Carry out by industry and informatization ministry organization ” machine tool of high-grade numerical control and foundation make equipment ” science and technology is great and special (the following abbreviation ” special ” ) start formally already. Be changed to improve the science of special government and standardization level, office of special executive government plans to build special expert warehouse, commend the work at starting an expert a few days ago, the expert that has a requirement is chosen to enter expert library in drafting the technique that recommends from relevant unit, management, financial expert. Recommend an unit to will include to be engaged in domain of special and relevant technology (component of system of lead plane of lead plane of numerical control machine tool, fundamental production equipment, numerical control, function, tool, crucial part and general character technology) research, development and production, the company that has capacity of stronger research and development (include user company) , place of courtyard of institution of higher learing, scientific research and the relevant guild of afore-mentioned domains. The expert age that drafts put in storage will not exceed 65 years old; Have deputy advanced reach above title, the research and development that afore-mentioned technical domains basically pursue inside nearly 5 years or government work; The technologist should be in main researcher serves as inside 5 years recently, had assumed scientific research of the national level, class that visit a department to plan a project, or as main researcher, had developed the innovation product that has own intellectual property and technology, this product and technology are pushed successfully already to the market. Expert library expert will need according to the job, attend special evaluation, evaluate, task examination and check and accept wait for the job.
Lathe of double head numerical control is belonged to nonstandard numerical control lathe, it is equipment of special machine tool. Client basis use unit is concrete technical condition, use a stage to amount to Electromechanical unifinication technology to use program, control facility cost effectively, satisfy the applied requirement of final user goodly.
Double head numerical control is special the main feature of lathe is to use box of double main shaft to have two-way treatment to adding workpiece. Relative to the one-way treatment process at traditional lathe, special lathe realized double head numerical control two-way treatment, academic treatment efficiency raises one times. Taller to locating the coaxial that holds clip spends a requirement 2 times not easily dish set kind with short axis kind (do not want tailstock tip) treatment of spare parts batch, CNC nicety is full automatic double head lathe is efficient it is exclusive treatment facilities even. Lathe of double head numerical control includes to control slippery entablement, left and right sides to procrastinate greatly board, electric machinery of deputy, or so fore-and-aft servo mixes guide screw of or so fore-and-aft ball numerical control device. Main shaft of as fixed as its connective is set between or so slippery entablement, this main shaft inside set hollow main shaft, drive-box and frequency conversion electric machinery, procrastinate greatly in the left and right sides board on in setting transverse left and right sides, procrastinate board, should procrastinate in the left and right sides board on the guide screw of or so transverse ball that sets form a complete set deputy with electric machinery of or so transverse servo.
2, systematic design
Technology of 2.1 control system is analysed
Lathe of double head numerical control basically develops this case the purpose is pursuit treatment efficiency, craft movement is simpler, its are big splint is OK and optional fore-and-aft motion, box of left main shaft starts, towards the left of big splint speed is mobile, labour turns into to take penetration of a cutting tool after reaching the designated position, electric machinery of the main shaft after treatment reachs the designated position quits movement, and the apply the brake on the horse, main shaft installs electromagnetism brake brake, main shaft instant stops; Big splint drives boring cutter to be exited quickly, the intermit after reaching the designated position on the right side of is mobile, main shaft electric machinery starts on the right side of, big splint moves right quickly, labour turns into to take penetration of a cutting tool after reaching the designated position, electric machinery of the main shaft after treatment reachs the designated position quits movement, movement of electromagnetism brake brake, brake of main shaft instant, big splint drives boring cutter to be exited quickly reach the designated position, await the next to machine a movement, one machines a loop to end back and forth, next loop continues to work, go round and round, until press stop key-press, end whole job process, equipment stops machine is on call. Workpiece clamping apparatus is head of hydraulic pressure card, set pressure inadequacy to call the police show, hint the person that use notices.
2.2 equipment are electric dominate program
Do not have very strict requirement to machining precision considering this case equipment, made the control system solution that contrasts economy. Sketch map of composition of principle of electric control system is like the lathe of double head numerical control that is based on a stage to amount to automation platform the graph is shown 1 times.
Graph lathe of numerical control of 1 pair of heads is electric control a system
On position control implement use a stage to amount to A2P of numerical control system – 1 only axle control implement, cost is inferior, suit applied situation of the client completely, numerical control system sends servo driver to run pulse command, execute essence of life to follow fixed position demand, big splint moves to be controlled by servo, considering the real need of inertia of big splint movement, we choose a stage to amount to motor of servo of the inertia in A series 3.0KW, provide adequate dynamical source. Main shaft report
Machine 5.5KW, chose two stages to amount to B series to communicate frequency control implement, main shaft rotate speed achieves 3000RPM, through transducer number operation face plate shows electric machinery rotate speed in real time, electric machinery starts often, electromagnetism brake apply the brake stops. Frequency instruction origin is exterior potentiometer knob, want timing of labour of ask for help according to the treatment of different workpiece. Transducer movement commands by relay contact is controlled, output switch command by numerical control system.
2.3 control system comes true
(1) numerical control system: The stage amounts to PUTNCA2P – 1, .
(2) servo driver: The stage amounts to ASD – A3023MA, .
(3) servo is motor: The stage amounts to ASMT – 30M250AK, 1.
(4) transducer: The stage amounts to VFD055B43A, 2.
3, the stage amounts to A2P system to debug
Run a state actually according to equipment spot, JOG (the hand is moved) ratio of inertia of load of servo of cipher out of the appraise below means, according to this value, software of computation of use servo gain debugs servo gain, check repeatedly, adjust equal treatment precision status to fall. Transducer has set relevant parameter, timing and locomotive command by exterior offer. The numerical control product of machine program of user of system of A2P numerical control and other is not quite same, similar fill in electronic form form, final order is as follows:
4, last word
This case technology program comes true more easily, the article is not outstanding technology innovation, it is have the aid of only the article, reflect a stage to amount to DELTA mechanical and electrical products to change the dominant position of solution and face of sexual price example in Electromechanical an organic whole, can satisfying a client on the foundation of real skill demand, it is a client as far as possible managing economy cost, also amount to mechanical and electrical products to realize control system to asked to offer for stage of other user application draw lessons from and consult experience.
Limited company of Yunnan CY group (factory of predecessor Yunnan machine tool) only then built 1961, the key mainstay business that is Chinese machinist job, exit extroversion enterprise, the country is new and high technical company. According to net of Chinese machine tool (Machine35.com) understanding, limited company of Yunnan CY group covers an area of a face to accumulate 462056.27 square metre, floor area 77483.99 square metre, existing asset 1.2 billion yuan, on-the-job employee 1761 people, project technology personnel 322 people, among them: Senior engineer 45 people 2009 sales revenue 870 million, 2010 sales revenue 1.2 billion, grow 34.7% compared to the same period, product numerical control is changed rate 54% .
Lathe of SL320 numerical control has the following characteristic:
1, the machine tool uses lathe bed of type of 45 ° inclined buy, the structure is optimized, defy a turn, fight twist stiffness strong;
2, linear scroll slideway, feed precision obstruction of tall, attrition is small, rigid good;
3, independent main shaft, form of foreign brand V takes drive, start fast, smooth. Bearing of accurate main shaft, use grease of foreign brand high speed to lubricate;
4, tool carrier can configure tool carrier of hydraulic pressure of homebred, Taiwan and tool carrier of foreign brand servo, tigidity is good, locking is reliable, precision is tall;
5, optional match a hand to move tailstock of locking hydraulic pressure;
6, three direction discharge bits means, convenient, agile, quick, platoon bits is more relaxed;
7, intelligence lubricates automatically means, lubricant and reliable, energy-saving decrease a platoon;
The dominant product of the company is machine tool of car of CY series general, numerical control, machining center, numerical control establish car, Che Xi compound center product, formed 5 kinds big, a variety of 300 norms, the product lineup of demand of tall, medium, low contented and different user. The product sells as far as to 70 many countries and area, exit is achieved collect more than 10 years to maintain above of 10 million dollar, rank the cogongrass before industry of countrywide machine tool, there is very tall business in domestic and international market praise. The company has the honor to win the whole nation early or late ” 51 ” exit of mechanical and electrical products of labor certificate of merit, whole nation is achieved collect advanced company, Yunnan to save exit of mechanical and electrical products to achieve collect the title such as advanced company. Passed ISO9001: Attestation of system of 2000 international quality, obtained attestation of European market CE. CY series general accuracy machine tool obtains ministry of former mechanical industry early or late high grade product and name of product of Yunnan province famous brand. 2006, 2010, the numerical control machine tool of own research and development has the honor to win machine tool of Chinese numerical control twice highest and honorary award ” Chun Yan award ” . Obtained Yunnan to save company of new and high technology to maintain 2008, have the honor to win name of benefit of quality of countrywide machinist job advanced company, 2008, 9 years the product CY6140 of CY group and CY-K500 series product have the honor to win name of product of countrywide user satisfaction again, be judged to be by government of Yunnan province people ” strong company of Yunnan province actor ” .
On December 5, by limited company of Shandong Lu Na machine tool the TMC25 of own research and development fastens train mill compound machining center and tower of knife of BMT65 horizontal motivation two products, passed appraisal of achievement of provincial science and technology smoothly. Yu Chengting of director of reputation of association of tool of Chinese machine tool, shandong saves chairman of machinist trade association Liu Weidong attended this appraisal to meet.
Current, market of world machine tool forward way of high speed, compound, intelligence, environmental protection develops. Compound machining center can finish the Che Xi that Lu Na machine tool develops already turning function, can finish mill again, auger, the function such as aperture of boring, tap, bore with a reamer, reaming, still have length of automatic workpiece exchange, cutting tool to detect with automatic lukewarm accuse to wait for add function, it is collect what contemporary intelligence machines is the most typical reflect, the high-end domain key such as contented war industry, aerospace is complex the treatment demand of the spare parts.
Come for years, lu Na machine tool holds to from beginning to end ” innovate continuously, improve continuously ” strategic principle, advance innovation continually, adjust and the brand builds the job, every year 30 many new products put in the market, numerical control is changed rate achieve 70% above, the product infiltrates the high-end market such as war industry, aerospace, be appointed to be contest of skill of countrywide numerical control special device, obtain ” Chinese well-known logo ” title.
Appraisal expert group thinks, the relevant technology that mill of TMC25 series car hides form report main shaft inside tower of knife of motivation of compound machining center, high-power is had Promethean; Tower of knife of BMT65 horizontal motivation designs sex of advanced, innovation strong, two products all achieved international the advanced level of congener product, agree to pass appraisal.
At Cheng Ting the innovation achievement to limited company of Lu Na machine tool offerred sufficient affirmation. He says, suffer effect of global economy crisis, benefit of business of industry of our country mechanical machine tool presents negative growth. Below this kind of environment and condition, development of Lu Na machine tool gives new product of machine tool of two high-grade numerical control, had made reserve to develop next. These two products belong to science and technology of 194 keys of our country to tackle key problem together project content, all can come true replace an entrance. The development of tower of knife of BMT65 horizontal motivation is successful, mean Lu Na machine tool to took the lead in solving this one key functional component is homebred the issue that turn, the general character technology that also makes an industry ongoing gets developing, made contribution for industry development.
On December 23, 2009, the 5 coordinate of LVC600 that development of group of machine tool of Sichuan long march develops new product of blade machining center and machining center of vertical of high accuracy of AVCP1200H high speed, passed appraisal of provincial new product. Appraisal meets new product achievement save hall of science and technology to organize an expert to be held in limited company of group of machine tool of Sichuan long march by Sichuan.
As we have learned, these two kinds of new products belong to high end of long march machine tool gross new product develops a project, it is a gender valence comparing is extremely tall applicable model machine tool, its technology level already reached current world advanced level, have stronger market competition ability, can replace an entrance completely.
Machining center of vertical of high accuracy of AVCP1200H high speed is basis of long march machine tool machine tool of a kind of when the development on the foundation that change and absorbs advantage of product of manufacturer of world advanced machine tool of user demand goes new structure, not only machining center of the C that layout form is different from a tradition vertical, its configuration and long march company’s existing AVC1200 vertical machining center also differs somewhat, its are integrated and mechanical function and parameter have advantage more.
Current, technology of world advanced machine tool appears give a kind of such trends: Let cutting tool more make motion of each axis feed as far as possible, the feed motion number of axle that work place does has been jumped over lesser. Such advantage is to be able to raise the treatment of the machine tool to answer function, improvement the spare parts machines quality.
On the structure that fulfils a machine tool for, machine tool of traditional C structure is in machine tool developed country is less and less, the machine tool of all sorts of new structures got developing. The VP600 of OKK of the RP800 of Rhodes of the HSM800 of Mi Kelang of the V56 with wild herd of the DMC1035V that is like German DMG, Japan, Switzerland, Germany, Japan. The advantage that AVC1200H vertical machining center absorbs technology of above machine tool just about and the new structure machine tool of the design. The DMC1035V of its structure type and DMG is similar.
The expert thinks, this machine tool achieved congener product international advanced level, lead position is in in home. The proposal reduces cost further, develop the market actively, contented home market is crucial to this kind the demand of equipment.
5 coordinate of LVC600 blade machining center is long march machine tool provide handsome cover in the light of blade difficult treatment of complex, material, precision is tall (especially outline precision demand is high) characteristic and machine tool of a kind of when develop a design new structure, use change pillar structure, make X, Y, Z3 directional motion has total travel to include, raised the stability of the machine tool and precision consistency. Via expert appraisal, this machine tool is in domestic banner level, main specifications index is close to international congener product is advanced level, the proposal perfects exterior function further.
The trial-produce of two kinds of products develops a success, machine tool of predicting long march will come true every year: Profit of AVCP1200H vertical machining center 1 million yuan, the section collects 800 thousand dollar, exit is achieved collect 800 thousand dollar; 5 coordinate of LVC600 profit of blade machining center 13 million yuan, taxation 16 million yuan, the section collects 8 million dollar, exit is achieved collect 8 million dollar.
In addition, two this when long march machine tool develops have the high-end product of own intellectual property, still be able to promote effectively on technology of general character key, promoted the development of technology of equipment of our country numerical control, the crucial industry that is a country provides efficient treatment equipment, drive local economy growth, replaced the respect such as the entrance to make enormous contribution.