01/18/2007
Direct-drive feeder raises output by 10%
AT transfer range with new drive concept
Schuler has revised its AT range of three-axis NC-transfers and expanded it for new application fields. The newly developed direct-drive feeder with highly dynamic servo drives now makes the system even more dynamic. Compared with its predecessor, the new AT transfer raises output by some 10%. This is partly due to the significant reduction in mass which has to be moved. Schuler will present the new transfer generation to industry experts on January 18, 2007 at a customer event.In addition to their tried and tested technology, the AT transfers also boast a modular equipment concept. The new transfer generation is available in three sizes and thus covers a wide spectrum of applications: the AT-1 for spans up to three meters, the AT-2 for up to five meters and the AT-3 for up to nine meters. All models feature closed clamping boxes. These are located either between the press uprights or on the outer side of the press uprights and can be mounted either hanging above or standing below the transport level.
The direct drive acts directly on the transfer rail and was integrated into the transfer rail guides. The system uses highly dynamic servo drives with low-clearance, torsion-proof and maintenance-free planetary gears, clearance-free shaft couplings, hardened and ground racks and pinions with long-term lubrication units.
Light, medium & heavy
The new generation of AT transfers can be scaled freely in terms of performance and adapted to a wide variety of application needs. All three sizes are available in the performance classes “L” (light), “M” (medium) and “H” (heavy), in order to cover low, high and very high part weights and stroking rates. The Heavy model boasts exactly twice the capacity of the Light version.Safe investment
The modular construction of the AT range means that the three-axis NC-transfers can be upgraded at any time to enhance output – thus offering maximum security for customer investment. For example, a user who originally chose a Light version can later easily fit additional or more powerful drives of Schuler Automation in order to reach higher output figures. In addition to higher outputs, the new AT transfer generation offers the following benefits:- Fewer mechanical interfaces with the press
- Improved access to the uprights for the press operator and maintenance engineer.
- Fewer interfering contours to facilitate the design and selection of automation for material loading and unloading.
- Easy to retrofit to existing presses.
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