{"id":3854,"date":"2023-11-08T08:58:03","date_gmt":"2023-11-08T05:28:03","guid":{"rendered":"https:\/\/najminstrument.com\/%da%a9%d8%a7%d9%84%db%8c%d8%a8%d8%b1%d8%a7%d8%b3%db%8c%d9%88%d9%86_%d9%85%d8%a7%d8%b4%db%8c%d9%86_cnc\/"},"modified":"2025-11-05T16:35:12","modified_gmt":"2025-11-05T13:05:12","slug":"calibration-of-cnc-machine","status":"publish","type":"post","link":"https:\/\/najminstrument.com\/en\/calibration-of-cnc-machine\/","title":{"rendered":"Axis parallelism and orthogonality inspection"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<\/p>\n<h3 style=\"text-align: center;\">n CNC machine calibration, a digital inclinometer is used to check and adjust axis parallelism and orthogonality, ensuring precise geometric alignment and machining accuracy.<\/h3>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<\/p>\n<p lang=\"en\">In precision machine\u2011building industries, particularly in CNC and VMC machines, the parallelism and orthogonality of machine components play a crucial role in operational accuracy and product quality. Even minor deviations in these parameters can lead to accuracy loss, increased scrap rates, and potential machine damage.<\/p>\n<p lang=\"en\">One of the most effective instruments for measuring and controlling these parameters is the <strong>digital inclinometer<\/strong>, which\u2014with its high precision and ease of use\u2014significantly improves the calibration and alignment processes of such machines.\u0631<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;]<div class=\"cz_gap clr \" style=\"height: 20px\"><\/div><div id=\"cz_99338\" class=\"cz_99338 cz_title clr cz_title_pos_inline\"><div class=\"cz_title_content\"><div class=\"cz_wpe_content\"><h3>\u0627\u0647\u0645\u06cc\u062a \u062a\u0648\u0627\u0632\u06cc \u0648 \u062a\u0639\u0627\u0645\u062f \u062f\u0631 \u0645\u0627\u0634\u06cc\u0646\u200c\u0647\u0627\u06cc CNC<\/h3>\n<p lang=\"en\">In high\u2011precision machines such as CNC and VMC systems, the alignment of guideways, the orthogonality between axes, and the perpendicularity of the spindle rotational axis to the worktable surface are among the key factors ensuring machining accuracy.<\/p>\n<p lang=\"en\">These parameters must be adjusted in accordance with strict quality standards to guarantee the highest precision in cutting, drilling, and milling operations.<\/p>\n<p lang=\"en\">For example:<\/p>\n<ul lang=\"en\">\n<li><strong>Guideway alignment (Fig.\u202f2)<\/strong><\/li>\n<li><strong>Axis orthogonality (Fig.\u202f3)<\/strong><\/li>\n<li><strong>Perpendicularity of spindle rotational axis to the worktable surface (Fig.\u202f4)<\/strong><\/li>\n<\/ul>\n<p lang=\"en\">All these measurements can be performed using a <strong>digital inclinometer<\/strong>. Moreover, for angle or slope milling operations, a <strong>dual\u2011axis digital inclinometer<\/strong> can be utilized.<\/p>\n<\/div><\/div><\/div>[\/vc_column][vc_column width=&#8221;1\/2&#8243;]<div id=\"cz_14171\" data-position=\"top-right\" class=\"cz_14171 cz_image clr cz_image_no_fx center_on_mobile\"><div class=\"\" ><div class=\"cz_image_in\"><div class=\"cz_main_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"435\" src=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/green-3.jpg\" class=\"attachment-full\" alt=\"\" title=\"green-3\" srcset=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/green-3.jpg 1000w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/green-3-300x131.jpg 300w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/green-3-768x334.jpg 768w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/green-3-600x261.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div><\/div><\/div><\/div>[\/vc_column][\/vc_row][vc_row el_id=&#8221;img2&#8243;][vc_column width=&#8221;1\/2&#8243;]<div id=\"cz_16369\" data-position=\"top-right\" class=\"cz_16369 cz_image clr cz_image_no_fx center_on_mobile\"><div class=\"\" ><div class=\"cz_image_in\"><div class=\"cz_main_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"502\" src=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img2-2.jpg\" class=\"attachment-full\" alt=\"\" title=\"img2-2\" srcset=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img2-2.jpg 1000w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img2-2-300x151.jpg 300w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img2-2-768x386.jpg 768w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img2-2-600x301.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div><\/div><div class=\"cz_image_caption mt10 cz_wpe_content\"><p style=\"text-align: center;\">\u0634\u06a9\u0644 \u06f2<\/p>\n<\/div><\/div><\/div>[\/vc_column][vc_column width=&#8221;1\/2&#8243;]<div class=\"cz_gap clr \" style=\"height: 100px\"><\/div><div id=\"cz_84924\" class=\"cz_84924 cz_title clr cz_title_pos_inline\"><div class=\"cz_title_content\"><div class=\"cz_wpe_content\"><h3 lang=\"en\"><strong>Guideway Alignment Measurement Method<\/strong><\/h3>\n<p lang=\"en\">To determine the alignment accuracy of machine guideways, place the <strong>digital inclinometer<\/strong> on the worktable surface and move it along the guideway\u2019s length.<\/p>\n<p lang=\"en\">When using a <strong>dual\u2011axis digital inclinometer<\/strong>, both types of angular deviations \u2014 <strong>roll<\/strong> and <strong>pitch<\/strong> \u2014 can be measured simultaneously in a single step.<\/p>\n<p lang=\"en\">This method saves time and enhances the precision of machine adjustment and calibration.<\/p>\n<\/div><\/div><\/div><div id=\"cz_87666\" class=\"cz_87666 cz_title clr cz_title_pos_inline\"><div class=\"cz_title_content\"><div class=\"cz_wpe_content\"><h4>Movement along the X or Y axis for guideway alignment measurement<\/h4>\n<\/div><\/div><\/div>[\/vc_column][\/vc_row][vc_row el_id=&#8221;img3&#8243;][vc_column width=&#8221;1\/2&#8243;]<div class=\"cz_gap clr \" style=\"height: 20px\"><\/div><div id=\"cz_31219\" class=\"cz_31219 cz_title clr cz_title_pos_inline\"><div class=\"cz_title_content\"><div class=\"cz_wpe_content\"><h3 lang=\"en\"><strong>Axis Orthogonality Control<\/strong><\/h3>\n<p lang=\"en\">To measure the orthogonality between the X,\u202fY,\u202fand\u202fZ axes in a CNC or VMC machine, use a <strong>digital inclinometer<\/strong> with a full measurement range.<\/p>\n<p lang=\"en\">Place the inclinometer on the <strong>worktable surface<\/strong> and set it to <strong>zero<\/strong>.<\/p>\n<p lang=\"en\">Then position it along the <strong>vertical (Z) axis<\/strong> of the machine and check the indicated angle.<\/p>\n<p lang=\"en\">If the measured angle deviates significantly from <strong>90\u202fdegrees<\/strong>, it indicates a need for axis alignment correction.<\/p>\n<p lang=\"en\">By using the <strong>Relative mode<\/strong> of the inclinometer, axis orthogonality can be measured accurately even if the entire machine is not perfectly leveled.<\/p>\n<\/div><\/div><\/div><div id=\"cz_79459\" class=\"cz_79459 cz_title clr cz_title_pos_inline\"><div class=\"cz_title_content\"><div class=\"cz_wpe_content\"><ul>\n<li><strong>Zero the machine on the worktable surface.<\/strong><\/li>\n<li><strong>Record the measured non\u2011orthogonality value displayed on the screen<\/strong><\/li>\n<\/ul>\n<\/div><\/div><\/div>[\/vc_column][vc_column width=&#8221;1\/2&#8243;]<div id=\"cz_45583\" data-position=\"top-right\" class=\"cz_45583 cz_image clr cz_image_no_fx center_on_mobile\"><div class=\"\" ><div class=\"cz_image_in\"><div class=\"cz_main_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"588\" src=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img3.jpg\" class=\"attachment-full\" alt=\"\" title=\"img3\" srcset=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img3.jpg 1024w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img3-300x172.jpg 300w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img3-768x441.jpg 768w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img3-600x345.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><div class=\"cz_image_caption mt10 cz_wpe_content\"><p style=\"text-align: center;\">\u0634\u06a9\u0644 \u06f3-\u06f1<\/p>\n<\/div><\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;]<div id=\"cz_98944\" data-position=\"top-right\" class=\"cz_98944 cz_image clr cz_image_no_fx center_on_mobile\"><div class=\"\" ><div class=\"cz_image_in\"><div class=\"cz_main_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"521\" src=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img4.jpg\" class=\"attachment-full\" alt=\"\" title=\"img4\" srcset=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img4.jpg 1024w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img4-300x153.jpg 300w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img4-768x391.jpg 768w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img4-600x305.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><div class=\"cz_image_caption mt10 cz_wpe_content\"><p style=\"text-align: center;\">\u0634\u06a9\u0644 \u06f3-\u06f2<\/p>\n<\/div><\/div><\/div>[\/vc_column][vc_column width=&#8221;1\/2&#8243;]<div class=\"cz_gap clr \" style=\"height: 100px\"><\/div><div id=\"cz_50566\" class=\"cz_50566 cz_title clr cz_title_pos_inline\"><div class=\"cz_title_content\"><div class=\"cz_wpe_content\"><h3 lang=\"en\"><strong>Spindle Axis Perpendicularity Check with Respect to the Worktable<\/strong><\/h3>\n<p lang=\"en\">To measure this parameter:<\/p>\n<ul lang=\"en\">\n<li><strong>Zero the digital inclinometer on the worktable surface.<\/strong><\/li>\n<li><strong>Mount the inclinometer along the spindle axis and take readings while moving the spindle vertically.<\/strong><\/li>\n<\/ul>\n<p lang=\"en\">This measurement determines the <strong>deviation of the spindle\u2019s rotational axis from the line perpendicular to the worktable surface<\/strong>, which is a <strong>critical factor for precision machining operations.<\/strong><\/p>\n<\/div><\/div><\/div>[\/vc_column][\/vc_row][vc_row el_id=&#8221;img4&#8243;][vc_column width=&#8221;1\/2&#8243;]<div class=\"cz_gap clr \" style=\"height: 20px\"><\/div><div id=\"cz_89278\" class=\"cz_89278 cz_title clr cz_title_pos_inline\"><div class=\"cz_title_content\"><div class=\"cz_wpe_content\"><h3 lang=\"en\"><strong>Key Features of a Suitable Inclinometer for Machine Tool Applications<\/strong><\/h3>\n<p lang=\"en\">A <strong>digital inclinometer<\/strong> intended for <strong>guideway alignment<\/strong>, <strong>axis orthogonality verification<\/strong>, and <strong>spindle axis perpendicularity inspection<\/strong> should possess the following characteristics:<\/p>\n<ul lang=\"en\">\n<li><strong>Dual\u2011axis measurement capability<\/strong> for simultaneous acquisition of <strong>roll<\/strong> and <strong>pitch<\/strong> angles.<\/li>\n<li><strong>Full measurement range (\u00b1180\u202fdegrees)<\/strong> to cover all possible machine orientations.<\/li>\n<li><strong>High thermal stability<\/strong> to ensure consistent performance under varying workshop temperature conditions.<\/li>\n<li><strong>High accuracy and repeatability<\/strong> to guarantee the reliability of machine calibration and geometric verification results.<\/li>\n<\/ul>\n<\/div><\/div><\/div>[\/vc_column][vc_column width=&#8221;1\/2&#8243;]<div id=\"cz_14476\" data-position=\"top-right\" class=\"cz_14476 cz_image clr cz_image_no_fx center_on_mobile\"><div class=\"\" ><div class=\"cz_image_in\"><div class=\"cz_main_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"555\" src=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img5.jpg\" class=\"attachment-full\" alt=\"\" title=\"img5\" srcset=\"https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img5.jpg 1024w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img5-300x163.jpg 300w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img5-768x416.jpg 768w, https:\/\/najminstrument.com\/wp-content\/uploads\/2023\/11\/img5-600x325.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><div class=\"cz_image_caption mt10 cz_wpe_content\"><p style=\"text-align: center;\">\u0634\u06a9\u0644 \u06f3-\u06f1<\/p>\n<\/div><\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column]<div class=\"cz_gap clr \" style=\"height: 10px\"><\/div><div id=\"cz_106241\" class=\"cz_106241 cz_title clr cz_title_pos_inline\"><div class=\"cz_title_content\"><div class=\"cz_wpe_content\"><h3 lang=\"en\"><strong>Conclusion<\/strong><\/h3>\n<p lang=\"en\">By employing a <strong>digital inclinometer<\/strong> in the <strong>inspection and calibration of CNC machines<\/strong>, production accuracy and overall manufacturing quality can be significantly improved.<\/p>\n<p lang=\"en\">This instrument not only makes the alignment process faster and more precise but also helps <strong>prevent mechanical errors<\/strong> and <strong>prolong the machine\u2019s service life<\/strong>.<\/p>\n<p lang=\"en\">Consequently, <strong>investing in high\u2011precision measuring equipment<\/strong>, such as digital inclinometers, results in <strong>higher productivity<\/strong> and <strong>reduced maintenance and repair costs<\/strong>.<\/p>\n<\/div><\/div><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;] n CNC machine calibration, a digital inclinometer is used to check and adjust axis parallelism and orthogonality, ensuring precise geometric alignment and machining accuracy. [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=&#8221;&#8221;] In precision machine\u2011building industries, particularly in CNC and VMC machi &#8230; <a class=\"cz_readmore\" href=\"https:\/\/najminstrument.com\/en\/calibration-of-cnc-machine\/\"><i class=\"fa czico-107-web-link\" aria-hidden=\"true\"><\/i><span>Read more<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":3296,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-3854","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.6 (Yoast SEO v25.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Axis parallelism and orthogonality inspection - NAJM Instrument<\/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:\/\/najminstrument.com\/en\/calibration-of-cnc-machine\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Axis parallelism and orthogonality inspection\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][vc_column_text css=&#8221;&#8221;] n CNC machine calibration, a digital inclinometer is used to check and adjust axis parallelism and orthogonality, ensuring precise geometric alignment and machining accuracy. 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[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=&#8221;&#8221;] In precision machine\u2011building industries, particularly in CNC and VMC machi ... 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