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Schulte Strathaus expands offering

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World Cement,

“We want to be known as providers of integral solutions for conveying systems, not just as a scraper manufacturer”, says André Hanke, general manager of the Starclean division of F.E. Schulte Strathaus GmbH & Co. KG (Fess Group). He is responsible for all conveyor system products and services. “Before, we used to sell scrapers, tracking systems and impact beds”, he explained. With the addition of an in-house developed transfer point seal to the product programme, the company has now become a full-service supplier.

The Schulte Strathaus engineers examined similar solutions on the market before developing their new seal. “We wanted to know how they could be improved”, noted Hanke. The result is a transfer point seal previously not known to the market. Its unique design is based on the use of two different kinds of polyurethane. Hard polyurethane is used for guiding the material and softer polyurethane for the secondary dust seal. During conveying, the dust seal applies light pressure on the belt to prevent dust emissions. The relative softness of the material employed results in low wear on the belt and thus increased belt lifespan.

Another feature is that the seal can be adjusted when necessary. “That not only guarantees a further increase in lifespan, but also ensures a continually high level of dust emission prevention throughout its working life”, says Hanke. That in turn helps to increase efficiency and lower costs. Rubber would not have been a suitable material, according to Hanke, since rubber grinding against rubber would have produced too much friction and thus relatively rapid wear. The company also considered the use of polyurethane coated rubber impracticable: “As soon as the coating wore off, the seal would be useless”, Hanke says. “We can re-engineer complete conveying systems, including sheet metal work on the chutes”, added Hanke.

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