Machine tool of high-powered numerical control and electric main shaft are unit

5 seconds (T-T) with 1.

2 seconds (C-C) . Acceleration of X-Y axial vector is amounted to 5.

2g. Z axis acceleration amounts to 3g. Top rotate speed can amount to the main shaft of J4M horizontal machining center of company of Japanese MAKINO milling machine 60000r/min. 2, machining center of double main shaft is in this second exhibit meeting concentration to appear. Exhibit a large number of emerge in large numbers in the meeting machining center of double main shaft. Be like: Machining center of horizontal of high speed of movable type of library of the Urane225 double main shaft of company of Italian COMAU group, double knife, ram; The movable type of ram of double main shaft such as the BAW06-22 of company of the MCT250 of company of the Spechf+550duo of company of CROSSHULLER of group of dark of the PS500DUO of German KRAUSE&MAUSER company, the base of a fruit, HELLER, SchwabischeWerkzegmaschiner horizontal machining center; Machining center of vertical of movable type of ram of the BAW03-22 of German SchwabischeWerkzegmaschiner company double main shaft; The machining center of horizontal of movable type of ram of Mc2 double main shaft of Italian RIELLO group is unit; Machining center of vertical of double main shaft of DF12KW of German CHIRON company; The MC331/TWIN of STAMA company of Germany double main shaft covers machining center of vertical of canister movable type; Etc. 3, facilities of much type of work, compound treatment installs card to finish full treatment direction to develop to the spare parts. The TRAUBTNX65 that German INDEX company exhibits muti_function CNC Turning center can install card to finish milling of polymorphous side car to make. Center of turning of the TWIN65 of German DMG company double main shaft can realize 6 treatment. Center of GMX200Liner car mill can finish the car of pair of good stuff workpiece, mill to machine at the same time. The M40 that Austrian WFLMillTechnolog company exhibits, m40G, the center of mill of main shaft car such as M120, diameter of the biggest treatment amounts to 1600mm, length of the biggest treatment is 6500mm. The NTX turning center of Japanese NaKamura-TomePrecisionIndusfry company can finish many Che Xi to machine at the same time. Center of vehicle of mill of horizontal of the INTEGREXe800v/s of Japanese MAZAK company, 1060v/s main shaft is on foundation of machining center of horizontal of main shaft linkage, rotatory workbench increased turning function, outfit card can finish the Che Xi of pair of garden body spare partses to be machined entirely at the same time. The MGR vertical car that Swiss MAGERLE company exhibits grinds compound treatment opportunity, outfit card can complete a variety of treatment of pair of workpiece internal diameter, external diameter, end panel at the same time. 4, 5 axes linkage is flexible treatment, shunt-wound machine tool gains ground change, production is economic change. Exhibit machining center of linkage of on the meeting 5 axes very general. The VARIAXIS500-5x of Japanese MAZAK company, 5 axes of 730-5x linkage vertical machining center, the 5 axes of NAM72-63V of MATSUURA mechanical company linkage machining center, the machining center of vertical of Mytrunnion5 axis linkage of company of boreal village machinery, the 5 axes of VL30-5X of company of Mitsui essence aircraft linkage machining center, the C40UP double tray of German HERLME company machining center of vertical of 5 axes linkage, the 5 axes of MILL800 of CHIRON company linkage machining center, the 5 axes of K156RT of Italian FIDIA company linkage vertical machining center, the DHP80-5A high accuracy of Swiss DIXI company machining center of horizontal of 5 axes linkage, all can realize main shaft circumgyrate at the same time, swing, workbench tilts, circumgyrate, swing wait for a function. The much model of German EMAG company is flexible treatment is unit, the production of the machining center of PM-600 shunt-wound vertical of OKVMA company of Japan is practical stronger. 2, the development trend of machine tool of domestic numerical control. Classics " 6 · 5 " , " 7 · 5 " , " 8 · 5 " , " 9 · 5 " , " 10 · 5 " successive effort of 25 years, the development level of machine tool of our country numerical control had very great progress. The breed of numerical control machine tool and quality all rise somewhat than going to. Production dominant factory still develops partial machine tool to have quite numerical control equipment of the level. Grow as the abidance of national economy, each trade is larger and larger to the demand of the machine tool of core numerical control of fundamental facilities. Taller and taller also to the requirement of machine tool class. In last few years, of year of crop of machine tool of domestic numerical control and import volume increase by degrees rate maintain from beginning to end in 30 ％ above. According to not complete count, domestic amount machine tool produced per year a quantity 2003 for 3.

50 thousand, achieve two years ahead of schedule " 10 · 5 " program goal. Forecast according to expert of association of industry of tool of Chinese machine tool, machine tool of domestic numerical control produced per year a quantity to will be amounted to 2004 4.

50 thousand. What develop as a result of the technology is lopsided, restrict in a variety of conditions below, at present advanced level photograph compares the whole technology level of machine tool of our country numerical control and international to still have certain space. The numerical control machine tool of high-powered, high speed, high accuracy still needs the part rely on abroad entrance. 2003 our country from abroad entrance machine tool of 20 thousand numerical control. Predict to was returned 2004 reimport 30 thousand. This kind of impetus estimates in recent years inside temporary hard circumgyrate. 3, inside unit of main shaft of the report that fit pattern is in the action in numerical control machine tool. Unit of form report main shaft is installed to combine electric machinery and high accuracy main shaft together inside, make main shaft unit stepped delectable one pace to treatment of high speed, efficient, high accuracy. Unit of main shaft of outfit form report is the core function component of numerical control machine tool inside. It makes the machine tool cast off mechanical drive manacle, simplified machine tool structure, eliminated the oscillatory noise that produces by mechanical drive at the same time. Machine tool of numerical control of high-powered, high speed, high accuracy is common on international use unit of electric main shaft. In much work polyhedron of linkage of compound treatment machine tool, much axis machines machine tool, paralell connection machine tool and flexible in processing unit, electric main shaft has the advantage that mechanical main shaft cannot replace more. From " 9 · 5 " begin, the country uses two Five-Year Plan, increase strength to support domestic proper motion to develop numerical control machine tool to use practical model electric main shaft is unit. Try hard via 6 years, our country already developed top rotate speed to be independently now 8000, 12000, 15000, 18000, 24000, 30000r/min, the biggest torque uses electric main shaft for the numerical control machine tool of 129Nm. Machine tool of first-run numerical control ties row music score with electric main shaft preliminary already finish. Product of partial report main shaft already gave priority to engine plant institute to approbate. 4, the development that machine tool of domestic numerical control uses unit of electric main shaft before grinding of the circle inside the high speed that electric main shaft basically uses at bearing industry, as the development of numerical control technology and frequency conversion technology, the application of electric main shaft in numerical control machine tool is wider and wider. Our country is at present of all kinds electric main shaft year demand makes an appointment with 6000, among them numerical control machine tool uses electric main shaft only about 1000, and major (about 60% ) to import electric main shaft; Grinding uses electric main shaft about 4000, occupy the 2/3 of quantity of total demand of electric main shaft about; The others is the main shaft of special purpose report such as machine of experiment of high speed centrifugal, high speed. However, the high speed of numerical control machine tool develops, changing the market of electric main shaft that gives priority to with the axis with grinding. According to machine tool industry " 10 · 5 " develop a program, to 2005 crop of machine tool of our country numerical control 1 from 2000.

50 thousand increase to 3.

50 thousand (forecast at present can exceed 50 thousand) , the scale of main shaft of use report of numerical control machine tool also will by 6.

7% increase 40% the left and right sides. Predict 2005, numerical control machine tool goes to increase sharply 20000 with electric main shaft, occupy the 2/3 of quantity of total demand of electric main shaft about, replace the market position that grinds the main shaft that use phone, become the main force of market of electric main shaft. Meanwhile, the demand of the tall accurate bearing that place of main shaft of numerical control machine tool needs also will increase quickly. Use 4~5 on average to cover bearing computation by main shaft of machine tool of every numerical control, considering partial double main shaft or machine tool of much main shaft, by average every machine tool is deployed 1.

5 main shaft are calculated, to 2005 numerical control machine tool uses the demand of bearing of tall accurate main shaft to will increase 240 thousand, add maintenance to use bearing, quantity of total demand will achieve 480 thousand. Committee of national development reform entrusted organization of association of industry of tool of Chinese machine tool to hold in December 2003 " innovation of product of part of function of key of numerical control machine tool develops an informal discussion " . On the meeting, read out of section chief of bamboo of Cheng of department of industry of committee of national development reform hair change appoint the written instructions that leader Zhang Guobao, Comrade Wang Chunzheng reachs its function part about developing numerical control machine tool. Demonstrated the attitude that innovation of component of function of machine tool of main support numerical control develops. Basis of association of industry of machine tool tool the demand of machine tool of domestic numerical control, to the each function component that attend a meeting manufacturing dominant unit puts forward aggrandizement to expand a demand: The total output of unit of electric main shaft that electric main shaft asks to was used at numerical control machine tool 2005 achieves 3000 to cover, achieve 10000 to cover to 2010. This task is very formidable, develop unit estimation according to each main shaft that attend a meeting, by at present productivity grows rate, to 2005 our country can develop unit of 2000 main shaft that cover report only at most. If the country is sent politics appoint employ support of aggrandizement of national debt capital, to 2010 enlarge produces the likelihood to be covered to 6000, the others breach still needs to be solved through the entrance. Accordingly, the market size that numerical control machine tool uses unit of electric main shaft is enormous, what what need at present is how reasonable organization manpower, material resources, financial capacity, development goes already much good functional part. CNC Milling