日立造船公司日前完成了世界最大盾构隧道掘进机的制造,并首次对媒体公开。这台新型盾构机将用于美国西雅图市的隧道工程建设。日立造船此举旨在通过承揽生产海外大型工程项目的相关设备来提高知名度,进一步开拓市场。据日立造船介绍,此次公开的盾构机直径达17.45m,是目前世界最大的盾构机。设备前端“前盾”部分的刀盘安装有约 Hitachi Shipbuilding Co., Ltd. recently completed the manufacture of the world’s largest shield tunnel boring machine and made it publicly available to the press for the first time. The new shield machine will be used for the tunnel construction in Seattle, USA. Hitachi Shipbuilding move aims to contract through the contract production of large-scale overseas projects related equipment to enhance visibility and further open up the market. According to Hitachi shipbuilding introduction, the open shield machine diameter of 17.45m, is the world’s largest shield machine. The front of the equipment “front shield ” part of the cutterhead installation about