#Spinning

2020-03-19

RoTac³ tangling unit with comprehensive modifications

Major technological changes to Oerlikon Neumag’s RoTac³ tangling unit produce even more efficient BCF yarn tangling. On the one hand, the tangling nozzle has been flow-optimized, allowing the air pressure to be lowered by approximately 10 percent compared to its predecessor, while maintaining the same knot strength. Furthermore, the nozzle bearing arrangements have been improved. Consequently, either higher speeds or nozzle rings with greater numbers of holes can be used, generating more knots in the yarn.

Efficient BCF yarn tangling

Even at high production speeds, tangling knots can be set considerably more evenly with the RoTac³ than in the case of other conventional tangling units. Frequent tangling dropouts are now a thing of the past. This ensures better yarn quality and has a positive impact on further processing. The result: the carpet has a visibly more even appearance.

Stable and efficient yarn production is hugely important to yarn manufacturers. Not only does the evenness of the tangling knots make the investment interesting, so too does the energy efficiency of the RoTac3. The tangling unit requires up to 50 percent less energy for generating compressed air. Against the background of rising energy prices, this represents an excellent prerequisite for optimizing production costs.

Oerlikon Neumag has been able to secure various retrofit contracts since the launch of the RoTac3 in 2015. And new systems are predominantly equipped with RoTac³. The RoTac³ is included in the standard scope of delivery for the newer BCF S8 system. The tangling unit is available as an option both for the single-end Sytec One system and the three-end S+ and it can also be retrofitted on request.

Even more efficient and economical – the modified RoTac³ is part of the BCF S8’s standard scope of delivery (c) 2020 Oerlikon

Barmag showcases pump solutions for demanding PU applications at PU China 2026

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Barmag presents metering pump solutions at ASE China

From September 15 to 17, 2026, Barmag’s Pumps Division will present its solutions for the precise delivery and metering of adhesives, sealants, and other high-viscosity media at ASE China at the Shanghai New International Expo Centre. The focus of the exhibition will be on high-precision gear metering pumps that help plant managers sustainably optimize material usage, process stability, and product quality. (Booth E4235).

Trützschler to showcase innovations in spinning preparation and nonwovens at ITMA Asia 2026

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Mahlo introduces AI-supported Orthopac RVMC-20 plus at ITMA Asia 2026

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STFI showcases new Textile LAB Professional with focus on climate protection and sustainable technologies

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