R and W Couplings and Line Shafts
All couplings and line shafts are maintenance-free and zero backlash.
All couplings and line shafts are available with keyway, in stainless steel and as ATEX versions for applications in explosive atmosphere.
Bellows Couplings
- Torque ratings from 2 Nm to 10,000 Nm
- Multiple connection types available
- Clamping hub
- Split clamping hub
- Tapered press-fit with clamping hub (multi-position standard,
single position optional) - Tapered conical sleeve (BK4 model features a conical hub
and keyway for Fanuc-motors) - Flange mounting
- Expanding shaft with tapered clamping element
- Bores from 4 mm to 190 mm
- Shaft diameters (for expanding shaft connection) from 13 mm to 60 mm
- Bolt circle diameters (for flange mounting) from 56.5 mm to 170 mm
- Maximum shaft misalignments of up to 3.5 mm axial, 0.4 mm lateral, and 1.5° angular
- Double flex model for shaft misalignments of up to 4 mm axial, 0.8 mm lateral, and 1° angular
- Temperature range of -30° to +120° C for most models
Elastomer Couplings
- Torque ratings from 2 Nm to 2,150 Nm
- Vibration damping
- Electrically insulating (standard)
- Four types of elastomer inserts available for varying degrees
of damping and torsional stiffness, as well as an electrically
conductive type (to prevent electrostatic load of the coupling
and eliminate sparks) - Multiple connection types available
- Clamping hubs
- Split clamping hubs
- Keyway
- Conical clamp
- Expanding shaft
- Bores from 3 mm to 80 mm
- Conical shafts from
- Expanding shafts from 10 mm to 80 mm
- Maximum shaft misalignments of up to 2 mm axial, 0.4 mm lateral, and 1.5° angular (dependent on elastomer insert)
- Temperature range as wide as -30° to +100° C (dependent on elastomer insert)
Miniature Couplings
- Torque ratings from 0.01 Nm to 10 Nm
- Multiple connection types available
- Clamping hub
- Radial set screws
- Expanding shaft
- Press-fit with radial set screws, clamping hub, or expanding
shaft
- Bores from 1 mm to 28 mm
- Expanding shafts from 8 mm to 16 mm
- Maximum shaft misalignments of up to 1.2 mm axial, 0.3 mm
lateral, and 2° angular - Temperature range of -30° to +120° C for most models (-40° to
+200° C for Ecoflex BKL003, -35° to +90° C for Microflex FK1)
Linear Couplings
- Force ratings from 70 N to 2,000N
- Zero axial backlash
- Withstands high forces in tension and compression
- Low inertia, compact design
- Input fits internal metric threads from 6.5 mm length M5 to
24 mm length M16 - Output fits external threads from 10 mm length M5 to 32 mm
length M16 - Input and output sides connected via two sets of backlash free
leaf-spring systems - Custom bores, threads, and material available
- Maximum shaft misalignments of up to 0.7 mm lateral and
1.5° angular - Temperature range of -30° to +120° C
Line Shafts
- Torque ratings from 10 Nm to 4,000 Nm
- Mounts and dismounts without moving aligned shafts
- No intermediate support bearings required
- Torsionally rigid models and elastic models (4 types of elastomer
insert) available- Torsionally rigid models from 100 mm to 6 m in length
- Elastic models from 95 mm to 4 m in length (variable length
model available)
- Can be connected via:
- Clamping hub
- Split clamping hub
- Tapered conical sleeves
- Bores from 5 mm to 100 mm
- Temperature range of -30° to +120°C (dependent on elastomer
insert for elastic models)