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igus® AB
First determine the fixed end – the position of the energy chain connection that does not move. We recommend placing the fixed end in the centre of the travel. This gives you the most cost-effective solution because it requires less energy chain and less cable. The fixed end can also be located away from the travel centre, of course. Chain length is calculated as follows:
 | The fixed end in the centre of the travel is always the most cost-effective solution |
For unsupported applications, the energy chain's upper run moves parallel to the lower run across the entire horizontal travel.
For fixed ends in the centre of the travel
| Abbreviations | Meaning | Unit |
|---|---|---|
| LK | Energy chain length | [mm] |
| S/2 | Half length of travel | [mm] |
| K | Add-on for bend radius (K is taken from the data tables of the individual series) | [mm] |
| R | Bend radius | [mm] |
For fixed ends off the centre of the travel
| Abbreviations | Meaning | Unit |
|---|---|---|
| LK | Energy chain length | [mm] |
| S/2 | Half length of travel | [mm] |
| K | Add-on for bend radius (K is taken from the data tables of the individual series) | [mm] |
| ∆M | Deviation of the centre point | [mm] |
| R | Bend radius | [mm] |
| Abbreviations | Meaning | Unit |
|---|---|---|
| LK | Energy chain length | [mm] |
| S/2 | Half length of travel | [mm] |
| K2 | Add-on for bend radius if the mounting point height is lowered | [mm] |
| ∆CL | Offset fixed end | [mm] |
| R | Bend radius | [mm] |
| D2 | Over length for long travels gliding | [mm] |
| H2 | Installation height with lowered mounting | [mm] |
| HRi | Inner trough height | [mm] |
| Advantages of pre-load:
|
| Abbreviations | Meaning | Unit |
|---|---|---|
| H | Nominal clearance height | [mm] |
| HF | Required clearance height | [mm] |
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