Over the past 20 years HATEBUR has continued to implement state of the art servo technology in its cold forming COLDmatic machines. This includes its servo-electric direct drive technology, which it has recently implemented on its CM625 and CM725 horizontal multi-stage presses.
The implementation comes after the successful introduction of the servo drives for part transport and material infeed, which now means that all three units have been converted to electric drive technology – giving users many advantages.
The servo electric linear infeed displays consistence and speed, as well as easy maintenance and changeover. The same goes for the servo transfer unit, which HATEBUR AG says boasts ease of use, flexibility, minimised changeover times and optimised process reliability.
Another important advantage of the servo technology is its flexibility. Infeed, part transport and direct drive can all be programmed and controlled independently. For example, the direct drive can be slowed down at the rear dead centre, allowing more time for the lateral transport of the parts. As a result, raw parts with a length of up to 155mm can be transported, which is almost 20% larger than before. In addition, the individual control of the press ram allows for unique motion control.
A further highlight is the hand wheel, which gives a better feeling for the machine; shortens set-up times; and provides for an intuitive machine operation. Tool life has also been extended, as well as the ergonomics and workspace layout being improved. One of the key benefits of the servo direct drive is that high maintenance mechanical units such as drive belts, flywheels and brake-clutch combinations are no longer needed and the components of the direct drive are practically maintenance-free.
With the HATEBUR CM725, up to 180 parts with a diameter of up to 32mm can be produced with a maximum pressing force of 2,500kN per minute. It is ideal for the manufacture of complex cold formed parts for the automotive industry.
Having spent a decade in the fastener industry experiencing every facet – from steel mills, fastener manufacturers, wholesalers, distributors, as well as machinery builders and plating + coating companies, Claire has developed an in-depth knowledge of all things fasteners.
Alongside visiting numerous companies, exhibitions and conferences around the world, Claire has also interviewed high profile figures – focusing on key topics impacting the sector and making sure readers stay up to date with the latest developments within the industry.
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