{"id":19390,"date":"2024-05-07T21:39:22","date_gmt":"2024-05-07T13:39:22","guid":{"rendered":"https:\/\/firstmold.com\/?p=19390"},"modified":"2025-07-23T20:16:26","modified_gmt":"2025-07-23T12:16:26","slug":"short-shot-in-injection-molding","status":"publish","type":"post","link":"https:\/\/firstmold.com\/pl\/tips\/short-shot-in-injection-molding\/","title":{"rendered":"Kr\u00f3tka analiza i rozwi\u0105zania | Wady formowania wtryskowego"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/injection-molding-defects\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Wady formowania wtryskowego<\/strong><\/a> to kwestie, kt\u00f3re ka\u017cdy <a href=\"https:\/\/firstmold.com\/pl\/insights\/injection-molding-companies-in-china\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>fabryka formowania wtryskowego<\/strong><\/a> mog\u0105 wyst\u0105pi\u0107 podczas procesu formowania. Wady typu short shot w formowaniu wtryskowym s\u0105 powszechn\u0105 wad\u0105 formowania wtryskowego. Jednak\u017ce, w przeciwie\u0144stwie do defekt\u00f3w typu flash, wi\u0119kszo\u015b\u0107 defekt\u00f3w typu short-shot jest usuwana przed formowaniem wtryskowym. <a href=\"https:\/\/firstmold.com\/pl\/guides\/what-is-mold-trial\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>pr\u00f3bne uruchomienia form<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dla fabryk form i wtryskarek analizowanie i perfekcyjne rozwi\u0105zywanie tego kr\u00f3tkiego problemu jest podstawow\u0105 umiej\u0119tno\u015bci\u0105. Ka\u017cdy specjalista w dziedzinie formowania wtryskowego ma obowi\u0105zek opanowa\u0107 wszystkie wady formowania wtryskowego.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Short-shot-defects-occurring-in-injection-molding-production.webp\" alt=\"Defekty kr\u00f3tkich strza\u0142\u00f3w wyst\u0119puj\u0105ce w produkcji wtryskowej\" class=\"wp-image-31467\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Short-shot-defects-occurring-in-injection-molding-production.webp 1200w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Short-shot-defects-occurring-in-injection-molding-production-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Short-shot-defects-occurring-in-injection-molding-production-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Short-shot-defects-occurring-in-injection-molding-production-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Short-shot-defects-occurring-in-injection-molding-production-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Short-shot-defects-occurring-in-injection-molding-production-600x338.webp 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Poni\u017cej znajduje si\u0119 tabela typowych wad formowania wtryskowego i ich szczeg\u00f3\u0142owe kana\u0142y, kt\u00f3re zainteresowani przyjaciele mog\u0105 klikn\u0105\u0107 w celu dog\u0142\u0119bnego zrozumienia:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th class=\"has-text-align-center\" data-align=\"center\" colspan=\"5\">Poznaj r\u00f3\u017cne wady formowania wtryskowego<\/th><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/flash-in-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Flash<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Kr\u00f3tki strza\u0142<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/sink-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Sink Mark<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/warpage-in-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Wypaczenie\/Deformacja<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/burn-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Burn Mark<\/strong><\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/splay-marks-silver-streaks-in-injeciton-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Splay Mark\/Silver Streak<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/black-spots-and-black-specks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Ciemny punkt\/czarna plamka<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/flow-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Flow Mark<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/bubbles\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Ba\u0144ka<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/weld-lines\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Weld Line<\/strong><\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/firstmold.com\/pl\/tips\/uneven-color-and-color-difference\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>R\u00f3\u017cnica kolor\u00f3w\/nier\u00f3wny kolor<\/strong><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><a href=\"https:\/\/firstmold.com\/pl\/tips\/ejector-pin-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\">Znak sworznia wyrzutnika<\/a><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-short-shot-in-injection-molding\">Co to jest Short Shot w formowaniu wtryskowym?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kr\u00f3tki strza\u0142 odnosi si\u0119 do niepe\u0142nego wype\u0142nienia na ko\u0144cu przep\u0142ywu materia\u0142u lub niepe\u0142nego wype\u0142nienia w formach wielogniazdowych, szczeg\u00f3lnie w obszarach cienko\u015bciennych lub na ko\u0144cu \u015bcie\u017cki przep\u0142ywu. Objawia si\u0119 to krzepni\u0119ciem stopu przed ca\u0142kowitym wype\u0142nieniem wn\u0119ki, co skutkuje niedoborem materia\u0142u w produkcie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u0142\u00f3wn\u0105 przyczyn\u0105 kr\u00f3tkich strza\u0142\u00f3w jest nadmierny op\u00f3r przep\u0142ywu, uniemo\u017cliwiaj\u0105cy dalszy przep\u0142yw stopionego materia\u0142u. Czynniki wp\u0142ywaj\u0105ce na d\u0142ugo\u015b\u0107 przep\u0142ywu stopionego materia\u0142u obejmuj\u0105 grubo\u015b\u0107 \u015bcianki cz\u0119\u015bci, temperatur\u0119 formy, ci\u015bnienie wtrysku, temperatur\u0119 stopu i sk\u0142ad materia\u0142u. Niew\u0142a\u015bciwe obchodzenie si\u0119 z tymi czynnikami mo\u017ce skutkowa\u0107 kr\u00f3tkimi strza\u0142ami.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-short-shot-injection-molded-products.webp\" alt=\"Typowe produkty formowane wtryskowo z kr\u00f3tkim skokiem\" class=\"wp-image-31464\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-short-shot-injection-molded-products.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-short-shot-injection-molded-products-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-short-shot-injection-molded-products-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-short-shot-injection-molded-products-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-short-shot-injection-molded-products-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Common-short-shot-injection-molded-products-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Injection-molding-workshop-engineers-inspect-short-shot-products.webp\" alt=\"In\u017cynierowie warsztatu formowania wtryskowego sprawdzaj\u0105 produkty kr\u00f3tkoseryjne\" class=\"wp-image-31465\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Injection-molding-workshop-engineers-inspect-short-shot-products.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Injection-molding-workshop-engineers-inspect-short-shot-products-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Injection-molding-workshop-engineers-inspect-short-shot-products-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Injection-molding-workshop-engineers-inspect-short-shot-products-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Injection-molding-workshop-engineers-inspect-short-shot-products-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Injection-molding-workshop-engineers-inspect-short-shot-products-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Wskaz\u00f3wki: Kliknij dowolny kluczowy termin poni\u017cej, aby dowiedzie\u0107 si\u0119 o jego wp\u0142ywie: \"<a href=\"https:\/\/firstmold.com\/pl\/guides\/injection-speed-and-injection-pressure\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Pr\u0119dko\u015b\u0107 wtrysku i ci\u015bnienie wtrysku<\/strong>\u200b\u200b<\/a>\u201c, \u201c<a href=\"https:\/\/firstmold.com\/pl\/tips\/wall-thickness\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Grubo\u015b\u0107 \u015bcianki<\/strong>\u200b<\/a>\" i \"<strong><a href=\"https:\/\/firstmold.com\/pl\/guides\/mold-temperature\/\" target=\"_blank\" rel=\"noreferrer noopener\">Temperatura formy<\/a><\/strong>\"<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-12-common-causes-of-short-shots\">12 najcz\u0119stszych przyczyn kr\u00f3tkich strza\u0142\u00f3w<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Twelve-common-causes-of-short-shots.webp\" alt=\"Dwana\u015bcie najcz\u0119stszych przyczyn kr\u00f3tkich strza\u0142\u00f3w\" class=\"wp-image-31469\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Twelve-common-causes-of-short-shots.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Twelve-common-causes-of-short-shots-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Twelve-common-causes-of-short-shots-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Twelve-common-causes-of-short-shots-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Twelve-common-causes-of-short-shots-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Twelve-common-causes-of-short-shots-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-unreasonable-gating-system-design\">1. Nieuzasadniony projekt systemu bramkowania.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">W formach wielogniazdowych wady wygl\u0105du cz\u0119sto wynikaj\u0105 z niezr\u00f3wnowa\u017conej konstrukcji wlewu i kana\u0142u. Podczas projektowania systemu wlewowego nale\u017cy zapewni\u0107 r\u00f3wnowag\u0119 wlewu, a waga cz\u0119\u015bci w ka\u017cdym wg\u0142\u0119bieniu powinna by\u0107 proporcjonalna do rozmiaru wlewu, tak aby ka\u017cde wg\u0142\u0119bienie mog\u0142o by\u0107 wype\u0142nione jednocze\u015bnie. Brama powinna by\u0107 umieszczona na grubej \u015bcianie, a tak\u017ce mo\u017cna przyj\u0105\u0107 zr\u00f3wnowa\u017con\u0105 konstrukcj\u0119 prowadnicy. Je\u015bli brama lub prowadnica jest ma\u0142a, cienka i d\u0142uga, ci\u015bnienie stopionego materia\u0142u podczas przep\u0142ywu spowoduje nadmiern\u0105 utrat\u0119 ci\u015bnienia, prowadz\u0105c do problem\u00f3w z nape\u0142nianiem. Aby temu zaradzi\u0107, nale\u017cy powi\u0119kszy\u0107 przekr\u00f3j prowadnicy i obszar bramy, a w razie potrzeby u\u017cy\u0107 wielu punkt\u00f3w podawania.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wskaz\u00f3wki: Kliknij, aby uzyska\u0107 wi\u0119cej informacji o \"<a href=\"https:\/\/firstmold.com\/pl\/guides\/injection-molding-gate\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Konstrukcja bramy w formowaniu wtryskowym<\/strong><\/a>\" i \"<a href=\"https:\/\/firstmold.com\/pl\/guides\/mold-runner\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Konstrukcja kana\u0142u formy i kana\u0142u pomocniczego<\/strong><\/a>\u201c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-poor-mold-ventilation\">2. S\u0142aba wentylacja ple\u015bni<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u015bli du\u017ca ilo\u015b\u0107 gazu pozostanie w formie z powodu s\u0142abej wentylacji i zostanie spr\u0119\u017cona przez przep\u0142yw materia\u0142u do ci\u015bnienia wy\u017cszego ni\u017c ci\u015bnienie wtrysku, utrudni to stopionemu materia\u0142owi wype\u0142nienie wn\u0119ki, powoduj\u0105c kr\u00f3tki wtrysk. Aby temu zaradzi\u0107, nale\u017cy sprawdzi\u0107, czy istniej\u0105 zimne studzienki lub czy s\u0105 one prawid\u0142owo ustawione. W przypadku g\u0142\u0119bokich wn\u0119k nale\u017cy doda\u0107 rowki wentylacyjne lub otwory wentylacyjne w miejscu kr\u00f3tkiego wtrysku; na powierzchni rozdzielaj\u0105cej nale\u017cy utworzy\u0107 szczeliny wentylacyjne o g\u0142\u0119boko\u015bci 0,02-0,04 mm i szeroko\u015bci 510 mm oraz umie\u015bci\u0107 otwory wentylacyjne w ostatnim punkcie nape\u0142niania wn\u0119ki.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U\u017cywanie surowc\u00f3w o nadmiernej wilgotno\u015bci lub zawarto\u015bci substancji lotnych b\u0119dzie r\u00f3wnie\u017c powodowa\u0107 wytwarzanie du\u017cych ilo\u015bci gazu, prowadz\u0105c do s\u0142abej wentylacji formy. W takim przypadku nale\u017cy wysuszy\u0107 surowce i usun\u0105\u0107 substancje lotne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dodatkowo, w operacjach procesowych uk\u0142adu formy, nale\u017cy poprawi\u0107 s\u0142ab\u0105 wentylacj\u0119 poprzez zwi\u0119kszenie temperatury formy, zmniejszenie pr\u0119dko\u015bci wtrysku, zmniejszenie oporu przep\u0142ywu uk\u0142adu wlewowego, zmniejszenie si\u0142y zacisku i zwi\u0119kszenie prze\u015bwitu formy.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Poor-mold-ventilation-design-cause-the-defect.webp\" alt=\"S\u0142aba konstrukcja wentylacji ple\u015bni powoduje usterk\u0119\" class=\"wp-image-31466\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Poor-mold-ventilation-design-cause-the-defect.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Poor-mold-ventilation-design-cause-the-defect-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Poor-mold-ventilation-design-cause-the-defect-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Poor-mold-ventilation-design-cause-the-defect-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Poor-mold-ventilation-design-cause-the-defect-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Poor-mold-ventilation-design-cause-the-defect-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-inappropriate-injection-machine-selection\">3. Niew\u0142a\u015bciwy wyb\u00f3r wtryskarki<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Przy wyborze sprz\u0119tu maksymalna wydajno\u015b\u0107 wtrysku wtryskarki musi przekracza\u0107 120% ca\u0142kowitej masy cz\u0119\u015bci i wlewu, podczas gdy ca\u0142kowita masa wtrysku nie powinna przekracza\u0107 85% wydajno\u015bci plastyfikacji maszyny.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-insufficient-material-supply\">4. Niewystarczaj\u0105ca poda\u017c materia\u0142\u00f3w<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Powszechn\u0105 metod\u0105 kontroli podawania jest podawanie obj\u0119to\u015bciowe. Nale\u017cy sprawdzi\u0107, czy rozmiar cz\u0105stek tworzywa sztucznego jest jednolity i czy w porcie podawania nie wyst\u0119puje \"mostkowanie\". Zbyt wysoka temperatura w porcie podawania r\u00f3wnie\u017c utrudnia podawanie. Aby temu zaradzi\u0107, nale\u017cy wyczy\u015bci\u0107 i sch\u0142odzi\u0107 port podawania.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-5-poor-material-flowability\">5. S\u0142aba p\u0142ynno\u015b\u0107 materia\u0142u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gdy p\u0142ynno\u015b\u0107 surowca jest s\u0142aba, parametry konstrukcyjne formy wp\u0142ywaj\u0105 na kr\u00f3tkie strza\u0142y. Popraw wad\u0119 stagnacji uk\u0142adu wlewowego poprzez rozs\u0105dne pozycjonowanie prowadnic, powi\u0119kszenie rozmiaru wlewu, prowadnicy i wlewu oraz u\u017cycie wi\u0119kszej dyszy. Nale\u017cy r\u00f3wnie\u017c doda\u0107 odpowiednie dodatki do formu\u0142y surowca, aby poprawi\u0107 wydajno\u015b\u0107 przep\u0142ywu \u017cywicy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-6-excessive-lubricant-in-plastic-particles\">6. Nadmierna ilo\u015b\u0107 smaru w cz\u0105steczkach plastiku<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u015bli formu\u0142a surowca zawiera zbyt du\u017co \u015brodka smarnego, a luz mi\u0119dzy pier\u015bcieniem kontrolnym \u015blimaka wtryskowego a cylindrem jest du\u017cy, silny przep\u0142yw wsteczny stopionego materia\u0142u w cylindrze spowoduje niewystarczaj\u0105ce podawanie i kr\u00f3tki strza\u0142. Aby temu zaradzi\u0107, nale\u017cy zmniejszy\u0107 zu\u017cycie smaru i wyregulowa\u0107 luz mi\u0119dzy cylindrem, \u015brub\u0105 wtryskow\u0105 i pier\u015bcieniem kontrolnym, a tak\u017ce wyregulowa\u0107 sprz\u0119t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-7-contamination-blocking-material-path\">7. Zanieczyszczenia blokuj\u0105ce \u015bcie\u017ck\u0119 materia\u0142u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">W przypadku, gdy zanieczyszczenia w stopionym materiale blokuj\u0105 dysz\u0119 lub zimny materia\u0142 blokuje wlew i kana\u0142, nale\u017cy oczy\u015bci\u0107 dysz\u0119 lub powi\u0119kszy\u0107 przekr\u00f3j wlewu i kana\u0142u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-8-low-mold-temperature\">8. Niska temperatura formy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gdy stopiony materia\u0142 wchodzi do gniazda formy o niskiej temperaturze, ch\u0142odzi si\u0119 zbyt szybko, nie wype\u0142niaj\u0105c wszystkich naro\u017cnik\u00f3w gniazda. Przed uruchomieniem nale\u017cy podgrza\u0107 form\u0119 do temperatury wymaganej przez proces i kontrolowa\u0107 przep\u0142yw wody ch\u0142odz\u0105cej form\u0119 podczas uruchamiania. Je\u015bli temperatura formy nie mo\u017ce wzrosn\u0105\u0107, nale\u017cy sprawdzi\u0107, czy konstrukcja uk\u0142adu ch\u0142odzenia formy jest odpowiednia.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-9-low-melt-temperature\">9. Niska temperatura topnienia<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Og\u00f3lnie rzecz bior\u0105c, w odpowiednim zakresie formowania temperatura materia\u0142u jest prawie proporcjonalna do d\u0142ugo\u015bci wype\u0142nienia. Wydajno\u015b\u0107 przep\u0142ywu stopu w niskiej temperaturze spada, skracaj\u0105c d\u0142ugo\u015b\u0107 nape\u0142niania. Je\u015bli temperatura materia\u0142u jest ni\u017csza od wymaga\u0144 procesu, nale\u017cy sprawdzi\u0107, czy grza\u0142ka cylindra jest nienaruszona i odpowiednio podnie\u015b\u0107 temperatur\u0119 cylindra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Podczas uruchamiania temperatura cylindra jest zwykle ni\u017csza ni\u017c temperatura wska\u017anika nagrzewnicy cylindra. Upewnij si\u0119, \u017ce beczka zosta\u0142a podgrzana do temperatury wska\u017anika, a nast\u0119pnie utrzymaj temperatur\u0119 przez chwil\u0119 przed uruchomieniem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u015bli wtrysk w niskiej temperaturze jest konieczny, aby zapobiec rozk\u0142adowi stopionego materia\u0142u, nale\u017cy wyd\u0142u\u017cy\u0107 czas cyklu wtrysku, aby unikn\u0105\u0107 kr\u00f3tkich strza\u0142\u00f3w. W przypadku wtryskarek \u015blimakowych nale\u017cy zwi\u0119kszy\u0107 temperatur\u0119 w przedniej strefie cylindra.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Table-of-melting-temperatures-for-different-plastic-materials.webp\" alt=\"Tabela temperatur topnienia dla r\u00f3\u017cnych tworzyw sztucznych\" class=\"wp-image-31468\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Table-of-melting-temperatures-for-different-plastic-materials.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Table-of-melting-temperatures-for-different-plastic-materials-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Table-of-melting-temperatures-for-different-plastic-materials-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Table-of-melting-temperatures-for-different-plastic-materials-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Table-of-melting-temperatures-for-different-plastic-materials-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Table-of-melting-temperatures-for-different-plastic-materials-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-10-low-nozzle-temperature\">10. Niska temperatura dyszy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Podczas wtrysku dysza styka si\u0119 z form\u0105, a poniewa\u017c temperatura formy jest zazwyczaj ni\u017csza ni\u017c temperatura dyszy, a r\u00f3\u017cnica temperatur jest du\u017ca, cz\u0119sty kontakt ch\u0142odzi dysz\u0119, zamra\u017caj\u0105c stopiony materia\u0142 w dyszy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u015bli w strukturze formy brakuje zimnej studzienki, zimny materia\u0142 wchodz\u0105cy do wn\u0119ki natychmiast si\u0119 zestala, zapobiegaj\u0105c wype\u0142nieniu wn\u0119ki gor\u0105cym stopem. Podczas otwierania formy nale\u017cy oddzieli\u0107 dysz\u0119 od formy, zmniejszaj\u0105c wp\u0142yw temperatury formy na dysz\u0119 i utrzymuj\u0105c temperatur\u0119 dyszy w granicach wymaga\u0144 procesu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u015bli temperatura dyszy jest niska i nie mo\u017ce wzrosn\u0105\u0107, nale\u017cy sprawdzi\u0107, czy grza\u0142ka dyszy nie jest uszkodzona i odpowiednio zwi\u0119kszy\u0107 temperatur\u0119 dyszy. W przeciwnym razie nadmierna utrata ci\u015bnienia w przep\u0142ywie r\u00f3wnie\u017c spowoduje kr\u00f3tki strza\u0142.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-11-insufficient-injection-pressure-or-holding-pressure\">11. Niewystarczaj\u0105ce ci\u015bnienie wtrysku lub ci\u015bnienie utrzymywania<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ci\u015bnienie wtrysku jest niemal proporcjonalne do d\u0142ugo\u015bci wype\u0142nienia. Niskie ci\u015bnienie wtrysku skraca d\u0142ugo\u015b\u0107 nape\u0142niania i pozostawia pust\u0105 przestrze\u0144. Aby zwi\u0119kszy\u0107 ci\u015bnienie wtrysku, nale\u017cy zmniejszy\u0107 pr\u0119dko\u015b\u0107 wtrysku, wyd\u0142u\u017cy\u0107 czas wtrysku itp.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u015bli ci\u015bnienie wtrysku nie mo\u017ce dalej wzrosn\u0105\u0107, nale\u017cy zwi\u0119kszy\u0107 temperatur\u0119 materia\u0142u, obni\u017cy\u0107 lepko\u015b\u0107 stopu i poprawi\u0107 wydajno\u015b\u0107 przep\u0142ywu stopu. Nale\u017cy pami\u0119ta\u0107, \u017ce zbyt wysoka temperatura materia\u0142u mo\u017ce spowodowa\u0107 rozk\u0142ad termiczny stopionego materia\u0142u, wp\u0142ywaj\u0105c na wydajno\u015b\u0107 cz\u0119\u015bci.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dodatkowo, kr\u00f3tki czas podtrzymania mo\u017ce r\u00f3wnie\u017c powodowa\u0107 kr\u00f3tki strza\u0142. Nale\u017cy kontrolowa\u0107 czas przytrzymania w odpowiednim zakresie, ale nale\u017cy pami\u0119ta\u0107, \u017ce zbyt d\u0142ugi czas przytrzymania mo\u017ce powodowa\u0107 inne usterki. Dostosuj podczas formowania w oparciu o konkretn\u0105 cz\u0119\u015b\u0107.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-12-slow-injection-speed\">12. Niska pr\u0119dko\u015b\u0107 wtrysku<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u0119dko\u015b\u0107 wtrysku ma bezpo\u015bredni wp\u0142yw na pr\u0119dko\u015b\u0107 nape\u0142niania. Je\u015bli pr\u0119dko\u015b\u0107 wtrysku jest niska, stopiony materia\u0142 wype\u0142nia si\u0119 powoli, a stopiony materia\u0142 p\u0142yn\u0105cy z nisk\u0105 pr\u0119dko\u015bci\u0105 \u0142atwo si\u0119 och\u0142adza, co dodatkowo zmniejsza wydajno\u015b\u0107 przep\u0142ywu i powoduje kr\u00f3tki strza\u0142.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nale\u017cy odpowiednio zwi\u0119kszy\u0107 pr\u0119dko\u015b\u0107 wtrysku, ale nale\u017cy pami\u0119ta\u0107, \u017ce nadmierna pr\u0119dko\u015b\u0107 wtrysku mo\u017ce powodowa\u0107 inne b\u0142\u0119dy formowania.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-13-unreasonable-part-structure-design\">13. Nieuzasadniony projekt struktury cz\u0119\u015bci<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u015bli grubo\u015b\u0107 i d\u0142ugo\u015b\u0107 cz\u0119\u015bci s\u0105 nieproporcjonalne, a kszta\u0142t jest z\u0142o\u017cony z du\u017cym obszarem formowania, stopiony materia\u0142 \u0142atwo napotyka op\u00f3r przep\u0142ywu na wlocie cienko\u015bciennym, co utrudnia wype\u0142nienie wn\u0119ki. Zaprojektuj kszta\u0142t cz\u0119\u015bci, bior\u0105c pod uwag\u0119 grubo\u015b\u0107 i ograniczenie d\u0142ugo\u015bci przep\u0142ywu stopionego materia\u0142u.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Unreasonable-part-structure-design.webp\" alt=\"Nierozs\u0105dny projekt struktury cz\u0119\u015bci\" class=\"wp-image-31470\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Unreasonable-part-structure-design.webp 1280w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Unreasonable-part-structure-design-300x169.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Unreasonable-part-structure-design-1024x576.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Unreasonable-part-structure-design-768x432.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Unreasonable-part-structure-design-18x10.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/05\/Unreasonable-part-structure-design-600x338.webp 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-in-conclusion\">Podsumowuj\u0105c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Stawianie czo\u0142a kr\u00f3tkim strza\u0142om w formowaniu wtryskowym nie jest straszne; naprawd\u0119 przera\u017caj\u0105ce jest to, \u017ce fabryka nie rozumie lub nie mo\u017ce rozwi\u0105za\u0107 problemu. Znajomo\u015b\u0107 projektowania konstrukcyjnego, projektowania form, testowania pr\u00f3bek, analizy i rozwi\u0105zywania problem\u00f3w, zapewniania wygl\u0105du, charakterystyki materia\u0142u i wielu innych s\u0105 niezb\u0119dnymi umiej\u0119tno\u015bciami dla wszystkich os\u00f3b zajmuj\u0105cych si\u0119 formowaniem wtryskowym.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u015bli masz jakiekolwiek pytania dotycz\u0105ce kr\u00f3tkiego uj\u0119cia, skontaktuj si\u0119 z nami pod adresem <a href=\"mailto: firstmold88@gmail.com\"><strong>firstmold88@gmail.com<\/strong><\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Zrozumienie problemu kr\u00f3tkich strza\u0142\u00f3w w cz\u0119\u015bciach formowanych wtryskowo podczas produkcji, przeanalizowanie wszystkich przyczyn i znalezienie najbardziej odpowiedniego rozwi\u0105zania.<\/p>","protected":false},"author":5,"featured_media":31467,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[48],"tags":[51,63],"class_list":["post-19390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-injection-molding","tag-injection-molding-defects"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Short Shot In Injection Molding<\/title>\n<meta name=\"description\" content=\"Understand the short shot problem in injection molded parts during production, analyze all the causes, and find the most correct solution.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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