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Fast Focussing unit

Supplier: LRM Technologies

New technology from Rofin delivers unprecedented flexibility in laser marking allowing changes in marking height of up to 22mm in about 15ms! When this is combined with a high performance Rofin laser marker, the productivity gains are huge!

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Fast Focussing Unit

Rofin has introduced the fast focussing unit (FFU) into its Powerline laser markers to enable quick adjustment of different focus heights without using a z axis. A conventional beam expander is no longer integrated in this case. The expansion ratios are 1:2.8 and 1:5. This feature works for any single-head system equipped with Visual Laser Marker (VLM) and is available starting with the current software version (VLM 3.6).
The FFU is located between the laser and the galvo head. Neither the laser head nor the workpiece need to be moved for adjustment of the focal distance. This feature offers a substantial time advantage. Control of the FFU is done via the layer function of the VLM software.

The travel time between the upper and the lower maximum positions is 15 ms. The absolute range is up to 14 mm with a flat field lens f = 160 mm and up to 22 mm with a flat field lens f = 254. The marking field size is not affected. The use of the FFU in the semiconductor industry with respect to hardware and software is currently being evaluated currently but its use may improve cycle times for many different marking applications.

For more information please contact: Laser Resources 03 9753 2244
www.laserresources.com.au

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