Last week, a few of us took our diamond and CBN wheels to Stuttgart for GrindingHub 2026. Between May 8 and 10, we did what you do at a good trade fair: drank too much coffee, stood on concrete floors a little too long, and had more genuine, interesting conversations about grinding than you could ever get over email.

One thing became clear before the first day was over: the visitors we met weren't just from the usual tool-grinding or roll-shop crowd. We talked with people making automotive engine components, ceramic seals, bearing rings, aerospace turbine parts, glass facades, engineered stone surfaces, wire-drawing dies and a dozen other things. Superabrasives have quietly moved from "special cases" to everyday solutions in almost every industry that grinds hard materials.

The conversations we kept having

A booth gives you a unique kind of honesty. Someone walks up, picks up a wheel, runs a thumb across the surface, and asks something like: "Will this actually stay sharp on my material?" Out comes a phone, a photo of burned edges, or a part that chipped during the last grinding step. There’s no script for that. You just dig into the problem together.

A handful of themes kept coming back, regardless of what industry the person was from.

"I don't want the cheapest wheel. I want the lowest cost per part."
Grinding shops have moved on. Whether they make hydraulic spools, carbide inserts or granite countertops, they are running the same calculation: cycle time, dress interval, wheel changes and scrap. The wheel price is one small line in that equation. We started saying this to customers five or six years ago and had to explain it. Now at GrindingHub, they were explaining it to us. That is a real shift and a very healthy one.

"The materials we see today are nothing like ten years ago."
Advanced ceramics. Reinforced glass. Harder coating layers. Sintered stones that eat conventional abrasives in minutes. This came up in conversations with people from aerospace, medical-device machining, even kitchen-surface fabrication. They all had one thing in common: the material they grind today makes their old aluminium oxide or silicon carbide wheels look obsolete. Diamond and CBN aren't luxury upgrades anymore — they're often the only thing that actually works.

"I need a bond that fits my exact job."
One visitor from the glass industry wanted a fine-grit metal bond for clean edge finishing. A bearing manufacturer needed vitrified CBN for internal grinding with tight size control. A ceramic component maker needed a diamond wheel that wouldn't chip thin-walled parts. No one asked for the “standard” wheel. They all wanted something tuned to their specific material and machine. That suits us fine, because that is how we work anyway.

"Resharpening is bigger than you think — and it's spreading."
It’s not just PCD and PCBN tools anymore. We talked with companies refurbishing ceramic forming dies, diamond wire guides, stone-cutting segments, and even specialized pump components. As material costs rise, more shops are asking: can I salvage this instead of replacing it? And in most cases, the answer is yes — if you have the right diamond or CBN wheel and the right advice.

"Automation leaves no room for a wheel that drifts."
High-volume lines — automotive valve grinding, wafer slicing, bearing production — run with almost no manual intervention. The wheel has to behave the same way at the end of its life as it did on day one. Questions about life consistency, predictable dress intervals, and minimal profile drift came up across almost every industry we talked to.

What we brought home

We didn’t come back with a stack of business cards and a vague feeling of "nice show." We came back with a much sharper picture of what’s changing across the whole grinding world. Materials are harder. Tolerances are tighter. Cost pressure is real. But the people we met weren’t frustrated — they were curious. They wanted to try things, compare notes, find a better way. That energy is exactly why we stay in this business.

We also came back grateful. For the engineers who spent half an hour at our stand working through a problem. For the visitors who brought actual parts in their pockets. For the honesty, the tough questions and the shared enthusiasm for getting grinding just right.

If we didn't meet you at the show

No problem at all. The same conversations don't need a booth. If you’re grinding something hard — automotive gears, aerospace alloys, carbide tools, ceramic seals, glass edges, granite slabs, whatever it is — and you think your wheel, your cycle time or your surface finish could be better, just reach out.

There is no sales script, no pressure and no cost for a chat. Tell us your material, your machine and what's bothering you right now. We'll take it from there, exactly the way we did at the show: with honest questions, real experience, and a wheel recommendation that fits your specific process.

Until the next grinding show, let's keep the conversation going — one grinding problem at a time.