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- abrasive grain holding force 磨损粒子夹持力
- If the undeformed chip thickness is reduced, the effect of the top part of the abrasive grain will increase. 当未变形切屑厚度减小时,磨粒顶端钝圆的影响增大;
- The bond is mainly intenbed for hording the abrasive grain together so that the bonded wheels have got definite shapes and necessary strength. 结合剂的主要作用是将磨粒固结在一起,使之具有一定的形状和强度。
- Under the condition of boundary lubrication,adhere wear mechanism and abrasive grain wear mechanism do the business at the same time. 在边界润滑条件下;镀层的磨损机制为粘着磨损与磨粒磨损并存.
- The first principal normal stresses can lead to grinding crack which generates behind the abrasive grain in the plane perpendicular to grain motion. 在磨粒后方,受第一主应力的作用,产生垂直磨削方向的磨削裂纹。
- For the effects of test conditions, the volume wear value increased with the sliding velocity and the abrasive grain size except for the sliding velocity of 1.68 m/s and 3.02 m/s. 在试验范围内,对于同一种尺寸的磨料,随着滑动速度的增加,目标包的体积磨损量增加; 当滑动速度为1.;68m/s和3
- The test results of abrasive grain constitution showed that the standard sands and can assure high testing accuracy is capable to unify the testing result. 对磨料粒度组成的检测结果表明:检测精度较高,能完全达到准确检测粒度组成,统一检则结果的目的。
- The desquamating grade of diamond and the holding force coefficient between matrix and diamond were suggested as new concepts. 提出了金刚石的脱落度和胎体材料对金刚石的把持力系数的新概念。
- The strategy of variable blank holding force is an effective measure for the springback control in sheet metal forming processes. 变压边力策略是在冲压件成型中控制回弹的一种有效措施。
- The fluid jet polishing system is guide a pre-mixed slurry to the surface with a high speed by the use of a nozzle, and the material is removed by the collision and shear action between abrasive grain and the workpiece. 它是利用由小喷管喷出的混有磨料粒子的高速抛光液作用于工件表面,借助于磨料粒子的高速碰撞剪切作用达成材料去除的目的。
- Good performance in adhesion, High Temperature Resistance, Solvent Resistance, Strong Holding Force, No Residual Adhesive Left. For protecting gold finger in the process of PCB. 粘性佳,耐高温、耐溶剂、保持力强、不残胶;用于印刷线路板(PCB)过锡炉喷锡和波峰焊过程中遮蔽保护金手指.
- The wear mechanism of the arc spring-finger is abrasive grain wear by the research of the abrasive wear resistance of the arc spring-finger and the analysis of the abrasive wear resistance of the arc spring-finger is carried by experiment. 3对弧形挑膜齿进行磨损性能的研究,得出弧形挑膜齿的磨损为磨粒磨损,并通过试验对弧形挑膜齿进行磨损性能的分析。
- The stress and grinding mechanism of a single magnetic abrasive grain in the magnetic abrasive finishing are analyzed. The required properties and preparation technologies of MAGS are discussed. 分析了磁力研磨加工过程中单个磁性磨粒的受力状况和磨削机理,论述了磁性磨粒的性能要求和制备工艺。
- The evulsion and letdown is the most common complication of pedicle screw, it’s mostly because the hold force is low, and it relates to the angle of the screw. 椎弓根螺钉的松动和拔钉直接导致内固定失效,椎弓根对螺钉把持力不足是重要影响因素,而把持力的大小与螺钉的置入角度有一定关系。
- A method for detecting the protrusion height of diamond abrasive grain on diamond wheel was proposed based on the digital image identification technology, and the measuring system was established. 提出一种应用数字图像识别技术检测金刚石砂轮磨粒凸出高度的检测方案,并建立了测试系统。
- Formed by intercrossing layers of cotton cloth, sewed spirally with cotton thread, these buffs are suitable for polishing any accessible flat surface, as a set-up wheel with glue and abrasive grain. 用纯棉斜布多层交叉叠放,再经纯棉线螺旋车缝而成,适合平面之研磨物,或接触面涂附胶粘金刚砂切削作业。
- Different blank-holder gaps and separation forces are used to control the blank holding force(BHF). 压边力采用不同的压边间隙和施加不同的分离力来实现。
- Based on the FE model, a large scale experiments are carried out for investigating the effects on deep drawing performance for blank holding force(BHF), axial pushing force and female cavity die. 在所建的有限元模型上,进行了大量的数值模拟实验,研究获得了压边力、轴向推力和凹模腔油压对反拉深性能的影响。
- The results show that the topography is affected not only by the protrusion of abrasive grains, but also by the waviness of bond surface. 测量结果表明:砂轮表面形貌的形成,不仅与砂轮表面磨粒的突出有关,还受结合剂表面高度变化的影响。
- The regular shape of diamond grains is selected as the example.Areas of diamond abrasive grains are equivalent to regular hexagon. 选择晶形较规则的等积形金刚石磨粒作为实例,将金刚石磨粒的面积等效为正六边形。