{"id":69536,"date":"2022-04-20T13:56:13","date_gmt":"2022-04-20T10:56:13","guid":{"rendered":"https:\/\/muovia.com\/?post_type=tyostopalvelu&p=69536"},"modified":"2022-04-25T12:19:48","modified_gmt":"2022-04-25T09:19:48","slug":"termoformning","status":"publish","type":"tyostopalvelu","link":"https:\/\/muovia.com\/sv\/bearbetningsservice\/termoformning\/","title":{"rendered":"Termoformning av plast"},"content":{"rendered":"\n

Termoformning av plast<\/h1>\n\n\n\n

Genom termoformning kan plastskivor bockas eller ges flerdimensionella former. <\/strong>Bockning kan till exempel g\u00f6ras med en tr\u00e5dv\u00e4rmare, men f\u00f6r flerdimensionella detaljer beh\u00f6vs i allm\u00e4nhet en form och materialet v\u00e4rms i en ugn. <\/p>\n\n\n\n

Genom termoformning och bockning har vi tillverkat bland annat vindrutor f\u00f6r b\u00e5tar och b\u00e5tf\u00f6nster.<\/a><\/p>\n\n\n\n

Valet av bearbetningss\u00e4tt och material beror p\u00e5 vilka egenskaper man vill att den f\u00e4rdiga produkten ska ha<\/strong>. Valet p\u00e5verkas ocks\u00e5 av produktens m\u00e5tt, form och seriestorlek. <\/p>\n\n\n\n

\n
\"Varmb\u00f6jd
H\u00e5llare till hundsk\u00e5l<\/figcaption><\/figure>\n\n\n\n
\"Varmb\u00f6jd
Vindruta till b\u00e5t<\/figcaption><\/figure>\n<\/figure>\n\n\n\n

Termoformning av plast i ugn och vakuumformning<\/h2>\n\n\n\n

Termo- och<\/strong> vakuumformning \u00e4r metoder d\u00e4r det kr\u00e4vs en form. <\/strong>Formen \u00f6kar startkostnaden, men det \u00e4r \u00e4nd\u00e5 klart billigare att tillverka en s\u00e5dan \u00e4n de formar som anv\u00e4nds vid formsprutning.<\/p>\n\n\n\n

Vid termoformning v\u00e4rms plastskivan i ugn och formas och kyls p\u00e5 formen. P\u00e5 det s\u00e4ttet kan man forma enstaka exemplar eller sm\u00e5 serier. <\/p>\n\n\n\n

Vid vakuumformning v\u00e4rms plastskivan och sugs med hj\u00e4lp av undertryck mot formens yta s\u00e5 att formens utseende kopieras till skivan. P\u00e5 det s\u00e4ttet kan \u00e4ven mycket komplicerade former skapas.   <\/p>\n\n\n\n

Ett material som \u00e4r s\u00e4rskilt v\u00e4l l\u00e4mpat f\u00f6r termo- och vakuumformning \u00e4r det glasklara PETG<\/a>. Av de klara plasterna l\u00e4mpar sig ocks\u00e5 akrylplast (dvs. plexiglas<\/a>) f\u00f6r formning, \u00e4ven polykarbonat (PC)<\/a> anv\u00e4nds i n\u00e5gon m\u00e5n. Bland basplasterna \u00e4r ABS<\/a>, polystyren (PS)<\/a> och polypropen (PP)<\/a> bra material f\u00f6r termo- och vakuumformning.<\/p>\n\n\n\n

\"Vakuumformad
T\u00e5rtkupa<\/figcaption><\/figure><\/div>\n\n\n\n

Varmbockning av plast<\/h2>\n\n\n\n

Vid varmbockning v\u00e4rms ett specifikt omr\u00e5de av plastskivan med till exempel en varmluftsbl\u00e5sare eller tr\u00e5dv\u00e4rmare s\u00e5 att den blir b\u00f6jlig. S\u00e5 g\u00f6rs enkla vinklar och b\u00e5gar.<\/p>\n\n\n\n

I stort sett samma material l\u00e4mpar sig f\u00f6r varmbockning som termoformning. <\/p>\n\n\n\n

Av de klara plasterna kan akrylplast<\/a> (dvs. plexiglas) endast bockas med v\u00e4rme, eftersom den spricker vid kallbockning. Efter bockning h\u00e5ller den formen v\u00e4l. Det g\u00e5r att varmbocka polykarbonat<\/a>, men om bockningslinjen \u00e4r mycket l\u00e5ng kan detaljen vrida sig. <\/p>\n\n\n\n

\n
\"Varmb\u00f6jd<\/figure>\n\n\n\n
\"H\u00e4ngare<\/figure>\n<\/figure>\n\n\n\n

PETG<\/a> \u00e4r ett utomordentligt material f\u00f6r termoformning s\u00e5 det l\u00e4mpar sig ocks\u00e5 v\u00e4l f\u00f6r varmbockning och det \u00e4r m\u00f6jligt att g\u00f6ra s\u00e5v\u00e4l skarpa vinklar som b\u00e5gar. Bockningspunkten h\u00e5ller formen v\u00e4l. <\/p>\n\n\n\n

Alla polyetener (PE 300<\/a>\/500<\/a>\/1000<\/a>) beter sig lika vid bearbetning och l\u00e4mpar sig v\u00e4l f\u00f6r varmbockning. Materialet str\u00e4var dock efter att r\u00e4ta ut sig, s\u00e5 det b\u00f6r f\u00e4stas mekaniskt efter bockning.<\/p>\n\n\n\n

Polypropen (PP)<\/a> g\u00e5r bra att varmbocka, men den str\u00e4var efter att r\u00e4ta ut sig p\u00e5 samma s\u00e4tt som polyetenerna.  PP-plast ska allts\u00e5 ocks\u00e5 f\u00e4stas mekaniskt efter bockning. Det g\u00e5r bra att varmbocka ABS plast<\/a> och polystyren (PS)<\/a> och de beh\u00e5ller sin form efter bockning. <\/p>\n\n\n\n

\n\n\n\n

Om du har fr\u00e5gor om termoformning eller varmbockning av plast, kontakta v\u00e5r kundtj\u00e4nst. Vi hj\u00e4lper dig att hitta det b\u00e4sta materialet och den b\u00e4sta bearbetningsmetoden.<\/p>\n\n\n\n

\n
Kontakta oss<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Termoformning av plast Genom termoformning kan plastskivor bockas eller ges flerdimensionella former. Bockning kan till exempel g\u00f6ras med en tr\u00e5dv\u00e4rmare, men f\u00f6r flerdimensionella detaljer beh\u00f6vs i allm\u00e4nhet en form och […]<\/p>\n","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"42752,42374,43284,43998,62603,42419","_relevanssi_noindex_reason":"","footnotes":""},"class_list":["post-69536","tyostopalvelu","type-tyostopalvelu","status-publish","hentry"],"acf":[],"yoast_head":"\nTermoformning av plast - Muovia.com<\/title>\n<meta name=\"description\" content=\"Genom termoformning kan plaster ges flerdimensionella former eller enkla bockningar. 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