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LB Series Metal Bellows Clamping Flexible Coupling

A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. Couplings do not normally allow disconnection of shafts during operation, however there are torque limiting couplings which can slip or disconnect when some torque limit is exceeded.

The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. By careful selection, installation and maintenance of couplings, substantial savings can be made in reduced maintenance costs and downtime. 

In a more general context, a coupling can also be a mechanical device that serves to connect the ends of adjacent parts or objects.

Use and characteristics
High torque rigidity and sensitivity.
Zero rotation gap.
The bellows structure compensates for radial, angular and axial deviations.
Clockwise and counterclockwise rotation characteristics are exactly the same.

Dimensions

Model D L d1 d2 shaft dia. L3 M L1 Tightening torque(N.m)
LB-B-16 30/XX/XX 16 30 4-8 4 2-m3*10 10.5 0.7
LB-B-20 33/XX/XX 20 33 6-12 4 2-m3*10 10.5 0.7
LB-B-25 38/XX/XX 25 38 6-12 5 2-m4*12 12.5 1.7
LB-B-32 43/XX/XX 32 43 8-14 6 2-m4*14 14 1.7
LB-B-32 54/XX/XX 32 54 8-14 6 2-m4*14 14 1.7
LB-B-40 62/XX/XX 40 62 8-16 6.5 2-m5*20 21.5 4
LB-B-55 72/XX/XX 55 72 10-19 7 2-m6*25 23 8
LB-B-65 81/XX/XX 65 81 12-38 9 2-m8*25 25.5 15
LB-B-82 103/XX/XX 82 103 20-42 11 2-m10*30 34.5 28


Product features

Model Rated torque(N.m) Maximum torque(N.m) Maximum speed(rpm) Inertia moment(kg.m²) Static torque rigidity(N.m/rad) Radial deviation (mm) Angle deviation(ºC) Axial deviation(mm) Weight(g)
LB-B-16 30/XX/XX 0.8 1.6 18000 3.4*10-7 100 0.1 1.5 0.3~-1.0 8
LB-B-20 33/XX/XX 1.5 3 13000 8.9*10-7 160 0.1 1.5 0.3~-1.0 14
LB-B-25 38/XX/XX 2 4 10000 2.8*10-6 220 0.15 2 0.5~-1.3 32
LB-B-32 43/XX/XX 2.5 5 10000 8.8*10-6 310 0.2 2 0.5~-1.3 52
LB-B-32 54/XX/XX 2.5 5 10000 8.9*10-6 310 0.2 2 0.5~-1.3 58
LB-B-40 62/XX/XX 10 20 8000 1.5*10-5 520 0.2 2 0.7~-1.5 98
LB-B-55 72/XX/XX 25 50 6000 2.3*10-5 850 0.2 2 0.7~-1.5 200
LB-B-65 81/XX/XX 60 120 4500 2.8*10-5 960 0.2 2 0.7~-1.5 350
LB-B-82 103/XX/XX 80 160 4000 6.0*10-5 1290 0.2 2 0.7~-1.5 750

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