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RLARD Double Shaft Sleeve Reverse-mounting Metal Diaphragm Coupling

RLARD Double Shaft Sleeve Reverse-mounting Metal Diaphragm Coupling

The double-sided shaft sleeve reverse installation design is also applicable in situations where the distance from the shaft head is limited or the additional bending moment is smaller.

RLARD Double Shaft Sleeve Reverse-mounting Metal Diaphragm Coupling
ModelDD1/D2D3d1(max)d2(max)L1/L2SMaximum Allowable SpeedNominal TorqueMaximum Instantaneous Torque
(mm)(mm)(mm)(mm)(mm)(mm)(mm)n max(r/min)T(N.m)Tmax(N.m)
RLARD125-612570/5668504055/5011140006501300
RLARD135-613592/7082655070/55111180011802478
RLARD156-6160105/8496756080/70151000021002780
RLARD178-6180119/105117857090/8015850035805600
RLARD210-6210140/11212210080105/9020780050007800
RLARD225-6230154/11914411085115/90226500850013200
RLARD255-6260168/13315812095125/105245800900014040
RLARD280-6280196/147171140105150/1103052001350021060
RLARD305-6310210/160193150115160/1203243502025031500
RLARD340-6340238/182230170130180/1403438803050047500
RLARD365-6370258/210228190150200/1603435003250078500
RLARD420-6420278/238269200170210/1803631004200095800
ModelMass Point
G
Angular DeviationAxial DeviationIntermediate Joint Sleeve
H
Intermediate Sleeve WeightIntermediate Sleeve Rotational InertiaTorsional stiffness of diaphragm groupWeightTorsional StiffnessRotational Inertia
(mm)(±△º)(±△mm)min(mm)kgJh(Kg.m²)Ct10E6(N.m/rad)(Kg)Ct10E6(N.m/rad)J(Kg.m²)
RLARD125-652.111651.570.006440.345.690.170.01708
RLARD135-662.211801.820.00780.298.30.1450.0225
RLARD156-664.511.4902.70.01630.8411.920.420.05
RLARD178-677.611.4903.30.02241.117.180.550.0768
RLARD210-680.611.41056.160.06821.9724.880.9850.1974
RLARD225-696.90.751.61357.170.08733.4536.171.7250.2806
RLARD255-6103.20.751.615013.640.2235.1352.242.5650.646
RLARD280-6118.10.75216014.770.2427.9471.773.970.814
RLARD305-61220.75218524.430.5359.3594.834.6751.58
RLARD340-6141.30.75219030.230.80712.58131.636.292.464
RLARD365-61450.75221037.41.1715.95156.67.9753.55
RLARD420-6167.80.75222049.52.03623.95218.311.9756.222
ModelDD1/D2D3d1(max)d2(max)L1/L2SMaximum Allowable SpeedNominal TorqueMaximum Instantaneous Torque
(mm)(mm)(mm)(mm)(mm)(mm)(mm)n max(r/min)T(N.m)Tmax(N.m)
RLARD225-8230154/11913911085115/90236500900015050
RLARD255-8260168/13315812095125/1052458001350021060
RLARD280-8280196/147196140105150/1052752002025031500
RLARD310-8310210/160210150115160/1203243503050047500
RLARD340-8340238/182238170130180/1403238803250078500
RLARD370-8370258/210258190150200/1603835004200095800
RLARD420-8420278/238273200170210/18038310072000112500
RLARD445-8450340/280340240200250/21041288095000228000
RLARD500-8500420/336434270240300/250442740125000228000
ModelMass Point
G
Angular DeviationAxial DeviationIntermediate Joint Sleeve
H
Intermediate Sleeve WeightIntermediate Sleeve Rotational InertiaTorsional stiffness of diaphragm groupWeightTorsional StiffnessRotational Inertia
(mm)(±△º)(±△mm)min(mm)kgJh(Kg.m²)Ct10E6(N.m/rad)(Kg)Ct10E6(N.m/rad)J(Kg.m²)
RLARD225-8103.497 0.53.615013.644 0.22310.2552.651 5.1250.629
RLARD255-8103.20.751.615013.640.2235.1352.242.5650.646
RLARD280-8118.10.75216014.770.2427.9471.773.970.814
RLARD310-8123.418 0.53.818524.437 0.53518.6996.239 9.3451.589
RLARD340-8144.162 0.53.819030.234 0.80725.15135.020 12.5752.613
RLARD370-8146.339 0.5421037.400 1.1731.91158.593 15.9553.668
RLARD420-8169.191 0.54.222049.497 2.03647.89220.412 23.9456.458
RLARD445-8160.652 0.54.222055.760 2.04358.46303.786 29.2310.191
RLARD500-8187.242 0.54.523073.668 3.50971.67415.856 35.83517.063
ModelDD1/D2D3d1(max)d2(max)L1/L2SMaximum Allowable SpeedNominal TorqueMaximum Instantaneous Torque
(mm)(mm)(mm)(mm)(mm)(mm)(mm)n max(r/min)T(N.m)Tmax(N.m)
RLARD370-10370258/210258190150200/1603835003250078500
RLARD420-10420278/238288200170210/18038310075000117000
RLARD445-10450340/280330240200250/210442600105000163800
RLARD500-10500420/336434270240300/250442740125000228000
RLARD630-10630430/378434310270460/300462450210000327600
RLARD700-10700476/434475340310490/460502380288000449280
RLARD760-10760525/475525375340520/490602100365000569400
RLARD860-10860585/518584420370570/520601850535000834600
RLARD950-10950658/592658470420620/5706014307200001123200
ModelMass Point
G
Angular DeviationAxial DeviationIntermediate Joint Sleeve
H
Intermediate Sleeve WeightIntermediate Sleeve Rotational InertiaTorsional stiffness of diaphragm groupWeightTorsional StiffnessRotational Inertia
(mm)(±△º)(±△mm)min(mm)kgJh(Kg.m²)Ct10E6(N.m/rad)(Kg)Ct10E6(N.m/rad)J(Kg.m²)
RLARD370-10146.339 0.5421037.400 1.1731.91158.593 15.9553.668
RLARD420-10169.191 0.54.222049.497 2.03647.89220.412 23.9456.458
RLARD445-10160.652 0.324.522055.760 2.04371.35303.786 35.67510.191
RLARD500-10187.242 0.32523073.668 3.50991.95415.856 45.97517.063
RLARD630-10198.637 0.326245130.080 12.453193.1578.547 96.5539.181
RLARD700-10197.354 0.327250217.214 20.778260.46782.783 130.2362.154
RLARD760-10261.444 0.328265197.708 26.842331.341050.094 165.6796.662
RLARD860-10267.654 0.328290284.050 52.988491.071369.448 245.535169.6
RLARD950-10313.875 0.328290333.215 73.988658.311854.832 329.155264.568

The double axis reverse mounted Flexible Membrane coupling is a high-performance metal elastic element flexible coupling, which has a unique structure and excellent performance, and plays an important role in the shaft transmission of various mechanical devices.

The double axis reverse mounted Laminated Membrane coupling consists of several sets of stainless steel thin plates connected in a staggered manner to the two halves of the coupling, with each set of diaphragms consisting of several stacked pieces. The characteristic of this coupling lies in its dual axis sleeve design and reverse installation structure, which enables it to better adapt to complex transmission environments and provide higher transmission efficiency and stability.

The double axis reverse mounted Metal Diaphragm coupling compensates for the relative displacement of the two connected shafts by the elastic deformation of the diaphragm. When there is axial, radial, or angular displacement between the two axes, the diaphragm will undergo elastic deformation to absorb these offsets and ensure smooth transmission. The ability of this elastic deformation enables the dual axis reverse mounted diaphragm coupling to maintain excellent performance in various working conditions and environments.

Performance Characteristics

  • High strength and long life: Due to the use of stainless steel thin plates for the diaphragm, the double axis sleeve reverse mounted diaphragm coupling has the characteristics of high strength and long life. It can withstand high torque and load while maintaining good elastic deformation ability.

  • No rotational clearance: The structural design of the dual axis reverse mounted diaphragm coupling ensures that there is no rotational clearance during use, thereby improving the accuracy and stability of the transmission.

  • Acid and alkali resistance and corrosion resistance: Diaphragm couplings have the characteristics of acid, alkali and corrosion resistance, and are suitable for working environments with high temperature, high speed and corrosive media.

  • Shock absorption and noise reduction: The dual axis reverse mounted Plate coupling also has good shock absorption and noise reduction performance, which can reduce vibration and noise during the transmission process and improve the operating efficiency of the equipment.

Double axis reverse mounted Shim Pack couplings are widely used in shaft transmission of various mechanical devices, such as water pumps, fans, compressors, hydraulic machinery, petroleum machinery, printing machinery, textile machinery, etc. In addition, it is also suitable for shaft transmission in high-temperature, high-speed, and corrosive medium working environments, such as high-speed power transmission systems for aviation and naval vessels, as well as high-speed and high-power mechanical transmission systems for generator sets.

When installing a double axis reverse mounted Steel Laminae coupling, it is necessary to ensure that the axis deviation of the two shafts is within the allowable range to avoid deformation or damage to the coupling. At the same time, attention should be paid to keeping the coupling clean and lubricated during installation to ensure its normal operation. In terms of maintenance, the fastening bolts of the coupling should be regularly checked for looseness and tightened in a timely manner to maintain its stability. In addition, the diaphragm should be regularly inspected and maintained to avoid affecting transmission performance due to wear or damage.

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