{"id":26741,"date":"2020-04-08T16:50:49","date_gmt":"2020-04-08T20:50:49","guid":{"rendered":"https:\/\/dyzedesign.com\/?p=26741"},"modified":"2020-04-09T15:10:31","modified_gmt":"2020-04-09T19:10:31","slug":"spiral-heaters-are-the-next-step-in-3d-printing","status":"publish","type":"post","link":"https:\/\/dyzedesign.com\/fr\/2020\/04\/spiral-heaters-are-the-next-step-in-3d-printing\/","title":{"rendered":"Spiral Heaters are the Next Step in 3D Printing"},"content":{"rendered":"\n<p>A new generation of 3D printer heaters, spiral heaters, is expected to be used more and more in 3D printing in the coming years as they offer better control and consistency. Let&rsquo;s see why spiral heaters are meant to be the next big thing by going over the history of hotends and heating cartridges.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A bit of history<\/h2>\n\n\n\n<p>3D printer hotend has come a long way. Starting with the first design from Adrian Bowyer, then to the very famous J-Head, things have changed and improved over each new generation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">NiChrome wire<\/h3>\n\n\n\n<p>If you check back in 2007, the Darwin 3D print was one of the first. Created by Adrian Bowyer, it uses the \u201cThermoplast Extruder\u201d, one of the first, most effective, and simplest hotend.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/reprap.org\/mediawiki\/images\/thumb\/7\/75\/ThermoplastExtruder_2_0-working-small.jpg\/464px-ThermoplastExtruder_2_0-working-small.jpg\" alt=\"\" width=\"460\"\/><figcaption> Thermoplast Extruder. Mounted electronics, PTFE hotend, direct drive, this extrusion system is the mother of all<\/figcaption><\/figure><\/div>\n\n\n\n<p>By looking at the heater section, you\u2019ll realize that this hotend uses a NiChrome wire. It\u2019s a resistive wire very commonly used in heating elements. It\u2019s a very efficient and reliable solution, as the purpose of Nichrome is to heat, and its maximum operating temperature is way beyond what we use in 3D printing.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/reprap.org\/mediawiki\/images\/a\/ad\/ThermoplastExtruder_2_0-wound-heater.jpg\" alt=\"\" width=\"460\"\/><figcaption> The Thermoplast hotend wrapped with NiChrome<\/figcaption><\/figure><\/div>\n\n\n\n<p>If you look closely, you can see yellow fibreglass insulation on the heating wire. Other hotends with similar designs used bare Nichrome wire. Extra care was needed as shorts with the wire could make the hotend not usable. More insulating and planning was required with bare wire.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The High Temperature Resistor<\/h3>\n\n\n\n<p>The J-Head has been one of the most popular hotend. It\u2019s well designed, easy to use, and performs incredibly well. It\u2019s one of the first hotend to use PEEK as its main material. The machining complexity and number of components were kept at a minimum. The model you might have seen is the J-Head Mark V-B, with brass heater block and grooved PEEK body.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/reprap.org\/mediawiki\/images\/thumb\/c\/ce\/Jhn_mk5b.jpg\/631px-Jhn_mk5b.jpg\" alt=\"\" width=\"460\"\/><figcaption> J-Head Mark V-B<\/figcaption><\/figure><\/div>\n\n\n\n<p>This design uses a Riedon resistor. The specs are 5.6&nbsp;\u03a9, with a maximum dissipation of 5&nbsp;W. The maximum rated temperature is 250&nbsp;\u00b0C, which is good for printing most polymers. The maximum temperature right might not be well adapted for our application, however, as the data sheet suggest lowering the power to 0% at this temperature:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/OlAb-PAbkbwir8PWzmJ_7B23i-mIhE5-N__7fSJjoe0FX8vGn0cjqGNf12XKtIq0wyRXB26q-CCuqmjfpTwK0mhxrvCybbgNoxSBKf-tsd03LHNY8-nJKjsHFMFLqfj81gRqyPM\" alt=\"\" width=\"460\"\/><figcaption> Riedon UB Series power derating curve<\/figcaption><\/figure><\/div>\n\n\n\n<p>The big improvement of using a high temperature resistor is that you could assemble it in a few minutes, and change it in about the same amount of time if it fails. Kapton tape was most often used to hold the resistor in place, which made it simple for anybody to use.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Heater Cartridge<\/h3>\n\n\n\n<p>Around 2012, we started seeing more and more heater cartridges in 3D printers. For example, the delta 3D printer&nbsp;BerryBot3D included them with their hotend.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/dyzedesign.com\/wp-content\/uploads\/2020\/04\/berrybot.jpg\" alt=\"\" class=\"wp-image-26764\" width=\"460\" srcset=\"\/cdn-cgi\/image\/quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2020\/04\/berrybot.jpg 510w, \/cdn-cgi\/image\/width=199,height=300,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2020\/04\/berrybot.jpg 199w, \/cdn-cgi\/image\/width=100,height=150,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2020\/04\/berrybot.jpg 100w, \/cdn-cgi\/image\/width=97,height=146,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2020\/04\/berrybot.jpg 97w, \/cdn-cgi\/image\/width=33,height=50,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2020\/04\/berrybot.jpg 33w, \/cdn-cgi\/image\/width=50,height=75,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2020\/04\/berrybot.jpg 50w\" sizes=\"(max-width:767px) 480px, 510px\" \/><figcaption> The BerryBot3D with a heater cartridge<\/figcaption><\/figure><\/div>\n\n\n\n<p>These cartridges were well adapted for the situation. The inside contains a heating wire, insulating ceramic, and the housing is in steel. It\u2019s a self-contained heater available is roughly the same format as the heating resistor. People started swapping their J-Head resistor with this heater cartridge.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/dyzedesign.com\/wp-content\/uploads\/2020\/04\/cart_img_e.gif\" alt=\"\" class=\"wp-image-26760\" width=\"460\"\/><figcaption>  Inside a heater cartridge<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">The need for improvement<\/h2>\n\n\n\n<p>All the previous had their strengths and weaknesses. But each of them was an improvement over the previous solution.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>NiChrome wire<ul><li>\ud83d\udc4d Designed for heating<\/li><\/ul><ul><li>\ud83d\udc4d Powerful<\/li><li>\ud83d\udc4d Cost effective<\/li><li>\ud83d\udc4e Complicated to install<\/li><li>\ud83d\udc4e Required putty<\/li><li>\ud83d\udc4e Risk of shorts<\/li><\/ul><\/li><li>Resistor<ul><li>\ud83d\udc4d Simple to install<\/li><li>\ud83d\udc4d Cost effective<\/li><li>\ud83d\udc4e Limited in power<\/li><li>\ud83d\udc4e Limited in durability<\/li><\/ul><\/li><li>Heater cartridges<ul><li>\ud83d\udc4d Simple to install<\/li><li>\ud83d\udc4d Powerful<\/li><li>\ud83d\udc4e Costly<\/li><\/ul><\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Manufacturing challenge<\/h3>\n\n\n\n<p>The simplicity offered by the resistor and the heater cartridge led to the heater block. The heater block is a thermally conductive piece made from aluminum, copper, brass or steel designed to transfer the heat from the heater cartridge to the nozzle, to the polymer.<\/p>\n\n\n\n<p>We\u2019ve seen quite a lot of different designs over the years, with the heater in either a parallel direction or perpendicular. Same for the holding methods: Slot, threads for set screw, press-fit, etc.<\/p>\n\n\n\n<p>As you can guess, these constraints can make a simple part more and more complicated. The costs will be directly proportional to this level of complexity.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/dyzedesign.com\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg\" alt=\"\" class=\"wp-image-5299\" width=\"460\" srcset=\"\/cdn-cgi\/image\/quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 1000w, \/cdn-cgi\/image\/width=800,height=800,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 800w, \/cdn-cgi\/image\/width=300,height=300,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 300w, \/cdn-cgi\/image\/width=150,height=150,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 150w, \/cdn-cgi\/image\/width=768,height=768,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 768w, \/cdn-cgi\/image\/width=600,height=600,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 600w, \/cdn-cgi\/image\/width=146,height=146,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 146w, \/cdn-cgi\/image\/width=50,height=50,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 50w, \/cdn-cgi\/image\/width=75,height=75,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 75w, \/cdn-cgi\/image\/width=85,height=85,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 85w, \/cdn-cgi\/image\/width=80,height=80,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2017\/08\/High-Temperature-Heat-Block.jpg 80w\" sizes=\"(max-width:767px) 480px, (max-width:1000px) 100vw, 1000px\" \/><figcaption> DyzEnd Pro heat block shows quite a lot of machining and setups to accommodate the heater cartridge<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Temperature uniformity<\/h3>\n\n\n\n<p>Another weakness is the temperature uniformity. By considering the entering material as a cold material absorbing heat from the center, having a heater on the side only is suboptimal. The further you\u2019ll get away from the heater, the colder it will be. Consider a quick analysis with the following parameters:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>input polymer (PET) at 35&nbsp;\u00b0C at 5&nbsp;mm<sup>3<\/sup>\/s<\/li><li>20W heater<\/li><li>5&nbsp;mm\/s wind in one direction (like if the head was printing slowly)<\/li><\/ul>\n\n\n\n<p>Adjusting the temperature graph from 245&nbsp;\u00b0C to 255&nbsp;\u00b0C, you can see how the top region, the right section away from the heater, and the nozzle are much colder than the heater.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/GjRgRDusfY-P1Xhyprc-5B0MvTUeu1ekyA7Kc9kQTsxEmQ8lXvkCwY5Zuxx38A69NB8Zcl7vEJ0QXAuAN5IdwyDa8lH154PYqpLMuHdfirU6p5METr_w-yk9hSTcunQ2Z0-VUC0\" alt=\"\" width=\"460\"\/><figcaption> Simulation of a typical 3D printer hotend extruding at 5&nbsp;mm<sup>3<\/sup>\/s<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">The new solution<\/h2>\n\n\n\n<p>Temperature uniformity is critical for printing accurately. Printing too hot, the polymer will degrade, printing too cold, the filament might be very hard to extrude. Having a 10&nbsp;\u00b0C gradient over a small 15&nbsp;mm melted length can be problematic. This temperature gap will increase a lot more over high temperature polymers such as PEI and PEEK.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cylindrical Melting Zone<\/h3>\n\n\n\n<p>Since the development of our new high flow extruder (<a href=\"https:\/\/dyzedesign.com\/typhoon-extruder\/\">Typhoon<\/a>) and our pellet extruder (<a href=\"https:\/\/dyzedesign.com\/pulsar-pellet-extruder\/\">Pulsar<\/a>), we decided to shift our new design toward a more logical melting zone shape. Since the polymer follows a round hole, why not make the heated block a heated cylinder? By using this design, the heat travels naturally toward the center, when the filament absorbs it. The distance between the heater and the polymer is always the same, ensuring maximum uniformity across the melting length.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/dyzedesign.com\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break-1024x683.jpg\" alt=\"Typhoon Extruder Heat Transition Tube\" class=\"wp-image-18729\" width=\"460\" srcset=\"\/cdn-cgi\/image\/width=1024,height=683,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 1024w, \/cdn-cgi\/image\/width=800,height=533,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 800w, \/cdn-cgi\/image\/width=150,height=100,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 150w, \/cdn-cgi\/image\/width=300,height=200,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 300w, \/cdn-cgi\/image\/width=768,height=512,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 768w, \/cdn-cgi\/image\/width=219,height=146,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 219w, \/cdn-cgi\/image\/width=50,height=33,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 50w, \/cdn-cgi\/image\/width=113,height=75,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 113w, \/cdn-cgi\/image\/width=600,height=400,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 600w, \/cdn-cgi\/image\/quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Break.jpg 1920w\" sizes=\"(max-width:767px) 480px, (max-width:1024px) 100vw, 1024px\" \/><figcaption> Cylindrical melting zone from the Typhoon<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Spiral heater<\/h3>\n\n\n\n<p>The cylindrical melting zone also requires a new type of heater. Luckily for us, there are plenty of options for high temperature tube heating.<\/p>\n\n\n\n<p>We ended up choosing the spiral heater type. It\u2019s simple to customize, which allows us to choose the optimal shape and form factor for our application. By choosing the right number of turns, spacing, and power density, we managed to optimize the heater to get an even heating region through our long melting zones.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/dyzedesign.com\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube-1024x683.jpg\" alt=\"Dual Heat Zone on the Typhoon Industrial Extruder\" class=\"wp-image-18727\" width=\"460\" srcset=\"\/cdn-cgi\/image\/width=1024,height=683,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 1024w, \/cdn-cgi\/image\/width=800,height=533,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 800w, \/cdn-cgi\/image\/width=150,height=100,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 150w, \/cdn-cgi\/image\/width=300,height=200,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 300w, \/cdn-cgi\/image\/width=768,height=512,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 768w, \/cdn-cgi\/image\/width=219,height=146,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 219w, \/cdn-cgi\/image\/width=50,height=33,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 50w, \/cdn-cgi\/image\/width=113,height=75,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 113w, \/cdn-cgi\/image\/width=600,height=400,fit=crop,quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 600w, \/cdn-cgi\/image\/quality=80,format=auto,onerror=redirect,metadata=none\/wp-content\/uploads\/2019\/08\/Typhoon-Heat-Tube.jpg 1920w\" sizes=\"(max-width:767px) 480px, (max-width:1024px) 100vw, 1024px\" \/><figcaption> The Typhoon heater showing two spiral heaters around the cylindrical melting zone<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Multiple heaters<\/h3>\n\n\n\n<p>The extra long melting zone required for high flow has some new challenges. As you\u2019ve seen previously, the 10&nbsp;\u00b0C delta on a 15&nbsp;mm length can quickly get worse over more than 100&nbsp;mm. The picture below shows a single heater acting on the body when extruding 200&nbsp;mm<sup>3<\/sup> of PET per hour. The temperature difference is critical, ranging from 150&nbsp;\u00b0C to 250&nbsp;\u00b0C.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/tn19pSEFAKk8WNEks3-1si6213OjnaBDFQAbdDUNN1y2zlmGnHygZlz79KAT5VYHEkCt6L7dQlD14AUNM1MQble457nmI0ev0HuQmGTOh2jleGH4B7dwDgurlKrXgjxyf7SnLIE\" alt=\"\" width=\"460\"\/><figcaption> Single heating zone<\/figcaption><\/figure><\/div>\n\n\n\n<p>After running optimizations, you can keep the temperature with a much narrower temperature gap, perfect for printing consistently.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/SBRuRzmbouu9Z2eOr7TWG6T6LRMcj3CJN2rasGK8YNz4hfH4KVCHevdAvaIXA71oGSmaV_UMKiDuTnD7B1i16pM_xvISozjYgWfoK4oYJwx6DUuYXlLfL5au0lcgvWzp5jz15XA\" alt=\"\" width=\"460\"\/><figcaption> Optimized dual heating zones<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">In summary<\/h2>\n\n\n\n<p>We\u2019ve seen how 3D printers have evolved over the years, from the NiChrome wire in putty to the heater cartridge. The big temperature difference through the heater blocks showed a clear need for improvement. This is where the cylindrical heaters and spiral heater come: better temperature uniformity, better power distribution, simplified machining.<br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>3D printer heaters have evolved over the years, from the NiChrome wire in putty to the heater cartridge. Today, a new generation of heaters has emerged: Spiral heaters, which offers better control and better uniformity.<\/p>\n","protected":false},"author":6,"featured_media":16028,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[180],"tags":[],"class_list":["post-26741","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learning-tips"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Spiral Heaters are the Next Step in 3D Printing - DYZE DESIGN<\/title>\n<meta name=\"description\" content=\"3D printer heaters have evolved, from the NiChrome wire in putty to the heater cartridges. Today, Spiral heaters offers better control and uniformity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dyzedesign.com\/2020\/04\/spiral-heaters-are-the-next-step-in-3d-printing\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spiral Heaters are the Next Step in 3D Printing - DYZE DESIGN\" \/>\n<meta property=\"og:description\" content=\"3D printer heaters have evolved, from the NiChrome wire in putty to the heater cartridges. 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