Problem
The manipulators must also have a very slim design due to the usually very narrow radius of movement. The options with loose e-chain or fibre-rod were already ruled out from the start since the robot was installed upside down in order to hook in, and they are simply not compact enough.
As an additional difficulty, axis 6 must cope with a rotation of up to 1080°, which requires a very long retraction length.
- Compact installation space was top priority
- Longer retraction distance than possible for one system