{"id":3250,"date":"2024-06-13T15:11:00","date_gmt":"2024-06-13T15:11:00","guid":{"rendered":"http:\/\/tetravision.be\/case\/ct-scan-van-een-plastic-speelgoedauto\/"},"modified":"2026-02-13T15:29:10","modified_gmt":"2026-02-13T15:29:10","slug":"ct-scan-of-a-plastic-toy-car","status":"publish","type":"case","link":"https:\/\/tetravision.be\/en\/case\/ct-scan-of-a-plastic-toy-car\/","title":{"rendered":"CT-Scan of a plastic toy car"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Digitised using Industrial CT Technoly<\/h3>\n\n\n\n<p>Although it is a toy, it\u2019s still a very good example of what can be achieved with CT scanning in general. The same goes for more high-end industrial plastic samples for the automotive or medical industry for example.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-inner-structure-1-1.avif\"><img fetchpriority=\"high\" decoding=\"async\" width=\"788\" height=\"824\" src=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-inner-structure-1-1.avif\" alt=\"\" class=\"wp-image-2323\" srcset=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-inner-structure-1-1.avif 788w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-inner-structure-1-1-287x300.avif 287w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-inner-structure-1-1-768x803.avif 768w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-inner-structure-1-1-622x650.avif 622w\" sizes=\"(max-width: 788px) 100vw, 788px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Process: step by step<\/h3>\n\n\n\n<p><strong>Process<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Design a lightweight fixture out of foam to hold the part in place during the CT scan.<br>This needs to be stable enough so that there is no movement of the part, but it also needs to be very lightweight so that there is still good contrast with the plastic material of the part.<\/li>\n\n\n\n<li>Define the optimal CT settings and zoom range (voxel size).<\/li>\n\n\n\n<li>Let the scanner do the work and scan the part.<\/li>\n<\/ul>\n\n\n\n<p>Technology<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ZEISS Metrotom 6 scout<\/strong><\/li>\n\n\n\n<li><strong>GOM Volume Inspect Pro<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>Post-processing<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The volume of the CT scan is polygonised (surface determination) to a triangular mesh.<\/li>\n\n\n\n<li>This mesh is then thinned a bit to reduce the size of the data.<\/li>\n\n\n\n<li>The result is a watertight stl-file with a high amount of details.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3D Scan results<\/h3>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-3.avif\"><img decoding=\"async\" width=\"1020\" height=\"859\" data-id=\"2325\" src=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-3.avif\" alt=\"\" class=\"wp-image-2325\" srcset=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-3.avif 1020w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-3-300x253.avif 300w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-3-768x647.avif 768w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-3-650x547.avif 650w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-2.avif\"><img decoding=\"async\" width=\"1006\" height=\"730\" data-id=\"2326\" src=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-2.avif\" alt=\"\" class=\"wp-image-2326\" srcset=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-2.avif 1006w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-2-300x218.avif 300w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-2-768x557.avif 768w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-2-650x472.avif 650w\" sizes=\"(max-width: 1006px) 100vw, 1006px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-1.avif\"><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"733\" data-id=\"2327\" src=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-1.avif\" alt=\"\" class=\"wp-image-2327\" srcset=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-1.avif 710w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-1-291x300.avif 291w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/CT-scan-complete-toy-car-1-630x650.avif 630w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p><strong>Volume vs. Mesh<\/strong><\/p>\n\n\n\n\t\t\t\n\t<style type=\"text\/css\">\n\t\t.slider-info-2479.bafg-slider-info .bafg-slider-title {\n\t\t\t\t\t\t\tfont-size:\n\t\t\t\t\t22px\t\t\t\t;\n\t\t\t\n\t\t\t\n\t\t\t\t\t}\n\n\t\t.slider-info-2479.bafg-slider-info .bafg-slider-description {\n\t\t\t\n\t\t\t\n\t\t\t\t\t}\n\t\t\n\t\t\n\t\t.slider-info-2479.bafg-slider-info .bafg_slider_readmore_button {\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\ttext-align: center;\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t}\n\n\t\t.slider-info-2479.bafg-slider-info .bafg_slider_readmore_button:hover {\n\n\t\t\t\n\t\t\t\n\t\t\t\t\t}\n\t<\/style>\n\t\n\t\t\t<div class=\"bafg-twentytwenty-container slider-2479  \"\n\t\t\t\tbafg-orientation=\"horizontal\" bafg-default-offset=\"0.5\"\n\t\t\t\tbafg-before-label=\"Volume\"\n\t\t\t\tbafg-after-label=\"Mesh\" bafg-overlay=\"1\"\n\t\t\t\tbafg-move-slider-on-hover=\"\"\n\t\t\t\tbafg-click-to-move=\"\">\n\n\t\t\t\t\t\t\t\t<img class=\"skip-lazy\" data-skip-lazy\t\t\t\t\tsrc=\"https:\/\/tetravision.be\/wp-content\/uploads\/2026\/02\/CT-scan-mesh-side-view.avif\" alt=\"Mesh\">\n\t\t\t\t<img class=\"skip-lazy\" data-skip-lazy\t\t\t\t\tsrc=\"https:\/\/tetravision.be\/wp-content\/uploads\/2026\/02\/CT-scan-slice.avif\" alt=\"Volume\">\n\n\t\t\t<\/div>\n\n\t\t\t\t<div class=\"bafg-slider-info-wraper\">\n\t\t<div style=\"\" class=\"slider-info-2479 bafg-slider-info\">\n\t\t\t\t\t<\/div>\n\t<\/div>\n\t\n\t\t\t<style type=\"text\/css\">\n\t\t\t\t\t\t\t\t\t\t\t<\/style>\n\t\t\t\n\n\n\n<p><\/p>\n\n\n\n<p>The final mesh is made out of triangles that describe the complete surface of the toy.<\/p>\n\n\n\n<p>CT scanning captures a lot of detail and results in a&nbsp;<strong>100% complete data<\/strong>&nbsp;set.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Detail-of-a-mesh.avif\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"448\" src=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Detail-of-a-mesh-1024x448.avif\" alt=\"\" class=\"wp-image-2328\" srcset=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Detail-of-a-mesh-1024x448.avif 1024w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Detail-of-a-mesh-300x131.avif 300w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Detail-of-a-mesh-768x336.avif 768w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Detail-of-a-mesh-650x285.avif 650w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Detail-of-a-mesh.avif 1405w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Transparant or shiny surfaces without scanning spray<\/h3>\n\n\n\n<p>Note that the window of the car is made out of transparent plastic material. For a CT scanner this is not different from a non-transparent plastic. The scanner only \u201csees\u201d X-ray absorption and not visible light and it\u2019s behavior.<\/p>\n\n\n\n<p>We made an extra scan of this single component. And because the dimensions are smaller than the complete car we can zoom in a bit further with the CT scanner. This increases the resolution of the resulting volume and surface mesh.<\/p>\n\n\n\n<p>This is useful if you part has tiny details or if you want to investigate&nbsp;<strong>flashes<\/strong>,&nbsp;<strong>misalignment of mold inserts or ejector marks<\/strong>&nbsp;for example.<\/p>\n\n\n\n<p>This component is scanned at&nbsp;<strong>24 \u00b5m voxel size<\/strong><br>and the complete car is scanned at&nbsp;<strong>66 \u00b5m voxel size<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Transparent-plastic-sample.avif\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"752\" src=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Transparent-plastic-sample.avif\" alt=\"\" class=\"wp-image-2330\" srcset=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Transparent-plastic-sample.avif 1000w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Transparent-plastic-sample-300x226.avif 300w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Transparent-plastic-sample-768x578.avif 768w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Transparent-plastic-sample-650x489.avif 650w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Single-scan-in-different-resolutions.avif\"><img loading=\"lazy\" decoding=\"async\" width=\"1393\" height=\"464\" src=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Single-scan-in-different-resolutions.avif\" alt=\"\" class=\"wp-image-2331\" srcset=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Single-scan-in-different-resolutions.avif 1393w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Single-scan-in-different-resolutions-300x100.avif 300w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Single-scan-in-different-resolutions-1024x341.avif 1024w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Single-scan-in-different-resolutions-768x256.avif 768w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Single-scan-in-different-resolutions-650x217.avif 650w\" sizes=\"(max-width: 1393px) 100vw, 1393px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Porosities &amp; Volume defects or Voids<\/h3>\n\n\n\n<p>We also noticed some&nbsp;<strong>air bubbles&nbsp;<\/strong>in the axles of the toy car. Therefore we took one of the axles and also made a separate scan.<\/p>\n\n\n\n<p>This allows us to investigate the voids further in detail.<\/p>\n\n\n\n<p>Each single void can be measured in different ways. Here we chose for a simple&nbsp;<strong>volume check<\/strong>&nbsp;of each void and we reported the&nbsp;<strong>5 biggest ones.<\/strong>&nbsp;Point 5 is a cluster of smaller voids that are linked together and can be also clearly seen in the CT slice at the bottom of the image.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Toy-car-axle.avif\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"636\" src=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Toy-car-axle.avif\" alt=\"\" class=\"wp-image-2333\" srcset=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Toy-car-axle.avif 1000w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Toy-car-axle-300x191.avif 300w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Toy-car-axle-768x488.avif 768w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Toy-car-axle-650x413.avif 650w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Porosity-rear-axle.avif\"><img loading=\"lazy\" decoding=\"async\" width=\"1122\" height=\"793\" src=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Porosity-rear-axle.avif\" alt=\"\" class=\"wp-image-2332\" srcset=\"https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Porosity-rear-axle.avif 1122w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Porosity-rear-axle-300x212.avif 300w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Porosity-rear-axle-1024x724.avif 1024w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Porosity-rear-axle-768x543.avif 768w, https:\/\/tetravision.be\/wp-content\/uploads\/2024\/06\/Porosity-rear-axle-650x459.avif 650w\" sizes=\"(max-width: 1122px) 100vw, 1122px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Digitised using Industrial CT Technoly Although it is a toy, it\u2019s still a very good example of what can be achieved with CT scanning in general. The same goes for more high-end industrial plastic samples for the automotive or medical industry for example. Process: step by step Process Technology Post-processing 3D Scan results Volume vs. [&hellip;]<\/p>\n","protected":false},"featured_media":3252,"template":"","meta":{"_acf_changed":false},"case-categorie":[20],"class_list":["post-3250","case","type-case","status-publish","has-post-thumbnail","hentry","case-categorie-xray-ct-scanning-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/tetravision.be\/en\/wp-json\/wp\/v2\/case\/3250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tetravision.be\/en\/wp-json\/wp\/v2\/case"}],"about":[{"href":"https:\/\/tetravision.be\/en\/wp-json\/wp\/v2\/types\/case"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tetravision.be\/en\/wp-json\/wp\/v2\/media\/3252"}],"wp:attachment":[{"href":"https:\/\/tetravision.be\/en\/wp-json\/wp\/v2\/media?parent=3250"}],"wp:term":[{"taxonomy":"case-categorie","embeddable":true,"href":"https:\/\/tetravision.be\/en\/wp-json\/wp\/v2\/case-categorie?post=3250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}