{"id":153,"date":"2025-06-20T08:51:50","date_gmt":"2025-06-20T08:51:50","guid":{"rendered":"https:\/\/chungding.com\/?page_id=153"},"modified":"2025-08-04T06:52:52","modified_gmt":"2025-08-04T06:52:52","slug":"cbn","status":"publish","type":"page","link":"https:\/\/chungding.com\/en\/services\/cbn\/","title":{"rendered":"CBN | \u6c2e\u5316\u787c\u5200\u5177"},"content":{"rendered":"

CBN (Cubic Boron Nitride) cutting tools are made by tightly sintering cubic boron nitride with a tungsten carbide base. Their hardness is second only to PCD (Polycrystalline Diamond) tools, and they possess excellent chemical stability, not reacting with iron, cobalt, or nickel-based metals.<\/h3>\n\n\n\n
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more product series<\/a><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
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CBN - For Internal Diameter Boring<\/figcaption><\/figure>\n\n\n\n
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CBN - For Optical Lens Applications<\/figcaption><\/figure>\n\n\n\n
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CBN - For Internal and External Diameter Applications<\/figcaption><\/figure>\n<\/figure>\n\n\n\n
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Product Structure<\/h5>\n\n\n\n

CBN cutting tools are made by sintering cubic boron nitride (CBN) with a tungsten carbide base. They offer high hardness and excellent chemical stability, not reacting with iron, cobalt, or nickel-based metals. These tools are particularly suitable for machining hardened steels (HRC 45\u2191), chilled cast iron, and Inconel heat-resistant alloys. With the increasing demand for environmental protection and efficiency, CBN turning is gradually replacing traditional grinding methods.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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Processing Advantages and Usage Recommendations<\/strong><\/strong><\/strong><\/h5>\n\n\n\n

CBN cutting tools, when designed properly, offer high impact resistance, making them suitable for interrupted cutting and dry machining.\n\nUsage recommendations include:\n\n- Keep the tool overhang short and ensure stable clamping, with a preference for negative rake inserts (e.g., TNMA1604, VNMG1604).\n\n- The recommended cutting angle should be at least 15\u00b0, adjustable up to 45\u00b0 depending on the working conditions.\n\n- Prior to machining, always apply chamfering and ensure adequate cutting fluid supply to prevent corner chipping of the workpiece.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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SRH Treatment Technology and Benefits<\/h5>\n\n\n\n

To further enhance the lifespan and surface quality of CBN tools, SRH treatment (Small-Radius Honed) can be selected. This involves adding a small radius (0.02~0.05mm) to the cutting edge's negative rake angle.\n\nAccording to practical experience, SRH treatment can extend tool life by approximately 20-30%, while also improving the surface roughness (Ra) of the machined workpiece.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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Thank you for your attention to Chungding Diamond Tools!<\/h4>\n\n\n\n

If you have any questions about our products, need technical assistance, wish to request a product catalog, or would like to discuss potential cooperation, please feel free to contact us through the following methods.<\/p>\n\n\n\n

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Contact Us<\/a><\/div>\n<\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

CBN(\u6c2e\u5316\u787c)\u8eca\u5200\u662f\u7531\u6c2e\u5316\u787c\u8207\u78b3\u5316\u93a2\u57fa\u5ea7\u7dca\u5bc6\u71d2\u7d50\u800c\u6210\uff0c\u786c\u5ea6\u50c5\u6b21\u65bc PCD(\u805a\u6676\u947d\u77f3\u5200\u5177)\uff0c \u4e26\u5177\u6709\u6975\u4f73\u7684\u5316\u5b78 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":11,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","hide_page_title":"","footnotes":""},"class_list":["post-153","page","type-page","status-publish","hentry"],"yoast_head":"\nCBN | \u6c2e\u5316\u787c\u5200\u5177 - \u4e2d\u9f0e\u947d\u77f3\u5de5\u5177\u6709\u9650\u516c\u53f8<\/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:\/\/chungding.com\/en\/services\/cbn\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CBN | \u6c2e\u5316\u787c\u5200\u5177 - 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