Prevention of Common Flaw in Heavy Section Ductile Iron Castings 厚大断面球墨铸铁件常见缺陷的防止
The of feet of St on gruphite morphology of heavy section ductile iron is studied in this paper. 应用计算机对厚大断面球铁铸件的凝固过程进行了温度场的数值模拟。
Roof Bolting with Bar and Wire Mesh of the Coal Drift by Crushing Wall Rock in the Heavy Section Multi-intersection Points 大断面多交叉点破碎围岩巷道锚梁网索支护
For the sake of the axis accessory's figuration, the experiment of second wedge heavy section shrinkage was carried out. 为了成形大断面收缩率轴类零件,进行了楔横轧二次楔入试验。
Experimental study on internal defect of heavy section shrinkage workpiece under one cross wedge rolling 大断面收缩率一次楔入轧件心部缺陷的实验研究
The defects that easy occurred in heavy section ductile iron castings as well as the prevention measures were reviewed. 概述了厚大断面球墨铸铁件易产生的几种缺陷及防止措施。
Analysis on rolling stability of heavy section shrinkage cross wedge rolling 大断面收缩率楔横轧稳定轧制问题分析
Forming principle of heavy section shrinkage cross wedge rolling by single wedge 楔横轧一次楔大断面收缩率成形机理
Quality of Surface of Heavy Section Bar Improved by In-line Flame Cleaning of Processing Bloom 在线中间坯火焰清理改善大型棒材表面质量火焰光度[测定]法
The test results might be useful to similar projects in the area of dead-weight collapse loess with heavy section and to revise "Code for building construction in collapsible loess regions". 试验成果可作为今后大厚度自重湿陷性黄土地区工程建设以及黄土规范进一步修订的参考。
This study result widens the processing limit of cross wedge rolling and is of momentous significance to develop heavy section shrinkage products of cross wedge rolling. 该研究拓宽了楔横轧加工界限,对大断面收缩率产品的开发有重要意义。
Solidification microstructures in heavy section high manganese steel casting were simulated using coupling cellular automaton ( CA) and finite element method ( FEM). 采用元胞自动机与有限元相耦合的方法模拟厚断面高锰钢铸件凝固组织。
Microstructure and Mechanical Properties in Heavy Section Ductile Iron 厚大断面球铁的显微组织及力学性能
Experiment Study in High Gas Heavy Section Colligate Driving Drift Hydraulic Pressure Rockbolt Drill Vehicle 高瓦斯大断面综掘巷道液压锚杆钻车试验研究
Microstructures and mechanical properties of high strength heavy section H-beam after rough rolling 高强度厚壁H型钢粗轧工艺对组织性能的影响
The validity of the apparatus to the research on the solidification behavior of ductile iron with heavy section was verified. 验证了这一装置对于厚大断面球铁铸件研究的有效性。
Effect of Suspension Pouring Process on Graphite Morphology and Solidification Behaviour of Heavy Section Ductile Iron 悬浮浇注对大断面球铁石墨形态及凝固特性的影响
The design characteristics, foundry technology and ultrasonic test method of heavy section ductile iron bearings for steam turbines was described and analyzed. 分析了汽轮机厚断面球铁件轴承座的设计特点、铸造技术和超声波探伤。
An Improvement on Heat Treating Process of Heavy Section Plate Spring and Stabilization Rod 大截面板簧和稳定杆的热处理改进
I beam pass design and optimizing method are researched and automatic drawing system and databse are completed according to production in AISC Heavy Section Mill. 根据鞍钢大型厂工字钢生产的特点,研究了工字钢孔型的设计方法、优化方法、自动制图和数据库的建立。
Study of Suspension Casting Process of Heavy Section Ductile Iron 大断面球铁悬浮铸造工艺研究
Analysis on Quality and Lifetime of Roller in Heavy Section Mill 大型轧机轧辊的质量与寿命分析
Study on Manufacturing Technology of Large Diameter Heavy Section Steel Tube 大口径厚壁钢管的生产工艺研究
Application and Research about the Technology of Heavy Section Bunker Construction 大断面煤仓施工技术的应用研究
Experimental Study On The Mixed Nodulizer For Heavy Section Ductile Iron 大断面球铁混合球化剂试验研究
And when 10% of this kind of micro-chill was added by conventional suspension casting process, its effects on the segregation of element, graphite decay, and mechanical property of heavy section ductile iron are also researched. 探讨了采取常规悬浮铸造方法加入10%的该种微型冷铁对大断面珠铁元素偏析、球化衰退及机械性能的影响。
Application of Sb and Bi to Heavy Section Ductile Iron Sb、Bi在厚大断面球铁件中的应用
Effects of Molybdenum and Aluminium on Toughness of Heavy Section 9% Nickel Steel Plates 钼和铝对9%Ni厚钢板强韧性的影响
Several Main Issues in Production of Heavy Section Ductile Iron Castings 厚大断面球铁生产中的几个主要问题
The low temperature mechanical properties of heavy section ductile iron is particularly important because of its special use. 因其特殊的用途,厚大断面球铁的低温力学性能显得尤为重要。