{"id":11371,"date":"2026-02-06T07:23:48","date_gmt":"2026-02-06T06:23:48","guid":{"rendered":"https:\/\/www.inometa.de\/?page_id=11371"},"modified":"2026-02-11T12:58:42","modified_gmt":"2026-02-11T11:58:42","slug":"draw-rollers-in-battery-manufacturing","status":"publish","type":"page","link":"https:\/\/www.inometa.de\/en\/draw-rollers-in-battery-manufacturing\/","title":{"rendered":"Draw rollers in battery manufacturing"},"content":{"rendered":"
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Tension and draw rollers as a functional unit in battery and battery foil processes<\/h2>\n\n\n\n

Battery and battery foil production is characterized by a large number of coordinated process steps in which sensitive substrates are processed under defined web tensions. Tension and draw rollers perform a central mechanical function in these processes: they enable the targeted guidance and adjustment of the web tension at points where material properties, process stability, and further processability depend directly on the tension level.
Particularly when processing separator films and thinly coated electrode webs, very low web tensions are not the exception, but rather the basis of the process. Deviations in tension behavior have a direct impact on the flatness, layer quality, and mechanical integrity of the web. Tension and draw rollers are therefore used specifically where the web tension must be actively adjusted and kept stable over defined process sections.<\/p>\n\n\n\n

Get in touch with the INOMETA sales team today for comprehensive advice on rollers for battery production and other innovative products from the renowned manufacturer based in Germany. Make your inquiry now.<\/a><\/p>\n\n\t<\/div>\n\n<\/div>\n\n\n\n

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Positioning of tension and draw rollers within the battery process chain<\/h2>\n\n\n\n

Tension and draw rollers are used in battery and battery foil production across several consecutive process stages. Their task is to maintain stable web tension over defined distances and to control transitions between individual process modules.
Typical applications are in substrate and electrode production before and after coating and drying processes, at interfaces between plant components, and before downstream calendering or winding processes. In these areas, tension and draw rollers help to limit mechanical influences from upstream process steps and ensure uniform web tension conditions for further processing.
In continuous production lines in particular, they enable stable guidance of sensitive electrode and separator films across several process stages, thus supporting reproducible conditions along the entire production chain.<\/p>\n\n\t<\/div>\n\n<\/div>\n\n\n

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Constant web guidance under thermal stress \u2013 coating and drying processes<\/h3>\n\n\n\n

In electrode manufacturing, draw rollers are used before and after coating and drying stages to guide the web tension under thermal and mechanical stress in a targeted manner and to adjust it stably. Coated electrode webs are particularly sensitive to tension fluctuations in these process steps, as even slight deviations can have an immediate effect on layer thickness, homogeneity, and adhesion.
INOMETA draw rollers<\/a> are designed to meet these requirements: low mass moment of inertia, low starting torques, and high rigidity enable sensitive web tension control even under temperature-influenced material conditions. The precise surface geometry supports reproducible process conditions throughout entire coating and drying cycles.<\/p>\n\n\t<\/div>\n\n\n\n

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Targeted adjustment of web tension \u2013 transitions to calendering processes<\/h3>\n\n\n\n

At the transitions between drying and calendering, the tension roller plays a central role in adjusting the web tension level. The aim is to transfer electrode webs into the calendering process with low tension, evenly and without local tension peaks.
The design of the tension roller \u2013 in particular its rigidity, concentricity, and surface finish \u2013 has a significant influence on the stability of the web path. Controlled web tension adjustment upstream of the calender prevents uneven compaction, material distortion, or local overstressing, which has a direct impact on the quality and reproducibility of the electrode properties.<\/p>\n\n\t<\/div>\n\n\n\n

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Stable tensile force over long track sections \u2013 winding, rewinding, and further processing<\/h3>\n\n\n\n

In winding, rewinding, and downstream processing, web tension has a significant impact on the winding pattern and length stability of sensitive electrode and separator films. Tension and draw rollers are used to ensure uniform tension throughout the entire winding process \u2013 even with changing winding diameters and long web sections.
Stable web tension control reduces the risk of wrinkling, misalignment, or local overstretching and helps to produce a reproducible winding pattern. This is particularly important for subsequent process steps where dimensional accuracy, flatness, and material integrity of the wound webs are crucial.
Thanks to their low weight, high dimensional stability, and defined surface quality, tension rollers made of aluminium, CFRP, or GRP support uniform force transmission to the material web and ensure process capability in further processing.<\/p>\n\n\t<\/div>\n\n\n\n

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Design for very low web tension in battery and battery foil production<\/h2>\n\n\n\n

In battery and battery foil manufacturing, tension levels are often very low. The design of tension and draw rollers must take these requirements into account. INOMETA is one of the manufacturers that not only mechanically reproduces such low web tensions, but can also detect and adjust them specifically. Tension and draw rollers, sensor technology, and structural design are tailored to the specific requirements of these low tension ranges and combined in a process-specific manner.
Draw rollers made of CFRP, GRP, and aluminium from INOMETA are designed for these applications. Low weight, high rigidity, and low mass moment of inertia support dynamic behavior in web tension control. Low starting torques and maintenance-free bearing concepts enable sensitive adjustment of the web tension without placing additional strain on the material web. At the same time, vibrations are reduced and unwanted web deformations are limited.<\/p>\n\n\t<\/div>\n\n\n\n

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Design of mechanical web tension components for battery applications<\/h2>\n\n\n\n

The selection of material, geometry, and surface finish for clamping and tension rollers is always dependent on the process. CFRP and GRP tension rollers offer high rigidity with low weight and good damping properties, while aluminium tension rollers impress with their high dimensional accuracy and robust design. Different diameters, lengths, and designs with axles, axle journals, or shaft journals allow for precise integration into existing plant concepts.
The surface finish influences the friction behavior between the roller and the material web and is therefore an essential parameter for web guidance. Depending on the application, smooth or structured surfaces are used. In addition, PROTEK\u00ae<\/sup><\/a> composite<\/a>, ceramic<\/a>, hardmetal<\/a>, or non-stick coatings<\/a> as well as elastic plastic coatings are available to adapt the coefficient of friction, wear behavior, and cleanability to the requirements of electrode and separator films.<\/p>\n\n\t<\/div>\n\n<\/div>\n\n\n

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INOMETA is your partner for draw rolls in battery and battery foil manufacturing<\/h3>\n\n\n\n

Tension and draw rollers are part of integrated roll solutions for battery and battery foil production. Their function complements web-guiding, thermally effective, and measuring roll types with the mechanical component for stable guidance of sensitive material webs under defined tension conditions.
In combination with roller solutions for battery manufacturing and specifically designed rollers for battery foil manufacturing, process-specific overall concepts are created. Mechanical design, surface functionality, temperature control, and web tension control are considered together and tailored to the respective process requirements. In addition, sensor solutions and web tension-optimized roll profiles support the structural design of sensitive web sections.<\/p>\n\n\n\n

Contact our sales team today to learn more about roller solutions from roller manufacturer INOMETA in Germany. Together, we will analyze your requirements and develop an application-specific roller solution tailored to your material, process, and plant concept. Contact us now.<\/a><\/p>\n\n\t<\/div>\n\n<\/div>\n\n\n\n

\n","protected":false},"excerpt":{"rendered":"

Battery and battery foil production is characterized by a large number of coordinated process steps in which sensitive substrates are processed under defined web tensions. Tension and draw rollers perform a central mechanical function in these processes: they enable the targeted guidance and adjustment of the web tension at points where material properties, process stability,…<\/p>\n read more<\/a>","protected":false},"author":1,"featured_media":6899,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-11371","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nDraw rollers in battery manufacturing | INOMETA<\/title>\n<meta name=\"description\" content=\"INOMETA is your partner for draw rollers in battery production and other innovative roller solutions \u2713 Roller manufacturer for over 40 years\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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