ETP-TECHNO is available as standard for shafts 15-130 mm, with imperial sizes also available. Run out ≤ 0,006 mm. Number of mountings 500 – 5000 (size dependent). The extremely thin built-in dimensions allows for a compact design with low weight and inertia.

Construction

ETP-TECHNO is a hydraulic connection which consists of a double-walled hardened stainless steel sleeve filled with a pressure medium, and a flange. The flange part contains a stainless screw and piston with seals to maintain pressure.

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-TECHNO returns to its original dimensions and can easily be dismantled.

Where we win

  • ETP-TECHNO have the same benefits and features as ETP-EXPRESS.
  • Compact design.
  • Flat flange design allows for easy cleaning.
  • Pressure medium and screw lubricant are food approved.

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

ETP Techno DiagramETP Techno Specification Icons
ETP Techno

Technical specification ETP-TECHNO® Notation ETP-TECHNO XXX

ETP-®DimensionsTransmittableScrewsPolar 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
151519525325415051M12166100,090,25
20202559603046145122M12196100,150,32
25253270713555250163M14246160,380,58
1 "25,43270713555250163M14246160,380,58
30303875794060500264M14266160,540,69
1 1/4 "31,754179814262510254M1427,56160,640,78
32324179814262510254M1427,56160,640,78
35354484874565740345M1629,58240,750,84
1 1/2 "38,15090935070880365M1632,58241,11,08
404052919555751200476M16338241,31,18
4545569610158781700627M16358241,51,24
50506511011460852250719M2040,910402,31,64
6060751251327095440011912M2046,8104052,51
70709014014985110700015813M205310408,93,65
75759514715890115860018314M2055,31040124,20
8080100156168951231090021815M2258,71060154,85
909011216617710513315500277172 x M22**63,31060225,44
10010012517718811514321000335192 x M22**701060336,18
11011013818719712515328000410212 x M22**75,51060437,08
12012015019820813516329000393232 x M22**81,11050549,96
13013016320821713516332000393252 x M22**86,810467510,86
T= Transmittable torque when axial force is 0.}   When the screw is tightened to Tt.Tt= Recommended tightening torque for the screw/screws.
Further tightening does not increase the pressure.
* D2 is valid before mounting.
** Pressure screws positioned in the same direction.
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 h8
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: 0,7 x T.
Pulsating: 0,8 x T.


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