milling robot RX170 hsm
A Robot for CRP Processing
Milling, Trimming, Drilling. The processing of lightweight construction materials such as CRP has its own specific rules. With its newly developed milling robot named RX170 hsm (high speed machining), Stäubli Tec-Systems GmbH in Bayreuth, Germany, has recently found a solution for the fast and precise processing of fiber composite materials. Its 1,835 mm working range makes it suitable for large workpieces too. If connected to a linear axle, almost any desired working range is possible, even enabling the user to mill parts of several meters’ length. Featuring a repeating accuracy of ± 0.04 mm, the unit even exceeds the values required for CRP processing. Several workstations are usually positioned around the robot. This way, working and charging can take turns.
These favorable features open up entirely new applications for the milling robot – ranging from processing lightweight parts in aviation industry, via automotive applications, to working on components for wind power plants. Of course, the robot can also work in the classical field of tool- and moldmaking. The machine not only processes lightweight materials, but also steels, plastics, wood, glass and stone. As possible fields of application Stäubli sees e.g. milling, deflashing, trimming, drilling, thread cutting as well as polishing and various types of finishing.
The milling robot was developed from the RX170 precision robot. To make the machine fit the intended applications, Stäubli engineers designed a new upper arm and a special wrist joint, with the sixth axle replaced for a milling spindle. Power supply, as well as spindle cooling and lubrication, flow inside the arm, entirely.
Several easy ways are feasible of programming the robot for operation. For instance, one can generate complex milling paths on a PC, using CAD/CAM systems, and then export them to the robot control unit. For simple milling paths or drill holes, no CAD/CAM software is necessary. The VALhsm operating interface enables for direct teach-in of the path or drill hole position right on the manual control unit.
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