{"id":3470,"date":"2026-09-25T14:26:40","date_gmt":"2026-09-25T12:26:40","guid":{"rendered":"https:\/\/z-laser.com\/?post_type=ratgeber&#038;p=3470"},"modified":"2026-09-25T14:26:40","modified_gmt":"2026-09-25T12:26:40","slug":"metal-surface-inspection-with-lasers","status":"publish","type":"ratgeber","link":"https:\/\/z-laser.com\/en\/guides\/metal-surface-inspection-with-lasers\/","title":{"rendered":"Metal Surface Inspection with Lasers"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">In <a href=\"https:\/\/z-laser.com\/en\/industries\/metal-processing\/\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-950-color\">metal and sheet metal processing<\/mark><\/strong><\/a>, surfaces must be inspected for shape, surface flaws, and defects prior to polishing, priming, or anodizing. High quality standards and fast cycle times call for inspection methods that are precise, fast, and repeatable. Structured laser illumination enables automated, non-contact surface inspection with high accuracy and repeatability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This article gives an overview of applications for laser-based surface inspection in metal and sheet metal processing, the technical requirements for laser systems used in these applications, and suitable laser solutions from Z-LASER.<\/p>\n\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-optical-metal-surface-inspection-applications\" class=\"wp-block-heading\">Optical Metal Surface Inspection:  Applications <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Optical quality control is crucial in the manufacture of metal workpieces, as the components produced are often used in safety-critical applications such as the <a href=\"https:\/\/z-laser.com\/en\/industries\/automotive\/\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-950-color\">automtovie industry<\/mark><\/strong><\/a> or <a href=\"https:\/\/z-laser.com\/en\/industries\/infrastructure\/\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-950-color\">infrastructure inspection<\/mark><\/strong><\/a>. Typical applications where laser-based inspection methods are employed are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Weld seam inspection and displaying weld seams:<\/strong> <a href=\"https:\/\/z-laser.com\/en\/products\/industrial-machine-vision-lasers\/\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-950-color\">Machine vision lasers<\/mark><\/strong><\/a> enable non-destructive weld seam inspection. They capture the three-dimensional contours of weld seams and weld spots using <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-950-color\"><a href=\"https:\/\/z-laser.com\/en\/guides\/lasertriangulation-in-der-industriellen-messtechnik-2\/\"><strong>laser triangulation<\/strong><\/a><\/mark>. Measurement results are compared in real time against the target geometry. Thsi way deviations and defects are detected immediately and flagged for direct rework. <a href=\"https:\/\/z-laser.com\/en\/products\/laser-projectors\/\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-950-color\">Laser projectors<\/mark><\/strong><\/a> project the target contours of weld seam paths and weld spots directly onto the workpiece, allowing operators to visually verify the position and completeness of each weld seam.<\/li>\n\n\n\n<li><strong>Inspection of railroad wheels:<\/strong> Using triangulation sensors, wheelsets are automatically inspected without physical contact as they pass through the measurement station. Defects on the wheel tread \u2013 such as spalling or flat spots \u2013 are reliably detected and analyzed by the <a href=\"https:\/\/z-laser.com\/en\/guides\/measurement-systems-industrial-image-processing\/\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-950-color\">machine vision system<\/mark><\/strong><\/a>. <\/li>\n\n\n\n<li><strong>Surface inspection in the press shop: <\/strong>Before and after forming, body panels are inspected for shape, surface anomalies, and defects.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"574\" src=\"https:\/\/z-laser.com\/wp-content\/uploads\/2026\/09\/optical_surface_inspection_production-1024x574.png\" alt=\"Worker inspecting the weld seam path of a body panel using green laser projection for optical surface inspection in production.\" class=\"wp-image-3479\" srcset=\"https:\/\/z-laser.com\/wp-content\/uploads\/2026\/09\/optical_surface_inspection_production-1024x574.png 1024w, https:\/\/z-laser.com\/wp-content\/uploads\/2026\/09\/optical_surface_inspection_production-300x168.png 300w, https:\/\/z-laser.com\/wp-content\/uploads\/2026\/09\/optical_surface_inspection_production-768x431.png 768w, https:\/\/z-laser.com\/wp-content\/uploads\/2026\/09\/optical_surface_inspection_production.png 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-optical-surface-inspection-with-laser-light-advantages\" class=\"wp-block-heading\">Optical Surface Inspection with Laser Light: Advantages<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Laser-based optical surface inspection offers significant process advantages for quality control and production monitoring:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fast and Flexible Measurement:<\/strong> Data can be captured in 2D or 3D \u2013 both inline  and in dedicated offline inspection stations.<\/li>\n\n\n\n<li><strong>Non-Contact Quality Control:<\/strong> Since no mechanical contact takes place, the method is well-suited for sensitive, polished, or coated surfaces.<\/li>\n\n\n\n<li><strong>Improved Production Quality:<\/strong> Laser-based inspection consistently delivers precise inspection results.<\/li>\n\n\n\n<li><strong>Reduction of Customer Complaints:<\/strong> Consistent inspection results and early defect detection help reduce rework and scrap rates.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-requirements-for-lasers-in-metal-surface-inspection\" class=\"wp-block-heading\">Requirements for Lasers in Metal Surface Inspection<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For reliable results in optical surface inspection, the laser systems used must meet specific requirements:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High Projection Accuracy:<\/strong> For triangulation and 3D measurement, a precise projection of structured laser light \u2013 in the form of straight lines, grids, circles, or DOE patterns \u2013 is required.<\/li>\n\n\n\n<li><strong>Sufficient Output Power:<\/strong> For large working areas, sufficient optical power must be available to ensure that the laser line can be reliably captured by the camera even at greater working distances.<\/li>\n\n\n\n<li><strong>Compact and Lightweight Design:<\/strong> Laser modules must integrate easily into existing systems,  including straightforward mounting on robotic arms.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High Projection Accuracy:<\/strong> For triangulation and 3D measurement, a precise projection of structured laser light \u2013 in the form of straight lines, grids, circles, or DOE patterns \u2013 is required.<\/li>\n\n\n\n<li><strong>Sufficient Output Power:<\/strong> For large working areas, sufficient optical power must be available to ensure that the laser line can be reliably captured by the camera even at greater working distances.<\/li>\n\n\n\n<li><strong>Compact and Lightweight Design:<\/strong> Laser modules must integrate easily into existing systems \u2013 including straightforward mounting on robotic arms.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-z-laser-solutions-for-metal-surface-inspection\" class=\"wp-block-heading\">Z-LASER Solutions for Metal Surface Inspection<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For optical surface inspection in metal and sheet metal processing, Z-LASER recommends the following laser solutions: <a href=\"https:\/\/z-laser.com\/en\/products\/industrial-machine-vision-lasers\/en-products-industrial-machine-vision-lasers-zm18-vision-module\/\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-950-color\">The ZM18-VISION laser module<\/mark><\/strong><\/a> serves as a structured light source enabling precise triangulation measurements and automated surface inspection. The <a href=\"https:\/\/z-laser.com\/en\/products\/laser-projectors\/zlp2\/\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-950-color\">ZLP2 laser projector<\/mark><\/strong><\/a> supports visual weld seam inspection and quality control through the direct projection of target contours onto the workpiece.<\/p>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"product-cards-block wp-block-zlaser-product-cards\">\n    <div class=\"product-cards-grid product-cards-grid--2\">\n        \n<div class=\"product-card max-w-[360px] w-full mx-auto flex flex-col\" data-aos=\"zoom-in\" data-aos-delay=\"0\">\n    <div class=\"bg-white w-full h-8 relative rounded-tr-lg\">\n        <div class=\"absolute h-full top-0 left-0  bg-lightBlue py-1 pl-7 pr-10\">\n            <span class=\" text-primary text-xs font-bold tracking-[3px]\">\n                PRODUKT            <\/span>\n            <svg class=\"rotate-180 absolute h-[37px] w-[37px] right-0 -bottom-[3px]\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n                width=\"42\" height=\"37\" viewBox=\"0 0 42 37\">\n                <path\n                    d=\"M-198 -54H1242V0H44.0261C41.1491 0 38.4116 1.23908 36.513 3.40059L12.974 30.1988C9.17676 34.5218 3.70158 37 -2.05234 37H-198V-54Z\"\n                    fill=\"white\" \/>\n            <\/svg>\n        <\/div>\n    <\/div>\n    <div class=\"group flex-grow flex-col flex bg-white rounded-lg rounded-tr-none shadow-lg transition-shadow w-full max-w-sm relative mb-12\">\n        <!-- Overlapped Laser Images Container - extends beyond card boundaries -->\n                    <div class=\"relative z-30 h-48\">\n                <!-- Shadow image (bottom layer) -->\n                <div class=\"absolute w-full scale-110 -mt-8 z-20\">\n                                            <img decoding=\"async\" class=\"w-full h-48 object-contain\"\n                            src=\"https:\/\/z-laser.com\/wp-content\/uploads\/2025\/09\/zm18-1_shadow.png\">\n                                    <\/div>\n                <!-- Transparent laser image (top layer) -->\n                <div\n                    class=\"absolute w-full h-48 scale-110 -mt-8 group-hover:rotate-[3deg] origin-center group-hover:translate-y-[-30px] transition-all ease-in-out duration-1000 z-20\">\n                                            <img decoding=\"async\" class=\"w-full h-48 object-contain\"\n                            src=\"https:\/\/z-laser.com\/wp-content\/uploads\/2025\/08\/ZM18-2.png\">\n                                    <\/div>\n            <\/div>\n                        <div class=\"p-5 pb-12 relative z-20 flex-grow\">\n            <h3 class=\"text-2xl font-normal text-center text-text-primary\">ZM18-Vision Module<\/h3>\n            <p class=\"text-text-secondary text-center mt-2.5 line-clamp-4\">The ZM18-Vision is a precision laser module designed for demanding image processing applications in industrial, research, and OEM integration settings. With wavelengths ranging from 405 nm to 830 nm, it covers a significantly expanded spectrum, enabling optimal adaptation to a wide range of materials and applications. With its rugged industrial design and consistent performance stability, the ZM18-Vision is ideal for reliable operation in inspection systems, alignment tasks, and complex vision systems.<\/p>\n            <a href=\"https:\/\/z-laser.com\/en\/products\/industrial-machine-vision-lasers\/en-products-industrial-machine-vision-lasers-zm18-vision-module\/\"\n                class=\"btn-primary mx-auto absolute left-1\/2 -bottom-7 -translate-x-1\/2 whitespace-nowrap\">\n                Learn More            <\/a>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"product-card max-w-[360px] w-full mx-auto flex flex-col\" data-aos=\"zoom-in\" data-aos-delay=\"100\">\n    <div class=\"bg-white w-full h-8 relative rounded-tr-lg\">\n        <div class=\"absolute h-full top-0 left-0  bg-lightBlue py-1 pl-7 pr-10\">\n            <span class=\" text-primary text-xs font-bold tracking-[3px]\">\n                PRODUKT            <\/span>\n            <svg class=\"rotate-180 absolute h-[37px] w-[37px] right-0 -bottom-[3px]\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n                width=\"42\" height=\"37\" viewBox=\"0 0 42 37\">\n                <path\n                    d=\"M-198 -54H1242V0H44.0261C41.1491 0 38.4116 1.23908 36.513 3.40059L12.974 30.1988C9.17676 34.5218 3.70158 37 -2.05234 37H-198V-54Z\"\n                    fill=\"white\" \/>\n            <\/svg>\n        <\/div>\n    <\/div>\n    <div class=\"group flex-grow flex-col flex bg-white rounded-lg rounded-tr-none shadow-lg transition-shadow w-full max-w-sm relative mb-12\">\n        <!-- Overlapped Laser Images Container - extends beyond card boundaries -->\n                    <div class=\"relative z-30 h-48\">\n                <!-- Shadow image (bottom layer) -->\n                <div class=\"absolute w-full scale-110 -mt-8 z-20\">\n                                            <img decoding=\"async\" class=\"w-full h-48 object-contain\"\n                            src=\"https:\/\/z-laser.com\/wp-content\/uploads\/2025\/09\/zlp2-1_shadow.png\">\n                                    <\/div>\n                <!-- Transparent laser image (top layer) -->\n                <div\n                    class=\"absolute w-full h-48 scale-110 -mt-8 group-hover:rotate-[3deg] origin-center group-hover:translate-y-[-30px] transition-all ease-in-out duration-1000 z-20\">\n                                            <img decoding=\"async\" class=\"w-full h-48 object-contain\"\n                            src=\"https:\/\/z-laser.com\/wp-content\/uploads\/2025\/09\/zlp2-1.png\">\n                                    <\/div>\n            <\/div>\n                        <div class=\"p-5 pb-12 relative z-20 flex-grow\">\n            <h3 class=\"text-2xl font-normal text-center text-text-primary\">ZLP2 \u2013 Laser Projector<\/h3>\n            <p class=\"text-text-secondary text-center mt-2.5 line-clamp-4\">The ZLP2 is a powerful laser projector equipped with a fiber-coupled Z-FIBER laser source to deliver outstanding beam quality. With an accuracy of 0.25 mm per meter of working distance, it is ideal for precise projections in traditional applications such as woodworking and stone processing, as well as demanding composite material tasks. Operation is simple via the intuitive ZLP-Suite software with graphical user interface or through the integrated programming interface (API). In addition, native control via TCP\/IP-enabled PLC systems is supported, allowing seamless integration into automated workflows. The ZLP2 thus provides a flexible, expandable, and reliable solution for industrial applications where precision and efficiency are critical.<\/p>\n            <a href=\"https:\/\/z-laser.com\/en\/products\/laser-projectors\/zlp2\/\"\n                class=\"btn-primary mx-auto absolute left-1\/2 -bottom-7 -translate-x-1\/2 whitespace-nowrap\">\n                Learn More            <\/a>\n        <\/div>\n    <\/div>\n<\/div>\n    <\/div>\n<\/div>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-metal-surface-inspection-with-z-laser-precision-and-efficiency-in-quality-assurance\" class=\"wp-block-heading\">Metal Surface Inspection with Z-LASER: Precision and Efficiency in Quality Assurance<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Laser-based surface inspection has become an established method in the metal and sheet metal processing industry. It enables non-contact, repeatable inspection and contributes significantly to greater efficiency and consistently high product quality while reducing scrap. Z-LASER offers field-proven industrial laser solutions characterized by compact designs and high output power, ready to integrate seamlessly into existing production and inspection systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Looking for the right laser solution for your surface inspection application? Contact us. Our experts will help you find the best fit for your application requirements.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-zlaser-cta-banner cta-banner\"><div class=\"cta-banner__wrapper\" style=\"background-image:url(https:\/\/z-laser.com\/wp-content\/uploads\/2026\/09\/weld_seam_inspection.png)\"><div class=\"cta-banner__overlay\" style=\"opacity:0.5\" aria-hidden=\"true\"><\/div><div class=\"cta-banner__content\"><div class=\"cta-banner__inner\"><div class=\"cta-banner__text\"><h2 class=\"cta-banner__headline\"><br>Looking for a custom laser solution?<\/h2><p class=\"cta-banner__body\">Our experts develop laser systems tailored precisely to your application \u2013 from feasibility analysis to full-scale series integration.<\/p><\/div><div class=\"cta-banner__button-wrapper\"><a href=\"https:\/\/z-laser.com\/en\/contact\/\" class=\"cta-banner__button\">Contact Us<\/a><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:108px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-frequently-asked-questions\">Frequently Asked Questions<\/h2>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-1&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-1-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-1\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">1. <strong>How does optical surface inspection of metal with lasers work?<\/strong><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div aria-labelledby=\"accordion-item-1\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-1-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">A machine vision laser module projects structured laser light \u2013 in the form of lines, dots, grids, circles, or DOE patterns \u2013 onto the component, which is captured by a camera and evaluated three-dimensionally via laser triangulation. In addition, laser projectors can project target contours directly onto the workpiece, enabling visual inspection support for the operator.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-2&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-2-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-2\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\"><strong>2. What is non-destructive weld seam inspection?<\/strong><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div aria-labelledby=\"accordion-item-2\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-2-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">In non-destructive weld seam inspection, the weld seam is optically measured without any material contact. The completeness, position, and geometry of the seam are captured and compared against the target geometry. The method is a key part of quality assurance in the automotive industry.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-3&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-3-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-3\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">3.<strong> Which wavelengths are suitable for metal surface inspection?<\/strong><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div aria-labelledby=\"accordion-item-3\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-3-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The choice of wavelength depends on the surface properties of the object being inspected.For highly reflective surfaces such as polished steel, blue and green wavelengths (405\u2013520 nm) are more suitable, as they produce a sharper line contrast at the surface and enable more precise evaluation by the camera.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-4&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading has-icon has-icon-right\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-4-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-4\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">4. Which Z-LASER solutions are suitable for the optical inspection of surfaces in metal processing?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div aria-labelledby=\"accordion-item-4\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-4-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The ZM18-VISION laser module, with a wavelength range of 405\u2013830 nm and an output power of up to 170 mW, is designed for demanding triangulation sensors and precise 3D measurements. For visual inspection support \u2013 such as weld seam inspection \u2013 the ZLP2 laser projector is the right choice. With its fiber-coupled Z-FIBER laser source, it achieves a projection accuracy of 0.1 mm\/m working distance and reliably covers large-scale inspection applications with an aperture angle of up to 80\u00b0<math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mo>\u00d7<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">\\times<\/annotation><\/semantics><\/math>\u00d780\u00b0.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Solutions for Non-Contact and Non-Destructive Inspection<\/p>\n","protected":false},"author":4,"featured_media":3472,"template":"","branch":[48],"produktbereich":[43,42],"class_list":["post-3470","ratgeber","type-ratgeber","status-publish","has-post-thumbnail","hentry","branch-metal-processing","produktbereich-laser-projectors","produktbereich-industrial-machine-vision-lasers"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - 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