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 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 othermiscellaneous pieces of perforated surface processing. (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 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, low 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 lines; 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 tool 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 (such 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. 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 to 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 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 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 combination , appeared composedof 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 components 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 savings 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 in the past by the relay circuit consisting of a combination of machine tool controlsystems , 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 components 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 reduce 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-speed 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 enclosed protection, not only to make the machine more attractive appearance and its production line , but also improves the safety, reliability and ease ofmaintenance . Combination machine with both the advantages of low cost and high efficiency in large volume production has been widely used, and can 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)計的專用部件和夾具，組成的半自動或自動的專用機(jī)床。組合機(jī)床一般由底座、滑臺、夾具、動力箱、多軸箱、 刀具等等組合而成。 組合機(jī)床具有如下的優(yōu)點： (1)主要用于棱體零件和雜件等的孔面加工。 (2)生產(chǎn)率高。因為工序集中，可以多面、多工位、多軸、多刀同時進(jìn)行加工。 (3)加工精度穩(wěn)定。因為工序固定，可選用成熟的通用部件、精密夾具和自動工作循環(huán)來確保加工精度的一致。 (4)研制周期短，便于設(shè)計、制造和使用維護(hù)，成本較低。因為通用化、系列化、標(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。 (5)自動化程度高，勞動強(qiáng)度較低。 (6)配置靈活。因結(jié)構(gòu)是橫塊化、組合化。可按照工件或工序要求，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)床和自動線；機(jī)床便于改裝：產(chǎn)品或工藝發(fā)生變化時，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，工件一般不旋轉(zhuǎn)，由刀具的旋轉(zhuǎn)運動和刀具與工件的相對進(jìn)給運動，來實現(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)給運動，也可對某些回轉(zhuǎn)體類零件 (如飛輪、汽車后橋半軸等 )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)計的，在對組合機(jī)床設(shè)計的過程中，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)計的傳遞各主軸運動的動力部件。多軸箱動力來自通用的動力箱，與動力箱一起安裝于進(jìn)給滑臺，可完成鉆孔，絞