Factory tour advice

Think Again: Recent factory tours offer critical advice to help manufacturers gain efficiency, quality, and more.


Manufacturers need to seek ways to lower operating costs, energy use, and downtime; increase reliability and quality; and seek improvements throughout a product’s lifecycle. Also, look at the advantages of upgrades before parts wear out. Go to customers’ sites, and if you run into challenges, improve based on what you’ve learned.

Gears and gearboxes for windmills, tide generators, concrete mills, mining machinery, geared motors, conveyors, locomotives, and other applications are manufactured by Siemens, though most at the Siemens Tollgate mechanical drive facility are for wind appThese were bits of advice from a March Siemens Mechanical Drives plant tour in Elgin, Ill. Aarnout Kant, general manager of the Siemens Industry mechanical drives unit, and other experts offered advice, along with Peter Herzhoff and Jacob Schiff, mechanical drives plant managers for two Elgin, Ill., plants. 

- Simplify and integrate systems, cutting out components and even unneeded features where practical, to improve reliability and energy efficiency. In motion systems, fewer points of power transfer increase overall system efficiency. And an integrated system eliminates any possibility of finger-pointing in the rare case of a failure, adding customer confidence. Using 3-D modeling software speeds development.

- Look for features and functions that reduce downtime in the long term; though they may add to initial capital costs, they almost always result in a “yes” from end users interested in maximizing productivity.

At the Siemens Madeline plant, in addition to providing gearboxes for wind turbines, gearboxes are reworked and refurbished at a savings to buying new. Mark T. Hoske photo, CFE Media- Use long-time employees with more experience to contribute, mentor, and teach younger team members.

-Ask plant-floor personnel for their ideas to improve safety, eliminate waste, and improve efficiency, and reward them for their efforts.

- Invest in local manufacturing expertise in ways that logistic costs and lower lead times for customers, which helps add market share. Use sensors to take critical measurements, and invest in new computers and new software to monitor and processes to keep quality high. 

- Especially with expansions, renovations, and new plants, find ways to ensure products keep moving from design through manufacturing and shipping, limiting travel time and distance.

- Expand markets by adapting or scaling systems larger, when practical, to add efficiencies, and then seek new markets for those new designs.

- Shift toward service or upgrades in mature markets and consider leaving or selling lower efficiency product lines.

- Re-examine markets you left, because there might be good reasons to reinvest and return.

- Look for opportunities to add throughput and energy efficiencies with replacements.

- For critical parts, track the origin, number the parts with serial numbers or data matrix codes, and inspect everything, at multiple stages of production. Ensure suppliers provide parts or materials that are tested.

- Line up agreements from multiple suppliers, especially in tight markets like specialty steel, to lower lead times for customers.

- Set up key metrics for each area of the plant, display them, and discuss daily—or more often, if needed.

- Reconsider processes, even ones deemed efficient, when brought from other plants.

Share the fun

Mark T. Hoske is content manager, Control Engineering, CFE MediaHearing about a factory tour is almost as much fun as taking one. As you travel, ask nearby partners or suppliers for a plant tour. Ask questions. Learn. Then apply and share what you learned with Control Engineering at controleng.com/contribute.

Mark T. Hoske, CFE Media, Control Engineering content manager

More advice for manufacturers and photos: http://www.controleng.com/single-article/plant-tour-gaining-efficiencies-in-mechanical-drives/4d52744bd4.html

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