{"id":5963,"date":"2026-06-22T09:37:08","date_gmt":"2026-06-22T09:37:08","guid":{"rendered":"https:\/\/hinges-htan.com\/?p=5963"},"modified":"2026-06-22T09:38:47","modified_gmt":"2026-06-22T09:38:47","slug":"cavo-foro-coppia-cerniere-filo-attraverso-guida","status":"publish","type":"post","link":"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/","title":{"rendered":"Cerniere a coppia con foro per cavo: quando \u00e8 opportuno l\u2019attraversamento del cavo"},"content":{"rendered":"<p class=\"wp-block-paragraph\">In many OEM assemblies, the hardest part of a hinged joint is not holding the panel in position \u2014 it is getting the wires across the joint without them snagging, chafing, or breaking after a few thousand open-close cycles. When a lid carries a touchscreen, a camera, a sensor, or any powered component, those cables have to cross the rotating axis somehow. A cable-hole torque hinge solves both problems at once: it holds the panel at the angle you set, and it routes the wiring straight through the center of the hinge. This guide explains when a wire-through design actually makes sense, how to specify hole size and torque, and where these hinges fit best.<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-2a25cb7\" id=\"gspb_image-id-gsbp-2a25cb7\"><img decoding=\"async\" src=\"https:\/\/hinges-htan.com\/wp-content\/uploads\/2026\/06\/cable-hole-torque-hinge-application.webp\" data-src=\"\" alt=\"Cable-hole torque hinge application\" loading=\"lazy\" width=\"600px\" height=\"1075\"\/><\/div>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Indice dei contenuti<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Allinea la tabella dei contenuti\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#What_a_Cable-Hole_Torque_Hinge_Is\" >What a Cable-Hole Torque Hinge Is<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#When_Does_a_Wire-Through_Hinge_Make_Sense\" >When Does a Wire-Through Hinge Make Sense?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#When_Wire-Through_Routing_Makes_Engineering_Sense\" >When Wire-Through Routing Makes Engineering Sense<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#A_Powered_Component_Sits_on_the_Moving_Panel\" >A Powered Component Sits on the Moving Panel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#The_Cable_Would_Otherwise_Flex_at_a_Bend_Point\" >The Cable Would Otherwise Flex at a Bend Point<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#Appearance_and_Cleanability_Matter\" >Appearance and Cleanability Matter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#You_Want_to_Cut_Part_Count\" >You Want to Cut Part Count<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#When_a_Solid_Torque_Hinge_Is_the_Better_Call\" >When a Solid Torque Hinge Is the Better Call<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#How_to_Specify_the_Hole_Size\" >How to Specify the Hole Size<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#Balancing_Hole_Size_Against_Torque_and_Strength\" >Balancing Hole Size Against Torque and Strength<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#Material_and_Environment\" >Materiale e ambiente<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#Typical_Applications\" >Applicazioni tipiche<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#Common_Mistakes_to_Avoid\" >Errori comuni da evitare<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#What_to_Send_When_Requesting_a_Sample\" >What to Send When Requesting a Sample<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#Frequently_Asked_Questions\" >Domande frequenti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#Specifying_a_Cable-Hole_Torque_Hinge\" >Specifying a Cable-Hole Torque Hinge<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"what-a-cable-hole-torque-hinge-is\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_a_Cable-Hole_Torque_Hinge_Is\"><\/span>What a Cable-Hole Torque Hinge Is<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A cable-hole torque hinge \u2014 also called a hollow-shaft, wire-through, or hollow torque hinge \u2014 is a positioning hinge with a hole running down the center of its rotation axis. It does two jobs in one part. Like any torque hinge, it uses controlled internal friction to hold a lid, display, or arm at a chosen angle without spring-back. Unlike a solid hinge, its hollow shaft lets a cable harness pass through the pivot, so the wiring rotates with the joint instead of being draped around the outside of it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That second job is the whole point. On a powered lid or a rotating arm, the cable has to get from the fixed base to the moving part. Run it around the outside and it flexes, rubs, and eventually fails at the bend point. Run it through the center of the hinge and the cable sees far less movement, because the rotation axis is the one place on the joint where travel is smallest. The hinge becomes both the mechanical pivot and the cable conduit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you are still deciding whether a torque hinge is the right category at all \u2014 versus a plain friction hinge, a gas spring, or a stay arm \u2014 start with our <a href=\"https:\/\/hinges-htan.com\/it\/guida-alla-scelta-della-cerniera-dinamometrica\/\">Guida alla scelta della cerniera dinamometrica<\/a>. This article assumes you already need controlled positioning and are weighing whether the wire-through version is worth it.<\/p>\n\n\n\n<h2 id=\"when-does-a-wire-through-hinge-make-sense\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Does_a_Wire-Through_Hinge_Make_Sense\"><\/span>When Does a Wire-Through Hinge Make Sense?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A cable-hole torque hinge makes sense when a powered component is mounted on the moving panel and its cabling must cross the hinge axis. It is the right choice when external cable routing would be exposed, when repeated motion would fatigue a cable run outside the joint, when the design needs to look clean with no visible wiring, or when you want to cut part count by removing drag chains, spiral wrap, and external cable guides. It is usually the wrong choice when nothing on the moving panel needs power or signal, when the cable bundle is too large for any practical hole diameter, or when the panel is so heavy that a hollow shaft cannot provide the required torque and structural strength at once.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Situation<\/th><th>Use a Cable-Hole Torque Hinge?<\/th><\/tr><\/thead><tbody><tr><td>Powered display or touchscreen on the moving panel<\/td><td>S\u00ec<\/td><\/tr><tr><td>Camera, sensor, or light head needs hidden wiring<\/td><td>S\u00ec<\/td><\/tr><tr><td>An external cable loop would flex, snag, or fatigue<\/td><td>S\u00ec<\/td><\/tr><tr><td>No wiring crosses the hinge axis<\/td><td>No \u2014 use a solid hinge<\/td><\/tr><tr><td>Cable bundle is too large for the bore<\/td><td>Usually no<\/td><\/tr><tr><td>Heavy panel needs maximum shaft strength<\/td><td>Review a solid hinge or larger body<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"when-wire-through-routing-makes-engineering-sense\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Wire-Through_Routing_Makes_Engineering_Sense\"><\/span>When Wire-Through Routing Makes Engineering Sense<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The decision is not about the hinge in isolation. It is about whether internal routing solves a real problem in your assembly. These are the situations where it usually pays off.<\/p>\n\n\n\n<h3 id=\"a-powered-component-sits-on-the-moving-panel\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"A_Powered_Component_Sits_on_the_Moving_Panel\"><\/span>A Powered Component Sits on the Moving Panel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The clearest case is a lid or arm that carries something electrical: a touchscreen, an HMI panel, a camera, a light head, a sensor, or a small display. The component needs power and signal from the fixed side of the product, and the cable has to survive every open-close cycle for the life of the equipment. Routing it through the hinge axis is the most direct way to protect it.<\/p>\n\n\n\n<h3 id=\"the-cable-would-otherwise-flex-at-a-bend-point\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Cable_Would_Otherwise_Flex_at_a_Bend_Point\"><\/span>The Cable Would Otherwise Flex at a Bend Point<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A cable routed around the outside of a hinge is forced to bend every time the panel moves. That repeated bending is a classic fatigue failure: the conductor or its insulation cracks at the flex point long before anything else on the product wears out. Inside the hinge, the cable is close to the rotation axis, so it twists gently rather than bending sharply. For high-cycle equipment, that difference is the difference between a cable that lasts and one that becomes a warranty claim.<\/p>\n\n\n\n<h3 id=\"appearance-and-cleanability-matter\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Appearance_and_Cleanability_Matter\"><\/span>Appearance and Cleanability Matter<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">On medical, laboratory, and premium industrial equipment, exposed wiring reads as low quality and creates places where dust and contaminants collect. A wire-through hinge hides the cable completely, leaving a clean exterior with no loops or external guides to wipe around. In hygiene-sensitive equipment, fewer external crevices is a genuine advantage, not just a cosmetic one.<\/p>\n\n\n\n<h3 id=\"you-want-to-cut-part-count\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"You_Want_to_Cut_Part_Count\"><\/span>You Want to Cut Part Count<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Without internal routing, engineers usually add drag chains, spiral wrap, cable clips, or external guides to manage the wiring across a joint. Each of those is another part to source, install, and document. A hollow torque hinge collapses the mechanical pivot and the cable path into one component, which simplifies the bill of materials and the assembly line. For OEM products built in volume, that consolidation can matter as much as the cable protection itself.<\/p>\n\n\n\n<h2 id=\"when-a-solid-torque-hinge-is-the-better-call\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_a_Solid_Torque_Hinge_Is_the_Better_Call\"><\/span>When a Solid Torque Hinge Is the Better Call<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Wire-through is not automatically better. A hollow shaft removes material from the center of the hinge, and that has consequences. There are clear cases where a solid torque hinge is the smarter choice.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nothing on the panel needs wiring.<\/strong> If the moving part is a plain cover or guard with no powered component, a cable hole adds cost and a stress concentration for no benefit.<\/li>\n\n\n\n<li><strong>The cable bundle is too large.<\/strong> If the harness is thick, shielded, or includes connectors that cannot be threaded, no practical hole diameter will fit it. In that case, external routing with proper strain relief may be unavoidable.<\/li>\n\n\n\n<li><strong>The load is very heavy.<\/strong> A hollow shaft has less material than a solid one of the same diameter. For a heavy panel that needs high torque and high structural strength, a solid shaft, a larger hinge, or a multi-hinge layout may be required to carry the load safely.<\/li>\n\n\n\n<li><strong>The connector must stay attached.<\/strong> If the cable ends in a bulky connector that cannot be removed during assembly, threading it through a narrow bore may not be feasible.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A practical rule is simple: specify a cable hole when something needs to pass through it, and skip it when nothing does.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Fattore decisionale<\/th><th>Cable-Hole Torque Hinge<\/th><th>Solid Torque Hinge<\/th><\/tr><\/thead><tbody><tr><td>Cable routing<\/td><td>Routes the cable through the hinge axis<\/td><td>Requires external routing<\/td><\/tr><tr><td>Aspetto<\/td><td>Cleaner, with hidden wiring<\/td><td>May need a cable loop or guide<\/td><\/tr><tr><td>Shaft strength<\/td><td>Bore reduces the cross-section<\/td><td>Stronger for the same body size<\/td><\/tr><tr><td>Best use<\/td><td>Powered panels, HMIs, sensors, arms<\/td><td>Plain lids, guards, heavy covers<\/td><\/tr><tr><td>Main risk<\/td><td>Bore too small or cable pinching<\/td><td>External cable fatigue at the bend<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"how-to-specify-the-hole-size\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Specify_the_Hole_Size\"><\/span>How to Specify the Hole Size<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hole diameter is the parameter buyers get wrong most often. The hole has to fit not just the bare cable, but the full bundle plus a margin for movement, and sometimes a protective sleeve. Depending on the hinge series, cable-hole torque hinges may be available in compact bores for a single thin signal cable, mid-size bores for typical power-and-signal bundles, or larger bores for thicker harnesses or multiple cables \u2014 common bore sizes run from roughly 4.5 mm up through 8 mm, 12 mm, and beyond. Always confirm the exact bore against the supplier drawing before sampling, since available sizes vary by model.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To size the hole correctly, work through these points:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Fattore<\/th><th>Cosa controllare<\/th><\/tr><\/thead><tbody><tr><td>Bundle diameter<\/td><td>Measure the full harness, not a single conductor, including any shielding or jacket<\/td><\/tr><tr><td>Connectors<\/td><td>Confirm whether connectors must pass through, or can be terminated after threading<\/td><\/tr><tr><td>Protective sleeve<\/td><td>Add space if the cable needs a sleeve or conduit through the bore<\/td><\/tr><tr><td>Movement margin<\/td><td>Leave clearance so the cable can twist freely without pinching against the bore wall<\/td><\/tr><tr><td>Minimum bend radius<\/td><td>Make sure the cable&#8217;s rated bend radius is respected where it enters and exits the bore<\/td><\/tr><tr><td>Future cables<\/td><td>Allow for added signal lines if the product may gain features later<\/td><\/tr><tr><td>Sigillatura<\/td><td>Decide how the bore will be sealed if the environment is dusty or wet<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A bore that is too tight pinches the cable and reintroduces the very wear problem you were trying to solve. A bore that is slightly generous lets the cable move freely and tolerates a future design change. When in doubt, size up \u2014 but tell your supplier the bundle diameter and connector situation so they can confirm the hinge can still deliver the torque you need at that bore.<\/p>\n\n\n\n<h2 id=\"balancing-hole-size-against-torque-and-strength\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Balancing_Hole_Size_Against_Torque_and_Strength\"><\/span>Balancing Hole Size Against Torque and Strength<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here is the engineering trade-off at the heart of every wire-through hinge: the bore and the torque mechanism share the same shaft. A larger hole leaves less material for the friction elements and less cross-section to carry load. That does not mean you cannot have both a generous bore and strong holding torque \u2014 it means the two have to be specified together, not in isolation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In practice, smaller cable-hole hinges tend to live in the lighter torque ranges suited to electronics, control panels, and compact displays, while larger-bodied hollow hinges can offer higher torque for heavier covers. The point is to give your supplier both numbers at once \u2014 the bundle diameter you need to pass through, and the holding torque the panel requires \u2014 so the hinge can be matched to both. Specifying a hole size without a torque target, or a torque without a bore, is how projects end up with a hinge that fits the cable but cannot hold the lid, or holds the lid but cannot fit the cable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you are unsure what holding torque the panel needs in the first place, our <a href=\"https:\/\/hinges-htan.com\/it\/calcolo-della-coppia-di-cerniere-casi-di-studio-del-settore\/\">torque calculation case studies<\/a> walk through how panel weight and center-of-gravity distance translate into a torque figure. Settle the torque requirement first, then layer the bore requirement on top.<\/p>\n\n\n\n<h2 id=\"material-and-environment\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_and_Environment\"><\/span>Materiale e ambiente<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cable-hole torque hinges come in the same material families as solid torque hinges, and the same environmental logic applies. Stainless steel is the choice for washdown, humid, marine, or hygiene-sensitive equipment where corrosion resistance matters. Iron or steel with a plated finish is common for cost-sensitive indoor electronics and control panels. The right pick depends on where the product lives, not on the fact that it has a cable hole.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One extra consideration is specific to wire-through designs: the bore itself can be an entry path for dust or moisture if it is left open at both ends. In dirty or wet environments, plan how the cable entry will be sealed or protected, so the hole that carries your wiring does not also carry contamination into the equipment.<\/p>\n\n\n\n<h2 id=\"typical-applications\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typical_Applications\"><\/span>Applicazioni tipiche<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cable-hole torque hinges show up wherever a powered part moves on a hinged joint. Common examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Control panels and HMIs<\/strong> where the operator interface tilts or folds and its wiring must cross the pivot.<\/li>\n\n\n\n<li><strong>Equipment lids with touchscreens or cameras<\/strong>, where the display rides on the moving cover and needs a protected cable path.<\/li>\n\n\n\n<li><strong>Robot and automation joints<\/strong> that carry signal and power across a rotating axis in a confined space.<\/li>\n\n\n\n<li><strong>Medical and laboratory arms<\/strong> where a clean exterior, smooth motion, and hidden wiring all matter at once.<\/li>\n\n\n\n<li><strong>Light heads and instrument mounts<\/strong> that reposition frequently and must keep their cabling protected through every adjustment.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">What links all of these is the same pattern: controlled positioning plus a cable that has to survive the motion. Wherever both are true, the wire-through design earns its place.<\/p>\n\n\n\n<h2 id=\"common-mistakes-to-avoid\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mistakes_to_Avoid\"><\/span>Errori comuni da evitare<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sizing the hole to the cable, not the bundle.<\/strong> Measure the full harness with its jacket and any sleeve, plus movement margin \u2014 not a single conductor.<\/li>\n\n\n\n<li><strong>Specifying a bore without a torque target.<\/strong> The hole and the friction mechanism share the shaft. Give both numbers so the hinge can be matched to both.<\/li>\n\n\n\n<li><strong>Forgetting the connectors.<\/strong> Confirm early whether connectors must pass through the bore or can be terminated after the cable is threaded.<\/li>\n\n\n\n<li><strong>Leaving the bore open in a dirty environment.<\/strong> Plan cable-entry sealing so the wire path does not become a contamination path.<\/li>\n\n\n\n<li><strong>Choosing wire-through when nothing needs wiring.<\/strong> If the panel has no powered component, a solid hinge is simpler, stronger, and cheaper.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"what-to-send-when-requesting-a-sample\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_to_Send_When_Requesting_a_Sample\"><\/span>What to Send When Requesting a Sample<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A wire-through hinge has one extra dimension to communicate beyond a normal torque hinge: the cable. To get a useful recommendation quickly, send your supplier both the mechanical and the cabling data together.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Information<\/th><th>Perch\u00e9 \u00e8 importante<\/th><\/tr><\/thead><tbody><tr><td>Panel weight and center of gravity<\/td><td>Defines the holding torque required<\/td><\/tr><tr><td>Opening angle and hold positions<\/td><td>Defines the motion range and free-stop need<\/td><\/tr><tr><td>Cable bundle diameter<\/td><td>Defines the minimum bore size<\/td><\/tr><tr><td>Connector type and size<\/td><td>Determines whether connectors pass through the bore<\/td><\/tr><tr><td>Number of hinges<\/td><td>Affects how total torque is shared<\/td><\/tr><tr><td>Material and environment<\/td><td>Guides grade, finish, and bore sealing<\/td><\/tr><tr><td>Mounting surface and direction<\/td><td>Affects fastener strategy and orientation<\/td><\/tr><tr><td>Sample and future order quantity<\/td><td>Supports OEM sampling and pricing<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Before committing to bulk production, validate the hinge on a representative prototype with the real cable in place. Our <a href=\"https:\/\/hinges-htan.com\/it\/lista-di-controllo-per-i-test-sui-campioni-di-cerniere-a-torsione-acquirenti-oem\/\">torque hinge sample testing checklist<\/a> covers how to confirm holding, user force, and durability on the actual assembly \u2014 for a wire-through hinge, run that check with the cable threaded so you can confirm the bundle moves freely through the full opening range.<\/p>\n\n\n\n<h2 id=\"frequently-asked-questions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Domande frequenti<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-ch-what\"><strong class=\"schema-faq-question\">Che cos\u2019\u00e8 una cerniera a coppia con foro per cavo?<\/strong> <p class=\"schema-faq-answer\">Una cerniera a coppia con foro per cavo \u00e8 una cerniera di posizionamento dotata di un albero cavo, in modo che un cavo possa passare direttamente attraverso il centro dell'asse di rotazione. Mantiene un pannello a un angolo prestabilito grazie a un attrito interno controllato, consentendo al contempo il passaggio del cablaggio attraverso il giunto e proteggendo il cavo dalla flessione e dallo sfregamento causati dal passaggio esterno.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-ch-when\"><strong class=\"schema-faq-question\">Quando \u00e8 meglio utilizzare una cerniera a filo anzich\u00e9 una cerniera piena?<\/strong> <p class=\"schema-faq-answer\">Utilizzare una cerniera con passaggio cavi quando un componente alimentato sul pannello mobile richiede che il cavo venga fatto passare attraverso l\u2019asse della cerniera, quando il passaggio esterno del cavo ne causerebbe la flessione e l\u2019affaticamento, quando \u00e8 importante ottenere un aspetto pulito con cablaggio nascosto, oppure quando si desidera eliminare le catene portacavi e le guide esterne per ridurre il numero di componenti. Utilizzare una cerniera piena quando nessun componente del pannello richiede cablaggio, quando il fascio di cavi \u00e8 troppo voluminoso per un foro di dimensioni praticabili, oppure quando un carico molto pesante richiede tutta la resistenza di un albero pieno.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-ch-size\"><strong class=\"schema-faq-question\">Come faccio a scegliere la dimensione giusta per il foro del cavo?<\/strong> <p class=\"schema-faq-answer\">Misurate l\u2019intero fascio di cavi, compresi la guaina, la schermatura ed eventuali manicotti protettivi, quindi aggiungete uno spazio libero affinch\u00e9 il cavo possa attorcigliarsi liberamente senza rimanere incastrato. Verificate se i connettori devono passare attraverso il foro e lasciate un margine per eventuali cavi che potrebbero essere aggiunti in seguito a una revisione del progetto. Comunicare al fornitore sia il diametro del fascio che la coppia di serraggio richiesta, poich\u00e9 il foro e il meccanismo di attrito condividono lo stesso albero.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-ch-torque\"><strong class=\"schema-faq-question\">Does a cable hole reduce the hinge&#8217;s holding torque?<\/strong> <p class=\"schema-faq-answer\">Un albero cavo presenta una quantit\u00e0 di materiale inferiore rispetto a uno pieno dello stesso diametro, pertanto il foro e il meccanismo di coppia si contendono la stessa sezione trasversale. Ci\u00f2 non impedisce di ottenere una coppia di tenuta elevata, ma i due parametri devono essere specificati congiuntamente. \u00c8 necessario indicare sia il foro richiesto sia la coppia richiesta, in modo che il corpo della cerniera possa essere dimensionato per garantire entrambi.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-ch-apps\"><strong class=\"schema-faq-question\">What applications use cable-hole torque hinges most?<\/strong> <p class=\"schema-faq-answer\">They are common wherever a powered part moves on a hinged joint: control panels and HMIs, equipment lids carrying touchscreens or cameras, robot and automation joints, medical and laboratory arms, and adjustable light heads or instrument mounts. The shared requirement is controlled positioning plus a cable that must survive repeated motion.<\/p> <\/div> <\/div>\n\n\n\n<h2 id=\"specifying-a-cable-hole-torque-hinge\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Specifying_a_Cable-Hole_Torque_Hinge\"><\/span>Specifying a Cable-Hole Torque Hinge<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A cable-hole torque hinge is the right answer to a specific problem: a powered panel that has to hold its position and carry its wiring across the same joint. When that describes your product, routing the cable through the hinge protects it, cleans up the exterior, and removes the external guides you would otherwise have to add. When it does not, a solid torque hinge is simpler and stronger. The key is to specify the bore and the torque together, size the hole to the full bundle, and validate the design with the real cable on a representative prototype.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you have a powered lid, arm, or panel that needs both positioning and internal cable routing, HTAN can help match the bore size, torque range, material, and mounting to your application. Browse our <a href=\"https:\/\/hinges-htan.com\/it\/cerniere-a-coppia\/\">gamma di cerniere a coppia<\/a> o <a href=\"https:\/\/hinges-htan.com\/it\/contattateci\/\">contatta HTAN<\/a> with your panel weight, opening angle, and cable bundle details for a recommendation.<\/p>","protected":false},"excerpt":{"rendered":"<p>In many OEM assemblies, the hardest part of a hinged joint is not holding the panel in position \u2014 it is getting the wires across the joint without them snagging, chafing, or breaking after a few thousand open-close cycles. When a lid carries a touchscreen, a camera, a sensor, or any powered component, those cables [&hellip;]<\/p>","protected":false},"author":1,"featured_media":5965,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"#gspb_image-id-gsbp-2a25cb7 img{vertical-align:top;display:inline-block;box-sizing:border-box;max-width:100%;width:600px;height:auto}#gspb_image-id-gsbp-2a25cb7{height:auto}@media (max-width:991.98px){#gspb_image-id-gsbp-2a25cb7,#gspb_image-id-gsbp-2a25cb7 img{height:auto}}@media (max-width:767.98px){#gspb_image-id-gsbp-2a25cb7,#gspb_image-id-gsbp-2a25cb7 img{height:auto}}@media (max-width:575.98px){#gspb_image-id-gsbp-2a25cb7,#gspb_image-id-gsbp-2a25cb7 img{height:auto}}","footnotes":""},"categories":[1],"tags":[],"class_list":["post-5963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cable-Hole Torque Hinges: When Wire-Through Makes Sense - Hinges Manufacturer<\/title>\n<meta name=\"description\" content=\"Cable-hole torque hinges route wires through a hollow shaft. Learn when wire-through designs make sense, how to pick hole size and torque, and where they fit.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cable-Hole Torque Hinges: When Wire-Through Makes Sense - Hinges Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Cable-hole torque hinges route wires through a hollow shaft. Learn when wire-through designs make sense, how to pick hole size and torque, and where they fit.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/\" \/>\n<meta property=\"og:site_name\" content=\"Hinges Manufacturer\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-22T09:37:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-22T09:38:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hinges-htan.com\/wp-content\/uploads\/2026\/06\/360-swivel-torque-hinge-ceiling-light.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1466\" \/>\n\t<meta property=\"og:image:height\" content=\"1073\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Anson Li\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"Anson Li\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/\"},\"author\":{\"name\":\"Anson Li\",\"@id\":\"https:\/\/hinges-htan.com\/it\/#\/schema\/person\/bdae1689504e890550b742b5038e3e97\"},\"headline\":\"Cable-Hole Torque Hinges: When Wire-Through Makes Sense\",\"datePublished\":\"2026-06-22T09:37:08+00:00\",\"dateModified\":\"2026-06-22T09:38:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/\"},\"wordCount\":2793,\"publisher\":{\"@id\":\"https:\/\/hinges-htan.com\/it\/#organization\"},\"image\":{\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/hinges-htan.com\/wp-content\/uploads\/2026\/06\/360-swivel-torque-hinge-ceiling-light.webp\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"it-IT\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/\",\"url\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/\",\"name\":\"Cable-Hole Torque Hinges: When Wire-Through Makes Sense - Hinges Manufacturer\",\"isPartOf\":{\"@id\":\"https:\/\/hinges-htan.com\/it\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/hinges-htan.com\/wp-content\/uploads\/2026\/06\/360-swivel-torque-hinge-ceiling-light.webp\",\"datePublished\":\"2026-06-22T09:37:08+00:00\",\"dateModified\":\"2026-06-22T09:38:47+00:00\",\"description\":\"Cable-hole torque hinges route wires through a hollow shaft. 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At HTAN, I've led the design and production of torque hinges, lift-off hinges, and enclosure hardware for clients across 55 countries. My work spans medical devices, electrical cabinets, cold chain equipment, and EV charging infrastructure.\",\"sameAs\":[\"https:\/\/hinges-htan.com\"],\"url\":\"https:\/\/hinges-htan.com\/it\/autore\/wpdev\/\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-what\",\"position\":1,\"url\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-what\",\"name\":\"What is a cable-hole torque hinge?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A cable-hole torque hinge is a positioning hinge with a hollow shaft, so a cable can pass straight through the center of the rotation axis. It holds a panel at a chosen angle through controlled internal friction while also routing wiring across the joint, protecting the cable from the bending and chafing that external routing causes.\",\"inLanguage\":\"it-IT\"},\"inLanguage\":\"it-IT\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-when\",\"position\":2,\"url\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-when\",\"name\":\"When should I use a wire-through hinge instead of a solid one?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Use a wire-through hinge when a powered component on the moving panel needs its cable routed across the hinge axis, when external routing would flex and fatigue the cable, when a clean hidden-wiring appearance matters, or when you want to remove drag chains and external guides to cut part count. Use a solid hinge when nothing on the panel needs wiring, when the cable bundle is too large for a practical bore, or when a very heavy load needs the full strength of a solid shaft.\",\"inLanguage\":\"it-IT\"},\"inLanguage\":\"it-IT\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-size\",\"position\":3,\"url\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-size\",\"name\":\"How do I choose the right cable hole size?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Measure the full cable bundle, including jacket, shielding, and any protective sleeve, then add clearance so the cable can twist freely without pinching. Confirm whether connectors must pass through the bore, and leave margin for any cables a future design revision might add. Tell your supplier both the bundle diameter and the holding torque you need, since the bore and the friction mechanism share the same shaft.\",\"inLanguage\":\"it-IT\"},\"inLanguage\":\"it-IT\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-torque\",\"position\":4,\"url\":\"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-torque\",\"name\":\"Does a cable hole reduce the hinge's holding torque?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A hollow shaft has less material than a solid one of the same diameter, so the bore and the torque mechanism compete for the same cross-section. It does not prevent strong holding torque, but the two must be specified together. 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It holds a panel at a chosen angle through controlled internal friction while also routing wiring across the joint, protecting the cable from the bending and chafing that external routing causes.","inLanguage":"it-IT"},"inLanguage":"it-IT"},{"@type":"Question","@id":"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-when","position":2,"url":"https:\/\/hinges-htan.com\/it\/cavo-foro-coppia-cerniere-filo-attraverso-guida\/#faq-ch-when","name":"Quando \u00e8 meglio utilizzare una cerniera a filo anzich\u00e9 una cerniera piena?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Use a wire-through hinge when a powered component on the moving panel needs its cable routed across the hinge axis, when external routing would flex and fatigue the cable, when a clean hidden-wiring appearance matters, or when you want to remove drag chains and external guides to cut part count. 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