Long Travels

We recommend that Treotham calculate every long travel application (gliding) for you. Treotham offers a free design service.

For long travels, the upper run of the igus® e-chains® rests on the lower run. The upper run of the chain glides partly on the lower run and partly on a glide bar. The diagram below shows this. For lateral guidance, a guide trough is necessary. If the stationary mounting bracket and the fixed end of the cables and hoses can be placed in the centre, the e-chain® length is calculated as follows: Lk = s/2 + K2

Depending on the technical data and the selected e-chain®, the mounting point of the moving end of the e-chain® must be lowered on some units (lowered moving end).

Guide troughs allow igus® e-chain® and e-tubes to continue smooth, low-friction operation in long travel applications. Principle sketches are shown below. The height of the trough must be at least twice that of the e-chain® height. The sides must provide a chamfered opening. The trough inner width is the same as the e-chain® outer width, plus 4mm. Along the side of the trough, where the upper run cannot glide on the lower run, glide bars must be installed. We recommend the use of polymer glide bars from igus®. They are optimally matched to the e-chain® material and offer the lowest values for friction, noise and wear.

Long Travels Product Range

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