264/250241170-190/264170210/250-30030425042000163000124000
RLAR400-103982778257269175-200/277175250/300-25035390072000225000171000
RLAR430-10430315/293321200-230/315200250/350-41035358095000250000191000
RLAR500-10480346/327346220-250/346255250/350-410353200125000400000300000
RLAR530-10530393/374390255-290/393260300/350-410353000200000448000335000
RLAR600-10600440/420390290-320-440290350/410-470403000250000668000501000
RLAR760-10760525/475525375340500/470-520402100365000569400474500
RLAR860-10860585/518584420370520/570-600451850535000834600695500
RLAR950-10950658/592658470420570/600-6206014307200001123200936000
ModelMass
Point
G
Angular
Deviation
Axial
Deviation
Intermediate
Joint
Sleeve
H
Intermediate
Sleeve
Weight
(m)
Intermediate
Sleeve
Rotational
Inertia
Intermediate
Sleeve
Torsional
Stiffness
WeightTorsional
Stiffness
Rotational
Inertia
Angular
Stiffness
Axial
Force
(mm)(±△º)(±△mm)standard/min(mm)kg/mJh
(Kg.m²)
Ct10E6
(N.m/rad)
(Kg)Ct10E6
(N.m/rad)
J
(Kg.m²)
N.m/degN
RLAR115-615.9/48.20.67°1.480/555.30.0050.05140.130.006200.8510
RLAR135-622.8/59.11.4100/558.820.0140.143630.140.013114.5830
RLAR155-624.8/65.71.4100/609.930.020.20311.920.20.025157.91070
RLAR175-627.9/75.11.4140/7511.490.0310.31417.180.440.0552271630
RLAR200-636/861.4140/7515.040.0550.57124.880.450.1203.31860
RLAR225-645.2/94.11.6140/7519.170.1151.17536.170.630.19147.91430
RLAR235-643.2/102.41.6140/8521.630.1061.06652.240.840.21198.12510
RLAR255-648.5/113.52180/9023.380.1461.48771.771.410.33526.43220
RLAR280-652.8/1232200/10030.210.2322.36194.831.440.51435.64550
RLAR300-665.8/137.82200/10032.970.3013.069131.631.380.73382.94860
RLAR325-662.2/143.52250/12544.120.494.989156.62.511.3533.36150
RLAR370-670.2/167.32250/14057.210.777.860218.33.962.24707.68070
RLAR203-843.3/97.70.5°2140/7519.1000.080.81124.5000.990.12651.32240
RLAR235-841.9/104.42180/9025.20.1321.344382.230.2515334030
RLAR255-847.1/119.22.2200/100290.1781.8146.92.630.3614955930
RLAR290-859/124.65D2.4200/10032.8000.3013.06871.0003.450.7111306380
RLAR340-865.3/141.73.8250/12542.3000.6026.123111.0004.981.619997420
RLAR370-866.45/152.654.2252/14058.7000.8338.485139.0008.262.3333811350
RLAR400-874.48/1844.8300/15575.4001.12911.509180.00012.243.42843115380
RLAR430-880.09/179.585.2350/15579.8501.58416.14215.50014.234.92640116090
RLAR480-878.89/185.885.5350/180104.4002.5726.183302.00018.898.78635719330
RLAR530-898.68/212.796400/180132.84.2943.68240822.1714.537.8623110
RLAR600-8114.18/248.57450/205168.956.8770.03360731.3227.02847827310
RLAR370-1066.45/152.650.25°2.8252/14058.7000.66.13139.0008.951.641374013650
RLAR400-1074.48/1843300/15575.4000.868.485180.00012.242.343012017810
RLAR430-1080.09/179.583.3350/15579.8501.1311.509215.50014.233.482675019330
RLAR500-1078.89/185.883.7350/180104.4001.5816.144310.00037.3258.152900025300
RLAR530-1098.68/212.794.2400/180132.82.5726.1842032.169.083340028290
RLAR600-10114.18/248.55.2450/205168.954.2943.6862539.9814.983765037500
RLAR760-10261.4445.8265197.7086.8770.63895.00055.4228.024241044580
RLAR860-10267.6545.8290284.0507.9889.651105.12568.7532.455467552870
RLAR950-10313.8756.2290333.2159.85101.231854.83278.6537.656954068750

The core of a single shaft sleeve reverse mounted Flexible Membrane coupling lies in the design of its diaphragm components. Diaphragm is usually made of high-strength and highly elastic metal materials, such as stainless steel or titanium alloy, to ensure good elastic deformation ability while withstanding high torque. The membrane is formed into a specific ripple shape through precision machining, which not only enhances the torsional rigidity of the coupling, but also effectively reduces radial and axial displacement compensation errors.

Reverse installation design is another highlight of the single shaft sleeve reverse installation Flexible Laminated Membrane coupling. Traditional Shim Pack couplings usually install the diaphragm component outside the shaft sleeve, while reverse installation designs embed the diaphragm component inside the shaft sleeve. This structural innovation enables the coupling to have higher installation flexibility and stronger load-bearing capacity in a compact space.

The working principle of a single shaft sleeve reverse mounted Steel Laminae coupling is based on the elastic deformation of the diaphragm to transmit torque and absorb shaft system errors. When there is relative displacement between the two axes, the diaphragm undergoes elastic deformation to absorb these displacements and maintain synchronous rotation of the two axes. At the same time, the corrugated shape design of the membrane enables uniform stress distribution during deformation, avoiding the occurrence of local overload phenomena.

Application advantages

  • High precision transmission: Due to the high elastic deformation ability and precision machining technology of the diaphragm, the single shaft sleeve reverse mounted diaphragm coupling can achieve high-precision torque transmission and shaft system error compensation, which is suitable for occasions with high requirements for transmission accuracy.

  • High load capacity: The reverse design allows the coupling to maintain a high load capacity even in a compact structure, making it suitable for heavy-duty and high-speed transmission systems.

  • Good balance performance: The corrugated shape design of the diaphragm helps reduce the rotational inertia and vibration noise of the coupling, improving the smoothness and reliability of the transmission system.

  • Easy to install and maintain: The single shaft sleeve design simplifies the installation process of the coupling and reduces maintenance costs. At the same time, the replaceability of the membrane component enables the coupling to quickly restore use in the event of damage.

Although single shaft sleeve reverse mounted Metal Diaphragm couplings have many advantages, the following points still need to be noted in practical applications:

  • Selection and matching: Select the appropriate coupling model and specifications based on the specific needs of the transmission system to ensure that the performance of the coupling can meet the system requirements.

  • Installation accuracy: Ensure the installation accuracy of the coupling to avoid performance degradation or damage caused by installation errors.

  • Regular inspection and maintenance: Regularly inspect and maintain the coupling, promptly identify and address potential issues, and extend the service life of the coupling.

  • Environmental adaptability: Consider the working environment of the coupling, such as temperature, humidity, corrosiveness, and other factors, and select suitable materials and protective measures.

The single shaft sleeve reverse mounted Plate coupling has a wide range of application prospects in the field of mechanical transmission due to its unique structure and excellent performance. By delving into its technical characteristics, working principles, and application advantages, and combining them with practical considerations, we can better leverage the performance advantages of this transmission component and provide strong support for the efficient operation of industrial production.

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