EuroWire January 2021

Manufacturing Technology

Fast and reliable thread rolling Enkotec’s new-generation Enkoroll is a fast and reliable thread rolling machine for the wire nails industry.

The new Enkoroll is also equipped with the latest generation software platform from Enkotec. Enkosmart provides remote access and control for fast- track support. With supplementary features such as user registration and event logging, Enkosmart provides tools to quickly react to errors and to carry out corrective actions. An intuitive interface for control and set-up facilitates the easy operation of the machinery and provides quick access to the features. The methodology of the development of Enkoroll with Enkosmart was to create a product that combines speed, flexibility, easy operation and quality output, merged into a digital framework to ensure maximum productivity for nail manufacturers. Enkotec A/S www.enkotec.com

The Enkoroll TR01, launched in late- 2020, is designed to ensure that the production speed of thread rolling does not cause a bottleneck, whether in an in-line or batch mode set-up. With an output speed of up to 3,000 nails per minute, the Enkoroll is claimed to be equal to superior quality and consistently threaded wire nails, thanks to a highly rigid structure. The mechanical set-up and insertion mechanism allow fast and easy conversion from ring to screw shank, providing production flexibility. An Enkotec feeder bowl, laser-cut for a smooth surface, ensures a stable and continuous flow of nails, assisted by a vibration-monitoring stabilisation

▲ Enkotec’s Enkoroll

feature, allowing maximum uptime by avoiding unnecessary stops. An optional automated lubrication system supports reduced labour intensity by ensuring correct and timely mainte- nance of the main bearing.

Single- and dual-plate addition to spring end grinding series Wafios has launched the G660 single- and dual-plate spring end grinding machine, completing the G450 series first introduced in 2017.

The G660 is equipped with grinding wheels of 660mm diameter and loading plates of 740mm diameter that allow a smooth grinding of spring ends of up to 13mm wire diameter. As with the company’s other machines, the G660 is installed with the latest Wafios WPS EasyWay 3.2 control program, which is easy to use and offers a high level of operational safety. The control system is ready for operation in future Industry 4.0 applications, such as predictive maintenance or smart machine. Features of the G450 machine have also been adopted and refined, includ- ing iQtemperature. This allows the in-process measurement of the workpieces’ temperature, which can then be controlled in accordance with process instruc- tions. This increases production rates while also ensuring quality standards. The machines also include the Wafios particulate deflector, a special coating of the extraction channel that reduces soiling, grinding deposit and other dirt to a minimum, for reduced maintenance. The automatic generation of a basic spring end grinding program on the basis of entered spring data makes it possible to start production quickly and to process even small batch sizes. A newly developed modular loading system optimises the spring end grinding process for batch sizes from 5,000 springs. Wafios AG www.wafios.com

▲ The new G660 single- and dual-plate spring end grinding machine from Wafios

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January 2021