Modern Machine Shop

NOV 2018

Modern Machine Shop is focused on all aspects of metalworking technology - Providing the new product technologies; process solutions; supplier listings; business management; networking; and event information that companies need to be competitive.

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BETTER PRODUCTION MMS NOVEMBER 2018 108 mmsonline.com TURNING From High-Volume/Low-Mix to Low-Volume/High-Mix American Punch Co. (Euclid, Ohio), a punch and die supplier for both heavy-gauge stamping markets like construction and smaller-gauge markets like automotive, has to keep pace with its customer base. This has meant shifting from large-volume production to effectively machin- ing smaller runs with shorter turnaround times in order to meet just- in-time delivery orders demanded by its customers' implementation of lean strategies. As one would expect, adapting to these demands has created its own set of challenges, including finding ways to keep costs down despite the potential for increased labor involvement. Faced with these issues, production engineer Brian Cain began re-eval- uating the company's manufacturing processes in 2012. A visit to the International Manufacturing Technology Show (IMTS) that year put Mr. Cain in touch with LNS America Inc., whose e-Connect system introduced American Punch to the Industrial Internet of Things (IIoT) as well as a way to automate program switches between bar feeder and lathe. Searching for a Way to Move to Shorter Production Runs While American Punch's high-precision punches and dies were well-received by its customers, its manufacturing process was geared to standard production practices that produce hundreds of a single part, rather than the smaller lots of five,10 or 20 pieces increasingly demanded by customers. "Short runs like these require multiple setups and increased atten- tion from the machine operator, which, of course, adds time and labor COMPANY: American Punch Co. PROBLEM: Customers demanded just-in-time delivery and shorter production runs SOLUTION: LNS America's Quick Load Servo 80 S2 bar feeder with e-Connect RESULTS: Now machine CNCs can communicate with bar feeders to automatically switch part programs without operator intervention EDITED BY JEDD COLE | ASSOCIATE EDITOR LNS America's e-Connect system resides in the LNS Quick Load Servo 80 S2: a spindle-length, all-electric, servo-con- trolled, fully automatic bar feeder that loads 14- to 63-inch bars with diameters ranging from ΒΌ to 3 1 / 8 inches.

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