Muller Martini’s Stitch Monitoring Technology Looks Simple, Works Wonders

Muller Martini’s patented Stitch Monitor sensor on one of its saddlestitchers.

There’s a green plastic sensor that sits on the ridge of the gathering chain on all Muller Martini stitching machines these days. To someone like me who doesn’t know the anatomy of a stitching machine, it looks like it’s maybe a guard of some sort, but it’s actually a pretty sophisticated piece of technology that is improving quality control during the stitching process.

The green sensor is Muller Martini’s patented Stitch Monitor—and embedded in its non-abrasive plastic mold is a series of sensors that detect stitching wire. At running speeds of up to 30,000 pieces/hour, the system detects and rejects any product that does not have the right number of stitches. For those using older stitchers that do not have low wiring indicators, the machine will even be stopped if the unit counts a preselected number of consecutive products with insufficient staples.

The monitor does a tremendous job of improving quality control in the stitching process, preventing bad product from getting through and into the hands of the client.

An added bonus is that the product is rejected before it goes through the trimming process, which means there is a possibility (depending upon the individual product and paper choice) that the rejected piece can be taken apart and sent through again, minimizing waste.

“When we first developed this technology a few years back, it was optional,” says Doug Stryker, division manager for Print Finishing Systems at Muller Martini, “but we had such great response to the Stitch Monitor in the field that it is now a standard feature on all of our stitching machines—from entry level to our highest output machines.”

For those who don’t have a current Muller Martini stitcher, this feature can be retrofitted for about $2,500.

To learn more about the Stitch Monitor, or to inquire about retrofitting the technology, please contact your regional Muller Martini sales manager by calling 1-888-2MULLER.

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Trish Witkowski is Chief Folding Fanatic at foldfactory.com, and president of Rock the Mailbox. An educator, author, speaker and award-winning designer, Trish has a specialized expertise in creative solutions for direct mail and marketing, and is the curator of the world's most exciting collection of folded print and direct mail samples. Trish is the creator of the FOLDRite folding template system, and has authored many resources, most recently Direct Mail Simplified, and Paper Folding Templates for Print Design. She also hosts a popular weekly e-video series "60-second Super-cool FOLD of the WEEK", and is an instructor at Lynda.com. Trish holds a MS in Printing and a BFA in Graphic Design from RIT.
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