{"id":16675,"date":"2026-01-13T11:59:18","date_gmt":"2026-01-13T04:59:18","guid":{"rendered":"https:\/\/manufacturing-review.com\/?p=16675"},"modified":"2026-01-13T11:59:18","modified_gmt":"2026-01-13T04:59:18","slug":"damages-caused-by-lightning-strikes-to-computer-controlled-machines-cncs","status":"publish","type":"post","link":"https:\/\/manufacturing-review.com\/en\/damages-caused-by-lightning-strikes-to-computer-controlled-machines-cncs\/","title":{"rendered":"DAMAGES CAUSED BY LIGHTNING STRIKES TO COMPUTER-CONTROLLED MACHINES (CNCS):"},"content":{"rendered":"&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-16676 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/11111-600x360.jpg\" alt=\"\" width=\"600\" height=\"360\" srcset=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/11111-600x360.jpg 600w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/11111-700x420.jpg 700w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/11111.jpg 728w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>When there is a thunderstorm or a lightning strike, whether directly on a machine, near or far from it, CNC machine and computer can be damaged to varying degrees. One of the primary causes is a very high-power <strong>Surge<\/strong>, resulting in the immediate burning out of the <strong>Integrated Circuits (ICs) in Power Supply<\/strong>, damage to control <strong>Programmable Logic Controller Drive<\/strong> <strong>(PLC Drive)<\/strong>, <strong>disruption of factory communication system, or system resets<\/strong>, eventually causing production stoppages. Damage can also spread to critical components such as motors, sensors, or cables, especially due to indirect lightning strike entering through power and signal cables through induction.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Problems Affecting CNC Machines Include:<\/strong><\/p>\n<ul>\n<li><strong>Damage to Integrated Circuits<\/strong>: IC chips in Power Supply, and PLC\/VFD control boards may be burned out or damaged by sudden high voltage.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16677 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/Burned-PCB_0.jpg\" alt=\"\" width=\"259\" height=\"194\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-16678 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ddbaf7c48eb8be535d97dcb9b1b713ce5d491a26_0-600x450.jpg\" alt=\"\" width=\"257\" height=\"193\" srcset=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ddbaf7c48eb8be535d97dcb9b1b713ce5d491a26_0-600x450.jpg 600w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ddbaf7c48eb8be535d97dcb9b1b713ce5d491a26_0-1024x768.jpg 1024w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ddbaf7c48eb8be535d97dcb9b1b713ce5d491a26_0-768x576.jpg 768w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ddbaf7c48eb8be535d97dcb9b1b713ce5d491a26_0-1536x1152.jpg 1536w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ddbaf7c48eb8be535d97dcb9b1b713ce5d491a26_0-800x600.jpg 800w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ddbaf7c48eb8be535d97dcb9b1b713ce5d491a26_0-700x525.jpg 700w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ddbaf7c48eb8be535d97dcb9b1b713ce5d491a26_0-640x480.jpg 640w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ddbaf7c48eb8be535d97dcb9b1b713ce5d491a26_0.jpg 1920w\" sizes=\"(max-width: 257px) 100vw, 257px\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Malfunctions<\/strong>: The system may stop working, reset itself, or operate incorrectly (e.g., abnormal axis movement) due to data corruption.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-16679 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/CNC-Crashes-CNC-Fail-Bridgesea-Hardware.webp\" alt=\"\" width=\"264\" height=\"198\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Motor and Drive<\/strong>: Spindle, Servo and Drive may be damaged, rendering the machine immobile or unable to function.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16680 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/Servo-Motor-driver_0.jpg\" alt=\"\" width=\"307\" height=\"164\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Communication System<\/strong>: LAN or Ethernet cables connecting the PLC to the computer may be disrupted, causing communication problems or network equipment failure.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16681 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/images_0.jpg\" alt=\"\" width=\"225\" height=\"225\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Protection System Activation<\/strong>: Circuit breakers trip or fuses blow, causing a power outage throughout the production line.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16682 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/FUSES_0.jpg\" alt=\"\" width=\"194\" height=\"259\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Mechanical Damage<\/strong>: Malfunctions may cause tool collisions, damaging internal components.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16683 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/crashed-4_0.jpg\" alt=\"\" width=\"225\" height=\"225\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Problems with Computers:<\/strong><\/p>\n<ul>\n<li><strong>Data Damage\/Loss<\/strong>: Power surges can damage RAM or hard drives, corrupting processed data or the operating system.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-16684 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/RAM-LOSS_0-600x507.jpg\" alt=\"\" width=\"600\" height=\"507\" srcset=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/RAM-LOSS_0-600x507.jpg 600w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/RAM-LOSS_0-1024x865.jpg 1024w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/RAM-LOSS_0-768x649.jpg 768w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/RAM-LOSS_0-700x591.jpg 700w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/RAM-LOSS_0.jpg 1392w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-16685 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ecowin-dom_0-450x600.jpg\" alt=\"\" width=\"450\" height=\"600\" srcset=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ecowin-dom_0-450x600.jpg 450w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ecowin-dom_0-768x1024.jpg 768w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ecowin-dom_0-600x800.jpg 600w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ecowin-dom_0-700x933.jpg 700w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/ecowin-dom_0.jpg 1108w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Hardware Damage<\/strong>: Main board, control cards, or other peripherals may be damaged by power surges.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16686 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/1122225.jpg\" alt=\"\" width=\"257\" height=\"196\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Viruses\/Malware<\/strong>: Although not directly caused by a lightning strike, electrical interference can weaken the systems and make them more susceptible to viruses..<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16687 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/Virus_0.jpg\" alt=\"\" width=\"335\" height=\"150\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16688 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/virus1_0.jpg\" alt=\"\" width=\"333\" height=\"151\" \/><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Main Causes:<\/strong><\/p>\n<ul>\n<li><strong>Direct Lightning Strike<\/strong>: Rare but very severe.<\/li>\n<\/ul>\n<p><strong>\u00a0<\/strong><\/p>\n<ul>\n<li><strong>Induced Lightning Surge<\/strong>: A lightning strike in a proximity can induce high currents and voltages into power lines, signal lines, or ground wires. This is a more common cause.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-16689 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/1ce76884da5ce70f27018ec97f5ebd0a5ebe5cff_0-369x600.jpg\" alt=\"\" width=\"369\" height=\"600\" srcset=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/1ce76884da5ce70f27018ec97f5ebd0a5ebe5cff_0-369x600.jpg 369w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/1ce76884da5ce70f27018ec97f5ebd0a5ebe5cff_0-629x1024.jpg 629w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/1ce76884da5ce70f27018ec97f5ebd0a5ebe5cff_0-768x1250.jpg 768w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/1ce76884da5ce70f27018ec97f5ebd0a5ebe5cff_0-944x1536.jpg 944w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/1ce76884da5ce70f27018ec97f5ebd0a5ebe5cff_0-700x1139.jpg 700w, https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/1ce76884da5ce70f27018ec97f5ebd0a5ebe5cff_0.jpg 1024w\" sizes=\"(max-width: 369px) 100vw, 369px\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16690 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/Power-Surge-Ex-1_0.jpg\" alt=\"\" width=\"456\" height=\"237\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Prevention Guidelines (Initial):<\/strong><\/p>\n<ul>\n<li>Install appropriate Surge Protection Device (SPD).<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16691 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/SURGED-PROTECTION-DEVICES_0.jpg\" alt=\"\" width=\"300\" height=\"168\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Use a high-quality Uninterruptible Power Supply (UPS)<\/strong> to filter and provide temporary backup power.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16693 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/UPS3_0.jpg\" alt=\"\" width=\"250\" height=\"137\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Check that the earthing\/grounding system meets standards.<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-16692 aligncenter\" src=\"https:\/\/manufacturing-review.com\/wp-content\/uploads\/2026\/01\/GROUND1_0.jpg\" alt=\"\" width=\"275\" height=\"183\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Separate the power cables for CNC machine from general power cables.<\/li>\n<li>Unplug machines and computers during severe thunderstorms.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Electrical abnormalities may affect circuit boards operating in different processes at the time of the incident, resulting in different types of failures, or some machines may fail while others remain unaffected.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Therefore, damage to machinery from the same electrical abnormality caused by a lightning strike may occur in different ways and with different outcomes at different times after the machine encounters electrical abnormality due to the lightning strike. It may occur immediately after the lightning strike, or some equipment may be damaged immediately but the failure may not yet be apparent if that part of the machine has not yet activated. This is true even if the machine is of the same type, model, and brand.<\/p>\n<p>&nbsp;<\/p>\n<p>Some machines may be affected immediately after the electrical abnormality has occurred. However, the symptoms vary from machine to machine.<\/p>\n<p>&nbsp;<\/p>\n<p>Some machines may develop damage that takes a long time to show severe enough to reveal significant damage.<\/p>\n<p>&nbsp;<\/p>\n<p>This is because electrical malfunctions can affect circuit boards operating in different processes at the time of the incident. In such short periods of time\u2014milliseconds or microseconds of working, the chance that the multiple identical machines operating in the same process simultaneously, 100% experiencing the same electrical malfunction, will probably be very low.<\/p>\n<p>&nbsp;<\/p>\n<p>Therefore, people often ask why the same machine, of the same brand and type, performing the same task, doesn\u2019t get damaged next to it.<\/p>\n<p>&nbsp;<\/p>\n<p>I believe very few people understand and accept this. Even I, who consider myself to understand this well, am not entirely satisfied when my own equipment is damaged.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>#SiamElmatech #SiamElmatech<\/strong><strong>, <\/strong><strong>The Bright Enterprise<\/strong><strong>.<\/strong><\/p>\n<p>&nbsp;","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; When there is a thunderstorm or a lightning strike, whether directly on a machine, near or far from it, CNC machine and computer can be damaged to varying degrees. One of the primary causes is a very high-power Surge, resulting in the immediate&#8230;<\/p>\n","protected":false},"author":1,"featured_media":16676,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_links_to":"","_links_to_target":""},"categories":[1333],"tags":[4592],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DAMAGES CAUSED BY LIGHTNING STRIKES TO COMPUTER-CONTROLLED MACHINES (CNCS): - Manufacturing Review<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/manufacturing-review.com\/damages-caused-by-lightning-strikes-to-computer-controlled-machines-cncs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DAMAGES CAUSED BY LIGHTNING STRIKES TO COMPUTER-CONTROLLED MACHINES (CNCS): - Manufacturing Review\" \/>\n<meta property=\"og:description\" content=\"&nbsp; &nbsp; When there is a thunderstorm or a lightning strike, whether directly on a machine, near or far from it, CNC machine and computer can be damaged to varying degrees. 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