... 船用门式起重机 gantry crane on board 门式起重机架 gantry frame 龙门吊门式起重机 gantree crane ...
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clearance of seaside gantry frame [机] 侧门框净空尺寸
Steel structures are jib and A-frame, slewing platform and gantry frame.
钢结构构造简单，主要有臂架、人字架、回转平台以及门架组成。
Gantry frame structure is adopted, with high intensity and without deformation.
采用龙门框架结构，强度高，不变形。
Those stiffness parameters provided confirmable consult for gantry frame machining center design. The process gives a simple method for the same type machine tool's stiffness analysis.
刚度参数为龙门加工中心白勺刚度设计提供了定量参考，求解过程为同类机床白勺刚度分析提供了一种简捷可行白勺方法。
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