#Spinning

2012-03-09

Rieter: Improved package build with anti-patterning control

Frequency-controlled, motor-driven anti-patterning - the APC (Anti-Patterning Control) upgrade package for rotor spinning machines optimizes package build. The conversion kit is available for R 1, R 20 and R 40 (Version 1 to 3) rotor spinning machines.

Higher draw-off speeds in weaving and knitting make optimal package build increasingly important. Preventing pattern winding results in improved take-off behavior in downstream processing. Electronic anti-patterning such as that in use since the R 40 rotor spinning machine (Version 4), has demonstrated its outstanding qualities in the field. Customers with R 1, R 20 and R 40 (Version 1 to 3) rotor spinning machines can now also benefit from this innovation. The APC (Anti-Patterning Control) upgrade package has been developed for this purpose. The mechanical regulating wheel has been replaced here by a frequency-controlled, motor-powered anti-patterning.

Maintenance-friendly design

In addition to the mechanical regulating wheel, other parts susceptible to wear - such as the special belt and the mechanical anti-patterning gear - are also dispensed with in the new system. This reduces maintenance effort. The new system completely eliminates the cost of purchasing or replacing these mechanical parts.

Optimal and variable anti-patterning

Perfect package build is the result of optimal anti-patterning. This prevents first-order pattern winding (1:1 pattern winding) and uncontrolled package winding. A separate motor with an electronic random-check generator ensures optimal anti-patterning. The rotation speed of the traversing gear can be finely controlled. The independent, motor-powered drive of the traversing gear also reduces the load on the winding cylinder drive.

Anti-Patterning Control upgrade package in the headstock.

The rotation speed of the winding cylinder shaft is picked up by a motion sensor (initiator). The necessary rotation speed for the motor is calculated by the controller and transmitted to the inverter. The motor speed at power take-off is then checked and regulated. Thus processed, these measured signals permit very accurate regulation and thus faultless anti-patterning. Two optional settings on the controller enable anti-patterning intensity to be variably adjusted, usefully and very easily. These two adjustment options depend on the delivery speed and the yarn properties (pronounced snarling tendency, high elongation or other unusual properties). The angle of intersection is still adjusted by means of change gears.

Inverter and controller for the APC upgrade package.

Higher productivity, longer service life

Technical and technological developments in rotor spinning continue to make progress. The APC upgrade package also modernizes older machines to the latest state of the art. Improved package quality without ribbon formation, reduced maintenance effort and longer service life of the pattern breaker make investment in this upgrade package a worthwile proposition.

Rieter at ITM 2026: Spinning Redefined with Automation and Intelligence

Spinning mills need solutions that deliver stability, efficiency and future-proof performance. Rieter has put together a powerful portfolio for ITM 2026 in Istanbul, Türkiye. These innovations give customers the tools to enhance cost efficiency, improve responsiveness and actively develop their competitive edge. Step-by-step, Rieter is moving closer to its Vision 2027 – the fully automated spinning mill. With each new technology, Rieter enables spinning mills worldwide to operate with greater precision and reliability, ensuring they remain at the forefront of an increasingly demanding global market.

Rieter Annual General Meeting 2026: Shareholders approve all board proposals

At the Annual General Meeting of Rieter Holding Ltd. held on April 16, 2026, 342 shareholders representing 64.0% of the share capital approved all motions proposed by the Board of Directors. The shareholders adopted the Annual Report as well as the Financial Statements and Consolidated Financial Statements for 2025. They also granted discharge to the members of the Board of Directors and the Group Executive Committee for their activities in the reporting year. In an advisory vote, the 2025 Report on Non-Financial Matters was also approved.

Rieter advances strategic repositioning amid market volatility

Rieter successfully completed the acquisition of Barmag on February 2, 2026, and reached an important milestone in the company’s repositioning. Barmag will be integrated into the Rieter Group as the “Man-Made Fiber” Division. With this strategically transformative acquisition, Rieter is expanding its core business beyond the short-staple fiber business in a targeted way. This positions Rieter as the global market leader along the entire value chain for natural and man-made fibers. In addition, as a complete systems supplier, Rieter is further strengthening its technological leadership in the areas of automation and digitization.

Rieter responds to higher raw material prices

Global political and economic developments have been leading to rising raw material and energy costs for some time. The textile machinery industry is also affected by this trend. Rieter machines and components consist to a large extent of steel, copper, aluminum and electronics. These materials in particular have seen higher demand and higher prices in recent months.

Barmag and Hitech Automation enter into partnership for an auto-doff system for texturing machines

Barmag (Suzhou) Technology Co., Ltd. and Hitech Automation Solutions PVT LTD. of Surat, India, have agreed to an exclusive partnership to jointly market Hitech’s Doffmatic automation solution for Barmag’s proven manual eFK texturing machines. In many texturing facilities, manual doffing processes remain heavily operator-dependent – resulting in issues such as increased scrap, inconsistent quality, and limited productivity.

Uster’s new Recycling Opening Index guides spinners to the perfect blend

Uster AFIS 6 now offers the key data for better decisions when blending recycled fibers. Process control is decisive in determining the quality and economic outcome. The new R Recycling Module of AFIS 6 introduces the Recycling Opening Index (ROI), so spinners can optimize their circularity credentials. It was officially launched at ITM 2026 in Istanbul, Türkiye.

Nico Pedretti appointed as Managing Director Graf Group

As of June 1, 2026, Nico Pedretti has assumed the role of Managing Director Graf Group. With more than 20 years of international industrial experience and extensive expertise in Operations, Supply Chain Management, Finance and Controlling, he brings a broad range of leadership and business experience to support Graf’s continued success.

DYNEEMA® and NP Aerospace advance personal protection for military servicewomen

Dyneema®, owned by Avient Corporation, an innovator of materials solutions, is supplying its high-performance unidirectional (UD) materials to world-leading armor manufacturer NP Aerospace, enabling the production of armor systems designed specifically to fit the female body. With 2,000 new armor systems, including 4,000 plates, made in the United Kingdom (UK) and delivered in June 2026, this collaboration addresses a long-standing lack of high-quality personal protection specially built for female defense and security personnel.

Textile Exchange publishes comprehensive polyester LCA study

Textile Exchange has released a new Life Cycle Assessment (LCA) study on polyester, providing detailed data on the environmental impacts of both virgin and recycled polyester production. The study aims to strengthen understanding across the fashion, textile and apparel industries and support more informed decision-making regarding polyester sourcing and production.