1、中文 1500 字 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 desi
2、gn 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 other miscellaneous pieces of perforated surface
3、 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 t
4、o 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,
5、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
6、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
7、 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 (suc
8、h 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. Sinc
9、e 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 spec
10、ial 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 t
11、he 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 machin
12、e 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 , appear
13、ed 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 components of the m
14、achine, 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 program
15、s. 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
16、 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 components o
17、f 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 sur
18、face 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 machi
19、ne 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 protec
20、tion, 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 consist of
21、 automated production lines. . 组合机床 组合机床是根据工件加工需要，以大量通用部件为基础，配之以少量的专用部件和 按工件形状和加工工艺设计的专用部件和夹具，组成的半自动或自动 的 专用机床。 组合机床一般由底座、滑 台、夹具、动力箱、多轴箱、刀具等等组合而成。 组合机床 具有如下 的 优 点 ： (1)主要用于棱体零件和杂件 等 的孔面加工 。 (2)生产 率高。 因 为 工序集中 ， 可 以 多面、 多工位、 多轴、多刀同时 进行 加工 。 (3)加工精度稳定 。因为工序固定，可选用成熟的通用部件、精密夹具和自动工作循环来确保加工精度的一致。 (4)研制周期短
22、 ， 便于设计、制造和使用维护 ， 成本较 低 。因为通用化、系列化、标准化程度高，通用件可组织批量生产进行预先制造或外购。 (5)自动化程度高 ， 劳动强度 较 低 。 (6)配置灵活 。 因结构是横块化 、组合化 。 可按 照 工件或工序 要求，用 大 量通用部件和少量 专用 部件灵活组成各种类型的组合机床 和 自动 线；机床便于改装：产品或工艺发生变化时，通用部件一般还可以重复使用。 组合 钻 床一般用于加工箱体类或特殊形状 等 零件。加工时 ， 工件一般不旋转，由刀具的旋转运动和刀具与工件的相对进给运动，来实现钻孔、扩孔、锪孔、铰孔、镗孔等 加工 。 有的组合机床采用车削头夹持工件使之
23、旋转，由刀具作进给运动，也可 对 某些回转体类零件 (如飞轮、汽车后桥半轴等 )的外圆和端面加工。 组合机床 一般采用多轴、多刀、多工序、多面或多工位同时加工的方式，生产效率比通用机床 提高很多倍 。由于通用部件已标准化和系列化， 所以 可根据需要灵活配置， 就 能缩短设计和制造周期。多轴箱是 组合机床 的核心 通用 部件。它是选用通用零件， 是 按专用要求进行设计的，在 对 组合机床 设计的过程中，是工作量较大的部件之一。它根据 组合机床设计的 工序图和加工示意图所确定的工件加工孔的数量和位置，切削用量和主轴类型设计的传递各主轴运动的动力部件。多轴箱 动力来自通用的动力箱，与动力箱一起安装于进给滑台，可完成钻 孔 ，绞孔 等加工工序。根据 需 加工的零件尺寸进行 组合机床 通用多轴箱的设计，绘制多
