The machining centre C 22 U – now also with automation

Maschinenfabrik Berthold Hermle AG

"The machining centre C 22 U – now also with automation" by Maschinenfabrik Berthold Hermle AG

The CNC high-speed machining centre C 22 U dynamic developed by Hermle in 2010 can now also be fully automated
The pallet changer PW 150 was specially designed for the workpiece dimensions of the C 22 and can convey transport weights up to 250 kg including pallet. The system consists of an NC controlled drive unit and a turning unit with double gripper. Both units are positioned compactly on the left next to the machine and allow completely free access to the working area of the machine. The pallet changer does not have to be dismounted for transportation, it does not require a floor mounting and is adapted quickly and easily to the machine at the customer's. The key feature of the pallet changer is the double gripper which can be used to simultaneously move two pallets in or out with 150 kg transport weight each or, for a one-sided application, one pallet with up to 250 kg transport weight. The maximum workpiece cube has a diameter of Ø 400 mm with a maximum workpiece height of 370 mm. This corresponds approximately to the workpiece dimensions of the C 22 to be machined. The standard design can handle up to 6 pallets, with the additional storage up to 11 pallets. The side setup station (optionally rotatable) offers ideal conditions for setup in parallel to production time. Pallet change procedure: The spindle moves to the park position into the tool magazine. The top and the expansion bellows of the left side wall are opened together and therefore provide access to the drive unit/turning unit with adapted double gripper. Meanwhile the double gripper docks with a pallet and moves it through the side access of the machining centre into the working area. The free side of the double gripper docks with and lifts the finished part pallet on the NC swivelling rotary table. Rotated through 180°, both pallets are replaced and the blank pallet is placed on the table. The drive unit/turning unit conveys the finished part pallet into the storage or into the setup station.

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About Maschinenfabrik Berthold Hermle AG

Maschinenfabrik Berthold Hermle AG is a German listed company with its head office in Gosheim auf dem Heuberg in the district of Tuttlingen and is one of the leading manufacturers of milling machines. Globally there are more than 25000 machines in use, mainly at suppliers of medical technology, in the optical industry, in aviation, in the automotive industry and in motor sport.

The most important components are developed and manufactured in Gosheim. Hermle's universal milling machines and machining centres are used for the machining of tools, moulds and series-produced parts.

Hermle produces small to medium-sized three to five-axis milling centres for a wide range of applications.

Even machines for applications with increased demands on precision or machining volumes are manufactured. The different machine models are available with magazine extensions and a pallet changer. Furthermore, various handling systems are offered directly from the manufacturer.

Hermle is all about milling and achieving outstanding results.
This is clearly demonstrated by the slogan "milling at its best". It stands for high-performance, highly innovative machining centres which have risen to a leading position nationally and internationally. It stands for a far-reaching and closely meshed sales and service network and for a worldwide presence.