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What event could provide a more suitable framework for a product presentation than the leading trade show in the plastics industry in Dusseldorf? The size reduction specialist from Ilsfeld (Germany) will present its all-new WKS single-shaft shredder series with 1400, 1800, and 2200 mm working width. Because they were specially designed for plastic applications, the new machines aim for shredding voluminous objects, tear-resistant fibers and film. Visitors will be able to take a closer look at the WKS 1800, which will be on display at the WEIMA booth.
There are plenty of companies out there building shredders. However, finding the right balance between high throughput and comfortable maintenance is what makes the real difference in designing a size reduction machine.

One of the most obvious new features is the newly designed material feeding system. Instead of a horizontal ram, the new WKS series has a so-called “swing-ram,” which is guided on rolls. This is what makes the shredder very compact and easy to maintain. It also allows a more aggressive material infeed. Optionally, an attachment can be added to the swing arm to optimize feeding. The low feeding point with a height of only 2.2 meters enables customers to fill the hopper via conveyor belt, forklift, or by hand. All WKS shredding machines are suitable to be run as a stand-alone solution or as part of a multiple-stage plant — a plastic recycling line including an extrusion system, for example.

Maintenance made easy.

In order to optimize maintenance actions, the new WKS single-shaft shredders are equipped with an inspection flap. Using this flap will enable users to reach foreign objects or to rotate/change cutting knives without climbing inside the hopper. Also, changing screens has become more convenient due to a liftable screen basket. This grants an easy access to the screen segments.
Another characteristic to point out is the sturdy machine design. WEIMA’s new shredders rely on an optimized frame structure with 40 mm thick sidewalls, which significantly reduce vibrations and wear. In addition, there is the increased rotor diameter of 500 mm. In accordance to the application, WKS shredders come with a V rotor for lumps, hollow and voluminous parts, or an F rotor designed for fibers and film. Customers are able to choose from two drive concepts: The powerful hydraulic drive or the electromechanical power belt drive. Cutting knives are available in 40, 60, and 80 mm.