Robots Sanding Furniture? No Way!

That’s a common reaction in the furniture industry when manufacturers try to envision bringing robots into sanding and polishing applications. And you can’t blame them; when it comes to shaping a plank of wood into the back of a chair or finish sanding cabinet doors or a headboard, automation hasn’t been as common – until recently.

Robots Sanding Furniture? No Way!
Robots Sanding Furniture? No Way!

That’s a common reaction in the furniture industry when manufacturers try to envision bringing robots into sanding and polishing applications. And you can’t blame them; when it comes to shaping a plank of wood into the back of a chair or finish sanding cabinet doors or a headboard, automation hasn’t been as common – until recently.

While traditional industrial robots that require safety guarding, complex programming, and high unit counts to justify automation are not an optimal fit here, we now increasingly see collaborative robots assist wood, furniture and cabinet manufacturers. As opposed to their larger cousins bolted down in cages, collaborative robots can be moved around between machines and processes just like any other tool in the cabinet shop.

Training on operations and programming is available 100% online from the UR Academy – in fact, Universal Robots has delivered online training to over 100,000 people around the world. No computer science degree is required!

The timber industry has long benefited from automated solutions, but many furniture and other traditional wood manufacturing companies have had considerably less exposure to automated manufacturing technology. In fact, many woodworking organizations cite a lack of familiarity with automation technology as a major reason for not adopting advanced productivity solutions. Cobots change that notion.
The timber industry has long benefited from automated solutions, but many furniture and other traditional wood manufacturing companies have had considerably less exposure to automated manufacturing technology. In fact, many woodworking organizations cite a lack of familiarity with automation technology as a major reason for not adopting advanced productivity solutions. Cobots change that notion.

Got Labor? We didn’t think so

Manufacturing labor is in short supply in every industry, particularly in DDD (Dull, Dirty, Dangerous) positions. With the Bureau of Labor Statistics reporting 10,000 Baby Boomers retiring every day in the U.S. alone, and younger generations not particularly interested in DDD jobs in manufacturing, it’s no wonder there are over 700,000 open, unfilled manufacturing U.S. jobs today.

Wood products in general and cabinet producers specifically are feeling the pain. Woodworking Network reported 80% of woodworking manufacturers are having trouble filling open positions. And the National Association of Manufacturers reported hiring and retaining skilled manufacturing labor is the industry’s #1 problem.

Watch how cobot from Universal Robots polish Paradigm Electronics to a 50% increase in production and upskill operators at All Axis Machining

What’s the biggest problem?

Each company is unique, but we believe sanding to be the most common, pervasive workforce problem in cabinet and furniture factories and shops. Manual sanding is the definition of Dull Dirty and Dangerous. Dull because it is a repetitive task with little or no variation. Dirty – operators live in a cloud of dust. And dangerous due to the environment and the high potential for carpal tunnel and repetitive stress injuries.

At the AWSF Show (Association of Woodworking & Furnishing Suppliers) this summer, we heard the stories from owners and production managers as they stopped by our booth; Hiring 40% more sanders than needed because there are no-shows every day. Skipping drug screens to increase the candidate pool. An inability to attract younger workers with growth potential to even start as a sander. Pushback from cabinet builders who are true craftsmen, and don’t want to sand. And a stream of workers comp claims. Most of our booth visitors were very surprised to realize that they might have found a solution to all this.

Instagram post from one of the many AWSF visitors that quickly realized the benefits of cobot automation.
Instagram post from one of the many AWSF visitors that quickly realized the benefits of cobot automation.

Enter the Cobot Sander

Collaborative robots can perform many tasks in cabinet and furniture manufacturing: Loading and unloading CNC routers, saws, sanders, and other processing machines. Dispensing glue and sealers. Assembling components, including automated screwdriving and sanding. There are sanding heads available from multiple Universal Robots partners through the UR+ program, an extensive and rapidly growing ecosystem of third-party components and application kits certified for seamless compatibility with UR cobots. Right now, we have more than 20 UR+ products specifically for sanding and polishing. Here’s a handy application directory with more details. Universal Robots e-Series cobots also have built-in force sensing, allowing the cobot to tightly maintain sanding pressure, more accurately than any human operator.

AFK Gardens has deployed two ceiling-mounted UR10e cobots to sand garden furniture. The cobots are outfitted with the Mirka® AIROS, a lightweight sanding head that integrates directly with the UR cobot arm through a “URCap”; a software handshake between sander and cobot arm that enables the user to program the sander directly from the cobot’s teach pendant. To extend the reach of the UR10e cobots, AFK Gardens added the 7th axis slide kit from Ewellix, which also comes with a URCap for easy integration with the UR cobot. “Before we installed the robots, we never saw one product sanded the same way,” says Martyn Mitchell, factory manager at AFK Gardens. “Now, every single piece of furniture is identically sanded, our product quality has exponentially increased.”
AFK Gardens has deployed two ceiling-mounted UR10e cobots to sand garden furniture. The cobots are outfitted with the Mirka® AIROS, a lightweight sanding head that integrates directly with the UR cobot arm through a “URCap”; a software handshake between sander and cobot arm that enables the user to program the sander directly from the cobot’s teach pendant. To extend the reach of the UR10e cobots, AFK Gardens added the 7th axis slide kit from Ewellix, which also comes with a URCap for easy integration with the UR cobot. “Before we installed the robots, we never saw one product sanded the same way,” says Martyn Mitchell, factory manager at AFK Gardens. “Now, every single piece of furniture is identically sanded, our product quality has exponentially increased.”

Low Volume/High Mix holding you back?

We understand LV/HM operations. From contract machine shops, metal fabricators and injection molders to contract packaging and assembly, the versatility and ease-of-setup of Universal Robots has brought automation to these small and medium enterprises.

For more insights on how cobots can help automate the furniture industry, download our whitepaper “Cobots help manufacturers reveal the heart of the wood” and visit our on-demand virtual event, the Cobot Expo: Material Removal and Surface Finishing to watch presentations, demos, and new product launches.

The Material Removal and Surface Finishing Expo is an immersive experience, featuring tech demos, how-to presentations, and numerous UR+ partner booths showcasing products certified for UR cobot applications.
The Material Removal and Surface Finishing Expo is an immersive experience, featuring tech demos, how-to presentations, and numerous UR+ partner booths showcasing products certified for UR cobot applications.
Joe Campbell

Joe Campbell is a 40+ year veteran of the robotics and automation industry. After executive assignments in sales, marketing, operations and customer service with industry leading robot, system integrator and engineering companies, Joe recently retired as head of strategic marketing for Universal Robots North America. He is a regular speaker, lecturer and author on manufacturing labor issues, and the technology and economic benefits of robots and factory automation.

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