{"id":4866,"date":"2017-01-24T15:55:48","date_gmt":"2017-01-24T13:55:48","guid":{"rendered":"https:\/\/www.glastory.net\/?p=4866"},"modified":"2023-01-19T14:15:47","modified_gmt":"2023-01-19T12:15:47","slug":"should-large-glasses-be-positioned-horizontally-or-vertically","status":"publish","type":"post","link":"https:\/\/www.glastory.net\/fi\/should-large-glasses-be-positioned-horizontally-or-vertically\/","title":{"rendered":"#AskGlaston Episode 26: Should large glasses be positioned horizontally or vertically on the loading bed?"},"content":{"rendered":"<p>This week, we\u2019re dealing with the following questions:<\/p>\n<p>1. I&#8217;m operating a Cooltemper furnace. When I&#8217;m processing large pieces of soft-coated and clear glass on the loading bed, should I position the glasses horizontally or vertically?\u00a0Could you also suggest some heating and cooling times for the glasses?<br \/>\n2. What are quench marks and how can we reduce them?<\/p>\n<p>For this week\u2019s questions, see our full video response below!<br \/>\nAs always, remember to learn, share and succeed!<\/p>\n<p><iframe loading=\"lazy\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/VSK8gN5IXY8?feature=oembed\" frameborder=\"0\" class=\"lazyload\" allowfullscreen><\/iframe><\/p>\n<h4>I&#8217;m operating a Cooltemper furnace. When I&#8217;m processing large pieces of soft-coated and clear glass on the loading bed, should I position the glasses horizontally or vertically?<br \/>\nCould you also suggest some heating and cooling times for the glasses?<\/h4>\n<p>If your process settings are not perfect and if the machine condition and its performance isn&#8217;t high enough, then it&#8217;s very\u00a0likely that you get roller wave on the glass. In that case, it&#8217;s best if you process the glasses so that you get the roller wave\u00a0or other defects horizontal on the glass when it&#8217;s installed.<\/p>\n<p>Regarding the heating and cooling times, those depend on furnace model, its settings, loading pattern and glass type. \u00a0Therefore, it&#8217;s not possible to give universal figures for the heating\/cooling times \u2013 those have to be optimized case by case.<\/p>\n<h4>What are quench marks and how can we reduce them?<\/h4>\n<p>Quench marks are actually the same as anisotropy. This beloved child has many names \u2013 it is also called stress pattern or iridescence. So, we&#8217;re talking about the same phenomenon which is caused by differences either in heating or cooling. There are some excellent <a href=\"https:\/\/www.glastory.net\/fi\/taking-control-anisotropy\/\" target=\"_blank\" rel=\"noopener noreferrer\">articles<\/a> and <a href=\"http:\/\/www2.glaston.net\/l\/168272\/2016-06-22\/2bshm\" target=\"_blank\" rel=\"noopener noreferrer\">presentations<\/a> here in Glastory. So if you&#8217;re interested to know more about quench marks, you can\u00a0find a lot of useful information from our resources about this phenomenon\u00a0as also about the ways\u00a0of minimizing it.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This week, we\u2019re dealing with the following questions: 1. I&#8217;m operating a Cooltemper furnace. When I&#8217;m processing large pieces of soft-coated and clear glass on the loading bed, should I position the glasses horizontally or vertically?\u00a0Could you also suggest some heating and cooling times for the glasses? 2. What are quench marks and how can [&hellip;]<\/p>\n","protected":false},"author":78,"featured_media":4868,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[1],"tags":[9,6,102,81,190],"acf":[],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>#AskGlaston Episode 26: Should large glasses be positioned horizontally or vertically on the loading bed? &ndash; Glastory<\/title>\n<meta name=\"description\" content=\"This week&#039;s AskGlaston questions: Should large glasses be positioned horizontally or vertically on the loading bed? 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What are quench marks &amp; how to reduce them?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.glastory.net\/should-large-glasses-be-positioned-horizontally-or-vertically\/\" \/>\n<meta property=\"og:site_name\" content=\"Glastory\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/GlastonCorporation\" \/>\n<meta property=\"article:published_time\" content=\"2017-01-24T13:55:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-19T12:15:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.glastory.net\/wp-content\/uploads\/2017\/01\/AnnaHolmqvist_EP26-e1485265362156.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"597\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Anna Holmqvist\" \/>\n<meta name=\"twitter:label1\" content=\"Kirjoittanut\" \/>\n\t<meta name=\"twitter:data1\" content=\"Anna Holmqvist\" \/>\n\t<meta name=\"twitter:label2\" content=\"Arvioitu lukuaika\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.glastory.net\/#organization\",\"name\":\"Glastory\",\"url\":\"https:\/\/www.glastory.net\/\",\"sameAs\":[\"https:\/\/www.youtube.com\/user\/GlastonCorporation\",\"https:\/\/www.instagram.com\/glastoncorp\/\",\"https:\/\/www.linkedin.com\/company\/107541\/\",\"https:\/\/www.facebook.com\/GlastonCorporation\",\"https:\/\/twitter.com\/GlastonCorp\"],\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fi\",\"@id\":\"https:\/\/www.glastory.net\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.glastory.net\/wp-content\/uploads\/2022\/11\/Glastory_Logo_Final_color.png\",\"contentUrl\":\"https:\/\/www.glastory.net\/wp-content\/uploads\/2022\/11\/Glastory_Logo_Final_color.png\",\"width\":2402,\"height\":1717,\"caption\":\"Glastory\"},\"image\":{\"@id\":\"https:\/\/www.glastory.net\/#\/schema\/logo\/image\/\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.glastory.net\/#website\",\"url\":\"https:\/\/www.glastory.net\/\",\"name\":\"Glastory\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.glastory.net\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.glastory.net\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.glastory.net\/should-large-glasses-be-positioned-horizontally-or-vertically\/\",\"url\":\"https:\/\/www.glastory.net\/should-large-glasses-be-positioned-horizontally-or-vertically\/\",\"name\":\"#AskGlaston Episode 26: Should large glasses be positioned horizontally or vertically on the loading bed? &ndash; Glastory\",\"isPartOf\":{\"@id\":\"https:\/\/www.glastory.net\/#website\"},\"datePublished\":\"2017-01-24T13:55:48+00:00\",\"dateModified\":\"2023-01-19T12:15:47+00:00\",\"description\":\"This week's AskGlaston questions: Should large glasses be positioned horizontally or vertically on the loading bed? 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