{"id":902546,"date":"2026-11-10T08:35:01","date_gmt":"2026-11-10T07:35:01","guid":{"rendered":"https:\/\/www.packaging.si\/?p=902546"},"modified":"2026-11-10T08:35:01","modified_gmt":"2026-11-10T07:35:01","slug":"preverjanje-prileganja-cepa-za-steklenice-roll-on-din18","status":"publish","type":"post","link":"https:\/\/www.packaging.si\/sl\/roll-on-plug-fit-checks-din18-bottles\/","title":{"rendered":"Preverjanje prileganja zama\u0161kov roll-on za steklenice DIN18: vodnik za kontrolo kakovosti ob prejemu"},"content":{"rendered":"<p>Zama\u0161ek roll-on se zdi preprost: zama\u0161ek, kroglica in pokrov\u010dek. V proizvodnji so to eden tistih delov, kjer se majhna neskladja hitro poka\u017eejo \u2013 kroglica se vrti trdo, zama\u0161ek nekoliko izstopa ali steklenica v kartonu pu\u0161\u010da. Ve\u010dino teh te\u017eav je mogo\u010de odkriti v eni uri strukturiranega testiranja, preden se odlo\u010dite za celoten proizvodni tek.<\/p>\n<p>Ta vodnik pojasnjuje, kako preveriti zama\u0161ke roll-on s kroglico iz nerjavnega jekla za steklenice DIN18, v kak\u0161nem zaporedju testirati in kaj zapisati. Namenjen je vodjem proizvodnje in kakovosti v podjetjih za kozmetiko, eteri\u010dna olja in prehranska dopolnila, vendar metoda deluje za vsako polnjenje roll-on.<\/p>\n<h2>Kaj dejansko preizku\u0161ate<\/h2>\n<p>Komplet roll-on za steklenice DIN18 ima tri delovne elemente:<\/p>\n<ul>\n<li><strong>Zama\u0161ek:<\/strong> prozoren zama\u0161ek, ki sede v grlu steklenice in dr\u017ei kroglico.<\/li>\n<li><strong>Kroglica iz nerjavnega jekla:<\/strong> vrteti se mora prosto v svojem le\u017ei\u0161\u010du in enakomerno prevzemati izdelek.<\/li>\n<li><strong>Navojni pokrov\u010dek:<\/strong> pokrov\u010dek iz PP, na voljo v \u010drni ali beli barvi, ki se zapre \u010dez zama\u0161ek.<\/li>\n<\/ul>\n<p>Kompleti, ki jih ponujamo, nimajo za\u0161\u010dite pred odpiranjem (brez jamstva prvega odpiranja). \u010ce va\u0161 izdelek potrebuje vidno potrditev prvega odprtja, to na\u010drtujte posebej, na primer s skr\u010dljivim trakom ali zunanjim tesnilom na embala\u017ei, ali izberite drugo vrsto zapiranja.<\/p>\n<p>Test vklju\u010duje tudi steklenico. Zama\u0161ek, pokrov\u010dek in grlo morajo delovati skupaj, zato vedno preizku\u0161ajte z dejanskimi steklenicami, ki jih boste polnili, ne s podobnim vzorcem.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.packaging.si\/wp-content\/uploads\/2026\/11\/row-of-amber-glass-bottles-ready-for-filling-and-closure-testing-1024x682.jpg\" class=\"attachment-large size-large\" alt=\"Row of amber glass bottles ready for filling and closure testing\" loading=\"lazy\" \/><\/figure>\n<h2>1. korak: Pred vsem drugim preverite izvedbo grla<\/h2>\n<p>DIN18 je obi\u010dajna oznaka za to velikost grla, vendar je steklo oblikovan izdelek in grla se znotraj tolerance razlikujejo. Pred testiranjem preverite, ali so va\u0161e steklenice in zama\u0161ki namenjeni isti izvedbi grla. Na\u0161i <a href=\"https:\/\/www.packaging.si\/sl\/kategorija-izdelka\/steklenicke-za-kapalke-din18-gl18\/\">stekleni\u010dke s kapalko DIN18\/GL18<\/a> so obi\u010dajno ustrezni za zama\u0161ke, opisane tukaj.<\/p>\n<p>\u010ce je mogo\u010de, vzemite vzorec steklenic iz ve\u010d kartonov. \u010ce en karton prihaja iz druga\u010dne serije stekla, boste morebitno razliko zgodaj opazili.<\/p>\n<h2>2. korak: Vizualni pregled delov<\/h2>\n<p>To opravite na \u010disti delovni mizi pod dobro svetlobo, pred polnjenjem.<\/p>\n<ul>\n<li><strong>Vlo\u017eek:<\/strong> preverite, ali so prisotni bliski, praske, nepopolno oblikovani deli ali zamegljena mesta v prozornem telesu. Preverite, ali je le\u017ei\u0161\u010de kroglice \u010disto.<\/li>\n<li><strong>Kroglica:<\/strong> mora biti svetla in brez sledi ali ne\u010disto\u010d. Viden delec na mestu stika bo kon\u010dal na ko\u017ei ali v formulaciji.<\/li>\n<li><strong>Pokrov\u010dek:<\/strong> preverite, ali je barva enotna v celotnem vzorcu. \u010ce uporabljate <a href=\"https:\/\/www.packaging.si\/sl\/trgovina\/deli-in-komponente\/vlozki-guardseal\/roll-on-vlozek-din18-z-jekleno-kroglico-prozornim-vlozkom-in-crnim-pp-pokrovckom-brez-varnostnega-obrocka\/\">razli\u010dico s \u010drnim pokrov\u010dkom iz PP<\/a> ali <a href=\"https:\/\/www.packaging.si\/sl\/trgovina\/deli-in-komponente\/vlozki-guardseal\/roll-on-vlozek-din18-z-jekleno-kroglico-prozornim-vlozkom-in-belim-pp-pokrovckom-brez-varnostnega-obrocka\/\">belo razli\u010dico<\/a>, primerjajte nekaj pokrov\u010dkov drug ob drugem, da odkrijete razlike v odtenku.<\/li>\n<li><strong>Gorlo steklenice:<\/strong> preglejte tesnilno povr\u0161ino, ali so na njej odkru\u0161ki, \u0161ivi ali hrapavost.<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.packaging.si\/wp-content\/uploads\/2026\/11\/quality-inspection-of-small-packaging-parts-on-a-laboratory-bench-1024x682.jpg\" class=\"attachment-large size-large\" alt=\"Quality inspection of small packaging parts on a laboratory bench\" loading=\"lazy\" \/><\/figure>\n<h2>3. korak: Suho prileganje in gibanje kroglice<\/h2>\n<p>Ro\u010dno namestite zama\u0161ek v prazno steklenico in ga nato potisnite do konca. Zabele\u017eite, ali gre notri gladko in se jasno ustavi ali pa potrebuje neobi\u010dajno silo. Nato obrnite steklenico in kroglico zavrtite po ravni, \u010disti povr\u0161ini.<\/p>\n<p>\u017delite, da se kroglica vrti prosto v vseh smereh, brez \u0161kripanja in lepljenja. \u010ce se kroglica vrti le na eni strani, to obi\u010dajno ka\u017ee na ne\u010disto\u010do v le\u017ei\u0161\u010du ali na zama\u0161ek, ki ni popolnoma name\u0161\u010den.<\/p>\n<h2>4. korak: Test polnjenja z dejansko formulo<\/h2>\n<p>Suho prileganje na prazni steklenici pove nekaj o geometriji. \u0160ele polnjenje z dejanskim izdelkom poka\u017ee zmogljivost. Formulacije za roll-on segajo od redkih olj do gostej\u0161ih serumov in gelov, pretok na kroglici pa se med njimi mo\u010dno razlikuje.<\/p>\n<ol>\n<li>Napolnite manj\u0161o serijo do obi\u010dajne vi\u0161ine polnjenja, pri \u010demer pustite prostor nad teko\u010dino, kakr\u0161nega bi uporabili v proizvodnji.<\/li>\n<li>Namestite zama\u0161ke in zaprite pokrov\u010dke enako, kot bo to potekalo na liniji.<\/li>\n<li>Obrnite steklenico in nanesite roll-on na testno povr\u0161ino. Preverite, kako hitro izdelek dose\u017ee kroglico in ali je film enakomeren.<\/li>\n<li>Ve\u010d enot pustite pokon\u010dno, ve\u010d obrnjenih in ve\u010d na boku vsaj 24 ur na vpojnem papirju.<\/li>\n<li>Poi\u0161\u010dite iztekanje ob ramenu zama\u0161ka, pod pokrov\u010dkom in okoli kroglice.<\/li>\n<\/ol>\n<p>V teh testih ohranite formulo nespremenjeno. \u010ce nameravate spremeniti viskoznost, dodati eteri\u010dna olja v ve\u010djem dele\u017eu ali spremeniti nosilno olje, ponovno preizkusite. Nekatere sestavine lahko s\u010dasoma vplivajo na plasti\u010dne dele, zato kratek test ne nadome\u0161\u010da dalj\u0161ega testa stabilnosti z va\u0161im izdelkom.<\/p>\n<h2>5. korak: Prileganje pokrov\u010dka<\/h2>\n<p>Pokrov\u010dek se mora gladko navijati in se zategniti do trdne zaustavitve. Preverite, ali se ne navija navzkri\u017e, ali ne pu\u0161\u010da re\u017ee na spodnjem robu in ali ga ciljni kupec lahko odpre brez orodja. \u010ce uporabljate avtomatsko zapiranje, preizkusne enote pre\u017eenite skozi stroj in jih primerjajte s tistimi, zategnjenimi ro\u010dno. Za pomo\u010d pri izbiri opreme glejte na\u0161 \u010dlanek o polavtomatskih in avtomatskih strojih za zapiranje.<\/p>\n<p>\u010ce v svojem asortimanu uporabljate navojne pokrov\u010dke tudi drugje, si <a href=\"https:\/\/www.packaging.si\/sl\/kategorija-izdelka\/deli-in-komponente\/pokrovcki-fortilock\/\">pokrov\u010dki FortiLock<\/a> si zaslu\u017eijo pregled glede doslednosti med linijami izdelkov.<\/p>\n<h2>Hitra referen\u010dna tabela<\/h2>\n<table>\n<thead>\n<tr>\n<th>Preverjanje<\/th>\n<th>Na kaj paziti<\/th>\n<th>Verjeten vzrok, \u010de ne uspe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Prileganje zama\u0161ka<\/td>\n<td>Sede enakomerno in se jasno ustavi<\/td>\n<td>Odstopanje grla, zama\u0161ek ni poravnan, napa\u010dna izvedba<\/td>\n<\/tr>\n<tr>\n<td>Ball movement<\/td>\n<td>Turns freely in all directions<\/td>\n<td>Debris in seat, incomplete seating<\/td>\n<\/tr>\n<tr>\n<td>Product transfer<\/td>\n<td>Even film, no skipping<\/td>\n<td>Formula too thick, air in the plug area<\/td>\n<\/tr>\n<tr>\n<td>Leak check<\/td>\n<td>Dry paper after 24 hours in all positions<\/td>\n<td>Over-filling, loose cap, damaged neck<\/td>\n<\/tr>\n<tr>\n<td>Cap fit<\/td>\n<td>Smooth thread, no gap<\/td>\n<td>Cross-threading, tightening method<\/td>\n<\/tr>\n<tr>\n<td>Appearance<\/td>\n<td>Consistent color and clarity<\/td>\n<td>Lot-to-lot variation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Nasveti za polnilno linijo<\/h2>\n<ul>\n<li><strong>Do not overfill.<\/strong> The plug displaces liquid when it is pressed in. Leave enough headspace, and test the fill level with the plug fitted.<\/li>\n<li><strong>Keep parts clean and dry.<\/strong> Open cartons only at the line and keep the plugs in their bags until needed.<\/li>\n<li><strong>Press plugs evenly.<\/strong> Uneven pressing is the most common cause of a tilted plug. A simple fixture or press gives more repeatable results than thumb pressure.<\/li>\n<li><strong>Wipe the neck.<\/strong> Residue on the neck or thread can cause sticky caps and slow leaks.<\/li>\n<li><strong>Sample during the run.<\/strong> Pull a few finished units every hour or per pallet layer and repeat the quick fit check.<\/li>\n<\/ul>\n<h2>Kaj zabele\u017eiti<\/h2>\n<p>Write down the bottle lot, the plug and cap lot, the formula and batch, the date, the equipment used and the result of each check. If a problem comes up months later, this record makes it much easier to see whether it was the glass, the closure or the filling method. See also our checklist on DIN18 parts compatibility and our overview of <a href=\"https:\/\/www.packaging.si\/sl\/kategorija-izdelka\/deli-in-komponente\/vlozki-guardseal\/\">GuardSeal plugs<\/a>, which covers the other plug styles we supply.<\/p>\n<h2>When to ask for samples first<\/h2>\n<p>If you are switching bottle supplier, changing formula, or moving from hand filling to a machine, order samples and run the steps above before placing a carton order. It costs little and avoids pallets of unusable stock.<\/p>\n<h2>Pogosta vpra\u0161anja<\/h2>\n<h3>Are these roll-on plugs tamper-evident?<\/h3>\n<p>No. The sets described here use a non-tamper-evident PP cap. If you need tamper evidence, add an outer seal or choose a different closure type.<\/p>\n<h3>Can I use the same plug with different bottle brands?<\/h3>\n<p>Only if the necks are the same DIN18 finish and a fit test passes. Always test with the exact bottle you intend to fill.<\/p>\n<h3>How long should a leak test run?<\/h3>\n<p>At minimum 24 hours in upright, inverted and side positions, using your actual formula. For long shelf-life products, add a longer stability test of your own.<\/p>\n<h3>Which cap color should I choose?<\/h3>\n<p>Choose the color that suits your label and brand. The function is the same, so black and white caps can be tested together as one family.<\/p>\n<p>Ready to test? <a href=\"https:\/\/www.packaging.si\/sl\/trgovina\/\">Brskajte po trgovini<\/a> or contact us to request samples and advice on matching plugs to your DIN18 bottles.<\/p>","protected":false},"excerpt":{"rendered":"<p>A practical checklist for testing steel ball roll-on plugs on DIN18 glass bottles before a production run. It covers fit, ball movement, leak checks, cap seating and filling-line tips.<\/p>","protected":false},"author":1,"featured_media":902547,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[246],"tags":[91033,91094,91087,91132,91130,91131],"class_list":["post-902546","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dropper-bottles","tag-din18","tag-filling-line","tag-incoming-inspection","tag-leak-testing","tag-roll-on-plug","tag-steel-ball-roll-on"],"_links":{"self":[{"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/posts\/902546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/comments?post=902546"}],"version-history":[{"count":1,"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/posts\/902546\/revisions"}],"predecessor-version":[{"id":902550,"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/posts\/902546\/revisions\/902550"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/media\/902547"}],"wp:attachment":[{"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/media?parent=902546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/categories?post=902546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.packaging.si\/sl\/wp-json\/wp\/v2\/tags?post=902546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}