Demoulding is done with an index tool. This means that the parts do not fall down during ejection, but are removed by the robot. Therefore, the drive-up distance of the machine is important in order to get into the mould well with the four-cavity gripper.
Fully electric ROBOSHOT injection moulding machines have been used at Hans Arnold Kunststofftechnik for more than a decade and they now fill almost half of the machine park. Petra Arnold-Herpertz, managing director of the company together with her father, pursues a consistent strategy: "For us, it is important to break new ground in terms of technical equipment as well and to signal to our customers our capability and willingness to perform." The main arguments in favour of the ROBOSHOT, she says, are its precision and energy efficiency. "Both criteria are important." For production manager Kevin Lützkendorf, maintenance and service is also an issue: