查询词典 cutting angle

Solid carbide tungsten fishtail drill is suitable for pcb flexible foil clad laminate,used for target machine drilling,the features of pcb fishtail drill are thin and flexible plate,it's structure and cutting methods are different with normal pcb drill bits.its two main cutting edge is concave and formed 100degree angle,in order to distinguish with PCB drill,named fishtail drill.fishtail drill cuts beginning of circular drill.concave along the main cutting edge to cut,chip is just two much fine filament.cuttingis falling off naturally,in order to be processed without burrformation by pcb surface.

整体硬质合金鱼尾钻适合印制电路板行业加工挠性覆箔板，为打靶机钻孔用。鱼尾钻所加工的印制电路板特性是薄板、带柔性、这样就决定了它的结构和切削方式与一般PCB钻不一样，它的两主切削刃是内凹的，两主切削刃形成100度的夹角，为了与PCB钻区别，就叫它鱼尾名。鱼尾钻切削时从我圆处钻尖开始，沿着内凹的主切削刃切削，切屑只是两条极细丝状切削，整个切削自然剥落，从而被加工印制板表面平整无毛刺。

The main technology parameters that may affect manufacturing the unbroken long metal fiber, including tool normal rake, tool cutting edge inclination angle, chip pulling force, and chip pulling angle, etc, are discussed. The cross section shape of long metal fiber manufactured by microsaw-chippulling combined cutting is hook-like.

通过对自旋转车刀加工金属长纤维的前期试验研究表明，尽量减小切削变形是切削制造金属长纤维的关键：通过对微锯-拉屑复合切削的切削机理研究，得知微锯-拉屑复合切削有很小的切削变形。

On the basis of establishing planar cutting model and cutting equation, through analyzing the rigidity of technical system infrequency chart, change cutting coefficient and the angle of cutter etc, emphasis measuring and analyzing hard turning 45 hardened steel the damaged layer of finished surface cutting force the roughness on finished surface and researching on the mechanism of wear and damage of cutter.

在分析二元切削模型和切削方程的基础上，进一步研究了切削变形及其影响机理；通过工艺系统刚性的频谱分析，改变切削用量、刀具几何参数等因素，测量并分析研究了精切淬硬钢的切削力、已加工表面粗糙度、加工硬化及表面残余应力及刀具的磨损情况，基本形成了精加工45~#淬硬钢的切削基础理论。

Such as the cutting width reduced to 50% below the pressure angle as a negative angle, cutting feed direction of resistance and inconsistent, it will cause vibration.

如切削宽度减小到50%以下，压力角成为负角，切削抗力与进给方向不一致，就会引起振动。

The negative shear area and angle φ′of negative shear plane in metal cutting are first found out and verified by experiments, and effects of angle φ′of negative shear plane on the change of cutting direction fracture formation is experimental studied in orthogonal cutting.

首次提出并证实了金属切削中负剪切区域和负剪切角φ′的存在，讨论了负剪切角φ′对切削方向亏缺形成及其变化的影响。

At last considering the effect of work piece and cutting speed the new shear angle model of aluminum alloy 7050-T7451 was established and proved to be more suitable for expressing the variety of shear angle in high speed cutting process.

最后，基于快速落刀实验和有限元仿真结果对高速切削剪切角模型的进行修正，综合考虑工件材料和切削速度对剪切角的影响，建立适用于铝合金7050-T7451的高速切削加工的切削方程式。

The results show that cutting tools and cutting parameters had an important influence on the quality of the fiber in the planing process of metal fiber. The larger rake angle and appropriate clearance angle of tools favored to fabricate metal fiber. Back engagement influenced the forming process of metal fibers most greatly, feed rate and cutting speed varied little.

研究结果表明：在金属纤维刨削成形过程中，刀具参数和切削用量对纤维的质量有重要影响，较大的刀具前角和合适的刀具后角有利于纤维的成形，而背吃刀量对金属纤维的成形影响最大，切削速度和进给量的影响则不明显。

The results show that the phase shift angle transits from random state to a relatively stable along state with the formation process of cutting chatter and the phase shift angle becomes stable in the early stage of cutting chatter growth.

结果表明，随着颤振的产生，该相位差由无序状态逐渐过渡到相对稳定的状态，并且相位差在颤振产生初期就已经相对稳定。

The results show that the phase shift angle transits from random state to a relatively stable along state with the formation process of cutting chatter and the phase shift angle becomes stable in the early stage of cutting chatter growth.

再生型切削颤振是切削颤振的主要形态，通常所说的切削颤振控制技术从某种意义上说就是控制再生型切削颤振孕育成长的技术。

The cutting pattern and load curves of cutting process of the two cutting heads were given by computer simulation, which showed that the cutting performance of the cutting head with pick arrangement based on equal-rise-angle spiral line was good because of its reasonable pick cut, its uniform cutting pattern and the small value and the fluctuation of its load.

为了评价利用等螺旋升角进行截齿排列设计的截割头的截割性能，选用了一个实际的截割头进行比较，通过计算机仿真获得两个截割头截割过程的切屑图和载荷曲线，经比较分析表明，用等螺旋升角排列截齿的截割头截槽合理，各段切屑图均匀，载荷大小及其波动较小，截割性能良好，所以用等螺旋升角排列截齿是一种高效、实用的截齿排列方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。