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    • 3. 发明公开
    • EXTRUSIONSKOPF MIT LOCHPLATTE EINER GRANULIERANLAGE
    • 挤出麻醉剂麻醉剂爱克林大理石
    • EP2996849A1
    • 2016-03-23
    • EP14724647.4
    • 2014-05-15
    • Maag Automatik GmbH
    • DAHLHEIMER, StefanMEIDHOF, HelmuthBRAUN, Thomas
    • B29B9/06
    • B29B9/065B29B9/06B29C47/0011B29C47/0066B29C47/0852B29C47/30B29C2793/0027B29K2905/10B29K2905/12B29K2909/02B29K2909/04
    • The invention relates to an extrusion head (1, 2, 3) having a perforated plate (4) of a granulating system (30). The extrusion head (1, 2, 3) has a head part (32) and a perforated plate (4). The perforated plate has a central cone part (10) on which flow is incident, nozzle channels (9), and hole nozzles (7), and is detachably fastened to the head part (32). The head part (32) of the extrusion head (1, 2, 3) has at least one central melt channel (44), into which the cone part (10) of the perforated plate (4) on which flow is incident protrudes. The cone part distributes the melt flow among annularly arranged nozzle channels (9) and among the hole nozzles (7) arranged at least in one ring (8). The perforated plate (4) has a multi-part construction and comprises a perforated-plate wear insert (5), a perforated-plate main body (6), and a cone part (10) on which flow is incident. The perforated plate has a corrosion-protected fastening part (29), which detachably holds the multi-part perforated plate (4) together. The at least one fastening part (29) is arranged in a central region of the at least one ring (8) of the hole nozzles (7).
    • 具有造粒系统的多孔板的挤压头。 挤出头可以具有头部和多孔板,其具有穿孔板耐磨插入件,多孔板主体,中心流入锥体,流入锥体部分,多个喷嘴通道,多个穿孔模具和 至少一个防腐保护的紧固件。 多孔板可拆卸地固定在头部上。 头部部分可以具有至少一个中心熔体通道,流入锥体部分在其中突出并分布在喷嘴通道中的熔体流动,喷嘴通道可以布置成环形,并且可以布置在至少一个环中的多孔模具中 。 所述至少一个紧固件可以定位在穿孔模具的至少一个环的中心区域中。