Tangential Rolling Head Thread production: rolling is the process of choice

Editor: Alexander Stark

With the EVO line tangential rolling head, LMT Tools offers a tool solution for the reliable and economical production of threads.

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With the EVO line tangential rolling head, LMT Tools offers a high-performance, process-safe, user-friendly and future-proof solution for tool production.
With the EVO line tangential rolling head, LMT Tools offers a high-performance, process-safe, user-friendly and future-proof solution for tool production.
(Source: LMT Tools)

Switch to a new generation of tools or stick to the tried and tested existing system? When a manufacturer of fasteners was faced with this question due to an expansion of production, they decided to update and switch to the EVO line generation of tangential rolling heads from LMT Tools. The customer was particularly convinced by the improved tool handling. The solution enables faster, easier and more error-free roll changes thanks to defined installation positions, simple and precise fine adjustment of the roll diameter via a central adjustment spindle, and tool-free installation and removal using quick-release bolts. These features ensure that the entire production process is faster, leaner and more cost-effective.

Stefan Möller, product manager for rolling systems at LMT Tools, explains: "In the usually large-volume production of threads, two points are particularly important: Performance and economy. Rolling is therefore the process of choice in most cases, because it offers many advantages over machining, such as short production times, high thread strength, constant dimensional accuracy, excellent surface quality and long tool life." In rolling, the material is permanently formed by pressure beyond the elastic limit. In the process, the material fibres are not cut - as in machining - but only displaced. This has a positive effect on the quality, performance, economy and process reliability of the machining.

The EVO line tangential rolling head is manufactured by 3D printing technology. Additive manufacturing enables topology optimisations that were previously impracticable, resulting in a significant increase in breaking strength. This also makes the EVO line suitable for future applications, for example high-strength materials. The new generation of rolling heads also proves its future viability with the future option for process monitoring and connection to the Smart Factory. By means of sensors and force measurement, the load on the tool during the rolling process can be monitored and wear detected at an early stage. This guarantees high component quality with minimal scrap rates and makes tool changes plannable.

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