{"id":3780,"date":"2025-07-29T13:39:12","date_gmt":"2025-07-29T05:39:12","guid":{"rendered":"https:\/\/machinedwasher.com\/?post_type=product&p=3780"},"modified":"2025-07-29T13:51:05","modified_gmt":"2025-07-29T05:51:05","slug":"cbn-inserts","status":"publish","type":"product","link":"https:\/\/machinedwasher.com\/pt\/products\/cbn-inserts\/","title":{"rendered":"Ultra Hard Special CBN Inserts Ideal for Hardened Steel Cast Iron Machining"},"content":{"rendered":"

What are CBN Inserts?<\/strong><\/h3>\n

CBN (Cubic Boron Nitride) inserts<\/strong>\u00a0are ultra-hard cutting tools used for precision machining of hardened steels, cast irons, and superalloys. As the second-hardest material after diamond, CBN provides exceptional heat resistance and wear durability, making it ideal for high-speed, high-precision turning, milling, and boring operations where traditional carbide tools fail.<\/p>\n

\n

Materials of CBN Inserts<\/strong><\/h3>\n
    \n
  1. \n

    CBN Particles<\/strong>\u00a0\u2013 Synthetic cubic boron nitride crystals (40%\u201390% concentration).<\/p>\n<\/li>\n

  2. \n

    Ceramic Binder (TiN, Al\u2082O\u2083, TiC)<\/strong>\u00a0\u2013 Enhances thermal stability and toughness.<\/p>\n<\/li>\n

  3. \n

    Carbide Substrate<\/strong>\u00a0\u2013 Tungsten carbide base for structural support (e.g., WC-Co).<\/p>\n<\/li>\n<\/ol>\n

    \n

    Surface Treatments<\/strong><\/h3>\n
      \n
    • \n

      TiN\/TiAlN Coating<\/strong>\u00a0\u2013 Reduces friction and extends tool life.<\/p>\n<\/li>\n

    • \n

      Mirror Polishing<\/strong>\u00a0\u2013 Improves surface finish on machined parts.<\/p>\n<\/li>\n

    • \n

      Micro-Grain CBN<\/strong>\u00a0\u2013 Refines edge sharpness for finishing cuts.<\/p>\n<\/li>\n<\/ul>\n

      \n

      Specifications<\/strong><\/h3>\n
        \n
      • \n

        Shape:<\/strong>\u00a0Round (R), square (S), triangular (T), diamond (D).<\/p>\n<\/li>\n

      • \n

        Grain Size:<\/strong>\u00a0Fine (0.5\u20132\u00b5m) for finishing \/ Coarse (5\u201310\u00b5m) for roughing.<\/p>\n<\/li>\n

      • \n

        CBN Content:<\/strong><\/p>\n

          \n
        • \n

          Low (40\u201350%) \u2013 For interrupted cuts (e.g., hardened steel milling).<\/p>\n<\/li>\n

        • \n

          High (80\u201390%) \u2013 For continuous turning (e.g., cast iron).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

        • \n

          Nose Radius:<\/strong>\u00a00.2mm\u20131.2mm (affects surface finish and tool strength).<\/p>\n<\/li>\n<\/ul>\n

          \n

          Applications of CBN Inserts<\/strong><\/h3>\n
            \n
          1. \n

            Automotive<\/strong>\u00a0\u2013 Machining hardened crankshafts, brake discs.<\/p>\n<\/li>\n

          2. \n

            Aerospace<\/strong>\u00a0\u2013 Turbine blades, landing gear components.<\/p>\n<\/li>\n

          3. \n

            Oil & Gas<\/strong>\u00a0\u2013 Drilling tool inserts for hard alloys.<\/p>\n<\/li>\n

          4. \n

            Die\/Mold Making<\/strong>\u00a0\u2013 Precision finishing of tool steels (HRC 45+).<\/p>\n<\/li>\n

          5. \n

            Medical Implants<\/strong>\u00a0\u2013 Machining cobalt-chromium alloys.<\/p>\n<\/li>\n<\/ol>\n

            \n

            Excellent Case: High-Speed Machining of Jet Engine Turbine Shafts<\/strong><\/h3>\n

            Scenario:<\/strong>\u00a0A jet engine manufacturer needs to machine\u00a0Inconel 718 turbine shafts (HRC 45)<\/strong>\u00a0with tight tolerances (\u00b10.01mm) and mirror finishes (Ra < 0.4\u00b5m). Traditional carbide tools wear out after 10 minutes.<\/p>\n

            Solution:<\/strong><\/p>\n

              \n
            • \n

              High-CBN (80%) inserts with TiAlN coating<\/strong>:<\/p>\n

                \n
              • \n

                Shape:<\/strong>\u00a0Round (R) with 0.4mm nose radius for fine finishing.<\/p>\n<\/li>\n

              • \n

                Cutting Parameters:<\/strong><\/p>\n

                  \n
                • \n

                  Speed: 250 m\/min (vs. 80 m\/min for carbide).<\/p>\n<\/li>\n

                • \n

                  Feed: 0.05mm\/rev.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

                • \n

                  Coolant:<\/strong>\u00a0High-pressure through-tool cooling.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                  Results:<\/strong><\/p>\n

                    \n
                  • \n

                    Tool Life:<\/strong>\u00a0120+ minutes (12\u00d7 longer than carbide).<\/p>\n<\/li>\n

                  • \n

                    Surface Finish:<\/strong>\u00a0Ra 0.3\u00b5m, eliminating manual polishing.<\/p>\n<\/li>\n

                  • \n

                    Cost Savings:<\/strong>\u00a0$18,000\/year per machine in reduced tool changes.<\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

                    Ultra Hard Special CBN Inserts Ideal for Hardened Steel Cast Iron Machining<\/p>","protected":false},"featured_media":3782,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[29],"product_tag":[2023,2022,2015,2017,2021,2020,2019,2018,700,2016,1143,582,2024,652,698],"class_list":{"0":"post-3780","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-threaded-inserts","7":"product_tag-cbn-cutting-inserts","8":"product_tag-cbn-grooving-inserts","9":"product_tag-cbn-inserts","10":"product_tag-cbn-inserts-for-hard-turning","11":"product_tag-cbn-lathe-inserts","12":"product_tag-cbn-milling-inserts","13":"product_tag-cbn-threading-inserts","14":"product_tag-cbn-turning-inserts","15":"product_tag-sheet-metal-threaded-inserts","16":"product_tag-solid-cbn-inserts","17":"product_tag-stainless-steel-threaded-inserts","18":"product_tag-threaded-inserts","19":"product_tag-threaded-inserts-for-concrete","20":"product_tag-threaded-inserts-for-metal","21":"product_tag-threaded-inserts-metal","23":"first","24":"instock","25":"shipping-taxable","26":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/machinedwasher.com\/pt\/wp-json\/wp\/v2\/product\/3780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machinedwasher.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/machinedwasher.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/pt\/wp-json\/wp\/v2\/comments?post=3780"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/pt\/wp-json\/wp\/v2\/media\/3782"}],"wp:attachment":[{"href":"https:\/\/machinedwasher.com\/pt\/wp-json\/wp\/v2\/media?parent=3780"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/machinedwasher.com\/pt\/wp-json\/wp\/v2\/product_brand?post=3780"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/machinedwasher.com\/pt\/wp-json\/wp\/v2\/product_cat?post=3780"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/machinedwasher.com\/pt\/wp-json\/wp\/v2\/product_tag?post=3780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}