{"id":2567,"date":"2014-07-09T02:44:08","date_gmt":"2014-07-08T18:44:08","guid":{"rendered":"http:\/\/www.cncmachinings.com\/up-close-and-personal-with-the-sr-99-tunnel-boring-machine-cutterhead\/"},"modified":"2014-07-09T02:46:43","modified_gmt":"2014-07-08T18:46:43","slug":"up-close-and-personal-with-the-sr-99-tunnel-boring-machine-cutterhead","status":"publish","type":"post","link":"https:\/\/www.cncmachinings.com\/blog\/up-close-and-personal-with-the-sr-99-tunnel-boring-machine-cutterhead\/","title":{"rendered":"Up close and personal with the SR 99 tunnel boring machine cutterhead"},"content":{"rendered":"<p>Some cool <a href=\"http:\/\/www.cncmachinings.com\/precision-machined-parts-china.html\">machined components China<\/a> images:<\/p>\n<p><strong>Up close and personal with the SR 99 tunnel boring machine cutterhead<\/strong><br \/>\n<img decoding=\"async\" alt=\"\" src=\"https:\/\/www.cncmachinings.com\/blog\/wp-content\/uploads\/2014\/07\/8260835231_aa79183f84.jpg\" width=\"400\" \/><br \/>\n<i>Image by <a href=\"http:\/\/www.flickr.com\/photos\/7821771@N05\/8260835231\">WSDOT<\/a><\/i><br \/>\nBright paint distinguishes the different components of the SR 99 tunnel boring machine\u2019s cutterhead, and each one serves an important function. The large yellow pieces are fixed cutters that score a groove in the soil as the machine moves forward. As the machine rotates the black disc cutters grind boulders and rocks in the soil. Both of these types of cutters are replaceable and are accessed from within the cutterhead\u2019s arms \u2013 when one wears out a new one is put in its place. Learn more about Bertha, the SR 99 tunneling machine, at her <a href=\"http:\/\/www.wsdot.wa.gov\/Projects\/Viaduct\/About\/FollowBertha\" rel=\"nofollow\">webpage<\/a> or follow her on Twitter <a href=\"https:\/\/twitter.com\/BerthaDigsSR99\" rel=\"nofollow\">@BerthaDigsSR99<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Some cool machined components China images: Up close and personal with the SR 99 tunnel boring machine cutterhead Image by WSDOT Bright paint distinguishes the different components of the SR 99 tunnel boring machine\u2019s cutterhead, and each one serves an important function. The large yellow pieces are fixed cutters that score a groove in the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2568,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[1967,747,1968,12,1551,1966],"class_list":["post-2567","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-machining","tag-boring","tag-close","tag-cutterhead","tag-machine","tag-personal","tag-tunnel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Up close and personal with the SR 99 tunnel boring machine cutterhead<\/title>\n<meta name=\"description\" content=\"Up close and personal with the SR 99 tunnel boring machine cutterhead posted by CNC machining China services company and precision CNC machined parts Chinese manufacturer.\" \/>\n<meta name=\"robots\" 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