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| For the correct selection of high-speed, dynamic or reversing precision drives and shaft joints. 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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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 professional 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 manufacturers 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 Clamp 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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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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| Rotation is transmitted through a central disc that professional 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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| ... products without technical information |
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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 professional 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 manufacturers 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 Clamp 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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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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| Rotation is transmitted through a central disc that professional 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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ETP has, through the development of ETP-OCTOPUS, explored the many positive qualities of their hydraulic hub-shaft connections. The most important features are compact design, quick locking, accurate positioning and good runout. The joint should not damage the contact surfaces and must be easy to dismantle.
ETP-OCTOPUS builds on the same principle, but the pressure setting is done with the help of an external pressure source separate from the clamping joint. This makes the pressure setting extremely fast and makes it possible to pressurize several joints simultaneously and remotely.
ETP-OCTOPUS is available in three models C, O and F. Special types are made on customers request.
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The scientist Blaise Pascal formulated the principle of pressure propagation in liquids many years ago:
”A liquid confined in a vessel which is subjected to pressure distributes the pressure uniformly upon the walls of the vessel. ”
ETP has explored the many positive qualities in this principle, developed it further and applied it to the hub-shaft connections.
”A hydraulic pressure medium confined in a double-walled sleeve is pressurized (with screws/pistons or with an external pump). The pressure is distributed evenly along and around hub/shaft. The double-walled sleeve expands uniformly and gives an even contact pressure against shaft and hub ”.
The ETP-Principle works because of the hydraulic system: compact design, fast mounting, easy to position, good runout, does not damage the contact surfaces and is easy to dismantle. These qualities are important today and will be even more important in the future.
With increasing requirements on down sizing the machines, better runout/balance, increased machine speeds, shorter downtime for service and increased precision, is why the ETP hydraulic hub-shaft connections are choosen for more and more designs.
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ETP-HYLOC, due to its robust design, is ideally suited to work in difficult environments and heavy operations like steel rolling mills, process industry etc. An interesting application, among many, has been fastening of rolls to shafts. ETP-HYLOC is fast to mount, has good concentricity and can take high radial loads.
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ETP Transmission AB is specialized in development and manufacturing of high precision hydraulic fastening devices.
A new hydraulic hub-shaft connection assortment of the more common ETP-Products are now introduced in stainless steel.
The demand from the food and process industries is increasing for stainless steel hub-shaft connections, surface coatings and plating are no longer sufficient.
The three most common types of the ETP-Products, ETP-CLASSIC, ETP-MINI and ETP-EXPRESS, are now available as standard items.
ETP-CLASSIC Type R, recommended for all normal needs.
For shaft sizes from 15 to 50 mm.
ETP-MINI Type R, for small shafts with sizes from 6 to 14 mm.
ETP-EXPRESS Type R, especially suitable for applications where adjustments
of the hub are made frequently or because of the need for radial access.
For shaft sizes from 15 to 50 mm
All surfaces exposed to the environment are made of stainless steel. In for example food processing this meets essential requirements.
Choose, for your application, the optimum hub-shaft connection in stainless steel
from ETP.
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RLK 200: the classic standard type
50 sizes available
slit cones for rough fits up to h11/H11
shaft diameters from 20 to 400 mm
torque up to 442 kNm
axial forces up to 2210 kN
RLK 250: space saving element
self centering
easy mounting
radial application
shaft diameters from 15 to 70 mm
torque up to 1075 Nm
axial forces up to 31 kN
RLK 400/402: for heavy applications
self centering
large clamping area, low surface pressure
shaft diameters from 45 to 600 mm
torque up to 13700 kNm
axial forces up to 4600 kN |
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| Compact Torque Measurement Industrial coupling - Contactless torque measurement | Integrated into a backlash-free rod coupling | Simple electrical and mechanical installation | Robust and reliable machine element | Completely maintenance-free |
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Linking joint shafts are indispensable in the field of linking technology and are needed in every possible variant in respect of length, arrangement of the end parts and particularly bendability and angularity, right or left hand threads and in galvanized or stainless steel versions.
mbo Osswald has now taken these into consideration. Particularly as supplier and manufacturer of the end parts needed for these joint rods, mbo can offer all options of these end parts. In this way, clevis joints be combined with angle joints and knuckle eyes with shaft ends with left/right hand threaded joint rods.
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This Double Joint is used for the same application as series 0.400, namely in steering axles of all professional wheel drive vehicles. However, the design of series 0.500 differs slightly from that of series 0.400.
The joint pivots are not located in one plane thus enabling a more compact design. This feature shortens the distance between the centerpiece which results in a shorter installation length.
Series 0.500 offers more joint sizes than series 0.400 thus covering a wider torque range. |
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| ... products without technical information |
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| DSTI can provide custom rotary unions designed to mount directly to an existing shaft. These units can be used to feed air, grease & other medias into rotating shafts. Please consult your DSTI representitive to discuss the details of your specific application. |
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Rotary Systems designs and manufactures a line of standard and custom over-the-shaft rotary unions.
The rotary union shown is constructed from carbon steel and utilizes a precision ground shaft, radial ball bearings and Teflon professional seals. This is a two passage rotary union with .25" NPT passages with a four inch bore through the shaft. This union was designed specifically for a high pressure hydraulic indexing application.
Our standard over-the-shaft line of rotary unions can be viewed on our website by clicking on the 011 series. Our standard unions are offered in two and four passages with a .5", 1.5” or 2.0” bore through the shaft. The bore through the shaft is independent from the union. Some customers will pass a shaft or electrical wires through this bore.
If you have a custom rotary union application, please contact our Technical Sales department at 1-800-959-0146.
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