The MKD line of digital AC servo motors from Indramat (Hoffman Estates, IL) are IP65 rated, making them suitable for harsh environments. Five frame sizes are available, offering peak motor power up to 12 kW, with peak torques ranging from 4 to 104 Nm (35 to 900 lb") and speeds to 9ꯠ rpm.
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Pity the printer/applicator that must withstand NutraSweet Kelco's Augusta, GA, aspartame plant. The artificial sweetener used in diet soft drinks is a granular substance that creates a harsh, dusty environment that's brutal on packaging equipment.
ScotchMark(TM) 3921 is a high temperature label stock for thermal transfer printing from 3M (St. Paul, MN). Made of 3-mil cast acrylic, it can handle operating temperatures to 450°F, flash temperatures to 550°F, immersion in solvents, abrasion cycling, flagging on contoured surfaces, as well as extended exposure to weather or UV light.
The 976 two-wire, stainless-steel proximity sensor from Honeywell's Micro Switch Div. (Freeport, IL) is suitable for sensing needs in harsh environments, including factory automation, machine tools, transfer lines, food processing equipment, parts positioning and presence/absence.
Producing potting soil in a package for food stores remains a challenge for The Scotts Company. A flat-bottomed 10-qt bag, printed in nine colors, is the company's first salvo. Traditional markets love it so far.