Current, more and more complex parts on the world use compound machine tool to undertake be machininged integratedly. Author not long ago visited the international that holds in American Chicago to make technical exhibition, discover compound treatment machine tool already made a when the machine tool develops important way. Because compound treatment machine tool is outstanding,machine working procedure entirely, achieve thereby reduce machine tool and clamping apparatus, discharge working procedure between carry and store, raise workpiece to machine precision, shorten the purpose that machines cycle and managing work area. Chicago international is made exhibit machine tool of a few kinds of when exhibit compound treatment, represented world machine tool basically the development direction henceforth, machine tool of these a few kinds of compound treatment introduces below. It is compound treatment machine tool of the foundation with turningThis kind of machine tool is compositive on the foundation of horizontal turning center and vertical turning center milling, auger cut and tap, boring, grinding and gear hobbing and insert the technique such as tine, become horizontal or vertical car mill compound treatment machine tool. Have the representative M65 that has Austrian WFLMillTunTechnologies company and M60-G; Series of the 100 Ⅲ of Japanese MAZAK company, 200 Ⅲ , 300 Ⅲ , series of QTN100MS, 250MSY, 350M; The TRAUBTNX65 of company of DEX of German IN Juan; A variety of horizontal car mill such as the TWIN65 of DMG company are compound machine a machine tool. Compound treatment machine tool has the mill of M65 horizontal car that Austrian WFLMillTunTechnologies company exhibits in exhibition certain representative. This machine tool is overall use form of layout of traditional center lathe, the structure of lathe bed of 60 ° inclined that lathe bed uses tall tigidity, linear slideway has the large measure that slideway is special design tall tigidity and fight admirably brace up quality. Lathe bed left end is box of turning main shaft, have C axis function. Right end is tailstock device. Upside of inclined lathe bed is device of main shaft of car, mill, boring, but the edge is fore-and-aft (Z axis) , transverse (X axis) , radial (Y axis) undertake sharp movement and B axis swing circumgyrate moves. In addition, b axis is OK still 2.5 ° are unit graduation, have the capacity that has rough machining of tornado car mill. The bottom of inclined lathe bed is one is in fore-and-aft and transverse all but bracket of motor-driven pilot center, use at treatment of the aperture inside end panel and boring cannot use tailstock device to support work. And M60-G the turning circumgyrate tool carrier that here the position is type of a double bit body, vertical,be in (Z1) axis, transverse (X1 axis) all can participate in linkage treatment. Consequently this machine tool has function of linkage of interpolation of much axis of X, Y, Z, B and C, below the circumstance of unmanned interpose, age into travel turning, bore, milling, grinding, gun getting, inside and outside the treatment task such as milling of treatment, Che Xi, circular arc. This machine tool deploys to amount to 120 knives at the back of main shaft box without wear away, the chain knife library that library of knife of maintenance-free disk type replaces a tradition, can deposit be as long as the 900mm, cutting tool that hefts 20kg. The position that change a knife is located in the upper part of main shaft of box of main shaft of machine tool Zun Duan, the nonproductive time that brings to reduce shuttlecock of main shaft of mill of the car when changing a knife is wasteful, the position that change a knife is in inside completely fore-and-aft journey inside library of process designing park. The 2nd cutting tool that the lower part of main shaft of mill of machine tool car configures props up accessory to use structure of distinctive and strong swallow end chamfer, can install deep Kong Zuan broach of lever of boring cutter of series of arbor, WFL, whole, inside model cutting tool of antrum treatment power and special model face boring cutter far the large cutting tool that is more than dimension of standard cutting tool. In machine tool right end main shaft upper part sets the stage that change a knife, can access automatically most two, length can amount to the 1550mm, large cutting tool that hefts 150kg. Lever of deep aperture boring cutter and inside model cutting tool of antrum treatment power can lade a variety of treatment cutting tool, can take a knife by library of left tip pivot directly, and can slip by the machine tool of one independence an operation, need not interrupt treatment. To workpiece inside, outside when the circle undertakes machining at the same time, can achieve extremely tall coaxial to spend, can assure to bore hole again at the same time the positional precision with milling surface. It is compound treatment machine tool of the foundation with millingThis kind of machine tool is compositive on the foundation of horizontal machining center and vertical machining center turning, auger cut and tap, boring, grinding and gear hobbing and insert the technique such as tine to make horizontal or vertical mill car compound treatment machine tool. Vehicle of mill of horizontal of the INTEGREXe-800V/5 that is like Japanese MAZAK company, E-1550V10 is complex machine a machine tool, circumgyrate turning function increases in the workbench of machining center of 5 axes horizontal, next is opposite can get stuck in outfit circle dish the complete treatment of the working procedure such as car of kind of spare parts implementation, mill. Compound treatment machine tool is in car of mill of vertical of INTE Juan GREXe-500HS the circumgyrate main shaft that the machine tool controls two end to set to take chuck each, right end chuck can be in axial is adjustable, can be opposite long axis kind the spare parts undertakes supporting getting stuck machining, also can undertake short to two axis at the same time in or so two end kind the treatment of the working procedure such as the car of the spare parts, mill works. Other is compound machine a machine toolDivide above outside two kinds of more popular compound treatment machine tools, in current exhibit the compound treatment machine tool that there still are a lot of other kinds on the meeting, if be used at the W-518MT of company of WILLEMIN of the DMC60S of the DMG company that good stuff machines, Switzerland,wait. Be a foundation with grinding with wheelhead circumgyrate type (may change style) compound treatment machine tool, other still have the compound treatment machine tool that combine all sorts of technology such as laser beam machining, punch, heat treatment and becomes. Anyhow, current exhibit scale of compound treatment machine tool is larger on the meeting, breed is numerous with the level taller, the progress that can see compound treatment machine tool in the ascendant. Compound treatment machine tool of future will link the development of technology of numerical control technology, software technology, IT, dependability, to component part contracted change, the structure is compact change, configuration is modular with component commercialization way develops. The function of compound treatment machine tool also can ask to develop to diversification according to the treatment of the user, promising agrees with much breed, odd a complete function sex that produces a condition with small lot is compound treatment machine tool, also promising agrees with the compound treatment machine tool with the appropriative appropriate function that improves manufacturing efficiency, bigger batch to produce a condition. In the meantime, compound processing technique also is having wide development perspective on bed of heavy-duty, large scale computer. Compound treatment is the important way that prospective machine tool develops.
A few days ago, world span is the biggest exceed mill of car of door of dragon of bridge-type of numerical control of XKA28105300 of machine tool of heavy-duty numerical control compound machine tool is in Beijing factory of the first machine tool is born. The beam of XKA28105300 machine tool was used with before lathe bed, slide carriage is transverse static press what slideway differs to hang down design of slideway of Xiang Jing pressing, realized face of its besmear model and pillar slideway not to have direct contact consequently, have never wear away, carrying capacity is large wait for an advantage. Assembling on measure crossbeam much place is quiet each oily bag that press the quantity since float and Germany to measure assemble a technology twice of oil pressure to be united in wedlock effectively, solved crossbeam static the issue that press.
Demaji machined an industry to roll out the machine tool of a series of high end technologies in the light of the mould recently, the key rolls out mill of 4 axes car Ta1250TC4A of Juan of CTXbe of compound machining center. Its deploy car mill main shaft (turn up 12000r/m) , issue knife tower, deputy main shaft and B axis, can use the torsion motor that makes face or treatment of 6 5 axes linkage, contain 24 knives knife library. Its innovation plan provided sufficient flexibility for all sorts of diverse demands, can change technical configuration according to using requirement actually, apply extensively at drive technology, auto industry and mechanical manufacturing industry to wait. Brand-new CTX series also depends on open up of new-style CTXbeta1250TC4A machine tool 4 axes turning produces new field.
A few days ago, by Shandong grand independence of ego of health equipment group exceeds on the world that design research and development creates large 3000 numerical control of 25.4 × are medium thick board horizontal stroke of leveling of open a book to read cuts product line in Shanghai saddle steel the investment of machining center makes in order to reachs HK7183 (C) equipment of vertical machining center, 3 ～ 12.7, indicating our country is large super- wide in thick board engineering capability of rolled steel treatment already achieved international advanced level.
Numerical control latheGroup of begin to learn of numerical control technology is in on numerical control machine tool when solid example, especially high post is high only student, although relevant professional technology course already all had learned, but because lack production to carry out experience, consideration issue is not quite overall, mutual be well versed in has used the knowledge that learns place very hard, the part that often causes solid example treatment cannot achieve expectant goal. Pass solid example example to undertake analytic discussion with respect to the combinative problem of craft and process designing now. Condition of 1. solid example(Equipment of 1) solid Zhen: “GTC2E ” numerical control lathe. (2) order system: “SANYING ” system of imitate of numerical control lathe. (Example of 3) solid example: File handle. (4) example preform: φ 26mm log. (5) part drawing: File handle part drawing is shown like attached drawing place. Process of protocol of 2. technology program(1) wants perusal design above all, cent folds part drawing knowable handle outline is by a conic stage, cylinder and curved surface of join of 3 circular arc are comprised. Decide workpiece coordinate origin and the coordinate that juice cipher out loses a point every and the coordinate that curvilinear join nods, see the place on part drawing is noted. (2) chooses cutting tool, basically be structure of consideration cutting tool and dimension whether already machined place happening to interfere with workpiece, in cutting cutting is nodded one but deviate point of a knife, had happened likely to cut. Lesser to dimension curve outline can consider to use figuration cutting tool. Handle is by 3 paragraphs circular arc connective is not onefold curve outline, tool cutting edge angle of lathe tool of Lv of take an examination of turning of lathe tool of the circle outside using and deputy slant horny choice, the size of tool cutting edge angle decides the form of workpiece, and deputy slant horny choice should consider whether with already machined exterior outline to produce interference. Classics computation deputy slant horn should be more than 13.4º , reason chooses tool cutting edge angle to be 90º , deputy slant horn is 15º outside the circle is right slant knife and cut off a knife two kinds of cutting tool. (3) differentiates by the cutting tool of the choice working procedure, beyond the circle is right slant the knife gives priority to treatment cutting tool, answer to machine an all place that can machine as far as possible, change next cut off knife car cone and cut off, consider to cut off the width of the knife. Can reduce the number that change a knife so, reduce time of Li Hang Cheng. (4) still should consider to differentiate by thick, finish machining working procedure, if use program of whole outline loop, although process designing is simple, but the light locomotive trip in before a few loops is too much, those who go against treatment of play numerical control is efficient. Reason to right end R8mm ball head uses Che Zhui first law thick car, be the same as place of mid R30mm sunken arc to use circular program thick car again. After rough machining excises major surplus, again vehicle of its surface fine, in order to assure the requirement of treatment precision and exterior surface roughness. (Dosage of cutting of 5) logical choice, it is to be below the premise that assures to machine quality and cutting tool life commonly, develop machine tool function and property of cutting tool cutting adequately, make cutting efficiency highest, finished cost lowest. When rough machining, choose low cutting rate more, amount of larger back penetration of a cutting tool and feed; When finish machining, choose high cutting rate, lesser feed. Numerical control lathe3. process designing and solid example consider mediumly(1) basis craft considers to undertake process designing, process designing gives the every time in giving labor situation to walk along a knife to command namely. The coordinate origin that defines work above all (handle is right carry center) , calculate the coordinate that gives every to lose the coordinate that loses a point and curvilinear join point, see the place on part drawing is noted. Give out correctly the dot removing a knife of each labor situation, machine the initiative position of the cutting tool when a certain place namely, see the program such as the N00040 in example process designing, N00110, N00210, N00300. Of dot removing a knife affected correctly directly process designing and by the formation of treatment surface outline. (2) chooses cutting tool to differentiate by thick, finish machining and place working procedure process designing, ～ N00200 of N00040 of rough machining program, purify is major mental allowance; ～ N00280 of N00210 of finish machining program, improve exterior quality, by T01 knife (outside the circle is right slant knife, deputy slant horny 15º) is finished; Car cone and cut off program N00300 ～ N00340, by T02 knife (cut off a knife, dao Kuan 4mm) is finished. The consideration cuts off the real work point of a knife of the knife, dao Kuan’s impact should consider when process designing, see the program such as the N00300 in example process designing, N00320. (3) cannot use G00 program to make cutting tool arrives directly at workpiece surface directly in process designing, cutting tool and workpiece surface also do not allow to use G00 program shift below 0 contacts, and should use G01 program, see the program such as the N00140 in example process designing, N00220, N00270, N00310. Can prevent cutting tool and the collision that workpiece contact may produce effectively so, avoid to cause surface of workpiece of cutting tool cut or cutting tool to wear away. (4) is accurate to the knife, numerical control process designing is the athletic contrail that is outline of referenced edge spare parts with dot of point of a knife. Before solid example is machined, pass above all be opposite correctly knife, make coordinate of point of a knife and coincide of workpiece origin coordinate. Only such, ability assures to correct spare parts outline is obtained after cutting tool moves by process designing. (5) inputs process designing imitate to emulate, emulate those who see is the outline contrail that imitate point of a knife gives by process designing score. And whether to cause interference to workpiece in blade of the cutting in cutting process, very difficult in emulate reaction comes out. Emulation contrail is correct, the workpiece rough sketch that final treatment gives is not certain complete, emulate that is to say can examine process designing is correct, and cannot pass treatment course mediumly cut interference phenomenon to be mirrorred entirely. 4. example process designingFile handle is in ” GTC2E ” the process designing that undertakes machining on numerical control lathe is as follows. N00010M03S600N00020G00X60Z20N00030The circle outside T1(is right slant knife, deputy slant horn 15º )N00040G00X16Z2N00050G24X36W-10F50N00060U-5N00070U-5N00120G00X37Z2N00130G22L2N00140C00U-31N00150G0lW-2F60N00160G03U15.2W-5.5R8N00170G03U4.4W-46.9R85N00180G02U2.4W-17.6R30N00185G01U4N00190G00W72N00200G80N00210G00X0S1000N00220G01Z0F40N00230G03X15.2Z-5.5R8N00240G03X19.6Z-52.4R85N00250G02X22Z-70R30N00260G01Z-95N00270G0lX26N00280G00X60Z20S500N00290T2(cuts off a knife, dao Kuan 4mm)N00300G00X24Z-84N00310GOlX17F30N00320G01X16Z-94N00330G01X0N00340G00X60Z20N00350M05N00360M025. epilogueThe place on put together is narrated, process of numerical control solid example but reduce the following paces: Process designing of → of program of technology of protocol of → of part drawing analysis inputs → to emulate → to machine a spare parts to knife → . In the work that complex outline does not seek blindly in solid example first, the illusion uses all programs, often score a success not easily so. And should the work that make choice of has representative face a few times will practice, ceaseless on this foundation commutation practices Yi Ke. Adopt example solid standard, can press cutting tool of program of technology of part drawing protocol, choice, process designing to process a solid example work, achieve the goal of draw inferences about other cases from one instance thereby, achieve the result of get twice the result with half the effort.