{"id":3931,"date":"2020-01-14T11:42:33","date_gmt":"2020-01-14T10:42:33","guid":{"rendered":"https:\/\/www.ejkrueger.de\/gegenlaeufer\/"},"modified":"2020-07-30T15:05:24","modified_gmt":"2020-07-30T13:05:24","slug":"gegenlaeufer","status":"publish","type":"page","link":"https:\/\/www.ejkrueger.de\/en\/gegenlaeufer\/","title":{"rendered":"Counter rotating twin screws"},"content":{"rendered":"

Counter rotating twin screws<\/h1>\n

EJK supplies counter-rotating twin screws for non-intermeshing and tightly intermeshing designs according to customer drawings.<\/p>\n

 <\/p>\n

Non-intermeshing, counter-rotating twin screws are usually made of special materials with wear-resistant screw surfaces. This wear protection is carried out in PTA as well as in laser process. The same category of non-intermeshing twin screws includes very large and long twin screws, which are operated at high speed in the field of granulate production.<\/p>\n

 <\/p>\n

In the case of the tightly intermeshing, counter-rotating twin screws, all sizes from a diameter of 35 mm upwards are manufactured both in conical and parallel versions. A large number of screws have been manufactured with length ratios of above L\/D = 40. As standard all screws are deep drilled and provided with cooling. For this purpose, EJK has developed its own design of a closed-loop cooling system which is 100% maintenance free for over the lifetime of the screws.<\/p>\n

    \n
  • Maximum length 7,50m<\/li>\n
  • Max. diameter: 700mm<\/li>\n
  • Minimum diameter 35mm<\/li>\n<\/ul>\n

    The standard versions are usually supplied as gas nitrided versions. EJK supplies the running surface with a wear-protected design with wear material incorporated in the bed. This is usually a tungsten carbide version, but can also be provided with other wear protection materials according to customer requirements. On customer request, the screw channel can also be provided with a hard chrome coating, which was specially developed by EJK. This hard chrome layer has proven its worth both in tin formulations and in hard, abrasive applications with a high proportion of glass fibres.<\/p>\n

    On request, screws can also be coated with a complete tungsten carbide layer.<\/p>\n<\/div>

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    <\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3931","page","type-page","status-publish","hentry"],"yoast_head":"\nCounter rotating twin screws - GTS Doppelschnecken f\u00fcr europ\u00e4ische Extruder - direktes Angebot<\/title>\n<meta name=\"description\" content=\"Doppelschneckenextruder f\u00fcr Rohr, Profil, Platte und Granulat - GermanTwinscrewS liefert mit GTS-Design einbaukompatibel Verfahrenseinheiten f\u00fcr alle europ\u00e4ischen Extruder\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ejkrueger.de\/en\/gegenlaeufer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Counter rotating twin screws - 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