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A two-parts aluminum or steel hub element consisting of thin metallic bellow. The unit is designed to accommodate lateral and/or angular misalignment that can occur due to tolerance in machined parts. Good connecter to use between motor, gearbox and drive shafts. Zero windup and backlash with low inertia.
Two hubs with thin metallic Bellow
• Handles angular, parallel & axial misalignment
• 1-2 degrees angular & .010-020 parallel
• Rigid under torsional load
• High accuracy and repeatability at 10,000 RPM
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Features of R W Bellows Couplings:
Compensates for axial, lateral and angular shaft misalignment, also causing quiet, smooth operation
High degree of torsional stiffness
Exact angular transmission of angular motion and torque, zero backlash
Infinite life
Wear and maintenance free
Easy mounting and dismounting
Low lateral stiffness
Low moment of interia
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These torsionally stiff couplings serve for the connection of two shaft ends compensating for angular and parallel misanlignment as well as axial backlash. They are used for the backlash-free and precise angular drive of:
-potentiometers / angle encoders
-resolvers / transducers
-low powered drives
The mounting of the coupling onto the shaft ends is achieved by two set screws each with one cup point per hub. In the case of a smaller than indicated size of bore, an accurate transmission or peak-torque is no longer guaranteed. Larger borings can be supplied on request.
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Miniature Metal Bellows Couplings from R+W
Properties of MK Miniature Couplings:
precise transmission of angular motion and torque
zero backlash
torsionally rigid
infinite life
wear and maintenance free
compensates for axial, angular and lateral misalignment
easy assembly
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The oldham coupling is the newest in the coupling family and is similar in design to the Jaws and Disc couplings. This unit consists of three pieces: two hubs and one center disk made of plastic. The centerpiece is press-fitted to eliminate backlash and also designed to act as a mechanical fuse. The disc slides to accommodate large parallel misalignment. The shaft attached to the hubs must be supported to take full advantage of this unit.
Three pieces: Two hubs, one center disk
• Choose plastic or metallic center disk for your specific application
• Press fit = zero backlash
• Center disk slides to accommodate slight misalignment
• Functions with large parallel misalignment of .025-.100, angular misalignment of .5 degree and axial misalignment of .005
• Shafts attached to the hubs must be supported
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DELTEX - XS Torsionally flexible spider replacement couplings, made of steel or stainless steel
This patented elastic shaft coupling is a new Innovation. After removing
the safety cover the spider can exchanged easily without moving the
driving or driven side (for example motor or pump). After removing the
cover the separable spider can be exchanged without any problem.
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DELTEX - S Torsionally flexible shaft couplings - made of steel
Hubs from steel, specifically for drive elements subject to high loads,
e. g. elevator drives, steel mills, spline hubs etc.
- Torsionally flexible, maintenance-free, vibration-damping
- Axial plug-in, fail-safe
- Different elastomer hardness of spiders
- Allover machined with good dynamic properties
- Compact design with small flywheel effect
- Finish bore according to ISO fit, feather keyway according to DIN 6885
sheet 1 - JS9 and P9
- Surface protected (zinc-coated and yellow passivated, Cr6-free)
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- For high shaft displacements, double-cardanic
- Reduced vibration and noise
- The restoring forces resulting from displacements are very low
- Increase of the total lifetime of all adjacent components (bearings,
seals, etc.)
- This double-cardanic shaft coupling offers in addition all
characteristics of the DELTEX-S shaft coupling
- Finish bore according to ISO fit, feather keyway according to
DIN 6885 sheet 1 – JS9 and P9
- Surface protected (zinc-coated and yellow passivated, Cr6-free)
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- Material aluminium Al-H made of solid material
- Torsionally flexible, maintenance-free, vibration-damping
- Axial plug-in, fail-safe
- Different elastomer hardness of spiders
- Allover machined with good dynamic properties
- Compact design with small flywheel effect
- Finish bore according to ISO fit, feather keyway according to DIN 6885
sheet 1 - JS9 and P9
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- Double cardanic curved-tooth gear coupling
- Maintenace-free due to the material combination of steel and nylon
- For all applications in the range of general engineering and hydraulics
- Axial plug-in, easy assembly
- Compensating for axial, radial and angular shaft misalignment
- Finish bore according to ISO fit, kayway according to DIN 6885 sheet 1,
JS9 and P9
- Surface protected steel parts (zinc-coated and passivated, Cr6+free)
Caracteristics of the DELWEX - sleeves (material polyamide):
- High mechanical consistency and stiffness
- Favourable slide-friction behaviour
- High thermal stability to +100°C
- Good viscosity even in case of low temperatures
- Very good electrical insulating property
- Good resistance to chemicals
Behaviour of wear and friction of the DELWEX - sleeves:
The high thermal stability and resistance to lubricants, fuels,
dissolvents, hydraulic fluids, etc. make polyamide an ideal material
for components stressed by sliding, particularly for the coupling
production. While any metallic materials tend to "corrode" in case of
dry running, slide combinations with steel and polyamide are operative
without any lubrication and maintenance.
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The product range covers flexible and highly flexible couplings, gear couplings, all-steel couplings, fluid couplings, clutches and torque limiters.
N-EUPEX (pin coupling) up to 62,000 Nm
BIPEX (claw coupling) up to 3,700 Nm
RUPEX (pin and bush coupling) up to 1,300,000 Nm
ELPEX (ring coupling) up to 90,000 Nm
ELPEX-S (rubber disk coupling) up to 40,000 Nm
ZAPEX (gear coupling) up to 7,200,000 Nm
ARPEX (all-steel coupling) up to 1,500,000 nm
FLUDEX (fluid coupling) up to 1,500 Nm
PLANOX (clutch) up to 30,000 Nm
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KBT
Application:
- Main Hoist, Boom Hoist, Gantry
Advantages:
- Resistant to high temperatures
- Low wear caused by special formed teeth
- Brake disc replacement without
_axial drive displacement possible
Technical data:
- Type: Gear Coupling
- Axial displacment up to 1,5 mm
- Speed up to 2200 min-1
- Cont. transfer torque rate up to 9500 Nm
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Very large torque capacity.
Higher permissible additional loads.
Larger than usual hub bores.
DNV Type Approval certificates.
A Real Complete Range.
Highest quality.
Inventory of standard products and
of materials. Quick Service.
Compliance with AGMA standard.
Interchangeability.
Special designs.
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Zero-Max's New ServoClass Couplings are specifically designed to meet the precision positioning requirements and high reverse-load characteristics common to many of today's AC and DC servomotor applications.
Aided by Finite Element Analysis, the flexible discs accommodate higher torque, high speed and misalignment without premature failure due to fatigue or shock loads. In addition, ServoClass Couplings' one-piece assembly and their lightweight make them the ideal solution for a variety of precision servomotor applications.
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Norelem still enriches its offer by industrial components by proposing new couplings (range 23000).
Coupling 23012 monobloc without bellows tolerates an axial and side shift important being able to support to 10.000 turns per minutes. This coupling has a great tolerance of positioning while transmitting high torques and it allows, for example, to recover the shift between the engine and the screw ball.
Reference 23002 from its miniature format (Ø16 with Ø41mm) and its radial screw tightening, offers a considerably reduced set-up time and this even in the least accessible places.
It is also the case of reference 23022 with elastomer to claw. This coupling includes/understands a hub with radial tightening which facilitates the assembly in reduced spaces
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Intended to connect in dynamics or statics 2 driveshafts not aligned by preserving the homocinetism.
- For directional tri parallel compensation angular, important torsionnelle rigidity, high-speed,
- Absence of relative movement without play, without maintenance, compact and cast solid,
- Carried out out of aluminum, stainless, titanium, delrin it is the couple, torsionnelle rigidity, the environment which determines the matter.
- More than 130 types of standard Couplings
- 13 families of flexible Couplings
- 2000 articles in permanent stock in Lyon
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- very low mass inertia torque
- easy for assembly
- a small space for assembly
- balanced
- special design available on request
The size of the coupling should be selected so that the nominal torque is greater than the highest torque to be regularly transmitted. (Acceleration or load torque). The shaft misalignments must not exceed the previously mentioned values. Otherwise this will limit the working life of the coupling.
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Eflex and Powerpin Flexible Couplings
• Accepts parallel, angular and axial misalignment
• Torsionally flexible
• Simple assembly
• Wide range of standard designs
• No lubrication
• 80 or 90 shore hardness close fitting elements
• Steel or cast iron hubs
• Horizontal or vertical operation
• Brake drum or disc and special designs available
• Parallel or Taper bore alternatives
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Product Pricolast
Flexible pin couplings
Confirming to ZWP-standard and TGL 38558 and torques from 40 to 100.000 Nm
With break disk to DIN 15432
With break drum conforming to DIN 15341 and TGL 38558 a
Torques from 250 to 25.000 Nm
Special solutions as requested by costumers
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These couplings are designed for use on general applications. The units are offered as standard, but can also be modified to incorporate options including torque limitation, torque measurement, etc. The arrangement maybe adapted to permit connection to machines by any conventional form.
• DS units will accept angular & axial misalignment only. If radial misalignment is expected, D or DJ units should be considered.
• DJ units consist of factory assembled transmission units. Installation involves fitting this transmission unit between the hubs and tightening the attachment screws only. This leads to easier and more rapid installation.
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HS High Performance Couplings
The operating principle of disc couplings means that they can be designed using any even number of bolts (4 or above). Half these bolts fit to the "Driving" side and half to the "Driven" side. Hence, in a coupling with a total of 6 bolts (6HS), drive is through 3 bolts. This means that, for a given diameter of coupling, more torque can be transmitted through the 8-bolt (8HS) unit than the 6-bolt (6HS) coupling. However, as the number of bolts increases on a given diameter, the ‘span’ between them decreases and,
hence, so does the flexibility of the discs.
This brochure outlines couplings with 6, 8 & 10-bolt arrangements. The 6-bolt units have the higher flexibility and the 10-bolt units the higher torque capacity. The 8- bolt (8HS) units offer a compromise of flexibility against torque capacity and are often a good starting point if misalignment expectations are unknown.
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The standard range of Bibbygear Series II couplings embraces single and double engagement types, continuous sleeve, telescopic and rigid designs. Couplings suitable for vertical, as well as horizontal, operation may be selected from this section.
Bibby Transmissions Gear Couplings have been proved over many years of use internationally, in all kinds of industrial environments. This reliability has been achieved by our attention to detail in design, applications expertise and stringent quality control.
The latest development of Bibby Transmissions Gear Couplings family, the Bibbygear Series II, offers improvements, refinements and extensions to the range, further consolidating the Status of Bibby Transmissions at the forefront of Gear Coupling design and manufacture.
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Product Pricozahn
Crowned gear couplings
Conforming to ZWP-standard in hotizontal and vertical design
Torques from 400 to 630.000Nm
Specially designed couplings with brake drums conforming to DIN 15431
With brake disk conforming with reduced tooth clearence and shear pin couplings and with reduction sleeves
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Product Pricolift
Rope barrel gear coupling STZK conforming
to the ZWP-standard of mating dimensions
SEB-standard 666212, T1
Torques from 6800 - 630.000 Nm
Rope barrel coupling ATK conforming to TGL standard 25724
Torques from 2500 to 250.000 Nm.
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Dr James Bibby originally invented the Resilient Coupling in 1917 and the 2000 series is the latest level of this well accepted product. This Bibby Transmissions product has become universally accepted where reliable protection against shaft misalignment and vibration is desirable.
Since those early days refinements in design and material specifications have kept pace with advancing technology, achieving significant improvements in power/weight ratios.
2000H
• Horizontally Split Cover
• General purpose
• Easy access to grid minimises downtime
• Ideal for limited space applications
• Stop lug in cover prevents spinning during reversing service
2000V
• Vertically Split Cover
• General purpose
• Ideal for higher running speeds
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Fitting a Bibbigard Backstop cuts out the danger of fully loaded conveyors running back for any reason. These non-lubricated,fail-safe products operate without reliance on a power source or manual operation: rapidly and effectively, every time.
Bibby Transmissions Torque Control Division also offers a wide range of Torque Limiters to protect plant and machinery from damage due to overload, and to protect production by minimising machine downtime in the event of a stoppage. Bibby Transmissions offer complete answers to the problems created by torque and the mechanical transmission of power with a wide range of quality products all backed by comprehensive design and manufacturing expertise, in-house test facilities and technical support.
Specify Bibby Transmissions products to protect your investment in people, plant
and production.
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BELLOW COUPLINGS METAL. "Flexibility and rigidity of torsion" From 15 to 10.000 Nm Diameters of tree from 10 to 180 mm ·For servo very dynamic axes ·Absolutely without play ·Facility of assembly, plug-in version ·Universal scope of application ·Possible speed up to 50.000 t/mn ·Compensation of misalignment ·Without wear ·Weak inertia
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COUPLINGS "Precise and compact" ELASTOMERS SERVOMAX From 10 to 1.100 Nm Diameters of tree from 5 to 60 mm · Attenuator of oscillations · Electric insulation · Without play · Plug-in · Compensation of misalignment · Tightening by pinching
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