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1、The Aggregate Machine-tool The Aggregate Machine-tool is based on the workpiece needs, based on a large number of common components, combined with a semi-automatic or automatic machine with a small number of dedicated special components and process according to the workpiece shape and design of

2、special parts and fixtures, composed. Combination machine is generally a combination of the base, slide, fixture, power boxes, multi-axle, tools, etc. From. Combination machine has the following advantages: (1) is mainly used for prism parts and other miscellaneous pieces of perforated surface p

3、rocessing. (2) high productivity. Because the process of concentration, can be multi-faceted, multi-site, multi-axis, multi-tool simultaneous machining. (3) precision and stability. Because the process is fixed, the choice of a mature generic parts, precision fixtures and automatic working cycle to

4、ensure consistent processing accuracy. (4) the development cycle is short, easy to design, manufacture and maintenance, and low cost. Because GM, serialization, high degree of standardization, common parts can be pre-manufactured or mass organizations outsourcing. (5) a high degree of automation, lo

5、w labor intensity. (6) flexible configuration. Because the structure is a cross-piece, combination. In accordance with the workpiece or process requirements, with plenty of common parts and a few special components consisting of various types of flexible combination of machine tools and automatic li

6、nes; tools to facilitate modification: the product or process changes, the general also common components can be reused. Combination of box-type drilling generally used for processing or special shape parts. During machining, the workpiece is generally not rotate, the rotational motion of the to

7、ol relative to the workpiece and tool feed movement to achieve drilling, reaming, countersinking, reaming, boring and other processing. Some combination of turning head clamp the workpiece using the machine to make the rotation, the tool for the feed motion, but also on some of the rotating parts (s

8、uch as the flywheel, the automobile axle shaft, etc.) of cylindrical and face processing. Generally use a combination of multi-axis machine tools, multi-tool, multi-process, multi-faceted or multi-station machining methods simultaneously, productivity increased many times more than generic tools

9、. Since the common components have been standardized and serialized, so can be flexibly configured according to need, you can shorten the design and manufacturing cycle. Multi-axle combination is the core components of general machine tools. It is the choice of generic parts, is designed according t

10、o special requirements, in combination machine design process, is one component of a larger workload. It is based on the number and location of the machining process diagram and schematic design combination machine workpiece determined by the hole, cutting the amount of power transmission components

11、 and the design of each spindle spindle type movement. Multi-axle power from a common power box, together with the power box installed on the feed slide, to be completed by drilling, reaming and other machining processes. The parts to be processed according to the size of multi-axle box combination

12、machine tool design, based on an original drawing multi-axle diagram, determine the range of design data, the above design, implementation, completion of a two-sided 24-hole machining, achieve better the design requirements. In order to adapt to the development of CNC machine tools in combinatio

13、n , appeared composed of CNC machine tools CNC machining modules. Modular is the result of a combination of machine tool numerical control machine tool combination brings, but also the basis of a combination of CNC machine tools , CNC machining enriched the universal modular combination of component

14、s of the machine, it will cause a fundamental piece for machine tool type changes . Over the past decade , the combination of machine tools and automatic line has made great strides in efficiency, productivity , flexibility and the use of concurrent engineering to develop a more rational, more savin

15、gs programs. With the development of digital technology, electronic technology , the combination of machine mechanical structure and control system has undergone great changes. With a combination of the following development tools : 1 NC . Combination of CNC machine tools emerge , not only changed i

16、n the past by the relay circuit consisting of a combination of machine tool control systems , but also make head or even a combination of the mechanical structure of the machine components of general criteria huge change occurred . 2 modular . NC modular greatly enriched the common combination of co

17、mponents of the machine, it will cause a fundamental change occurred for machine tool parts , according to the principles of modular design , based on the functional analysis division of the combination of multi- axle box for each machine level modules. 3 speed. As the high-speed processing can redu

18、ce the surface roughness and cutting force components , reducing the cutting temperature , improve productivity, so the speed of the machine is just beginning research , especially the main movement of CNC machine tools and feed velocity has reached a very high speed . Conform to the trend of high-s

19、peed machine tools , machine tool s speed will be higher. 4 , precision . Because the CNC machine to achieve , so more and more high machining accuracy . 5, full protection technology . Now the machine is fully enclosed features a large , almost all mechanical housings are fully closed . Fully enclo

20、sed protection, not only to make the machine more attractive appearance and its production line , but also improves the safety, reliability and ease of maintenance . Combination machine with both the advantages of low cost and high efficiency in large volume production has been widely used, and can

21、consist of automated production lines. . 組合機(jī)床 組合機(jī)床是根據(jù)工件加工需要，以大量通用部件為基礎(chǔ)，配之以少量的專用部件和按工件形狀和加工工藝設(shè)計(jì)的專用部件和夾具，組成的半自動(dòng)或自動(dòng)的專用機(jī)床。組合機(jī)床一般由底座、滑臺(tái)、夾具、動(dòng)力箱、多軸箱、刀具等等組合而成。 組合機(jī)床具有如下的優(yōu)點(diǎn)：(1)主要用于棱體零件和雜件等的孔面加工。(2)生產(chǎn)率高。因?yàn)楣ば蚣?，可以多面、多工位、多軸、多刀同時(shí)進(jìn)行加工。(3)加工精度穩(wěn)定。因?yàn)楣ば蚬潭?，可選用成熟的通用部件、精密夾具和自動(dòng)工作循環(huán)來(lái)確保加工精度的一致。(4)研

22、制周期短，便于設(shè)計(jì)、制造和使用維護(hù)，成本較低。因?yàn)橥ㄓ没?、系列化、?biāo)準(zhǔn)化程度高，通用件可組織批量生產(chǎn)進(jìn)行預(yù)先制造或外購(gòu)。(5)自動(dòng)化程度高，勞動(dòng)強(qiáng)度較低。(6)配置靈活。因結(jié)構(gòu)是橫塊化、組合化?？砂凑展ぜ蚬ば蛞?，用大量通用部件和少量專用部件靈活組成各種類型的組合機(jī)床和自動(dòng)線；機(jī)床便于改裝：產(chǎn)品或工藝發(fā)生變化時(shí)，通用部件一般還可以重復(fù)使用。 組合鉆床一般用于加工箱體類或特殊形狀等零件。加工時(shí)，工件一般不旋轉(zhuǎn)，由刀具的旋轉(zhuǎn)運(yùn)動(dòng)和刀具與工件的相對(duì)進(jìn)給運(yùn)動(dòng)，來(lái)實(shí)現(xiàn)鉆孔、擴(kuò)孔、锪孔、鉸孔、鏜孔等加工。有的組合機(jī)床采用車削頭夾持工件使之旋轉(zhuǎn)，由刀具作進(jìn)給運(yùn)動(dòng)，也可對(duì)某些回轉(zhuǎn)體類零件(如飛輪、汽車后橋

23、半軸等)的外圓和端面加工。 組合機(jī)床一般采用多軸、多刀、多工序、多面或多工位同時(shí)加工的方式，生產(chǎn)效率比通用機(jī)床提高很多倍。由于通用部件已標(biāo)準(zhǔn)化和系列化，所以可根據(jù)需要靈活配置，就能縮短設(shè)計(jì)和制造周期。多軸箱是組合機(jī)床的核心通用部件。它是選用通用零件，是按專用要求進(jìn)行設(shè)計(jì)的，在對(duì)組合機(jī)床設(shè)計(jì)的過(guò)程中，是工作量較大的部件之一。它根據(jù)組合機(jī)床設(shè)計(jì)的工序圖和加工示意圖所確定的工件加工孔的數(shù)量和位置，切削用量和主軸類型設(shè)計(jì)的傳遞各主軸運(yùn)動(dòng)的動(dòng)力部件。多軸箱動(dòng)力來(lái)自通用的動(dòng)力箱，與動(dòng)力箱一起安裝于進(jìn)給滑臺(tái)，可完成鉆孔，絞孔等加工工序。根據(jù)需加工的零件尺寸進(jìn)行組合機(jī)床通用多軸箱的設(shè)計(jì)，繪制多軸箱原始依據(jù)圖

24、，確定一系列的設(shè)計(jì)數(shù)據(jù)，通過(guò)以上設(shè)計(jì)，實(shí)現(xiàn)了雙面24孔的一次加工完成，較好地達(dá)到了設(shè)計(jì)要求。 為了適應(yīng)數(shù)控組合機(jī)床的發(fā)展，就出現(xiàn)了組成數(shù)控機(jī)床的數(shù)控加工模塊。組合機(jī)床模塊化是組合機(jī)床數(shù)控化所帶來(lái)的結(jié)果，也是組合機(jī)床數(shù)控化的基礎(chǔ)，數(shù)控加工模塊化豐富了組合機(jī)床的通用部件，它一定會(huì)引起組合機(jī)床通用件發(fā)生根本型變化。近十年來(lái)，組合機(jī)床及其自動(dòng)線在高效、高生產(chǎn)率， 柔性化以及采用并行工程制訂更合理、更節(jié)省的方案方面取得了很大的進(jìn)展。近年來(lái)隨著數(shù)控技術(shù)、電子技術(shù)等的發(fā)展，組合機(jī)床的機(jī)械結(jié)構(gòu)和控制系統(tǒng)也發(fā)生了很大的變化。組合機(jī)床有了以下的發(fā)展：1. 數(shù)控化。數(shù)控組合機(jī)床的出現(xiàn)，不僅改變了過(guò)去由繼電器電路組

25、成的組合機(jī)床的控制系統(tǒng)，而目也使組合機(jī)床機(jī)械結(jié)構(gòu)甚至通用部件標(biāo)準(zhǔn)發(fā)生了巨大的變化。2. 模塊化。數(shù)控加工模塊化極大地豐富了組合機(jī)床的通用部件，它一定會(huì)引起組合機(jī)床通用件發(fā)生根本性的變化，根據(jù)模塊化設(shè)計(jì)的原理,在功能分析的基礎(chǔ)上劃分了組合機(jī)床多軸箱的各級(jí)模塊。3. 高速化。由于高速加工可降低零件表面粗糙度及切削力，減小切削溫度，提高生產(chǎn)率，所以機(jī)床的高速化研究才剛剛開(kāi)始，特別是數(shù)控機(jī)床的主運(yùn)動(dòng)和進(jìn)給運(yùn)動(dòng)速度已達(dá)到了非常高的速度。順應(yīng)機(jī)床高速化的潮流，組合機(jī)床的速度也會(huì)越來(lái)越高。4、精密化。因?yàn)闄C(jī)床實(shí)現(xiàn)了數(shù)控化，所以機(jī)床的加工精度越來(lái)越高。5、全防護(hù)化。全封閉式是現(xiàn)在機(jī)床的一個(gè)大的特點(diǎn)，幾乎所有的機(jī)械均采用全封閉的外罩。全封閉防護(hù)，不但使機(jī)床及其生產(chǎn)線外形更加美觀，而且也提高了安全性、可靠性和維修的便利性。組合機(jī)床同時(shí)兼有低成本和高效率的優(yōu)點(diǎn),在大批大量生產(chǎn)中得到了廣泛的應(yīng)用,并可以組成自動(dòng)生產(chǎn)線。