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T&H Lemont AutoSet roll stand adjustment

T&H Lemont has introduced a new mill setup automation system available for retrofit of any existing mill. The system utilises patented absolute encoder technology to achieve repeatable, highly accurate setups.

A colour touch screen interface is used to select mill setup from a menu of product specifications. These specifications are based on previously stored setups. The operator enters an ID specific to the pipe or tube size.

The screen will show nominal rim gaps in addition to actual rim gaps as entered from previous production of that size tubing. The stands will automatically adjust to those locations at the touch of the screen. Each stand is represented on the touch screen, and if minor adjustments are required, the operator can make these adjustments from the touch screen in 0.001" increments.

Once the best setup is achieved, the data can be stored as the new product specification. The system is capable of storing 100+ unique mill setups.

The absolute encoders retain position information with ‘power off’ and never require a ‘zero-out’ procedure. For example, if an adjustment is made manually while the system is shut down, at ‘power on’ the system will recognise the new position.

In place of expensive servo motor drives, the system features standard AC vector drives to replace manual adjustment of the driven stands. Because T&H Lemont uses industry standard technology, the system represents an unprecedented value. The system includes as standard an Ethernet interface and web server for optional data acquisition.

Benefits of the system include faster setup and reduced material waste due to set-up errors during start-up. A complete mill adjustment can be accomplished automatically without the use of hand tools. Once one section of the mill has been retrofitted, this scalable system can be expanded at low incremental costs.

PUBLISHED: 16 Aug 10 Bookmark and Share
T&H Lemont
Visit T&H Lemonts website
+1 708 482 1800
+1 708 482 1801
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