Electro Cylinder ETH Series
ETH Product Description................................................................................ 3
Product Design............................................................................................... 5
Technical Data................................................................................................ 6
Step by Step Selection Process...................................................................... 7
Calculating Required Axial Force................................................................... 8
Calculation of axial forces: 8
Selection of the Size and Screw Lead............................................................. 9
Required maximum axial force 9
Required maximum velocity 9
Required maximum acceleration 9
Service life.................................................................................................... 10
Calculation........................................................................................................ 10
Diagrams........................................................................................................... 11
Permissible Axial Thrust Forces.................................................................. 12
Diagrams........................................................................................................... 12
Stroke, Usable Stroke and Safety Travel...................................................... 14
Calculation........................................................................................................ 14
Diagram ............................................................................................................ 14
Relubrication................................................................................................ 15
Dimensions................................................................................................... 16
Motor Mounting Options............................................................................... 17
Motor and Gearbox Selection....................................................................... 18
Mounting Methods........................................................................................ 19
Standard............................................................................................................ 19
Center Trunnion Mounting................................................................................ 19
Rear Eye Mounting............................................................................................ 19
Rear Clevis........................................................................................................ 20
Rear Plate......................................................................................................... 21
Front Plate ........................................................................................................ 21
Front and Rear Plate......................................................................................... 21
Foot Mounting................................................................................................... 22
Mounting Flanges.............................................................................................. 22
Cylinder Rod Version.................................................................................... 23
External Thread................................................................................................ 23
Internal Thread................................................................................................. 23
Rod Clevis......................................................................................................... 24
Spherical Rod Eye............................................................................................. 24
Alignment Coupler ............................................................................................ 25
Outrigger Bearing............................................................................................. 26
Accessories .................................................................................................. 28
Force Sensors ................................................................................................... 28
Initiators / Limit Switches................................................................................. 32
DriveTrain Selection.................................................................................... 33
Example for Dimensioning with Predefined Drive Trains.................................. 33
Predefined Motion Packagesfor ETH032.......................................................... 34
Predefined Motion Packagesfor ETH050.......................................................... 36
Predefined Motion Packagesfor ETH080.......................................................... 38
Order code.................................................................................................... 40