Pilot Production of Deep Cold-Working Self-tapping Screw of 304HC Stainless Steel;
304HC不锈钢深冷变形自攻螺钉的试制
In China,profiled steel sheeting claddings are commonly crest-fixed to members with self-tapping screws in order to improve its waterproof performance.
为了满足防水要求,目前我国在蒙皮连接上广泛采用自攻螺钉在压型钢板的波峰处与构件相连的形式。
Combined with practical construction,the author introduces the fixed form of color steel plate installation,lap joint of side and end,selection of self-tapping screw,and setting of ribbon skylight,illustrates the methods to install color steel plate,and points out the problems should be noticed in installation construction,in order to ensure construction quality.
结合施工实践,对彩钢板安装的固定方式、侧向和端部搭接、自攻螺钉的选用、采光带的设置等方面进行了介绍,并阐述了彩钢板的安装方法,指出了安装施工中需注意的问题,以保证施工质量。
Test program on the shear behavior of stressed skin diaphragm using profiled sheet connected by the self-tapping screws has been carried out.
通过对压型钢板采用自攻螺钉连接的受力蒙皮进行剪切性能的试验,探讨了这类蒙皮的破坏模式和抗剪极限承载力,研究了板型、连接件布置和檩条间距等因素对蒙皮抗剪性能的影响,介绍了《欧洲蒙皮设计建议》(简称EUR)中此类蒙皮的抗剪强度和抗剪刚度的简化计算公式。
To analyze corresponding relation between waster appearing in the course of producing of tapping screw and quality of steel.
分析自攻螺钉生产过程出现的废品与钢质量的对应关系。
5 tapping screw used for washing machine was analyzed by means of optical emission spectrometry,micro-hardness tester,optical microscopy,the scanning electron microscopy and energy dispersive X-ray spectrometer.
5自攻螺钉的断裂原因进行了分析。
The shear behavior of stressed skin diaphragm assembly fastened by self-drilling screws was studied by the cantilever beam diaphragm tests,in which the behavior of large scale spesimens was compared the with small ones.
为研究自攻螺钉连接的受力蒙皮组合体在平面抗剪性能,本文采用了卧式悬臂梁试验方案,进行了大小尺寸试件的对比试验,通过试验和总结前人成果的基础上,提出了非对称受力模型的概念,并据此给出了蒙皮组合体在平面强度和刚度简化计算公式。
Along with fast development of cold-formed super thin-wall(under 2mm) steel structure around the world,research of connection behavior with self-drilling screw as a main connection way is increasingly concerned.
随着2mm以下冷弯超薄壁型钢结构在国内外的快速发展,自攻螺钉作为这类结构最主要的连接方式,其连接性能的研究日益受到重视。
Tapping screws thread
GB/T5280-1985自攻螺钉用螺纹
Hexagon head tapping screws
GB/T5285-1985六角头自攻螺钉
Dry wall screws
GB/T14210-1993墙板自攻螺钉
Cross recessed pan head self-drilling tapping screws
GB/T15856.1-1995十字槽盘头自钻自攻螺钉
Mechanical properties of fasteners--Self-drilling tapping screws
GB/T3098.11-1995紧固件机械性能自钻自攻螺钉
Cross recessed raised countersunk head self-drilling tapping screws
GB/T15856.3-1995十字槽半沉头自钻自攻螺钉
Cross recessed countersunk head self-drilling tapping screws
GB/T15856.2-1995十字槽沉头自钻自攻螺钉
Cross recessed hexagon head tapping screws with indentation
GB/T9456-1988十字槽凹穴六角自攻螺钉
Slotted countersunk head tapping screws
GB/T5283-1985开槽沉头自攻螺钉
Hexagon head tapping screws with collar
GB/T16824.1-1997六角凸缘自攻螺钉
Big washer for tapping screw assembly
GB/T9074.30-1988自攻螺钉组合件用大垫圈
Slotted raised countersunk head tapping screws
GB/T5284-1985开槽半沉头自攻螺钉
Slotted pan head tapping screws
GB/T5282-1985开槽盘头自攻螺钉
Cross recessed pan head tapping screws
GB/T845-1985十字槽盘头自攻螺钉
Cross recessed countersunk head tapping screws
GB/T846-1985十字槽沉头自攻螺钉
Cross recessed raised countersunk head tapping screws
GB/T847-1985十字槽半沉头自攻螺钉
Small washer for tapping screw assembly
GB/T9074.29-1988自攻螺钉组合件用平垫圈
Mechanical properties of fasteners--Tapping screws
GB/T3098.5-1985紧固件机械性能自攻螺钉