Thispaper summarizes the problems of the heavy cutting projects.
本文总结了深挖方路堑存在的问题。
Accurate main shaft structure for heavy cutting, the main shaft is installed on a integrated main shaft head, with excellent rigidity for heavy cutting.
重切削精密主轴结构。主轴安装在一体成型主轴头，重切削刚性佳。
This paper analyzed AC servo heavy cutting feed system component parts and their actions, and built model about mechanical transmission equipment section.
分析了强力切削交流伺服进给系统各组成环节及作用，对机械传动装置部分建立了模型。
This system indicates that the resonance frequency of servo drive in CNC heavy cutting is equal to the lower one of mechanism and speed loop resonance frequency.
通过对五阶系统的分析表明数控强力切削伺服进给系统的谐振频率取决于机械谐振频率和速度环谐振频率中较低的一个。
Faced with chatter during CNC heavy cutting, we constructed the mathematical model of CNC heavy cutting servo system which contains chatter in the process of cutting.
针对数控强力切削中颤振问题，建立了包含切削过程颤振环节的数控强力切削伺服系统数学模型。
In CNC heavy cutting servo system, mechanical drive system has a torture feedback on electrical speed-adjustment system, thus it's possible to generate the mechanical resonance.
在数控强力切削进给伺服系统中，机械传动系统对电气调速系统具有扭矩反馈作用，容易形成机械谐振。
High speed, heavy cutting and difficult processing materials in the best assistants, can significantly improve the processing quality, prolong tool life, improve the production efficiency.
是高速、重切削以及难加工材料的最佳助手，可明显提高加工质量，延长刀具寿命，提高生产效率。
Good toughness and wear resistance, suitable for low speed cutting allowing a big rake Angle, ensuring the sharpness of the edges, bearing a heavy cutting force and achieving good surface finish.
具有优良的韧性和耐磨性，适用于低速切削，允许采用大前角，保证刀刃的锋利性，从而可随大的切削力，并获得光洁度高的表面。
Cutting your losses is sometimes the sensible thing to do, even for a superpower, and even after paying a heavy price in lost lives and wasted money.
哪怕是一个超级大国，尽量减少损失有时也是明智的，特别是当它已经付出了人命与财力的惨重代价时。
Each deployed heavy bomber equipped with nuclear arms counts as just one warhead, and both countries have already been cutting above their current treaty obligations.
每架已部署的挂载核武的重型轰炸机只算一个核弹头，而目前两国各自已经在削减的核武数量，超出它们当前的条约义务。
And the potential for a crop price bonanza drives the cutting down of rainforests and heavy fertilizer application causing climate change and oceanic dead zones respectively.
考虑到农作物的价格可能会涨高，这促使人们砍伐原始森林以种粮食作物；另外大量肥料的使用导致了气候变化以及海洋死亡区的形成。
These are used to do heavy chopping and cutting of meats and for cutting through bone.
劈刀用于剁碎、切肉和砍骨头。
Since only a few of the cutting edges are engaged with the workpiece at a time, heavy cuts can be taken without adversely affecting the tool life.
由于同一时间只有部分切削刃切削工件，因此可以在对刀具寿命没有不利影响的情况下承担重型切削。
Lay out plate, sheet steel or other heavy metal and mark bending and cutting lines on work piece using protractors, compasses and drawing instruments or templates.
铺设莱板，钢板或其他重金属，用量角器，圆规和绘图工具或模板在工件上标记弯曲和切割线。
For carbide glass ceramics stone precious stones and other heavy-load cutting grinding wear resistance.
用于硬质合金、玻璃、陶瓷、石材、宝石等重负荷切割、磨削耐磨性好。
For carbide, glass, ceramics, stone, precious stones and other heavy-load cutting, grinding wear resistance.
用于硬质合金、玻璃、陶瓷、石材、宝石等重负荷切割、磨削耐磨性好。
To make matters worse, high winds and heavy snow can break limbs off trees. These limbs often hit power lines, cutting power and sometimes heat to homes and businesses.
更糟糕的是，大风大雪会让树枝断裂。这些树枝经常会击中电线造成家庭和企业停电有时候还会停暖。
The process problems in heavy lathe machining, such as the selection of tool materials, tool angles, cutting parameter, and the mount of tools are analyzed.
对重型车床切削中的刀具材料、刀具角度、切削用量的选择以及刀具安装等工艺问题进行了分析。
Since the parts' stiffness and precision of the spindle units are quit high, and the loads are usually not heavy, so the machining error caused by the cutting force is small.
在高速切削机床中，由于主轴单元系统各零件刚度和精度都较高，而负荷却不是很大，主轴因切削力引起的加工误差较小。
By means of the examination and the analysis on the medium heavy plates with black line, the origin of black line at the cutting end of the medium heavy steel plates are found out.
通过对有黑线的中厚钢板进行相关的检验和分析，弄清中厚钢板剪切端面黑线的形成原因。
The cut principle and feature of the rolling cut trimming shear were set forth, and the application of rolling cut placed on cutting line for the heavy plate mill at home were analyzed.
简述中厚板剪切机的基本类型和特点，对滚切剪的剪切原理和特点进行阐述，分析了国内中厚板厂剪切线滚切剪的应用。
In accordance with temperature problem in the process of super heavy oil recovery, the theory of value engineering is used to realize function replacement, and cost-cutting is thus achieved.
针对超稠油开采过程中的温度问题，应用价值工程原理，开展功能替代，取得了降低开采成本的良好效果。
Belt grinding, called "universal grinding", a new grinding process, has been used for the heavy grind field with dry grinding, high speed, big cutting, and high-precision parts grinding.
砂带磨削作为一种有着“万能磨削”之称的新型磨削工艺，已经能用于高速、干磨和大吃刀量等重磨削领域，及高精密零件的磨削加工领域。
Heavy rainfall also hit the tourist city of Guilin in Guangxi Zhuang Autonomous Region on Sunday, flooding farmland, cutting off roads and trapping travelers.
周日暴雨也袭击了广西壮族自治区旅游城市桂林，淹没农田，切断交通，使旅客受困。
Heavy rainfall also hit the tourist city of Guilin in Guangxi Zhuang Autonomous Region on Sunday, flooding farmland, cutting off roads and trapping travelers.
周日暴雨也袭击了广西壮族自治区旅游城市桂林，淹没农田，切断交通，使旅客受困。
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