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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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Falk™ Lifelign® Gear Couplings
Flange sleeve and continuous sleeve
28 sizes, 20 types
Torsionally rigid
Precision-crowned, gear-to-gear flexing element
Bores to 1 200 mm (50 inch)
Capacities to 8 191 813 Nm (72,500,000 lb-in)
Lowest initial cost for high capacities |
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David Brown 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 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.
Product Specification:
- Bore Sizes: Up to 1025 mm (40.35 in.)
- Unit Torque: Over 8,000,000 Nm (70,000,000 lb.in.) |
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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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| 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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Precision motion control applications require mechanically tight systems, especially between motors, driven loads, and feedback devices, to ensure accurate positioning. Such systems often require shaft couplings that are both torsionally rigid, to accurately transmit rotational position and laterally flexible to accommodate shaft misalignment.
Servometer couplings exhibit both low windup due to the bellows' radial rigidity, and low side thrust due to the bellows' lateral flexibility. Other coupling types have either low windup or low side thrust, but not both.
Since the flexible element is a bellows, the coupling can absorb parallel shaft misalignments of 0.068 in., angular misalignments as large as 31°, or axial movements of 0.230 in. while transmitting torque. Servometer's stock lines of flexible shaft couplings are available with stainless steel hub bore diameters ranging from .079 in. (2 mm) to 1.0 in. (25.4 mm), and with torque capabilities ranging from 2.0 in-oz (1.4 N-cm) to 4000 in-oz (2825 N-cm). Outside diameters range from 0.250 in. (6.35 mm) to 2.40 in. (61 mm) and overall lengths from 0.480 in. (12.19 mm) to 2.16 in. (54.9 mm). Specialized dynamic requirements can be custom designed to fit customer specifications.
Some unique characteristics of Servometer bellows-type flexible shaft couplings are:
- Extremely low elastic windup
- Zero backlash
- Zero cyclic speed variation during 360° rotation
- Minimal side loading
Typical applications include:
- Encoders
- Resolvers
- Servos
- Motion control instrumentation
- Robotics
- CNC machine tools
- Precision positioning |
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Material:
•Hubs:
(/= AKD-80) Steel
•Bellows: Stainless Steel
(other hub material available on request)
Working Temperature:
• -30°C to +100°C
Higher temperature and speed ratings on request. |
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Cross Shaft Clamping Elements, by means of frictional forces, provide connection of all types of transmission equipment to their respective shafts, enabling transmission of both torque and axial thrust loads. Precision tapered thrust cones within the clamping elements create high pressure between shaft and hub to securely fasten pulleys, sprockets, gears etc. Stresses in both hub and shaft are similar to heavy press fits, however, the actual stresses are easy to calculate; and the hub can always be easily dismantled without damage to it or the shaft; only a torque wrench being required for both assembly and disassembly.
Precision transmission of torque with no backlash is obtained with shaft clamping elements, without the need of tight manufacturing tolerances of mating components. Simplified designs can enable manufacturing cost reductions, coupled with easy assembly and disassembly.
Cross Shaft Clamping Elements provide an alternative method of connecting hubs to shafts to:-
Tapered Bushes, Hydraulic Clamping Systems, Fine-bored Hubs, with Precision keyways & Locking Setscrews ,Heavy Press Fits & Welded Components.
The following types are available:-
RCK 15 - RCK 13 - RCK 16 - RCK 70 - RCK 71 - RCK 80 - ACE 81 - RCK 61 -
ACE 54 - CCE 55 - RCK 40 - RCK 45 - RCK 11 - RCK 50 - RCK 19 - RCK 95
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| Rotation is transmitted through a central disc that slides over the tenons on the hubs under controlled preload conditions to eliminate backlash. Discs and hubs are available in different materials and configurations to suit different applications. These couplings provide generous radial compensation and easy maintenance. |
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Lovejoy, Inc is a world leader in the manufacture and sales of standard and specialty couplings. The company offers more than 20,000 couplings of different
styles, shapes, and sizes to help meet the needs of virtually every major industry. Styles include Curved Jaw, Straight Jaw, Gear, Grid, Torsional, Motion Control, Uniflex, Deltaflex, S-Flex, Beam, Bellows, and Disc.
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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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| The fin-couplings DINAL., belonging to series "GEL" are usually used for the connection of tachogenerators, encoders, contactors, motors, measuring instruments and for every application where a constant rotational velocity in the four qua-drants is required and where an absolute torque rigidity is required, even when the shafts coupling is not perfectly lined up. Projected according to DIN 740, these couplings can bear angular, radial and axial misalignments, without causing stress on the connected shafts, thanks to their peculiar construction. Their special construction and the used materials allow to use them within a tem-perature of - 30 °C + 200 °C. |
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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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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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For more than 25 years we have successfully been supplying shaft couplings for ships and other non-positive shaft couplings in various designs for the construction of motors and gearboxes and plant engineering. Our range includes designs with shaft diameters of up to 250 mm. Our customers benefit from the many years of experience in this field.
Rigid couplings from WEISS are available as sleeve couplings and flange couplings, both in a steel or saltwater- proof design. In addition, we also offer flywheel flanges as joining elements for diesel engines. |
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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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These accessories are available to complete the encoders’ series:
- flexible couplings
- fixing clamps
- pinion and rack
- reducing sleeves, for hollow shaft encoders
- mating connector and connection cables
- metric wheels
- mounting bells
- adapting flanges
- Eex housings |
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TOOLFLEX®
- backlash-free, torsionally stiff,maintenance-free
- non-positive bellow-hub connection
- frictionally engaged clamping hubs
- suitable for high temperatures due to flanged insert connection ( max. 280° C )
- well-resistant to corrosion - bellow made from stainless steel and aluminium clamping hubs |
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| For the correct selection of high-speed, dynamic or reversing precision drives and shaft couplings. Only backlash-free couplings are able to fulfil these requirements. The wide selection of backlash-free and price competitive coupling variations underline our market leadership. We have a backlash-free coupling for every application which optimally harmonises with your drive system. |
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Misumi is the NO 1 supplier of over 500,000 standard and customised components for Mechanical Factory Automation/Special Purpose Machinery, Press Dies and Plastic Mould. We delivery components europewide in averagely 6 – 8 days GUARANTEED DELIVERY from the day of purchase, stock items available from 2 days delivery.
Misumi components are different in that they can be configured to your need using our unique part coding system. Dimensions, materials and special machined requests can all be selected within the misumi system enabling engineers and designers to achieve a configured parts as standard with no extra machine costs. Standard items are also available via the catalogues.
All components can be designed using the Misumi CAD portal . Compatible with industry wide packages a designer can configure our parts at the touch of a button in up to 0.01mm, and download in seconds saving valuable design time, registration required.
To receive our extensive catalogue and save valuable time and money, visit our website or request yours today by clicking the request banner.
MISUMI – Precisely what you need. |
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