General Safety Information; General Product Description; Functional Description - Festo DGE-25 ZR RF Series Repair Instructions

1.3

General safety information

Warning
The toothed belt axis must only be repaired by authorised and trained persons in accordance with the specifications in
the technical documentation and using genuine spare parts.
Installation and repair by unauthorised and untrained persons, repairs using non-genuine spare parts as well as with-
out the technical documentation required for installation and/or repair are dangerous and therefore not permitted.
Repairs must only be carried out in conjunction with these repair instructions as well as the respective operating
instructions for the device.
Note
Instead of carrying out the repair yourself, your local Festo sales office offers the option of having the repair carried
out by Festo.
Environment
Components and equipment replaced as part of a repair must be disposed of in accordance with the locally valid envi-
ronmental protection regulations.
2

General product description

2.1

Functional description

The DGE-...-ZR-RF is a toothed belt axis based on the operational principle of a circulating toothed belt for power trans-
mission. The rotary motion of a servo or stepper motor produces a linear motion in a toothed belt with a pulley at both
ends of the axis that is then transmitted to the slide with roller bearings attached to the toothed belt using clamping
components.
The slot in the cylinder barrel required for this is covered by the toothed belt that protects the roller bearing guide inside
the axis against the entry of dirt.
By minimising the moving dead weight, a high dynamic response and shorter cycle times can be achieved.
The DGE-...-ZR-RF is approved for slide operation and yoke operation (cantilever operation).
1
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2 3 4 5 6
1 Drive cover with corner pulley
2 Cylinder barrel
3 Clamping body for tensioning the
7
toothed belt
8
4 Eccentric screw for setting the
9
roller bearing pretension
5 Slide
6 Track rollers
7 Toothed belt pulley with drive
aJ
trunnion
8 Guide rods
9 Wiper seal for lubricating the
aA
guide rods
aJ Toothed belt
aA Deep-groove ball bearing
Festo 7DGE_ZR_RFb_en