{"id":12598,"date":"2024-04-08T11:42:42","date_gmt":"2024-04-08T10:42:42","guid":{"rendered":"https:\/\/www.palpack.co.uk\/?p=12598"},"modified":"2024-04-08T11:42:42","modified_gmt":"2024-04-08T10:42:42","slug":"choosing-the-right-sack-filling-machine","status":"publish","type":"post","link":"https:\/\/www.palpack.co.uk\/news\/choosing-the-right-sack-filling-machine\/","title":{"rendered":"Choosing the right sack-filling machine: VFFS or pre-made bags"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]Sack-filling machines are a popular addition to manufacturing operations due to their ability to improve efficiency and productivity. By filling bags and sacks automatically, throughput is faster, products are more consistent, and there is less waste.<\/p>\n<p><!--more--><\/p>\n<p>But all sack-filling machines are not the same and, in this blog, we look at two of the most popular types, VFFS (Vertical Form Fill Seal) and pre-made sack filling, and examine the advantages of each.<\/p>\n<h2>What is a sack-filling machine?<\/h2>\n<p>A sack-filling machine does what it says on the tin: it fills sacks or bags. Different machines do this in different ways depending on the type of material being used, how the bag is being sealed and what\u2019s inside it.<\/p>\n<p>Regardless of these variables, however, there are always three key steps to filling a bag:<\/p>\n<ol>\n<li>Preparing the bag<\/li>\n<li>Filling the bag<\/li>\n<li>Removing the bag ready for onward storage or transportation<\/li>\n<\/ol>\n<p>Now let\u2019s look at how some of the machines we supply tackle these steps.<\/p>\n<h2>VFFS sack-filling machines<\/h2>\n<p>A Vertical Form, Fill, Seal machine makes, fills and seals bags all on the same machine. This makes them extremely efficient \u2013 up to 1,500 bags can be made and filled every hour and the operation can be left unattended, allowing thousands of bags to be made and filled automatically.<\/p>\n<p>The bags are made from a flat sheet of plastic which is shaped to create the required size packages. Plastic film is wrapped around a forming tube which heats up and seals the plastic at the back of the bag. Product is then dispensed into the bag, after which heat is used again to seal the top of that bag and the bottom of the next one at the same time.<\/p>\n<p>This method means the bags can only be made from a material which can be heat sealed, such as polythene or paper with a plastic coating inside, and therefore they\u2019re not suitable for all products. Powders such as concrete or flour need to be in breathable packaging, otherwise they\u2019ll react to any moisture present and set, and some foodstuffs which need to be airtight can\u2019t be packaged using a VFFS machine because the gas used to expel the air isn\u2019t compliant with all foods. It\u2019s also more difficult to recycle these types of bags.<\/p>\n<p>Nevertheless, VFFS is especially popular for smaller bags of 1 \u2013 25kg, containing dry snacks, aggregates, pet food and other non-reactive goods.[\/vc_column_text][vc_btn title=\u201dSee the VFFS machine in action\u201d link=\u201durl:https%3A%2F%2Fyoutu.be%2FYSJ5PNsC6go|target:_blank\u201d][vc_column_text]<\/p>\n<h2>Pre-made sack-filling machines<\/h2>\n<p>Pre-made sack-filling machines use pre-made bags which are picked from a magazine using a vacuum. This means the bags can be any material the vacuum can lift, but are commonly paper, making them easily recycled.<\/p>\n<p>There are two main types of bags:<\/p>\n<ul>\n<li><strong>Open mouth sacks<\/strong><\/li>\n<\/ul>\n<p>These are automatically stitched or sealed closed when full.<\/p>\n<ul>\n<li><strong>Valve sacks<\/strong><\/li>\n<\/ul>\n<p>These are filled via a valve formed into the bag, at the point of manufacture, which is sealed when the bag is full, making the package airtight.<\/p>\n<p>Pre-made bags are not only a better choice for certain products and the planet, as discussed earlier, but can use their existing bags, which already have their original artwork, without the need for any changes or new stock of bags needed. Whilst VFFS bags can be printed, but in doing so, can almost double the price of clear polythene, making it an expensive option.<\/p>\n<p>The Futura range of sack fillers, from Technipes can handle pre-made bags of 10 \u2013 50kg and fill up to 600 bags per hour.[\/vc_column_text][vc_btn title=\u201dWatch the Futura at work\u201d link=\u201durl:https%3A%2F%2Fyoutu.be%2Fmijzs9TiOnc|target:_blank\u201d][vc_column_text]<\/p>\n<h2>Comparison of the VFFS and pre-made sack-filling machines<\/h2>\n<p>[\/vc_column_text][vc_single_image image=\u201d12604\u2033 img_size=\u201dfull\u201d][vc_column_text]<\/p>\n<h2>How to choose a sack-filling machine<\/h2>\n<p>Both VFFS and pre-made sack-filling machines bring advantages and each has its place on the factory shopfloor \u2013 it can even be possible to have both, used for different products.<\/p>\n<p>Whether throughput, weight capacity or bag material is the primary factor, we can work with you to find the right machine to meet your needs and ensure installation is smooth and hassle-free.[\/vc_column_text][vc_btn title=\u201dContact PALpack for more information\u201d link=\u201durl:https%3A%2F%2Fwww.palpack.co.uk%2Fcontact-us%2F|title:Contact%20Us\u201d][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text]Sack-filling machines are a popular addition to manufacturing operations due to their ability to improve efficiency and productivity. By filling bags and sacks automatically, throughput is faster, products are more consistent, and there is less waste.<\/p>\n","protected":false},"author":1,"featured_media":12599,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-12598","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sack-filling"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Choosing the right sack-filling machine: VFFS or pre-made bags | PALpack<\/title>\n<meta name=\"description\" content=\"Two of the most popular types of sack filling machine are VFFS (Vertical Form Fill Seal) and pre-made sack filling. Each has their advantages.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.palpack.co.uk\/news\/choosing-the-right-sack-filling-machine\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Choosing the right sack-filling machine: VFFS or pre-made bags | PALpack\" \/>\n<meta property=\"og:description\" content=\"Two of the most popular types of sack filling machine are VFFS (Vertical Form Fill Seal) and pre-made sack filling. 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