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Deburring/Finishing

Blazing brightly

By Lauren Duensing

Fiber discs newly formulated to finish carbon steel parts

May 2019 - Orange conveys warmth and energy, and it’s often used as a signal color to set items, like safety cones and markers, apart from their surroundings. And, in a manufacturing environment where abrasives can be ubiquitous, a brightly colored grinding disc stands out.

Abrasives are used for cutting, grinding, rust and paint removal, surface blending, finishing, and polishing on all types of metals; however, there are some notable considerations when working with carbon steel.

“Carbon steel is significantly softer acting than stainless steel and other materials, like Inconel and titanium,” says Patrick Carroll, senior product manager at Norton | Saint-Gobain Abrasives. “A key requirement for grinding carbon steel is picking the right grit size to get the proper finish, while increasing productivity.”

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Norton Blaze fiber discs are used in the welding, metal fabrication, oil and gas, energy and shipbuilding industries, among others.

Norton | Saint-Gobain Abrasives has developed a new formulation for its Norton Blaze fiber disc line, one that is still the trademark bright orange color but is specifically designed for better performance on carbon steel and other soft-to-grind metals—applications where the original Blaze F980 for stainless steel might be overgraded.

The F980 has a grinding aid that provides a cool cut on harder-to-grind materials such as stainless steel, Carroll says, but that feature is not included on the BlazeX F970, resulting in improved performance on carbon.

“An important benefit with Norton BlazeX F970 is it provides a fast initial rate of cut that is consistent, due to its improved abrasive and heavy backing,” Carroll says. The discs have a non-supersized design and a ceramic alumina micro-fracturing grain that continually exposes new, sharp grain edges during use. “Grinding carbon with BlazeX F970 reduces loading, and the disc does not leave burn marks.”

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The Norton BlazeX F970 fiber discs are suited for carbon steel jobs, while the Blaze F980 is the preferred choice for stainless.

Making a switch

Norton | Saint-Gobain has a large metal fabrication customer that switched to BlazeX P970 from a competitive ceramic fiber disc. Since the switch, the fabricator increased its productivity due to a reduction in the effort required during grinding, while saving 15 percent on the cost of abrasives.

Norton BlazeX P970 fiber discs are available in coarse and medium grits, ranging from 36 to 80, and sizes including 41⁄2 in. by 7⁄8 in., 5 in. by 7⁄8 in. and 7 in. by 7⁄8 in., with both standard hole and speed-change attachments.

Each disc can be used with an air-cooled backup pad that has a slotted hub design and curved ribs to draw heat away from the grinding zone, reducing disc loading and extending life. Each can alternatively be used with a smooth face speed-change backup pad. Carroll says the air-cooled pads are best for durability and the smooth face for finishing.

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The air-cooled backup pads have a slotted hub design and curved ribs to draw heat away from the grinding zone.

“Medium-density backup pads are for all-purpose use and, frankly, are the most popular pads used,” he adds. “Hard density backup pads are for applications where aggressive cutting action is required.”

Customers who want to compare the BlazeX discs for themselves have the option of trying out a test kit. “Each test kit has a box of Norton BlazeX F970 and Blaze F980 fiber discs in it along with an information card reinforcing where each is used—BlazeX F970 for carbon steel, Blaze F980 for stainless steel,” Carroll says. “This test kit provides information to remind customers where each product is maximized and provides the ability to easily test both, depending on which material is being ground.”

Using the correct disc for the job saves operators frustration and lowers the cost companies must spend on abrasives.

“For manufacturers, it’s all about time, and reducing the grinding time saves them money,” Carroll says. “BlazeX F970 has significantly longer life and makes cooler cuts on carbon and other softer-to-grind materials, which reduces the time it takes operators to grind and decreases the number of discs they use.” FFJ

Sources

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Company Profiles

AIR FILTRATION

IRONWORKERS

NESTING SOFTWARE

SERVICE CENTERS

Camfil APC - Equipment Trilogy Machinery Inc. Metamation Inc. Admiral Steel
Camfil APC - Replacement Filters

LASER TECHNOLOGY

PLASMA TECHNOLOGY

Alliance Steel
Donaldson Company Inc. AMADA AMERICA, INC. Messer Cutting Systems Inc.

SOFTWARE

BENDING/FOLDING

Mazak Optonics Corp.

PLATE

Enmark Systems Inc.
MetalForming Inc. MC Machinery Systems Inc. Peddinghaus Lantek Systems Inc.
RAS Systems LLC Murata Machinery, USA, Inc.

PLATE & ANGLE ROLLS

SecturaSOFT

BEVELING

TRUMPF Inc. Davi Inc. SigmaTEK Systems LLC
Steelmax Tools LLC

LINEAR POSITION SENSORS

Trilogy Machinery Inc. Striker Systems

COIL PROCESSING

MTS Sensors

PRESS BRAKE TOOLING

STAMPING/PRESSES

Bradbury Group

MATERIAL HANDLING

Mate Precision Tooling AIDA-America Corp.
Burghardt + Schmidt Group EMH Crane Rolleri USA Nidec Press & Automation
Butech Bliss Fehr Warehouse Solutions Inc.

PRESS BRAKES

STEEL

Red Bud Industries UFP Industrial AMADA AMERICA, INC. Alliance Steel
Tishken

MEASUREMENT & QUALITY CONTROL

Automec Inc.

TUBE & PIPE

CONVEYOR SYSTEMS

Advanced Gauging Technologies MC Machinery Systems Inc. BLM Group
Mayfran International

METAL FABRICATION MACHINERY

SafanDarley HGG Profiling Equipment Inc.

DEBURRING/FINISHING

Cincinnati Inc.

PUNCHING

Prudential Stainless & Alloys
ATI Industrial Automation LVD Strippit Hougen Manufacturing

WATERJET

Lissmac Corp. Scotchman Industries Inc.

SAWING

Barton International
Osborn Trilogy Machinery Inc. Behringer Saws Inc. Jet Edge Waterjet Systems
SuperMax Tools

METAL FORMING

Cosen Saws Omax Corp.
Timesavers FAGOR Arrasate USA Inc. DoALL Sawing

WELDING

HYDRAULIC PRESSES

MetalForming Inc. HE&M Saw American Weldquip
Beckwood Press Co.

MICROFINISHING TOOLS

Savage Saws Strong Hand Tools
Triform Titan Tool Supply Inc.

 

T. J. Snow Company

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