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Deburring/Finishing

Economical edge

By Colin Linneweber

Above: Butch Phillips, who heads the grinding department, manages jobs on the EdgeBreaker line.

Plate fabricator makes quick work of finishing tasks with dual-processing system

September 2017 - Cincinnati is located approximately 100 miles northeast from Louisville. Considering the relatively short distance between the two cities, it was convenient for Cincinnati-based Arku Coil Systems Inc. and Louisville-based MISA Metal Fabricating Inc. (MMF) to work together to install a deburring and edge-rounding system.

A subsidiary of Marubeni-Itochu Steel America, MISA Metal Fabricating Inc. sought a quick-change system that can eliminate heavy slag and complete edge-rounding in a single process. Prior to installing Arku’s system at its 166,000-sq.-ft. shop, MISA employees manually deburred material using angle grinders.

“I learned about Arku’s EdgeBreaker at an industrial show about two years ago,”  MMF President Mike Talis says, adding that the shop routinely cuts and fabricates steel plate and sheet from between 3⁄16-in. and 4.5-in. thick.

MMF management conducted due diligence on the EdgeBreaker 4000 and were impressed with the machine’s deburring test results, according to Talis. “They offered a better price compared to other brands and our geographical proximity sealed the deal.”

FFJ 0917 deburring image1

The EdgeBreaker 4000 is a two-sided deburring machine capable of dual-sided rounding and deburring.

He says the system improved the efficiency of MMF’s material finishing workflow.

“This machine enhanced our output substantially and gave us a much cleaner atmosphere. The cleaner atmosphere came from the machine’s quality air filtration system that contains metal dust particles.”

Overall, the EdgeBreaker 4000 “is a very compact, economical machine that is also relatively easy to operate and maintain,” Talis continues.

Machine features

Based in Baden-Baden, Germany, Arku builds levelers, deburring and edge-rounding machines; and manufactures cut-to-length, slitting and press feeding lines for roll formers. The 90-year-old company distributes and services its technologies to many customers from its facilities in Germany, the United States and China.

Denis Weinfurtner, Arku’s North American marketing coordinator, says the EdgeBreaker 4000 was brought to the North American market in October 2015.

The dual-sided deburring and edge-rounding machine—whose standard footprint measures 112.8 in. by 84.4 in. by 87.3 in.—can simultaneously remove heavy slag and burrs from materials.

The parts storage feature allows an operator to keep and retrieve settings from previously produced parts. The EdgeBreaker 4000 is also equipped with a touch screen control panel and an automatic calibration feature for the grinding/edge-rounding blocks.

The calibration feature ensures precise results regardless of the wear on the blocks, says Weinfurtner. It also has a patented click system that promotes time-saving replacement of grinding/edge-rounding blocks.

FFJ 0917 deburring image2

Charlie Fox, maintenance worker at MISA Metal Fabricating Inc., Denis Weinfurtner, North American marketing coordinator for Arku, and Mike Talis, president of MMFI, meet to discuss the new equipment.

“The oscillation of the deburring drum allows for large burrs and heavy slag to be removed from materials, which delivers optimum deburring results,” says Weinfurtner.

“Other advantages are that the grinding blocks can be changed quickly and easily and the system provides high abrasion and machinery performance.”

While Arku’s deburring and edge-rounding machine helps fabricators and manufacturers that consume clean-surfaced, straight-edged materials, it is especially useful for companies that cut material through laser, plasma and oxyfuel processes.

“The machine is supposed to deburr and/or edge-round parts and sheets with heavy burrs, slag and/or sharp edges,” says Weinfurtner. “The heavy slag is removed by a large grinding drum, which is more suitable for parts and sheets with heavy slag. The edges are rounded by special rounding blocks within the machine.”

The EdgeBreaker 4000 can improve production flow by limiting line stoppages, increasing worker safety, and bolstering the bottom line.

“With parts being slag/burr free, as well as with rounded edges (if desired), this allows for unnecessary downstream processing downtimes to be avoided,” says Weinfurtner.

“Plus, there will be fewer injuries during material handling due to safe edges all around the part. It also allows for better paint adhesion due to rounded edges.”

MISA Metal Fabricating Inc.—primarily serving companies that fabricate metal for water tanks, forklifts, building construction, agricultural equipment, crane and material handling equipment—has quickly adapted to the advantages gained by using the EdgeBreaker 4000.

While many factors contributed to MMF’s decision to work with Arku, the companies’ proximity cannot be overlooked. After all, galloping at peak speed, Secretariat could have galloped from Churchill Downs to southwest Ohio in roughly three hours. FFJ

Sources

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