{"id":500,"date":"2022-10-24T18:05:24","date_gmt":"2022-10-24T10:05:24","guid":{"rendered":"https:\/\/plastic-machines.org\/?post_type=info&#038;p=500"},"modified":"2026-08-21T11:29:25","modified_gmt":"2026-08-21T03:29:25","slug":"how-to-solve-the-problem-of-black-spots-on-plastic-pellets","status":"publish","type":"info","link":"https:\/\/plastic-machines.org\/de\/info\/how-to-solve-the-problem-of-black-spots-on-plastic-pellets\/","title":{"rendered":"Wie l\u00e4sst sich das Problem der schwarzen Flecken auf Kunststoffpellets l\u00f6sen?"},"content":{"rendered":"<p class=\"wp-block-paragraph translation-block\">Bei der Kunststoffgranulierung ist es ein relativ h\u00e4ufiges Problem, schwarze Flecken auf den Granulaten zu finden. Liegt das Problem bei der<a href=\"https:\/\/plastic-machines.org\/de\/product\/plastic-extruder-machine\/\"> Kunststoff-Granuliermaschine<\/a>, den Rohmaterialien oder anderen Faktoren, die zu einem solchen Ph\u00e4nomen f\u00fchren? Tats\u00e4chlich ist das Problem der schwarzen Flecken im Granulierprozess ein h\u00e4ufiges Ausfallph\u00e4nomen, insbesondere bei hellfarbigen Granulaten offensichtlicher. Wie k\u00f6nnen wir dieses Problem also verbessern?<\/p>   <div class=\"wp-block-image\"> <figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"540\" src=\"https:\/\/plastic-machines.org\/wp-content\/uploads\/2022\/10\/black-spots-on-plastic-pellets.jpg\" alt=\"Schwarze Flecken auf Plastikpellets\" class=\"wp-image-501\" srcset=\"https:\/\/plastic-machines.org\/wp-content\/uploads\/2022\/10\/black-spots-on-plastic-pellets.jpg 720w, https:\/\/plastic-machines.org\/wp-content\/uploads\/2022\/10\/black-spots-on-plastic-pellets-300x225.jpg 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><figcaption class=\"wp-element-caption\">Schwarze Flecken auf Plastikpellets<\/figcaption><\/figure> <\/div>   <p class=\"wp-block-paragraph\">Diese schwarzen Flecken sind die verbleibende thermische Verschlechterung des Kunststoffs der Kunststoffpelletmaschine nach dem Hartmetall. Um die Qualit\u00e4t der Kunststoffpellets sicherzustellen, sollte das Personal das Hartmetall der Maschine h\u00e4ufig reinigen.<\/p>    <p class=\"wp-block-paragraph\">Use harder plastic or its return material and white mineral oil for cleaning, and the temperature should be appropriately increased by 10~15\u00b0C. <\/p>    <p class=\"wp-block-paragraph\">At this time, the plasticizing ability of the small extruder should be considered. For large and medium-sized extruders that can plasticize ultra-high molecular weight plastics, they can be cleaned with ultra-high molecular weight plastics or their return materials and white mineral oil. <\/p>    <p class=\"wp-block-paragraph\">Because the hardness of ultra-high molecular weight plastics is better, and when the temperature is high, the cleaning object will be softened, so that it becomes easy to fall off, which is beneficial to the carbides being carried out by the plastic melt.<\/p>   <div class=\"wp-block-image\"> <figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"540\" src=\"https:\/\/plastic-machines.org\/wp-content\/uploads\/2022\/06\/plastic-pellet-making-machine1.webp\" alt=\"Kunststoffgranuliermaschine\" class=\"wp-image-477\" srcset=\"https:\/\/plastic-machines.org\/wp-content\/uploads\/2022\/06\/plastic-pellet-making-machine1.webp 720w, https:\/\/plastic-machines.org\/wp-content\/uploads\/2022\/06\/plastic-pellet-making-machine1-300x225.webp 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure> <\/div>   <p class=\"wp-block-paragraph\">During the cleaning process, the speed of the plastic pellet machine can be repeatedly switched between low speed and high speed. If there is still a spare motor load, you can repeatedly stop and restart the extruder several times during the operation, which can improve the cleaning effect. <\/p>    <p class=\"wp-block-paragraph\">When the carbide in the plastic melt is obviously reduced, gradually adjust to the appropriate temperature, then the normal production.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the process of plastic granulation, it is a relatively common problem to encounter black spots on the pellets. Is it the problem of plastic pellet machine, the problem of raw materials, or other factors that lead to such a phenomenon? In fact, the problem of black spots in the granulation process is a common [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":477,"parent":0,"template":"","tags":[85],"info-type":[11],"class_list":["post-500","info","type-info","status-publish","has-post-thumbnail","hentry","tag-granule-knowledge","info-type-news"],"taxonomy_info":{"post_tag":[{"value":85,"label":"granule knowledge"}],"info-type":[{"value":11,"label":"News"}]},"featured_image_src_large":["https:\/\/plastic-machines.org\/wp-content\/uploads\/2022\/06\/plastic-pellet-making-machine1.webp",720,540,false],"author_info":{"display_name":"Ella","author_link":"https:\/\/plastic-machines.org\/de\/author\/admin\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/plastic-machines.org\/de\/wp-json\/wp\/v2\/info\/500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plastic-machines.org\/de\/wp-json\/wp\/v2\/info"}],"about":[{"href":"https:\/\/plastic-machines.org\/de\/wp-json\/wp\/v2\/types\/info"}],"author":[{"embeddable":true,"href":"https:\/\/plastic-machines.org\/de\/wp-json\/wp\/v2\/users\/1"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/plastic-machines.org\/de\/wp-json\/wp\/v2\/media\/477"}],"wp:attachment":[{"href":"https:\/\/plastic-machines.org\/de\/wp-json\/wp\/v2\/media?parent=500"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plastic-machines.org\/de\/wp-json\/wp\/v2\/tags?post=500"},{"taxonomy":"info-type","embeddable":true,"href":"https:\/\/plastic-machines.org\/de\/wp-json\/wp\/v2\/info-type?post=500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}