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ETP-HYLOC Hydraulic hub-shaft connections

 For heavy loads and quick mounting

  ETP-HYLOC is a hydromechanical hub-shaft connection which, due to its robust design, is ideally suited to work in difficult environments and heavy operations like steel rolling mills, process industries etc. ETP-HYLOC is fast to mount, has good concentricity and can take high torque and radial loads. Mounting and dismantling is easily carried out with a hydraulic pump.

  Good runout, easy to position

  In straightening line for steel, the forming rollers are fastened with ETP-HYLOC. The position of the rollers relatively to each other along the shafts are exactly adjusted, it will not change during pressurising. The radial runout is minimised and the change of rollers facilitated. High radial forces can be transmitted with ETP-HYLOC, as the connection is solid all through.

  simple to adjust

  ETP-HYLOC, due to its robust design, is suited for difficult environments and heavy operations. When the feed rollers are fastened in a steel mill. Adjusting of the rollers is easy to do and with high precision. When the rollers need to be changed, the quick dismantling is valuable to decrease down time.

  Good runout, thin hub

  Fastening and centering of a turbine runner puts high requirements on the connection. Often a relatively soft material is used in the hub, which should be subject to a limited tension. The moderate and even surface pressure from ETP-HYLOC works well also with thin walled hubs. Mounting and adjusting is made easy and fast due to the easy pressure setting.

  High torque, no backlash

  The gear for operating a machine for production of pet food is fastened with ETP-HYLOC. Important at the selection was the accurate adjustment to avoid backlash, the possibility to take up high peak loads at emergency stops, as well as the easy and quick mounting.

  Construction

  ETP-HYLOC is a hydro-mechanical joint, which consists of a double-walled steel sleeve which encloses a conical moveable piston. Mounting and dismantling is carried out with a hydraulic pump. In the flange there are three threaded connections (”ON”, ”P” and ”OFF”) in the radial direction and the same in the axial. This makes it possible to choose radial or axial connection of the pump hoses, depending on the build-in situation.

  Operation

  When the piston is moved, by the hydraulic pressure from the pump, the double-walled sleeve expands uniformly against shaft and hub to form a rigid joint. When dismantling, the piston is moved in the opposite direction and the joint will loosen. A small amount of oil will be taken via spiral tracks in the piston between the surfaces (pressure applied through the ”P” connection), in this way making it easier for the piston to move. Normal working pressure is 1 000 bar.

  Benefits and features

  • High transmittable torque capacity - can be varied by changing the mounting pressure.

  • Fast mounting/dismantling in tight spaces.

  • High radial load capacity.

  • Radial and axial connection is possible.

  • Fine adjustments of the hub can be made when mounting.

  • Good concentricity, also after several mountings.

  • With ETP-HFC coating – double torque capac

X液压胀套-BLHC

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