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- Fatigue crack propagation tests were conducted on a circumferentially pre-cracked round bar of a medium carbon steel under combined torsion and tension. 研究了从中碳钢圆棒试样的环状预裂纹开始的疲劳裂纹扩展行为,分析了扭转/拉伸复合加载时不同载荷比对弹塑性疲劳裂纹扩展的影响。
- Key control Meimei next move around the space bar steel, glass dirty by several more could be wiped. 方向键控制美眉上下左右移动,空格键擦玻璃,玻璃很脏要多按几下才能擦干净。
- The structure of the shearing die,running on common use press,with radial clamping for round bar was introduced. 介绍了一种用在通用冲床上的径向夹紧圆钢剪切模的结构、工作原理和设计制造要点。
- The online bar steel counting system includes the counting system and the bundling system. 在线棒材计数系统包括计数系统和打捆系统,后者主要是精确分离棒材。
- The production line of round bar and section steel 圆钢,型钢生产线
- According to the characteristic and request of high-speed shear for bar steel, emphasized on the structural design of this type of high-speed shear. 针对棒料高速剪切的特点和要求,重点进行了液气式高速棒料剪切机的结构设计,该机采用进油打击,气压回程实现高速剪切的工作循环。
- The round bar to be cutis fixed and the grooving tool is rotating with spindle,in the meantime, the tool is fed in radially. 其特点是将国棒料固定,切槽刀随主轴刀盘回转的同时作径向切削运动。
- All kinds of formulae calculating the spread of bar steel rolling have been analysed theoretically and evaluated by experiments. 从理论和实验两方面分析了现有各种确定型钢轧制宽展变形的方法。
- Research of Crack on Forged Steel Round Bar 锻圆内部低倍裂纹缺陷的研究
- The classic theoretical solution of the force for the plas- tic deformation of one end of round bar between the dies with dip angle has not been known up to the present. 使圆杆端部在倾斜压模之间受压而发生大塑性变形情况下的塑性变形力问题;目前尚未见有经典的理论解.
- The arithmetic of erosion to delete burr and thinning was carried out for image processing and counting of bar steel rankly on the transmission bench before bounded. 采用腐蚀去除毛刺和细化等算法对打捆前移钢台架上并行排列的棒材进行图像处理并计数。
- Due to large hatch openings, hatch coming shall be strengthened for prevent deformation. Anti champing half round bar to be fitted on the lower side of the hatch comings. 由于舱口较大,舱口围应该加强以防变形,在舱口围下端应该安装防磨半圆钢。
- The online bar steel counting system includes:The counting system and the bundling system,the bundling system mainly solves the bar steel precise separation. 在线棒材计数系统包括:计数系统和打捆系统,打捆系统主要解决棒材的精确分离。
- Rod: round sections smaller than round bars, up to about 10mm in diameter. 细棒材--横断面为圆形,比圆棒材小,最大直径约l0mm。
- The influence of multislit rolling on the conroll of bar steel bas been analysed from balancing of matter flow, the linking of tEe processes and matching of billet 's temperature. 同时,从物流衔接、工艺衔接、温度衔接等方面分析了多线切分轧制对棒材连铸连轧的影响;
- The article introduces the quality,varieties and development of bar steels in Bao Steel. 介绍了宝钢条钢产品的质量及品种开发。
- They adopt hydraulic driving system and they are latest iron workers in our country, Various metal plate, squarebar, round bar, angle, channel and joist can be cut, punched and notched on the machine. 采用液压传动,是目前国内联合冲剪机最新产品,能对板材、方钢、圆钢、角钢、槽钢、工字钢进行剪切、冲孔、模剪,并配备剪切挡料装置。
- The article puts forward that polygonal pass contour is a stable pass for rolling large round bars through the updating of Beiman 825 Bloomer. 通过对北钢825初轧机轧制大圆钢的孔型系统的改进,提出多角孔型是轧制大圆钢比较稳定的孔型系统。
- Taking the dynamical system of high-speed shear for bar as the research object to meet the demand of high-speed shear for bar steel because of the high speed of shearing blade is above 5m/s during shearing process ensures the quality of the cross-section. 由于高速剪切要求剪切速度在5m/s以上,而且在关键的剪切过程中需要保持稳定高速,以期达到理想的棒料断面剪切质量,其动力系统的设计是重点和难点。
- We want to buy Hot Rolled Round Bars, Plates, Sheets, Wire Rods, Coils, Strips, Billets, Metal Scraps. 我们要采购热轧轮酒吧,板,床单,线材,弹簧圈,带,坯料,金属废料
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