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GB - GBF SERIES
These couplings can be fitted easily and quickly thanks to a taper-bush clamping system.
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Lovejoy's S-Flex coupling design is simple, ensuring ease of assembly and reliable performance. No special tools are needed for installation or removal. S–Flex couplings can be used in a wide variety of applications.
Its design is comprised of three parts. Two flanges with internal teeth engage an elastomeric flexible sleeve with external teeth. Each flange is attached to the respective shaft of the driver and driven and torque is transmitted across the flanges through the sleeve. Misalignment and torsional shock loads are absorbed by shear deflection in the sleeve.
In all designs, pre-molded teeth along the diameter of the sleeve engage with teeth of the coupling flanges. No clamps or screws are needed to connect the flanges with the flexible sleeve which securely lock together under torque for smooth transmission of power. All three sleeve materials are highly elastic which permits the S–Flex coupling to protect connected equipment from harmful shock loading, vibration, and shaft misalignment.
The S–Flex coupling from Lovejoy offers combinations of flanges and
sleeves which can be assembled to suit your specific application. Thirteen
sizes are available with torque capabilities that range from 60 in-lb to
72,480 in-lb.
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Backlash-free flexible shaft coupling - Simple plug-in installation | Vibration-damping function | Maintenance-free | ATEX Conform available
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Features:
- backlash free
- simple, plug-in mounting
- vibration damping
- compensation of radial, axial and angular
- misalignment
- transmission of torque values between 0,5 and 650 Nm
Common Applications:
- encoder
- precision drives
- feed drives
- grinding and milling spindles
- machine tools
- packaging machines
- industrial robots
- transfer lines
- multi-spindle heads
- wood processing equipment
- textile machinery
- conveying equipment
- linear motion
- measuring equipment and controls
- test rigs...
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MaskaFlex
- Superior product construction & design
- Revolutionary reinforced elastomeric element
- Solve problems of misalignment, end float & shock loads
- Forgiving, low maintenance, durable
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Lovejoy offers a variety of designs and models in its gear coupling family. From standard, off-the-shelf stock to new, high speed, special designs, Lovejoy can satisfy your gear coupling needs.
The original Continuous Sleeve, or “C” coupling, offers a lightweight, compact, and simple design without compromising torque carrying capacity.
The Flanged Sleeve, or “F” coupling, is available in exposed or shrouded bolt styles in which the number of bolts, size of bolts, and bolt circle are identical with industry standards.
The nylon sleeve gear couplings, Nyflex and Mite, are compact, lightweight couplings that use a nylon sleeve and two sintered iron hubs. Lubrication is not required with the nylon sleeve.
Lovejoy also has an All Metal Labyrinth Seal coupling and an Alloy Steel coupling. The All Metal Labyrinth Seal coupling is a flanged sleeve style, but uses no elastomeric seals. The Alloy Steel coupling is made from AISI 4140 steel.
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GC Gear Coupling
Precision grade JIS B 1702 grade 5
Gear teeth Standard full depth (w/Crowning)
Pressure angle 20
Material S45C (Carbon steel)
Heat treatment Induction hardened teeth
Surface hardness HRC 4853
Surface treatment Unichromic plating
Surface finish Cut
Datum reference surface for gear cutting : Bore / Outside diameter
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Cone Drive has a range of gear coupling solutions to meet our Customer's requirements for integration into our gearboxes or to supply on a replacement basis.
A torsionally rigid, lubricated design that offers high torque capacity, application versatility, and where high torque loads exist or shaft diameters exceed 100mm, the lowest initial cost. Available in 28 sizes, and all featuring triple-crowned teeth, David Brown gear couplings offer the industry leading torque ratings (over 8 million Nm) and the largest bore capacities (up to 1025 mm).
- Type GC02 & GC05 Continuous Sleeve Couplings - Features a one-piece, low profile sleeve encompassing the hubs. Economical and compact they are available in both close coupled and floating shaft models.
- Type G/GF32 Spacer Coupling - For pumps and compressor applications, provide ease of servicing 'connected' equipment.
- Type G/GF52 Floating Shaft Coupling - Used when distance between equipment is too great for spacer couplings. Two single engagement couplings with interconnecting shaft. Also available for vertical mounting.
- Type G/GF20 Close - Coupled Double Engagement Coupling - Design with 2 flex halves to accommodate both offset and angular misalignment. Also available for vertical mounting.
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Cone Drive has a range of coupling solutions to meet our Customer’s requirements for integration into our gearboxes or to supply on a replacement basis.
A general purpose, lubricated design that combines the economy and the high torque capacity of a gear coupling, combined with the torsional flexibility of an elastomer coupling. Backed by a 5-year lubrication warranty, David Brown grid couplings require no periodic maintenance when lubricated with David Brown LTG (Long Term Grease) at installation. Featuring 25 sizes, grid couplings can accommodate torque loads of 932,000 Nm and shaft diameters of 508 millimetres.
* Type T10 Close Coupled - A double flexing, close-coupled design for use in four bearing systems. Features a horizontally split cover which allows for gird replacement without the movement of the connected equipment.
* Type T20 Close Coupled Coupling - A double flexing design featuring a vertically split steel cover. Ideal for higher running speeds.
* Type T31 Full Spacer - Complete centre section drops out for easy service of connected equipment bearings and seals. Ideal for pump applications.
* Type T35 Half Spacer Coupling - An economical spacer design for easy service of connected equipment bearings and seals. Ideal for pump applications.
* Type T50 Floating Shaft Coupling - Double piloted design for connecting equipment where the distance between shafts is too large for a spacer type coupling.
Product Specification
* Bore Sizes: Up to 508 mm (20 in.)
* Unit Torque: Up to 932,000 Nm (8,248,200 lb.in.)
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The Jaw Type couplings are offered in the industry’s largest variety of stock bore/keyway combinations. These couplings require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications. They are also fail-sale and will perform if elastomer fails, provides no metal to metal contact, resistant to oil, dirt, sand, moisture and grease.
Applications include pumps, gear boxes, compressors, blowers, mixers and conveyors. The couplings are available in a variety of metal hub and insert materials. Hubs are offered in sintered metal, aluminum, bronze, steel, stainless steel, and ductile iron.
Lovejoy offers four types of elastomer designs to allow for additional flexibility in addressing specific application requirements. Elastomer materials are available in Sox (NBR) rubber, Urethane, Hytrel, and Bronze.
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The perfect servo coupling - Low cost | Plug-in type, variable bore diameters | Larger shaft misalignment compensation capability | Minimal mass moment of inertia
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Oldham Couplings
Clamp style Oldham Coupling - separated view
Oldham couplings are ideal for many motion control applications. Comprised of aluminum hubs with drive tenons that mate to a torque transmitting plastic disc, their design allows for easy sliding to accommodate misalignment with a very light bearing load. Oldham couplings also have the advantages of electrical isolation, low inertia and a balanced design for higher rpm applications. While the couplings accommodate a small amount of angular and axial misalignment, they are especially useful in applications with parallel misalignment.
Set Screw Oldham CouplingOldham couplings are offered in seven sizes of set screw or clamp style hubs with bore from 1/8" (3mm) to 1" (25mm). The hubs are anodized for improved lubricity and increased life. The replaceable center discs are available in two materials to suit different applications. Nylon discs are compliant to dampen vibrations and reduce noise. Acetal discs are designed for precision applications requiring zero backlash and high torque capacity. Since the discs are replaceable, they may be used as a torque limiter.
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The Roller Chain Coupling is a safe, compact and powerful flexible coupling, able to handle loads from 0.1 - 11,000 kW. The sprocket teeth are specially shaped and hardened, and torque is evenly apportioned.
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Today’s manufacturing sector is concerned with the amount of downtime spent on scheduled and unscheduled maintenance. The dollars lost to unscheduled maintenance by itself can be quite substantial. All industrial facilities use some type of flexible coupling for pumps, compressors, conveyors, and other machinery.
Fact is, flexible couplings all require some type of maintenance. Gear and grid type flexible couplings require lubrication. To lubricate these types of couplings, the lube plugs must first removed and then the coupling is filled with grease. Various elastomeric type flexible couplings require periodic change of the elastomeric element. The difficultly level for different types of elastomeric couplings can vary widely. Some, like the standard jaw product, require that one of the hubs be moved back on the shaft to allow for the element to be changed-out. Machinery may have to be moved to allow for this hub movement, which can be very time consuming.
Other elastomeric designs have many fasteners and parts to be disassembled for element change-out. In either case, the time that it takes to change this element is critical for maintenance personnel. This is where the advantages of the Lovejoy Jaw In Shear 6 Pin design provide a solution to plant downtime. There are no tools necessary, no hubs to move, no messy lubrication to deal with and best of all – elements can be changed in minutes.
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Compact Torque Measurement Coupling - Contactless torque measurement | Integrated into a backlash-free shaft coupling | Simple electrical and mechanical installation | Robust and reliable machine element | Completely maintenance-free
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Torsionally Rigid Shaft Couplings - High torsional spring rigidity | Extremely high alternating torques | Large variant range | Low mass inertia | ATEX Conform available
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COUPLINGS
FLEXSTEEL
The advantages of the system:
- no backlash
- torsional stiffness
- high temperatures
- high speeds
- long, maintenance-free life
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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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Reli-a-Flex® Flexible Shaft Couplings
Reliance manufactures flexible shaft couplings, a crucial part of motion control assemblies. They are designed to provide accurate motion between two shafts where a small amount of misalignment exists.
Reli-a-flex - Flexible shaft couplings
Failure can have a catastrophic effect on the parent machine, in the form of a total loss of drive or position sensing.
For high integrity, high reliability,
accurate positioning applications Reliance engineers recommend Reli-a-Flex®couplings - engineered to perform in accurate measurement and precise motion control applications.
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Standard coupling N-EUPEX® A, complete standard Coupling N-EUPEX® B, complete standard Coupling N-EUPEX® H, complete standard Coupling HABIX® HWN, complete standard Coupling BIPEX® BWN, complete Standard Coupling RUPEX® RWN, complete Coupling PAGUFLEX® complete Coupling ESSEX®
Electrical drives and couplings
Our range includes AC/DC linear drives, DC motors, AC/DC servo drives and frequency inverters. The range of couplings includes torsionally flexible and torsionally rigid couplings.
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Maska 4-Flex
- 4-way flexing action
- 2 types of insert elements - EPDM & Hytrel
- J & S flanges bored to size ; B flanges fitted with QD bushing
- Precise concentrical product to avoid run-out and unbalanced drive
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Renold Couplings produce a wide range of standard and customised clutch and coupling products. These products include soft start fluid couplings, large gear couplings, elastomeric couplings and mill spindles.
Manufacturing and processing companies the world over rely upon Renold for their power transmission solutions.
Industrial sectors such as mining, quarrying, mineral processing, metal manufacture, cement and power generation regularly use Ajax mill Spindles, Hi-Tec flexible couplings, Renold Hydrastart, Gearflex and Pinflex couplings.
If you have an application requirement Renold will offer the solution.
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Information Transmitting Coupling
Berg's Information Transmitting Coupling series offer zero backlash and high torsional rigidity. They are ideal for precision positioning applications where constant velocity is required for accurate feedback control.
The single piece Beamed couplings are offered in single, three and six beam design to offer engineers the largest design criteria available. They are manufactured in stainless steel, aluminum and Delrin.
We also carry Wafer Spring, bellows and sleeve couplings within this group. This product line is also available in metric sizes.
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A Series - Aluminum
* Light to medium duty
* Non-Magnetic
* Economical
* No maintenance
The A Series meets performance demands over a wide range of applications, including drive systems for encoders, instrumentation, lead screws, small pumps, feed rollers and anywhere a light to medium duty torsionally flexible coupling is required. Helical's most popular coupling.
H Series - Stainless Steel
* High torque capacity
* High fatigue resistance
* Corrosion resistant steel (CRES)
The H Series coupling is ideal when high strength, excellent fatigue resistance and high torsional stiffness is called for in your application. The H Series' premium performance is designed for applications requiring a heavy-duty coupling, such as drive systems, small pumps, and gear boxes.
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- Backlash-free shaft connection under prestress for spindle drives,
elevating platforms, machine tool drives, etc.
- Axial plug-in ability and easy blind assembly without any timeconsuming
screw connections
- Small dimensions with low flywheel mass
- Maintenance-free, easy to check visually
- Different elastomer hardness of spiders
- Finish bore according to ISO fit, feather keyway according to DIN 6885
sheet 1 - JS9 and P9
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- Backlash-free shaft coupling for spindle drives,
elevating platforms, machine tool drives, etc.
- Torsionally flexible, maintenance-free, vibration-damping
- Axial plug-in, fail-safe
- Different elastomer hardness of spiders
- Allover machining 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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The TCB barrel coupling is recommended for installation
in the drum drive of crane constructionsand mechanical
conveying systems. In this field Jaure has gained an
important experience in the most difficult and rough
operating conditions.
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TOOLFLEX®
* Metal bellow-type
* Bellow made from stainless steel
* Backlash-free, torsionally stiff, maintenance-free
* Coupling for servo and linear drives, positioning systems
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Bellows Coupling BKL
Rated torque from 2-500 Nm
low cost version
self opening clamping
system optional
Bellows Coupling BKC Economy Class
Rated torque from 15-500 Nm
compact design
low cost version
self opening clamping
system optional
Bellows Coupling BK2
Rated torque from 15-1,500 Nm
easy to mount
compact and cost effective
low moment of inertia
speeds up to 40,000 RPM available
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Ramsey produces a range of silent chain shaft couplings in both carbon steel and 316 stainless steel. Couplings have a torque capacity that is greater than the largest mild steel shaft upon which they can be mounted. Contact Ramsey for more information.
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