1) Turnover model constructive technology
翻模工艺
2) burring process
翻孔工艺
1.
A burring process of thin_wall parts was introduced.
介绍了一种薄壁件翻孔工艺 ,推导了胀形尺寸及变形区缩小次数的计算公式 ,并通过空调器散热片实例验证了该工艺方法及计算公式是正确
3) tube inversion
翻管工艺
1.
The deformation characteristics of the tube inversion process are studied.
研究了翻管过程所经历的几个典型瞬时状态,从理论上导出锥形模翻管由扩口→卷曲→翻卷变形模式的转化条件,并经实验修正,从而提出了模具的卷曲临界角a_0、自由卷曲半径ρ、卷曲干涉半径ρ_e、管端开裂的塑性条件ρ_塑和翻管工艺力P_(min)等用于现实工程的计算式。
5) over-form construction
翻模施工
1.
From formwork design,over-form construction technology,cross slab,mix proportion design and other aspects discussion is made.
结合K33+145大桥地形及设计特点,介绍了超大薄壁空心墩施工技术,从模板设计、翻模施工工艺、横隔板施工及混凝土配合比设计等方面进行了论述,指出翻模施工具有模板安装拆卸方便、施工方法简单等特点,为其他类似工程提供参考借鉴。
2.
Combined with practical work the plan, construction technology of over-form construction with external lifting scaffold are introduced as well as formwork and reinforcement work.
结合具体工程实例 ,介绍了外爬架翻模施工的施工方案、施工工艺以及模板和钢筋的施工 ,应用工程质量验证了选择该方法的优越性 ,确保同类高塔墩合理施工。
6) turnover form construction
翻模施工
1.
The turnover form construction of rectangular thin-walled hollow pier;
矩形薄壁空心墩翻模施工
2.
The paper compares several methods that could be adopted in the construction of the Youxi Bridge,turnover form construction was eventually adopted,and then the article carries on detailed treatise on the method,it has the reference cost to construct high pier.
对佑溪大桥的薄壁高墩施工所能采用的几种施工方法进行了综合比较,通过比较后选择了塔吊提升翻模施工法,并对该方法进行了详细论述,对于高墩施工具有一定的参考价值。
补充资料:常用打孔工艺
常用的打孔方法有:钻头钻孔,电火花加工打孔,激光打孔等
1、钻头钻孔
适合打大孔,直径在2MM以上的孔,且钻头易断,产品废品率较高。
2、电火花加工
打孔在0.2mm以上,加速度很慢
3、激光打孔
可以打0.1以上的孔,速度较快,深度不超过4MM
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条