Taking part in National Blasting& Peening Standardization Technology Committee, assuming blast cleaning, shot peening for shipyards, steel structure plant, foundry plant, steel pipe plant and so on. 参加全国抛喷丸标准化技术委员会,承担船舶、钢结构、铸造、钢管等各个行业中抛丸、喷砂国家及行业标准的制定。
The proper shot peening process was presented on the basis of shot peening density and coverage test. 通过疲劳试验,得出了喷丸处理对弯曲疲劳强度和接触疲劳强度的影响程度。
The results show that the contact fatigue limit can be raised by shot peening, and the residual stress fields in-duced by shot peening do not change approximately during the earlier stage of con-tact rolling, which is one of the reasons for increasing contact fatigue life. 结果表明,喷丸可使接触疲劳强度提高;喷丸所引入的残余压应力场在滚压过程前期基本不发生变化,是喷丸延长接触疲劳寿命原因之一。
Based on briefly described principle and processing conditions of shot peening and gear strengthening, the requirements of gear strengthening technology for equipment design and constructional features of shot peening equipment are analysed in this paper. 在简述了齿轮强化喷丸原理与加工条件的基础上,分析了齿轮强化喷丸工艺对设备设计提出的要求及齿轮强化抛丸设备的结构特点。
Shot peening is widely used in industry, while laser shot processing is a emerging modern process in metal part surface modification. 喷丸强化在工业界已得到广泛的应用,而激光冲击强化处理是最近几年来出现的表面改性新工艺。
Based on the study of general algorithms for Integral Wing Panel's shot peening path design and forming factors, an shot peening path design algorithm for complex Integral Wing Panel's forming in the string direction are proposed, and a proof-test is taken. 在分析传统机翼整体壁板喷丸路径计算方法和成形影响因素的基础上,提出了适用于现代复杂翼型整体壁板弦向曲率成形的喷丸路径算法,并以某壁板为例进行了验证。
The equipment, technology technical inspection, strengthening effect and mechanism of shot peening are reviewed. The paper can be used as a reference for engineers in their study, research and application of shot peening technique. 本文简要介绍了喷丸设备、喷丸强化工艺、技术检验、强化效果和强化机制,可供工程技术人员作为了解、研究以及推广喷丸技术的参考。
Due to residual stress induced by laser shot peening can be deeper in depth than traditional shot peening, its ability to safeguard the component is better than mechanical shot peening's. 由于激光喷丸具有形成的残余压应力比机械喷丸深等优势,因而强化效果更佳。
The surface residual stresses of tank track pins after being strengthened by means of rolling, shot peening or rolling plus shot peening were measured by X-ray stress measurer, respectively. 用X射线应力测量仪分别测定了坦克履带销经滚压、喷丸和滚压加喷丸三种表面强化后的表面残余应力。
As the shot peening pressure or time increased, martensite phase gradually increased, and austenitic phase reduced correspondingly. ( 2) Along with the shot peening pressure or time increased, sample surface grain tapered off, and lattice distortion increase accordingly. 随着喷丸压力或喷丸时间的增加,马氏体相逐渐增多,而奥氏体相相应减少。(2)随着喷丸压力增大或喷丸时间的增加,试样表层晶粒逐渐变细,晶格畸变相应增大。
The change of the stress and strain before and after shot peening was obtained by the simulation of shot peening based on welding stress and distortion, which showed the mechanism of the decrease of distortion after shot peening. 通过对喷丸矫正焊接变形过程的模拟,得到了喷丸前后应力应变分布的变化,合理解释了喷丸矫形的机理。
The surface hardness of the specimen shows an increasing rate, following the increase in the diameter of shots, shots coverage and shot peening pressure. ( 2) Shot peening process on the specimen surface can refine surface grains. 随着弹丸直径、覆盖率和喷丸压力增大,材料表层硬度升高;(2)表面喷丸强化对304不锈钢表层晶粒有细化作用。
This paper is aiming at studying on the parameters optimization for strengthening effect of laser shot peening, which can achieve the control and optimization for strengthening effect of laser shot peening. 本课题针对激光喷丸强化技术应用中工艺控制的关键问题&激光工艺参数的合理优化进行研究,以主动实现对激光喷丸强化效果的优化控制。
Shot peening could promote crystallization of nickel base single crystal and more, made layer crystal block more fragment. With increasing of surface coverage, ODF maximum orientation density and orientation line strength decreases, the sample showed different shot peening layer texture characteristics. 喷丸处理促使镍基单晶多晶化,喷丸层晶块碎化,随着表面覆盖率的提高,ODF最大取向密度和取向线强度逐渐降低,样品喷丸层呈现不同的织构特征。
The effect of the peening time, peening distance and ball quantity on the surface roughness is very small. Shot diameter has a significant effect on the surface roughness. With the decreasing of the diameter, the surface roughness will be better. 喷丸距离、喷丸时间和钢球数量对于喷丸后的表面粗糙度影响较小,钢球直径对表面粗糙度影响明显,随着直径的增加表面粗糙度增加。