The influence of main technique parameters in the forming process is researched, such as percentage reduction, feed rate and main shaft speed.
铝合金轮毂旋压技术是近几年才发展起来的车轮成形新工艺方法,运用刚塑性有限元软件DEFORM 3D对铝合金轮毂旋压成形过程进行数值模拟,考察了不同减薄率、进给率和主轴转速等主要工艺参数对成形过程的影响规律,通过综合分析数值模拟计算的结果,得出一组较合理的工艺参数,用试验验证了分析结果,可以为旋压铝合金轮毂的实际生产提供理论指导。
For a definite feed rate,the cutting thickness increases,dynamic relief angle deceases,and cutting forc.
因此涡旋曲面铣削加工进给率计算必须考虑其曲率的变化,但通常是根据经验按曲率的变化分段安排进给率,不是以精确计算为依据。
The relationship between drilling parameters and cutter\'s endurance was analyzed,the choosing methods of drilling parameters,including depth of drilling,feed rate and drilling speed,were introduced,and a calculating example was given.
大连交通大学摘要:提出一种适用于加工中心的钻削用量确定方法,分析了钻削用量与刀具耐用度的关系,介绍了钻削用量(包括钻削深度、进给率和钻削速度)的选取方法,并给出了计算实例。
inverse time feed rate code
反比时间进给率代码
Feedrate Scheduling Based on Predictive Force Model for NC Machining;
基于铣削力预测模型的加工进给率优化研究
Usually, volumetric models or vector force models used for optimization of feedrate must be created to get the variable feedrate along the tool path.
通常必须创建切削体积模型或矢量力模型来优化刀具路径各段的进给率。
The Effect of the Drive System Parameters on the Vibration Frequency of the Screw
进给系统参数对丝杠振动频率的影响
A new system of rapid roll carriage infeed and return, together with automatic selection of pressure and feed rate, has improved the already impressive floor-to-floor times achieved.
快速辊子进给和返回系统和自动压力、进给速率调节器提高了工作效率。
The ring teeth hob can realize high efficient radialfeedhobbing.
环纹滚刀可以实现高效率的径向进给滚齿加工。
(2)Only depth of cut and federate have effects on material removal rate (MRR).
(2)仅当切削深度、进给速度等参数值增加时,材料去除率增加;
To take the total power microwave radiometer for example the simulative study has been done and the result is given.
以全功率微波辐射计为例进行了仿真研究并给出了结果。
best prevailing rate formula
现行最佳薪给率公式
Gave the film an unflattering review.
给电影以坦率的评论
Placed a cap on mortgage rates.
给抵押利率定一个上限
Suggestions to JJG376-2007 Electrolytic Conductivity Meters
给JJG376—2007《电导率仪》的建议
and the high profile precision, flexible modification of federate related to the change of curvature;
加工轮廓精度高,进给速度可随曲线曲率自适应调整,保证了插补的轮廓精度;
When our sales representatives meet with overseas customers, they can easily retrieve up-to-date sales records and inventory balance in our computer systems.
有效率的员工加上上先进的科技使我们能在四至五星期内生产及运送1000件货物给顾客。
In the early 13th century, Genghis Khan led an expeditionary army to Xinjiang, where he granted the territories he had conquered to his children and grandchildren.
十三世纪初,成吉思汗率军进入新疆后,把他征服的地方分封给其子孙。
Low coverage indicates a process problem, which might require test generation technique to be improved, or training to be imparted to the tester.
低的覆盖率表明方法有问题,可能是测试生成技术需要改进,也可能需要给测试人员提供培训。
The flexural vibration of a circular ring that is of axis symmetry is analyzed and calculated, the solid frequency expression of the flexural vibration is obtained.
对一类轴对称圆环的面内弯曲振动进行了分析计算,给出了圆环面内弯曲振动固有频率表达式。
Chinese has entered into an agedness time Society in which the ad tolks population is 130 million. The elder ty poputation rises 3.2% each gear.
中国已经进入老年型社会,人口1.3亿,年递增率3.2%,这无疑给可持续发展带来巨大压力。
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