Bosch Packaging Technology has developed its Pack 403HE, a new version of its fully automated horizontal flow wrapper Pack 403 specifically designed for use in harsh environments. It will be displayed and demonstrated at this year’s Pack Expo in Las Vegas in September, along with the company’s Paloma pick-and-place robot, also designed for harsh environment use. The Pack 403HE comes with all the proven features of the Pack 403 and is suited for medium- to high-speed wrapping of a wide variety of products ranging from biscuits, chocolate, cookies and crackers to meats or frozen foods.
“We have designed the new Pack 403HE to meet the growing need of customers with strict hygienic requirements. To avoid contamination with allergens, germs or unwanted ingredients, food manufacturers need machines that are easy to clean,” Bosch Packaging Technology Product Manager Kelly Meer says.
Today, food manufacturers often produce different products on the same machine.
“Keeping the products free from unwanted substances such as traces of peanuts or wheat can be a challenge in terms of cleaning,” Meer explains. “The Pack 403HE provides improved features to facilitate particularly intensive cleaning. It differs from the standard version in terms of product design and material. Customers can apply aggressive cleaning agents including alcohols or acids, and easily wipe them off with water after they have taken effect. Water and cleaning agents will simply run down the drain.
“We call this the foam-and-rinse concept. In contrast to high-pressure cleaning with air or water, customers avoid the risk of spraying substances or germs. The foam-and-rinse method guarantees an easy and reliable washdown. The concept will soon also apply to the Paloma pick-and-place robot.”
The Pack 403HE also features washdown motors and gearboxes meeting baking industry sanitation standards, sanitary feet and a continuously welded stainless steel main frame plate. Stainless steel guarding, robust plastics, removable parts, sloped surfaces and easy-to-clean gaps between components further simplify the cleaning process. The machine’s cable connection to its electrical cabinet has been sealed to prevent the penetration of moisture or unwanted substances. Clear tubes help to detect any contamination. The wrapper is also equipped with a washdown infeed and stainless steel etched and stand-off labels to further support convenient cleaning.
The Pack 403HE produces up to 400 packages per minute, reaching a maximum film speed of 76m and includes all of the same features offered in the Pack 403. The automatic film splicer allows for fast film changes without interrupting production. The machine is equipped with servo-driven power-feed rollers to optimise film tension and tracking. It also has cantilevered and removable discharge belts that reject faulty packages with compressed air.
Bosch Packaging Technology provides access to a comprehensive global network of customer services. At Pack Expo, customers can learn about Bosch’s asset life continuation solutions. For example, the company offers upgrades for obsolete control systems and refurbishments of older machines. Two machines will be on display for visitors to experience the solutions firsthand: a refurbished JSL hand sealing machine and a Stratus wrapper with a new control platform as well as a stand-alone OEE dashboard.
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