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ROSTA TENSIONING TECHNOLOGY
The concept and production of machine components for the maintenance-free tensioning of belts and chain drives has always been a core competence of ROSTA.
Whether for the initial tensioning of large belt drives with our self-adjusting motor base suspensions or for efficient secondary tensioning by means of easy-to-install chain and belt tensioners, ROSTA has the standardised solution!
When using the ROSTA tensioning systems, problems such as the compensation of lengthening due to age and belt slip are no longer an issue in your machine design - you can simply forget the periodical re-tensioning maintenance!
Everybody has come into contact with rubber suspension units at some time, mostly unknowingly. In every amusement park there are hundreds of ROSTA units in ships, rafts, sledges and roller coasters. They ensure that the passengers can race on there vehicles through rapids and curves without shock and above all, injury. Safety rails, buffers and river bends are literally covered in elastic elements so that the 'horse and rider' survive the ride with amusement and not injury or shocks.
ROSTA rubber suspension units carry cable cars, ski lift seats and suspend railways in collieries. They also make sure that the electrical power from rails or overhead lines reach the motor at all times via pantographs maybe you have been on a tram or train that has had such a system. The applications that Rosta units can be put into are as extensible as the units themselves.
Chain and Belt Tensioners
A list of possible applications for these rubber suspensions would be incomplete without mentioning chain and belt tensioners. Over 40 years ago this component was the first standardised product from ROSTA. All chains wear, all belts wear and stretch, some considerably during there working life. Without some form of automatic tensioning device to compensate for this wear / stretch, belts would screech and only transmit a fraction of the torque and chains would tend to wear prematurely and be noisy, with the whipping action and eventual jumping of the sprockets perhaps causing damage to the rest of the drive or even the machine. With over 500,000 tensioning units installed every year, quiet, efficient and low maintenance operation can be obtained in virtually all open drive units.
Read the latest specification leaflet from Rosta for sizes, uses and capabilties click on the top navigation bar for ROSTA products
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ROSTA Tensioning Element Type SE/SE-G/SE-W | (27) |
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ROSTA Tensioning Element Type SEI (INOX) | (4) |
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ROSTA Sprocket Wheel Set Type N | (1) |
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ROSTA Tensioner Device Type SE-B (Boomerang) | (2) |
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ROSTA Tensioning Roller Type R | (1) |
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ROSTA Chain Rider Set Type P | (4) |
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