Grinding stainless steel, high-alloy steels and other hard-to-grind materials can challenge both abrasive life and productivity. As fabrication demands increase, manufacturers need abrasives that can maintain a fast cut, control heat and deliver consistent performance without requiring excessive operator pressure.
Precision-shaped ceramic grain is designed to help meet those demands. Its self-sharpening structure continually exposes new cutting edges as the grain wears, helping resin fiber discs maintain cutting efficiency throughout their usable life.
In this article, you'll learn:
- How precision-shaped ceramic grain maintains a sharp cutting edge during grinding
- Why grain retention can improve resin fiber disc life and performance
- When to use top-coated versus uncoated ceramic resin fiber discs
- How faster, cooler grinding can reduce operator effort and costly changeovers
- Where ceramic resin fiber discs can improve heavy weld and material removal
| Precision-shaped grain discs, like Tiger 3D MAX ceramic, work best on harder materials, such as this welded stainless steel bracket. |
Tiger 3D MAX ceramic resin fiber discs can improve grinding performance on carbon steel, but they work best on harder materials such as stainless steel and other high-alloy steels, Inconel, and titanium. The discs are designed for industries such as general heavy metal fabrication and industries that require multi-pass welding, such as shipbuilding, oil and gas, tank and pressure vessels, and heavy equipment fabrication.
Ceramic grains feature thousands of fracture points that break down, extending their life. This unique structure allows the grains to self-sharpen, exposing new, sharp cutting edges as they wear, maintaining sharpness and efficiency. However, traditional ceramic grains can become too dull to fracture, leading to faster wear and poor life.
“With the 3D MAX discs, the triangular-shaped grain has many more micro-fracture points than a traditional ceramic grain," says Jay Owings, district sales manager, Weiler Abrasives. “It has the ability to sharpen itself even more than a typical ceramic grain, so it lasts longer and cuts faster – and is phenomenal for the customer.”
The innovative resin fiber discs feature not only precision-shaped ceramic grains but also improved grain retention.
| Tiger 3D MAX ceramic resin fiber discs are for general heavy metal fabrication and industries that require multi-pass welding such as shipbuilding, oil and gas, tank and pressure vessels, and heavy equipment fabrication. |
It really comes down to grain retention, he adds.
“If you’re paying the money for a precision-shaped grain, you want it to stay on the disc as long as possible,” Owings says. “Our discs provide higher grain retention so you’re able to use the ceramic grain all the way down instead of it falling off.”
The ceramic resin fiber discs are available with or without a topcoat. The uncoated option is best-suited for carbon steels, while the topcoat version is for stainless steel and other hard materials.
“The topcoat is an extra layer that helps prevent overheating so the ceramic grains last longer for harder materials,” Owings says.
| Disc | Best suited for |
|---|---|
| Uncoated ceramic | Carbon steel and general steel/metal grinding |
| Top-coated ceramic | Stainless steel and other hard-to-grind metals where cooler grinding helps reduce heat damage and discoloration |
Additionally, the discs help protect parts from heat damage and discoloration, which shows up in harder materials like stainless steel.
“Discoloration can happen if you’re pushing really hard on the weld or the part and the disc isn’t able to cut what you need it to cut,” Owings says. “You create a whole bunch of heat that is transferred to the part and creates colorization. With the ability of the 3D MAX discs to cut so fast, not much heat goes into the part.”
More efficient grinding also reduces operator fatigue. Because the ceramic grains continue to fracture and sharpen themselves, the operator does not have to push hard to keep the disc sharp and cutting. And because the sharp points are always sticking out, loading on the disc is reduced, whether working on stainless steel, high-alloy steels, or other hard materials. This provides superior durability and fewer changeovers.
| Tiger 3D MAX ceramic resin fiber disc grinding a weld on a roller coaster beam. |
The ceramic resin fiber disc is also good for welding applications compared to a typical grinding wheel because it does not create gouging issues.
“A great example of an application is a customer that puts roller coaster frames together, including big I-beams,” Owings says. “The welds must be super flat so the coaster wheels can roll over them. With the resin fiber disc, you can’t easily gouge the workpieces that are welded together. You can just grind down that weld to the face you need it to be without ruining the rest of the material.”
Optimizing both the new ceramic grain and improving grain retention, the discs offer customers abrasives with longer life, especially on harder materials, with higher cutting efficiency.
“Essentially, if you’re trying to remove material at a high rate of speed with a precision grind, the 3D MAX disc is going to perform substantially better,” Owings says. “It’s going to last longer, so you aren’t spending as much money. You cut the time spent fabbing the job, so labor savings really go up, and you reduce downtime for operators.”
| Heavy material removal is the perfect use for the Tiger 3D MAX disc, such as removing large welds. |
“At Weiler, we like to do a site visit with the customer and see their applications and then make recommendations,” Owings says. “For example, if they’re using a grinding wheel and we think another abrasive is going to be better for them, we’ll do testing on-site and then present the results for what they’re using now and what we think would be better for them.
Real-World Results
See how Tiger 3D MAX helped a metal fabricator increase material removal while reducing abrasive costs and contributing to more than $53,000 in annual savings.
“It’s really a teaching moment,” he concludes. “We know they’ve been doing this for 30 years, but innovations can help them work better. They’re absolutely open to learning about new products. But it goes beyond that. We’re a strategic partner dedicated to helping customers achieve their goals.”