加工

According to the resonance of mechanical machining,the relationship between the spindle speed of lathe and the surface quality of the workpieces was studied on turning a long and thin axis on the lathe.

从机械加工中共振的角度出发，研究细长轴车削加工时车床主轴转速与工件表面质量的关系；并以CA6140车床为例，讨论刚性主轴的临界转速，提出细长轴车削加工时车床主轴的最佳转速范围，避开共振区，从而提高工件的加工精度，保证工件的表面质量。

However, because of the natural characteristics of the micro and small hole EDM, such as weak discharge energy, high pulse power supply frequency, unstable spark discharge states and small discharge gap, etc., there are still some key technical difficulties in its machining process need to be solved: the difficulties in real-time discharge states detection, in accurate control of machining process, in prediction of discharge states, in improvement of machining system precision and in on-line preparation of micro electrode, etc.

但是由于微细及小孔电火花加工自身具有的放电能量极微、脉冲电源频率高、难以获得稳定的火花放电状态以及放电间隙极小等固有特性，决定了其加工过程仍然存在放电状态实时检测方法单一、加工过程难于准确控制、放电状态难于预测、加工系统精度提高困难和微小电极在线制备困难等关键性技术难点，亟待突破和解决。

Production plant is built by Liwo machining centers, CNC horizontal boring and milling machines, CNC milling machine portfolio composed of "soft-shell parts production line": production block, cylinder head, gearbox, and other high technology content Shell exports of parts and vehicles and Liwo Liwo CNC machining centers, and other components of the "revolving line of processing": processing the internal combustion engine piston, cylinder differential top shell, shell reducer such as automobiles, engineering machinery, Agricultural machinery industry with high technical content in the rotating parts, as well as between the rotating shell parts and exports between the parts production.

现生产工厂已建由立卧加工中心、卧式数控镗铣床、数控组合铣床组成的&壳体类零件准柔性生产线&：生产缸体、缸盖、变速箱等各种技术含量高的壳体类出口零件；以及数控立卧车和立卧加工中心等组成的&回转体加工线&：加工内燃机活塞、缸头等差速器壳体、减速器壳体等汽车、工程机械、农机行业中技术含量高的回转体零件以及介于回转体和壳体类零件之间的出口零件生产。

Processing projects are: machining, sheet metal processing, mold processing, welding, assembly, testing the full range of services.

加工项目有：机械加工、钣金类加工，模具加工，烧焊、装配、测试等全方位服务。

This design is mainly on the NC machining process analysis and set of parts drawing cone nut processing, machining technology first a brief introduction, and then plan for NC machining of parts.

本次设计主要是对数控加工工艺进行分析与圆锥螺母套零件图的加工，首先对数控加工工艺技术进行了简单的介绍，然后根据零件图进行数控加工分析。

Screw compressor rotor machining tool wear the geometric calculation method : screw compressor rotor milling and processing a grinding two methods, usually conducted in two phases processing; first stage is rough, when the workpiece to be processed about its size to the second stage of Finished, when the rotor be processed into its final size when completed.

螺杆压缩机转子加工有磨削和铣削两种方法，通常分两个阶段进行加工；第一阶段为粗加工，当工件被加工到它的大概尺寸即可；第二阶段为精加工，当转子被加工成它的最终尺寸时完成。

Technological superiority:"saving energy, reducing dust, green environmental protection" is our consistent goal of scientific research personnel through the company's unremitting efforts, we developed extruded fish meal, blood meal, feather meal production line with the traditional processing methods than with less equipment investment, processing low-cost, non-polluting process, product palatability, and high rate of digestion and absorption characteristics; Extruder screw, gas plug, such as the service life of wearing parts is a measure of the merits of Extruder key performance indicators, U.S. Extruder wearing parts and the use of special wear-resistant material with a special deal with the characteristics of long life; we develop SJWK-type feed processing equipment Hebei Feed Industry Association recommend designated as high-quality products and by patent country.

技术优势：&节能降耗、减少粉尘、绿色环保&是我们一贯追求的目标，经过公司科研人员的不懈努力，我们开发的膨化鱼粉、血粉、羽毛粉生产线与传统加工方法比具有设备投资少、加工费用低、加工过程无污染、产品适口性好、消化吸收率高等特点；膨化机的螺旋、气塞等易损件的使用寿命是衡量膨化机性能优劣的关键指标，我们的膨化机易损件采用特种耐磨材料并经特殊处理，具有寿命长的特点；我们开发的SJWK型饲料加工设备被河北省饲料工业协会指定为名优推荐产品，并获国家发明专利。

With the aids of constructing salt phosphorus chemical industrial garden、mechanical and electrical products process industrial garden、livestock products processes industrial garden and energy resources industrial garden, the district strives to build up itself to a modern industrialized city.

五通桥区依靠盐磷化工、机电产品加工、畜产品加工三大优势产业，借助盐磷化工工业园、机电加工工业园、畜产品加工工业园、能源工业园四大工业规划园区建设，充分发挥产业联动，把五通建成新型工业化城市。

Our processing workshop has lathe, milling machine, drilling machine, polishing machine, sand blasting and hydraulic press machine. Our tooling workshop has 2 CNC machines, many EDM machines and line cutting machines. Our inspection center has CMM, projector, color assessment box and salt spray machine.

工车间有CNC加工中心6台、车床、铣床、抛光清理机、抛丸机、液压机等各种普通机械加工设备多台；模具加工车间有CNC2台、火花机多台、线切割等精密加工机械；检测中心配备CMM三座标测量仪、二维投影仪、色差光源箱、盐雾试验机等高科技检测设备。

The design has analyzed the processing technics of the cavity of fixed plate of the roof of the toy mobile phone, and has done simulation process with the software of MASTERCAM,can observe the geometric figure of the process of cutting very visually, the machine parameters users setting have been fully reflected to improve the unreasonable parameters before the actual machine ,to minimize consumption of energy and materials and to improve processing efficiency.

本设计对玩具手机上盖定模板型腔的加工工艺进行了分析，并利用MASTERCAM软件进行了仿真加工，非常直观地观察几何图形的切削过程，所设置的切削参数也得以充分体现，以便在进行实际加工前对不合理的参数加以改进，最大限度地降低能源和材料消耗，提高加工效率。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失