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We create the optimal grinding machine for your grinding tasks

precise - universal - economical - since 1883

WOTAN® grinding machines - maximum precision for your products

Internal grinding

Up to 4 versch. Spindles + tailstock, option. Tool changer and div. Dressers: even bores up to 1,200mm and workpieces >1 ton can be machined.

External grinding

A continuously adjustable rotary table, up to 4 customer-specific grinding wheels, various dressers as well as balancing and starting systems ensure flexibility.

Polygon loops

Eccentric holes, grooves in flat surfaces, non-circular grinding, polygon grinding, polygon grinding? No problem with our innovative machines and WoP software.

Form & surface grinding

Grind ball molds, rolling bearing raceways and much more! WOTAN® grinding machines cope with this as well due to various possibilities of axis interpolation.

Thread cutting

Internal thread, external thread, grinding or cutting? With our machines almost every thread form can be realized with highest accuracy.


Drilling, reaming, boring, countersinking and even milling: if necessary, do it all in one set-up with the 5x or 52/72x tool changers on the S3 or S6.


Fixed or rotating, stand-alone, in combination or completely individual - with the dressing options of our machines you can grind permanently with maximum accuracy.

Trade fairs

Perform longitudinal measurement, measure from zero point, position or C-axis measurement, inside diameter measurement and more. with optionally integrable measuring systems.

Universal grinding machines from Glauchau - successful in all markets


The NSH Group is the market leader in wheelset machining for rail vehicles. Special solutions of our WOTAN® grinding machines are used for this purpose. NSH Group is the only provider to offer workshop and mobile turnkey solutions for their manufacture and repair.

Aircraft & Space

For decades, our machines have met the exceptionally high requirements for the production of aerospace parts, including complete machining in one clamping. WOTAN® universal grinding machines allow grinding of particularly heavy components and especially deep bores with micrometer precision.

Automotive & Truck

WOTAN® grinding machines combine high efficiency and maximum precision. Individually configured to your requirements, they combine uncompromising quality 'Made in Germany' with an attractive cost structure. They are made even more effective by their ability to integrate seamlessly with existing control systems and automation.

Mechanical Engineering

WOTAN® machines for internal cylindrical grinding, external cylindrical grinding and universal grinding are so precise that machine components with maximum concentricity requirements such as spindles for machine tools are manufactured on them, made possible by various clamping systems, machining in one clamping and integrated measuring systems.

WEMA Glauchau - Innovation and experience in cylindrical grinding machines

Optimal for your requirements

Each machine is designed and manufactured exactly for your specific application!

Quality -
made in Germany

Our machines are designed and manufactured by our experienced team at our headquarters in Glauchau.

Economical and stable in value

Our machines are easy on your budget thanks to their high efficiency and ease of operation.

Experience and reliability

through more than 10,000 grinding machines delivered worldwide and as part of the international NSH Group.

Next fair:

Intec March 7 - 10 - Leipzig -  
Visit us in Leipzig and get to know our new machines.

News from Glauchau:

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Next fair:

News from Glauchau:

Watch on 23.9. behind the scenes for the late shift

On September 23, 2022, WEMA will open its doors to interested visitors for the 'Late Shift'. Guided tours will give visitors interesting insights into the world of modern, innovative mechanical engineering with a focus on grinding and machines for grinding processing. A look into the eventful history of WEMA and its predecessor companies - such as the legendary WOTAN and Zimmermann AG - is provided by our factory exhibition. We also inform interested parties about our employment and training opportunities.
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We’re taking off – welcome to 2022!

WEMA Glauchau starts the new year with innovations throughout its portfolio. We offer you the optimal solution for all your grinding tasks - whether in external cylindrical grinding, internal cylindrical grinding or complete machining on our universal grinding machines. But we don't just have a lot of new things to show in terms of hardware - our machines are also optimally prepared for digitalization. With machine fingerprinting, smart service and remote monitoring, we optimize process integration, offer exactly the right service for the specific usage profile of each WOTAN® machine and thus raise precision, service life and cost-effectiveness to a new level. Please feel free to visit us in Glauchau or at the GRINDING HUB in Stuttgart.
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Innovative - Strong - Worldwide Presence - we are a Member of the NSH Group