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1、 外文翻译The aggregate machine-tool is take the general par t as a foundation, matches by presses the work piece specific shape and the processing technological design special-purpose part and the jig, the composition semiautomatic or the automatic special purpose machine. The aggregate machine-tool sel
2、ects the method which generally multiple spindle, the multi-knives, the multi-working procedures, many or the multi-locations simultaneously process, production efficiency ratio general engine bed high several times to several dozens times. Because the general part already the standardization and th
3、e seriation, might according to need to dispose nimbly, could reduce the design and the manufacturing cycle. The multi-axle-boxes are aggregate machine-tools core parts. It selects the common parts, carries on the design according to the special-purpose request, in the aggregate machine-tool designs
4、 process, is one of work load big parts. It is acts according to the work piece processing hole quantity which and the position the working procedure chart and the processing schematic drawing determined, the cutting specifications and the main axle type design transmission various main axles moveme
5、nt power unit. Its power from the general power box, installs together with the power box in to feed sliding table, may complete drills, twists and so on working processes. This topic designed has used in the HT200 top head hole processing the drill hole aggregate machine-tool. According to the top
6、head hole components size which must process carries on the aggregate machine-tool general multi-axle-boxes the design, draws up the multi-axle-box primitive basis chart, the definite main axle and the gear modulus, determined the transmission system, calculates the main axle and drive shafts coordi
7、nate. Through the above design, realized a top head one-sided six processing to complete, has achieved the design requirements well。To meet the combination of CNC machine tools of development, it is a component of the NC machine tool NC module. Portfolio machine is modular combination of CNC machine
8、 tools brought about by the inevitable result is the combination of CNC machine tools necessary foundation, NC module so greatly enriched the portfolio of generic pieces of machine tools, it will cause combination of General Machine Type of a fundamental change. NC module, according to their coordin
9、ates NC (axis) of mainly single coordinates, dual coordinate and coordinate. Its spindle number, single and multi-axis module, there are single and multi-axis composite processing module. NC module development, there are mainly two kinds of ways: First, the existing combination of machine tools shou
10、ld be relatively common items, the NC General of the design. At present there is also domestic NC is developing one-dimensional slider, NC two-dimensional (Cross) Waterloo Taiwan, the NC rotary table, all this is the way the NC is based on the characteristics of the development of NC The unique comb
11、ination of machine tool parts, such as automatic replacement of multi-axis spindle box, the NC rotary knife, NC for the manipulator, NC for me, such as mechanical hand. The past 10 years, machine tools and automatic line group in the highly efficient, high productivity, flexibility and the use of pa
12、rallel (synchronous) works develop more reasonable and more savings in the programme has made a lot of progress. In particular the automobile industry, in order to improve the performance of motor vehicles, precision machining of components made a number of new demands, so the machine performance re
13、quirements are also higher. In recent years, with numerical control technology, electronics technology, computer technology, such as the development of machine tools combination of mechanical structure and control system has also undergone a tremendous change. With the combination of machine tools o
14、f development: 1. NC. A combination of CNC machine tools, not only a complete change from the previous relay circuit composed of a combination of machine tool control system, and the head. Also the mechanical structure and composition of machine parts universal standards has or is undergoing an enor
15、mous change。2. Modular. NC plus one two modular greatly enrich the composition of the Universal machine parts, it will cause universal machine combination of a fundamental change，According to modularization design theory,the modules of aggregate machine tool are divided in this paper on the basis of
16、 function analysis.Taking UG software as developing flat,the parametric 3D modeling module bank is set up.The database for storing the data used in design is also set up at the same time.Under the guiding of the system,users can complete such tasks as module choice,module combination,and calculation,etc.Therefore,computer aided modularization design of aggregate machine tool can be realiz.3. High-speed. As high-speed processing can greatly reduce the surface roughness and cutting force co
