Function: This special lifting unit consists of an aluminium square profi le with hardened steel guide rods. The carriages, which have internal linear ball bearings that can be adjusted free of play, are driven along the guide rods by a timing belt. The rotating timing belt pulleys have maintenance-free ball bearings. One rotation of the drive pulley complies with 1/2 linear circumference of the drive pulley. Belt tension can be readjusted by a simple tensioning device in one of the carriages. This device can also be used for symmetrical adjustment of two or more linear units running parallel.
The positioning system is suitable for use according to the intended purpose in potentially explosive areas (see ATEX 95 marking). An operating manual is included in the scope of delivery. The system is certifi ed for the following areas:
ATEX 2014/34/EU II 2G Ex h IIB T4 Gb:
All application areas except for underground mining. Gas atmosphere category 2, explosion protection category: protection due to secure construction (design security). Equipment group IIB. Temperature class T4=135 °C
ATEX 2014/34/EU II 3D Ex h IIIB T125 °C Dc:
All application areas except for underground mining. Dust atmosphere category 3. Maximum permissible surface temperature: 125 °C.