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Machines

Debunking Myths About Cylindrical Grinding

by bduquesnel 27. May 2025

When it comes to cylindrical grinding, there’s no shortage of strong options – and a few persistent myths. At its core, cylindrical grinding is one of the most precise and consistent methods of finishing round parts. Yet, many manufacturers hesitate to explore it further, often due to outdated assumptions or misconceptions. Let’s take a closer look at some of the most common myths and why they don’t hold up today – especially with machines like EMAG’s WPG 7 on the market.

 

“CNC is Always better Than Manual Grinding”

 There’s no doubt that CNC grinding brings repeatability and automation to the table – but that doesn’t mean manual grinding is obsolete. In fact, experienced machinists can often achieve impressive results with manual machines, especially for low-volume work or one-off components that demand hands-on finesse. Manual grinding offers flexibility and tactile control that some applications still require.

The real takeaway? It’s not about choosing between CNC or manual – it’s about having the right tool for the job. A machine like the WPG 7 is built with this in mind: while fully CNC-controlled, it’s designed to offer easy operator access and intuitive setup, making it ideal for both seasoned manual grinders and shops ready to transition to more automated processes.

 

“Automation is Only for High Volume”

 This myth is especially common in small to mid-sized shops, where automation is often seen as costly or overkill. But with today’s modular grinding platforms, automation isn’t an all-or-nothing commitment. It can start with something simple as programmable workholding or automated part loading.

The WPG 7 is a prime example – it’s and OD cylindrical grinding machine that can be equipped with automation options, but it also performs great as a stand-alone unit. Shops can start manual and scale up when the workflow demands it. In many cases, even limited automation can significantly reduce cycle times and free up skilled labor for more critical tasks.

The WPG 7 cylindrical grinding machine offers modular automation options – from simple loading to full robotic integration – ideal for growing shops.

The WPG 7 cylindrical grinding machine offers modular automation options – from simple loading to full robotic integration – ideal for growing shops.

 

“Grinding Machines Take Too Long to Set Up”

 While it’s true that traditional grinding setups could be time-consuming, modern cylindrical grinding technology has come a long way. Machines like the WPG 7 are engineered for fast changeovers, with a compact footprint and intelligent controls that make setup more intuitive than ever.

Thanks to features like quick-change tooling, user-friendly interfaces and minimal mechanical adjustments, shops can move from part to part without excessive downtime. For job shops or OEMs that handle multiple part families, this can mean the difference between a profitable run and wasted hours.

The WPG 7 grinding machine features a large front door, supporting fast changeovers and intuitive operator access.

The WPG 7 grinding machine features a large front door, supporting fast changeovers and intuitive operator access.

 

Clearing the Air – and Grinding Smarter

 Cylindrical grinding doesn’t have to be intimidating, expensive or inefficient. By challenging outdated assumptions, manufacturers can unlock new efficiencies and capabilities – whether they’re producing hundreds of parts or just a handful.

The bottom line? The right grinding machine doesn’t just cut – it fits. And with machines like the WPG 7 offering a blend of flexibility, automation-readiness and quick setup, there’s never been a better time to rethink what cylindrical grinding can do for your shop.

The WPG 7 delivers a modern approach to cylindrical grinding, combining flexibility, speed and automation-readiness in one machine.

WPG 7 cylindrical grinding machine designed for flexible, efficient machining – ideal for both small batches and high-mix production.

 

Visit our website for more information about the WPG 7 and cylindrical grinding processes.

27. May 2025 0 comments
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Machines

Retrofit makes aging grinding machines fit for the future

by Oliver Hagenlocher 8. April 2025

Modern production systems are a key factor for the competitiveness of manufacturing companies. For high-quality cylindrical grinding machines, a comprehensive modernization of existing systems can be an economically interesting alternative to purchasing new equipment. CNC-Technik Weiss GmbH, part of the EMAG Group since 2019, specializes in retrofitting Karstens cylindrical grinding machines. The Neckartailfingen–based company has decades of experience in overhauling and modernizing these precision machines. In an interview with Andreas Holstein, Plant Manager at EMAG Weiss, we were able to talk about the technical possibilities and economic aspects of retrofitting. 

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8. April 2025 0 comments
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Machines

Cylindrical grinding rethought: W 11-EVO combines manual expertise with digital precision

by Oliver Hagenlocher 13. March 2025

“The combination of manual operation and automated functions allows operators to make the most of their experience while benefiting from the precision of the control system,” explains Andreas Hessling, Technical Sales Manager at EMAG Weiss, in an interview. The hydraulic-free W 11-EVO cylindrical grinding machine addresses key customer requirements: minimized energy costs thanks to servo-electric axes, highest precision thanks to scraped V-flat guides and an intuitive touch control for quick machine settings. The sophisticated operating concept shows its strengths particularly in the economical production of prototypes and individual parts. The operator retains direct control over the sanding process thanks to handwheels, while the servo-controlled axes ensure precision positioning and reproducible results. 

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13. March 2025 0 comments
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MachinesTechnologies

Interview with Jannik Röttger: Grinding coated brake discs with the VLC 450 DG

by Oliver Hagenlocher 24. February 2025

The automotive industry is facing a major challenge: the Euro 7 standard stipulates strict limits for particulate matter emissions. Cars will then only be allowed to emit around three milligrams of particulate matter per kilometer – a drastic reduction compared to today’s values of up to 40 milligrams. To achieve these ambitious targets, car manufacturers are increasingly relying on innovative technologies such as coated brake discs.
Laser cladding is a promising process for manufacturing these ultra-modern brake discs. In this application, a special material powder made of stainless steel and hard carbide is welded onto the surface of the brake disc using a laser. The result is brake systems that not only drastically reduce particulate emissions, but also minimize wear and prevent corrosion.
However, the design and development of this new coating technology also creates new challenges in post-processing. With the VLC 450 DG grinding machine, EMAG offers a specialized solution for the machining of these high-tech brake discs. 
We spoke with Jannik Röttger, Head of Grinding Technology at EMAG, about this innovative technology and EMAG’s response to the challenges of the Euro 7 standard. 

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24. February 2025 0 comments
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