AUTOMATED PRODUCTION SOLUTION FOR THE COMPLETE PROCESSING OF PARTS WITH TURNING AND CNC MILLING OPERATIONS

AUTOMATED PRODUCTION SOLUTION FOR THE COMPLETE PROCESSING OF PARTS WITH TURNING AND CNC MILLING OPERATIONS

The combination of the Maxxmill 400 5-axis CNC milling centre including Heidenhain TNC 620 control (left picture) with the VT260 vertical processing centre including Fanuc 31i control fulfils the requirements placed on the production of typical parts of pumps, electric motors, control gears in the non-automotive area as well as gear parts in the automotive sector.

In order to achieve a perfect result, we use the processing technologies best suited for the respective requirements.  The illustrated application shows the following example: turning operations – vertical processing centre / CNC milling and drilling operations – milling centre.

Both EMCO machines are connected by FANUC’s collaborative robot.  Due to the intelligent use of safety installations in combination with the collaborative robot, the system does not require any rigid fencing or access barriers.  The robot strictly traverses with industry speed (750 mm/s).

As soon as the safety space is entered (e.g. for operating tasks at the machine tools), the robot automatically switches over to the collaborative mode (250 mm/s).  The advantage is that the entire system keeps on running during this procedure. Human, automation unit and production machine can thus fulfil their tasks at the same time, together and next to each other.

The robot can be operated (moving, programmes, I/O monitoring, alarms) with FANUC’s ‘robot connection’ function or via the VT260’s operating panel.  The intelligent connection between robot control and machine control is made via the FANUC FL-Net interface.  A similar solution is also possible using a KUKA robot and a SIEMENS Sinumerik control equipped with Run MyRobot function.

Thanks to the use of the machine that is best suited for the respective type of processing in combination with the advanced human-machine-interaction and intelligent communication between the machines, the systems addresses several Industry 4.0 issues at once.

Process Sequence:
– The blanks are buffered in a staging area at the tray and then transported to the shuttle of the Vertical Turn 260 by the robot.  Loading and unloading of the VT260 occurs with the shuttle.
– Subsequently, the robot puts the half-finished part down in the staging area at the tray.
– The half-finished part to be processed with the MM400 is directly inserted into the clamping device by the robot and processed by the machine.
– Afterwards, the robot removes the finished part from the MM400 and puts it down in the finished part area at the tray.

EMCO Group

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