{"id":59,"date":"2026-02-03T16:43:48","date_gmt":"2026-02-03T16:43:48","guid":{"rendered":"https:\/\/pennaero.com\/pmi-group\/?post_type=trm_capability_page&#038;p=59"},"modified":"2026-02-05T15:06:00","modified_gmt":"2026-02-05T15:06:00","slug":"cnc-grinding","status":"publish","type":"trm_capability_page","link":"https:\/\/pennaero.com\/pmi-group\/capabilities\/cnc-grinding\/","title":{"rendered":"CNC Grinding"},"content":{"rendered":"\n<section id=\"\" class=\"section padding-vertical-md  has-background-image\" style=\"background: linear-gradient(270deg, rgba(10, 10, 10, 0.00) 0%, #0a0a0a 100%), url(https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/1_Hero-5.png) lightgray center\/cover no-repeat;\">\n  <div class=\"container layout-flex\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"hero container-width-sm \">\n    <h1>CNC Grinding<\/h1>\n  \n    <div class=\"text-container\">\n    <p>Precision surface grinding and polishing services that deliver controlled flatness, exacting tolerances, and high-quality finishes on complex components.<\/p>\n  <\/div>\n  \n  <div class=\"buttons\">\n        <a class=\"button button-primary button-one\" href=\"\/pmi-group\/contact-us\" target=\"_self\">Contact Us<\/a>\n    \n        <a class=\"button button-secondary button-two button-outline\" href=\"\/pmi-group\/our-capabilities\" target=\"_self\">All Capabilities<\/a>\n      <\/div>\n<\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"\" class=\"section padding-vertical-md  background-color-none\">\n  <div class=\"container layout-none\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"grid-wrap grid-2-columns grid-55-45 gap-xl justify-content-center\">\n  <div class=\"acf-innerblocks-container\">\n\n<p class=\"has-large-font-size wp-block-paragraph\">PMI\u2019s CNC grinding and polishing capability is designed for components that demand superior surface condition, tight geometric control, and consistent production quality. Supported by advanced 3- and 4-axis CNC grinding platforms and specialized polishing expertise, PMI helps customers meet demanding dimensional and finish requirements across aerospace, medical, and industrial applications.<\/p>\n\n\n\n<div class=\"flex-wrap flex-1-column gap-md\">\n  <div class=\"acf-innerblocks-container\">\n\n<h2 class=\"wp-block-heading\">Common Applications<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Precision surfaces<\/strong> requiring flatness and co-planarity control within tight tolerances.<\/li>\n\n\n\n<li><strong>Medical device components<\/strong>, including orthopedic implants and surgical instrumentation, needing high-quality polished finishes.<\/li>\n\n\n\n<li><strong>Functional surfaces for aerospace and defense parts<\/strong> where controlled finishes influence assembly fit or performance<\/li>\n\n\n\n<li><strong>Large part surface preparation<\/strong> using Blanchard grinding prior to downstream machining or treatment.<\/li>\n\n\n\n<li><strong>Components requiring surface finishes up to 4 Ra<\/strong> for performance or aesthetic requirements.<\/li>\n<\/ul>\n\n<\/div><\/div>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"\" class=\"section padding-vertical-md  background-color-white\">\n  <div class=\"container layout-none\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"grid-wrap grid-2-columns grid-55-45 gap-xl justify-content-center\">\n  <div class=\"acf-innerblocks-container\">\n\n<div class=\"flex-wrap flex-1-column gap-md\">\n  <div class=\"acf-innerblocks-container\">\n\n<h2 class=\"wp-block-heading\">Technical Range<\/h2>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-db1dfe48 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">PMI\u2019s CNC grinding and polishing capabilities include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CNC Controlled Precision Surface Grinding<\/strong>: 3- and 4-axis automatic grinding capable of maintaining challenging geometric tolerances and flatness<\/li>\n\n\n\n<li><strong>Blanchard Grinding Up to 16\u201d Diameter<\/strong>: Broad capacity for surface preparation on larger components.<\/li>\n\n\n\n<li><strong>Polishing &amp; Buffing Expertise<\/strong>: Advanced expertise in polishing and buffing, including medical-grade finishes on cobalt chrome, titanium implant systems, and surgical instrumentation.<\/li>\n\n\n\n<li><strong>Surface Finish Control<\/strong>: Capable of achieving surface finishes (up to 4 Ra) that meet stringent part requirements.<\/li>\n<\/ul>\n<\/div>\n\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"490\" height=\"490\" src=\"https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/2_Tech-3.png\" alt=\"\" class=\"wp-image-102\" srcset=\"https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/2_Tech-3.png 490w, https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/2_Tech-3-300x300.png 300w, https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/2_Tech-3-150x150.png 150w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/figure>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"\" class=\"section padding-vertical-md  background-color-none\">\n  <div class=\"container layout-none\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"grid-wrap grid-2-columns grid-45-55 gap-xl align-items-center justify-content-center\">\n  <div class=\"acf-innerblocks-container\">\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"490\" height=\"490\" src=\"https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/3_Equipment-3.png\" alt=\"\" class=\"wp-image-103\" srcset=\"https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/3_Equipment-3.png 490w, https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/3_Equipment-3-300x300.png 300w, https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/3_Equipment-3-150x150.png 150w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/figure>\n\n\n\n<div class=\"flex-wrap flex-1-column gap-md\">\n  <div class=\"acf-innerblocks-container\">\n\n<h2 class=\"wp-block-heading\">OnSite Equipment<\/h2>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-db1dfe48 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">PMI\u2019s grinding and polishing operations are supported by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3- and 4-axis CNC surface grinding machines with automated control for precision and repeatability.<\/li>\n\n\n\n<li>Blanchard grinding capacity up to 16\u201d diameter for robust surface stock removal and preparation.<\/li>\n\n\n\n<li>Polishing and buffing stations configured for medical device and high-finish applications.<\/li>\n\n\n\n<li>Custom tooling and fixturing developed in-house to support part-specific setups.<\/li>\n<\/ul>\n<\/div>\n\n<\/div><\/div>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n\n\n\n<section id=\"\" class=\"section padding-vertical-lg  has-background-image\" style=\"background: linear-gradient(270deg, rgba(10, 10, 10, 0.00) 0%, #0a0a0a 100%), url(https:\/\/pennaero.com\/pmi-group\/wp-content\/uploads\/sites\/5\/2026\/02\/Footer-CTA.jpg) lightgray center\/cover no-repeat;\">\n  <div class=\"container layout-flex\">\n    <div class=\"acf-innerblocks-container\">\n\n<div class=\"flex-wrap flex-1-column gap-md container-width-sm\">\n  <div class=\"acf-innerblocks-container\">\n\n<h2 class=\"wp-block-heading has-white-color has-text-color has-link-color wp-elements-1\">Put Our Capabilities to Work<\/h2>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-2 wp-block-paragraph\">Contact PMI to discuss your CNC precision machining requirements and how we can support your project.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/pmi-group\/contact-us\">Contact Us<\/a><\/div>\n<\/div>\n\n<\/div><\/div>\n\n<\/div>  <\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"template":"","class_list":["post-59","trm_capability_page","type-trm_capability_page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CNC Grinding - PMI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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