The manipulators must also have a very slim design due to the usually very tight movement radius. The options with a loose e-chain® or fibre-rod were already ruled out from the outset due to the robot being mounted upside down, as they could get caught and are simply not compact enough.
As an additional difficulty, the axis 6 has to manage a rotation of up to 1080°, which requires a very high retraction length.
- Compact installation space was the top priority
- Longer retraction length than possible for a system