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Hard Shaft – Screwed Shaft Journals for Single-Shaft Shredders |
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| The advanced Series WLK single-shaft shredders (Photo 1) manufactured by WEIMA Maschinenbau GmbH, Ilsfeld/Germany, are equipped with rotors with screwed shaft journals on the driven side (Photo 2). This screw connection permits the shaft journals to be hardened prior to installation. The resulting increased hardness allows a higher rate of torsional and flectional stressing on the shaft journals, consequently preventing wear symptoms and reducing damage to a great extent. |
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Photo 1:
Single-Shaft-Shredder of the WLK range |
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These machines are used for grinding thermoplastics provided in the form of production residues from the automotive, electrical and electronics industries, etc., or start-up chunks as well as thick-walled or bulk components, films and foils.
The rotors are manufactured from solid steel and can optionally be armoured with a highly wear-resistant Hardox plating for shredding abrasive materials such as glass fibre reinforced plastics or contaminated agricultural foils (Photo 3).
The size of the machine is primarily dependent on the type and input dimensions of the material to be size-reduced and the required throughput. The diameter of the rotor is 368, 482, 600, 800, or 1,000 mm, depending on the frame size. The power rating is between 22 kW and 2 x 200 kW with rotor lengths of 600 mm to 3,000 mm. |
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| Photo 2: Series WLK Single-Shaft Shredder – Screwed Shaft Journal |
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Photo 3: Series WLK Single-Shaft Shredder – Rotor with Hardox Plating |
| (In-house photos: WEIMA Maschinenbau GmbH, Ilsfeld) |
| WEIMA Maschinenbau GmbH have been manufacturing size-reduction machines for over 20 years for a wide range of applications, for customers in the plastics, wood working and recycling industries all over the world. The company employs a staff of about 120 and has distribution locations in France, Great Britain and America, as well as over 50 agencies worldwide. The production range includes single-shaft shredders, two- and four-shaft shredders, cutting mills, briquetting presses and installations with accessories. |
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| © 2005 WEIMA Maschinenbau GmbH · Август 2005 |
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