谁能帮我用英语翻译一下下面这篇文章（下半部分），要精确点的啊，不要那种在线翻译的哦

谁能帮我用英语翻译一下下面这篇文章，要精确点的啊，不要那种在线翻译的哦~

CNC turret
Along with the development of the manufacturing industry in China, the demand of machining center are also on the increase, especially 4-axis and 5-axis linkage of machining center. As the main function of CNC machine, CNC turret parts in the whole machine tool industry is becoming more and more important role.
Nc rotary table for machining center, nc milling machine and provides rotary coordinates, through the fourth, fifth drive shaft turntable or head complete precision Angle, not equal parts or continuous turning processing, complex surface finish machining, make the machine to expand.
1 the classification of nc rotary table
According to different classification method of nc rotary table roughly several categories:
(1) according to the degree form can be divided equally turntable and arbitrary indexing turntable.
(2) according to drive mode can be divided into hydraulic turntable and electric turret.
(3) according to the installation can be divided into vertical and horizontal and vertical turntable channel.
(4) according to the rotor shaft can be divided into several single axis turntable, can pour turntable (two) and multiaxial parallel linkage channel.
2 the structure of nc rotary table
From the structure of nc rotary table can be divided into several parts: driver, transmission, orientation, brake tight, etc. Nc rotary table transmission part through the system to control the drive to the rotation Angle, CNC turret workbench mesa of dividing inversion.
(1) drive hydraulic turntable adopts hydraulic drive rack or hydraulic motor driving gear, through the rack or hydraulic motor driving gear dynamic way, And electric turntable servo motor adopts power.
(2) transmission, worm gear transmission is rack worm gear in several ways. General electric turntable is through a gear (or is connected directly with coupling with the worm will power to worm, motor drive turntable for dividing, Hydraulic turntable, adopts hydraulic motor drive, the transmission structure similar to electric turret, Using super-modulus gear and is driven by the piston rack drive and the meshing with mesa relatively fixed gear indexing.
(3) sub-degree turntable is generally USES the positioning weapon.these gear disk indexing positioning, arbitrary precision indexing turntable worm gear generally adopted indexing positioning. Using the tooth disk indexing positioning, and two channel al tooth disk and press tooth disk. Two league gear indexing plate, structure, dynamic, relatively simple two tooth disk directly meshing, dividing, dynamic set off first gear disk drive, the meshing movement -- YunDongBiao now turntable is a certain amount of lift mesa, mesa and set up the gear disk with the relative exercise consistent. Sanlian tooth disk indexing positioning, from the structure than two league gear disk with complex, shall not directly gear disk, but through a public meshing gears plate mesh transition, the meshing and open movement is through the public mobile to complete the public performance in the turntable is not lift mesa. That adopts triple tooth disk indexing positioning of the turntable, operation process, but should not lift mesa of meshing rigidity than two couplet tooth structure.
Using the tooth disk indexing positioning, its indexing turntable is equal to the position including heart tooth gear disk, spur gear, gear indexing, to achieve high precision indexing, end tooth disk generally USES a hardened steel tooth grinding process, product can reach high rigidity and the precision requirement. But its indexing scores of gear tooth disk are limited.
Using the worm gear indexing of turntable, dividing element for the worm gear pair single head single lead cylindrical worm, double guide cylindrical worm and worm (cylindrical worm and worm have long straight torus, and plane enveloping the worm, etc.). General worm gear harden steel material selection, usually adopts the anti-wear copper alloy material. Its indexing scores unrestricted, dividing positioning accuracy in worm gear directly determine the machining accuracy.
(4) brake tight tight the turntable is equal institutions, general adopts hydraulic brake for mutual engagement of the tooth disk put some pressure, make the tooth disk reliable meshing positioning. Any degree of CNC turret, more USES lhe swelling or a brake hydraulic or pneumatic tightly with brake, brake tight tight high reliability.
Three kinds of nc rotary table
The various agencies, formed the existing CNC rotary worktable various concrete: hydraulic parts, electric parts turntable (points), and not lift up any degree of electric turret, vertical and horizontal, vertical dual rotary turntable, turning the multiaxial parallel axis parallel tilt, stand at turntable, can pour rotary turntable, etc. 百分之90多没有问题

有些人喜欢生活在过去的房子。这些人可能更愿意住在木屋。他们说，这些房子在冬天十分暖和。另一些人则喜欢住在未来的住房。地面下，这些人可能住在一所房子。很多人认为，地下的房子是冷暗物质，但事实并非如此。这些房子都在屋顶或一侧的大窗户的特殊窗口。形成这些窗口的房屋得到了不少光。
地下屋的想法是非常古老。在过去的人生活在地下房子和在中国，西班牙，日本，韩国和加拿大的地下城市。有的县还建立地下工厂和仓库装东西。
在美国，越来越多的人开始建造地下房屋。地下房子保存打开的土地。当房子的地下，有土地，公园，网球场，和花园。地下的房子，还可以节省能源。他们只使用了很少的能量来保持温暖或凉爽。
正像地下房屋的业主一样，约翰Bonard是一名建筑师。他设计了一个在新英格兰地区的地下屋。他的妻子玛格丽特，是一个室外的人，但她喜欢她的地下屋。 她说：“这是非常好的。我喜欢它。”
现在在美国越来越多的人接受的地下和更多的办事处，学校和住房正在修建地下生活的想法。谁知道？也许在未来的整个城市将会在地下。

4.New number control emergence of turn the pedestal
Along with the development of machine industry, number control a member who turn the set household at continuously increment.Is an orientation modern tool machine auto tongs of request, go together with an oil type number to control to turn a pedestal to emerge with the tide of the times.Go together with an oil type number to control to turn before set appear, number control tool machine of auto the tongs be subjected to tube road or circuit of restriction, fall through at continuous turn round of number control to turn on the stage to install auto tongs.Go together with an oil type number to control to turn a pedestal at original turned the foundation of pedestal up the increment to go together with oil function, can direct to install is turn a set pedestal noodles of dissimilarity the tongs provide a liquid to press oil, cancellation tube road or circuit of restriction.
Go together with an oil type number to control to turn a set according to go together with oil object with turn a set pedestal a noodles conjunction a way dissimilarity, is divided into:Plank type conjunction and tube type conjunction.Plank type conjunction:Install at pedestal the go together with of noodles oil object not demand again go together with pipeline, need will go together with oil object of importation oil with turn a set pedestal noodles of output oil rightness should empress fix then.Weakness is, position fix, the inner part go together with pipeline road complications.Tube type conjunction:Install the go together with of noodles oil object at the pedestal, pass pipeline with turn a set pedestal the go together with of noodles oil machine a conjunction realization to go together with oil.Tube type conjunction have no position restriction towards going together with oil object, and control the oil road can be vivid combination, realization auto complications of the tongs action.
The dint Ju electric motor turn Taiwan:The dint Ju turn a set is along with large dint Ju the emergence of the electric motor but appear, turn set structure because of dint Ju electric motor of application but further simplification.
The dint Ju electric motor turn the structure of pedestal:Dint Ju electric motor of many the pole settle son fix on the hull body of turn the pedestal, turn the pedestal of pedestal turn of noodles and dint Ju electric motor son connect with each other, make use of dint Ju electric motor direct drive pedestal noodles of turn the pedestal to make cent degree sport then constitute dint Ju the electric motor turn Taiwan.Speak from the structure, the dint Ju electric motor turn a set biggest probably shortenned to spread to move a chain, thus decrease from constitute spread the component of each link of move the chain of manufacturing error margin, install error margin, spread to move rigid etc. to bring of to turn a pedestal of disadvantageous influence, and to shut wreath to turn a pedestal to speak to be advantageous to turn-over coder or angle coder and turn round part of conjunction.
5.A few index sign reviewed to measure a number to control to turn a pedestal
The main index sign which review to measure a number to control to turn a pedestal have:Cent degree accuracy with repeated fixed position the accuracy, accuracy keep sex, loading ability, seal completely function, enough of Cha tight dint and turn round fixed position speed.
6.Number control development trend of turn the pedestal
Currently, number control the development of tool machine to incline toward the following a few aspect:
The high speed turn-high speed model.(every minute 15,000 turn above)
The nicety turn-along with computer-aided manufacturing system of development, Gao accuracy already arrive micron class.
High performance-because of product development the period be shorter and shorter, to manufacturing speed of request also correspond exaltation, tool machine industry dynasty high performance development.
Systematize-tool machine already the gradual development become systematizing a product and use a set computer control a homework of production line.
Compound turn-product outward view curve request of exaltation, tool machine five stalks process, six stalk process of compound turn to is already ineluctable development trend.
Among them"five stalks be allied to move number to control" is number control the difficulty in the technique biggest, application the most wide technique.It gather a calculator a control, the high performance be servo to drive with nicety the processing technology is at the integral whole, application in complications curved face of efficiently, nicety, automation process.The concrete development trend is:On the specification to two extension, then develop small specification and big specification of number control to turn Taiwan;Further exaltation on the function Cha tight dint Ju, exaltation the principal axis turn soon and credibility;Spread to move aspect at the Gua pole pair, significant exaltation work the set turn soon with turn a pedestal of loading ability;Continue in the aspects of turning a set form the development develop two stalks allied move with many the stalk merge turn round of number control to turn Taiwan.At our country, number control tool machine and material of development also got height value, obtained in recent years equal big of progress, especially at in general use number control realm, think terrace of domestic number control system, have already gradually shortenned with world forerunner level of margin.Be a tool machine of main constitute part, cent degree tool machine the enclosure(turn Taiwan, cent degree head, knife) have to the pass to the function, quality, credibility of tool machine importance of function.In addition, our country manufacturing numeral turn a technique application level still lower.Face this kind of challenge, we on the other hand understanding arrive oneself of shortage, want digest and absorb on the other hand abroad of forerunner technique, shorten and they it the margin of , concentrate on solving exaltation number to control an equipments industry application level, realization high speed efficiently processing technology.Be number control to turn a pedestal of development and produce factory house, the main mission be further development to develop in the near future Gao accuracy, Gao rigid and high turn round speed of multi-function turn Taiwan.
就这样

楼主做美梦吧

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