ETP-POWER is available as standard for shafts 15 – 40 mm. Run out ≤ 0,03 mm. Number of mountings 200 - 500 (size dependent). ETP-POWER combines quick mounting with a high radial load capacity due to the specially developed pressure medium. As the name suggests, ETP POWER is for higher torque applications.

Construction

ETP-POWER is a hydraulic connection which consists of a double-walled hardened steel sleeve filled with a specially developed pressure medium and a flange. The flange part contains screw and piston with seals to maintain pressure. In the flange there are two pre-machined bores which can be used for mounting location pins, screws to the hub or similar.

Operation

When the pressure screw is tightened the double-walled sleeve expands uniformly against shaft and hub and creates a rigid joint. Dismantling is done by loosening the screw. ETP-POWER returns to its original dimensions and can easily be dismantled.

Where we win

  • High radial load capacity.
  • Fast mounting/dismantling with only ONE screw.
  • Small built-in dimensions.
  • Radial tightening of the screw saves space along the shaft.
  • Accurate positioning, no axial movement when mounting.
  • Good concentricity, also after several mountings.

 
ETP Power - Tightening
When the pressure screw is tightened to the recommended tightening torque, the piston has reached the bottom of the bore. ETP-POWER has created a uniform surface pressure against the shaft and hub.

ETP Power DiagramETP Power Specification Icons
ETP Power

Technical specification ETP-POWER® Notation ETP-POWER XX

ETP-®DimensionsTransmittableScrews**
DIN 912, 12.9
Bores 2xH
suitable for
MC6S screws
Polar moment
of inertia
J
kgm2 • 10-3
Weight
kg
torqueaxial forceradial force
d
mm
D
mm
D1
mm
D2
mm
L
mm
L1*
mm
T
Nm
FA
kN
FR
kN
Dim.R
mm
N
mm
Tt
Nm
D3
mm
Screw
Dim.
151520515521356072M1017,15836M50,060,19
1919265458274110084M1018,25840M50,080,23
3/4”19,05265458274110084M1018,25840M50,080,23
20202755592842130114M1018,95841M50,090,24
22222958622943210154,8M1020,55843,5M50,110,27
24243264703347230155,6M1022,75848M60,170,34
25253367723448300206M1023,25850M60,210,38
1”25,43367723448300206M1023,25850M60,210,38
28283770763549325207,2M1024,95853,5M60,260,43
30303972803650530268M10265855,5M60,290,45
1 1/431,754385923858550268,8M163182564,5M80,730,82
32324385923858550268,8M163182564,5M80,730,82
353546889440609004010M1632,482567M80,850,88
3838509096446411504711,2M1633,182570M80,940,92
1 1/2" 38,1509096446411504711,2M1633,182570M80,940,92
40 "40539196476712004712M1634,282572M81,01,0
T= Transmittable torque when axial force is 0.}   When the screw is tightened to Tt.Tt= Recommended tightening torque for the screws.
Further tightening does not increase the pressure.
* D2 is valid before mounting.
Dimensions subject to alterations without notice.
FA=Transmittable axial force when torque is 0.
FR=Max transmittable radial force at continuous operation.
Max allowed bending torque: 10% of transmittable torque T.

TOLERANCES

Shaft k6-h7 for d = 19, 22, 24, 28, 32, 38 mm.
Shaft h8 for all other dimensions d.
Hub H7.

Type of torque

Transmittable torque, T, is for static load. If the load is alternating or pulsating torque, reduce the transmittable torque, T, with the following factors: (factor x T).
Alternating: 0,5 x T.
Pulsating: 0,6 x T.


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