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as the international meeting held every spring in changzhou regularly & ndash;& ndash;& ndash;& ndash;The fifth changzhou international machine tool exhibition, will be on May 19 to 21, 2017 in changzhou west lake international expo center, grand opening, on the occasion of the convention, which opens the changzhou national hi-tech enterprise changzhou gen sheng, numerical control machine tool equipment co., LTD., made its debut in changzhou machine tool exhibition, bring to show another bright spot!
changzhou gen sheng, numerical control machine tool equipment co., LTD. Is a company mainly engaged in vertical, horizontal, gantry machining center and other kinds of CNC machine tool equipment research and development, production, sales and service of modern technology enterprise, has been in the industry create & otherGen sheng, & throughout;Brands, products sold at home and abroad, deeply welcomed by the majority of users.Company is China north industries group & ndash;& ndash;China Oriental numerical control in jiangsu province designated OEM manufacturing base, extensive services in aerospace, aviation, military and education system, and achieved good reputation.The company produces the vertical machining center as defense science, technology and system of hubei province in 2005 & other;Jiangshan cup & throughout;Use machine, CNC series game 2006 in Beijing to attend & other;Major national science and technology an exhibition & throughout;As one of the few CNC machine to accept the party and state leaders.The company in & other;Administration, transportation, schools, companies throughout the &;Field working with changzhou institute of technology of profession of mechanical and electrical and other institutions, obtained many achievements of science and technology, and obtained several national patents.The panel’s argument, in 2007 passed the jiangsu province department of education set up & other;Nc machine tool in jiangsu province engineering technology research and development center throughout the &;.Accompanied by jiangnan garden construction of education equipment manufacturing technology, the company as the main construction units, and FANUC numerical control system application center, SIEMENS numerical control system in jiangsu province training center, Bosch rexroth gas-liquid electrical innovation experiment center, and the sea, kang precision measuring and reverse engineering center, science and education department of 3 d digital base, changzhou CNC machine tool precision inspection and maintenance center, formed the resource sharing, to create a high-tech, high quality of nc machine tools has laid a solid foundation.
company, which is based on modern enterprise system standard operation, has the advanced manufacturing technology and sophisticated production conditions, and with a number of internationally renowned OEM partners to maintain long-term relations of cooperation.产品远销欧洲、美国、非洲，并在广东、福建、浙江、江苏、湖北、西北等地设有专业代理。Look to the future, and win, people will take the good faith as this, technology first, for the majority of small and medium-sized enterprise dedicated like diamond quality products and services.On May 19 to 21, we meet with you in changzhou west lake international expo center, to the fifth changzhou machine tool exhibition, enjoy good times a week.
journal of hebei university of science and technology online monitoring system of the nc machining of research shi-gang wang Chen set Ma Yulin 2 2. Harbin industrial university modern production technical data of machine tool and computer communication interface and system software.For nc machine tool into!Step transformation and quality assurance system of automatic compensation research provides the necessary technical support.
271: A numerical control technology is the essence of the implementation of data driven and software control, making qualitative changes have taken place in manufacturing in the early 1980 s, the development of modern control technology to promote the development of numerical control technology, flexible manufacturing cell (FMC) appeared on the international and the flexible manufacturing system (FMS), they were thought to is the realization of computer integrated manufacturing system (CIMS) basis and necessary stage.FMS system from the point of view of structure, including the artifact flow system, cutting tool machining system flow system, the structure of the assembly system monitoring system and other subsystem, the monitoring system is a key link in the process of quality assurance function implementation.
machining size online monitoring system mainly in the process of various size parameters, real-time detection, real-time processing, and make corresponding quality control feedback, to ensure product quality.Interrupt processing recovery also need through the monitoring and control system for acquisition and storage products in the manufacturing process of the historical data, in order to analyze the quality of the information processing.
on the basis of this system is implemented in the system, is constructed based on microcomputer strong anti-jamming capability of good real-time and multitask parallel processing 1 online monitoring system of on-line monitoring system of online monitoring system based on microcomputer contact probe sensor has the following several parts: when it is in contact with the workpiece, signal a switch;X\/Y direction linear displacement sensor and related secondary instrument (GX – type A development) of Chinese academy of sciences;Used to record the X\/Y direction coordinates, and in the form of the BCD code transfer to the computer;32 road BCD code interface board);Is used for the transmission of the size of the raster information to a computer;Fund project: the national defense pre-research project of the ninth five-year plan of having to fund (13.1.1) special communication interface (SCIC) (from design and development);According to the control computer’s instruction, drive head movement, computer and information processing center;Computer related monitoring software: used to control the operation of the machining center on the computer, it is the core of the monitoring system based on microcomputer.The structure and principles of the whole detection system, such as shown in 2 monitoring system hardware devices and the interface structure in the computer control system, in order to realize the control of the production process, to the scene of the production measured parameters according to the requirements of the various ways to computer, after processing, will result in the form of digital output, at this point, also want to convert this output into suitable for quantity of the production process control.So, in between the computer and the production process, you must set up the information transmission and transformation equipment, the connection device called the output channel W input process journal of hebei university of science and technology of this system is divided into the forward channel interface and back to the channel interface were: measured object and the system is interconnected signal input channel;In this passage is mainly related to sensor signal conditioning and conversion circuit, also known as the sensor interface channel;Trigger type probe, grating and its interface belongs to the forward channel to channel, its operation monitoring system is to control the object output channel structure principle, the structure and the control object and control the Fig. 2 is closely related to the general task structuralprindples small signal output, the function of the power control XY to ac servo drive power supply and to channel after a microcomputer interface belongs to the working principle of grating ruler and install 21.1 2.1 the principle of grating ruler on the high precision CNC machine tools, the grating as position detection device it is converting mechanical displacement or analog to digital pulse, feedback to the CNC device, to realize closed loop control.Due to the development of laser technology, grating manufacture accuracy is greatly improved, now grating precision can reach micron grade, through the subdivision circuit resolution can reach 0.1 m, even higher.
decoupling, make two completely isolated from a potential of the circuit, this does not cause different potential interference into resistance, pull-up resistors under the condition of making the light coupling circuit impassability, in a high impedance state, signal conduction through 74 ls14p integer filter circuit signal into the buffer memory formation rules, when a computer instruction in b) of the four selected a functional circuit, strobing k1, k2, k3, k4, one of the corresponding signal of the cache to cache in 245, in the computer can make the signal from the k5 control, finally complete signal output 2.3 nc machine tools and the upper control computer communication interface bed CNC device with the following equipment for data transfer and information and communication;Data input and output devices;External machine control panel;General hand pulse;Feed drive circuit and main shaft driving circuit with the development of factory automation (FA) and CIMS, nc device as FA or a hierarchy of CIMS architecture, in addition to connected to the data input and output devices, and communication with host control computer, so should also have the function of the network communication between the computer communication technology is relatively mature, computer and machining center and the communication is not easy, and most of the existing machining center is not designed for network communication.The vast majority of cases through the serial port (RS – 232 – c) cannot transfer control instruction.Therefore, to realize comprehensive communication of upper computer and machining centers, must also develop a dedicated communication interface unit.The initialization module implements various initialization parameters, such as: pulse when the amount of ~ (PULEQU), timer timer 1 and 2 of the working party broken query module in the process of detection, as a result of the probe trigger signal is random, according to the requirement of the system, when the trigger signal, should be achieved: 1) the computer can accept and identify the signal;2) after the received signal to control machine tools in the axial locking;3) read the grating ruler of transmission signal at the same time, and processed in order to achieve the above purpose, taking three works: first, capture interrupt number 0 x72 softirqs, before the signal control, with the interrupt trigger signal input port for query through the feedback signal to determine the execution direction;Second, the use of computer internal timer interrupt, due to the microcomputer system is 18.2 times per second clock interrupt (IRQ1), in which the soft interrupt call, then, the frequency of the use of it can be 18.2 times per second to activate memory-resident program, inquiry and third time background, raster display module software query manner.In order to form a closed-loop detection control system, the raster data transmission should be real-time display, and can be stored in a data file for after the completion of the test data processing and adaptive compensation control.Grating transmission of data in the form of BCD code, and by operating a counterpoint is transformed into a binary number in this module are: data storage, display, single point more and error separation.
the direction control module.Set according to the actual situation of each axis direction of feed, all directions corresponding to different parameters set port operation timely order relation of feed control module.Reference speed potentiometer control mode and working principle, to design the complete control of feed speed work way of sub function (such as control of feed speed increase SETFEEDINCRECE) temporal relations including fast feed control, micro feed control and feed rate control.
spindle speed adjustment module by setting the spindle speed control works of sub function (such as control spindle speed increase SETROTATINCREASE) temporal relationship between giant automatic detection module to complete the work.For detecting path based on optimizing the control of interpolation, the steps don’t throw and it does not increase to achieve as soon as possible under the premise of feed speed interpolation algorithm for trajectory planning of real-time control of motor speed control, and take into account the location of the interpolation output 4 conclusions in this paper, the numerical control processing precision and detection efficiency of on-line monitoring technology has carried on the comprehensive experimental study, draw lessons from the domestic and foreign advanced experience monitoring, the monitoring experimental system is constructed based on microcomputer, made a special communication interface card;Using VC + + compiled a monitoring system based on WINDOWS software, which can realize multitask parallel processing;USES the digital pulse technology designed and developed to monitor prior to and after the channel control software.Through many times of experiment system operation, the measured a large amount of data, experimental data analysis results show that the system actual use effect is good, the desired research target of
the characteristics of the aerospace industry product parts is high temperature resistant, high strength, hard machining, at the same time, alloy materials and composite materials, complicated structure, high technical requirements.It puts forward higher requirements on its processing equipment, in order to promote the development of aerospace enterprise, in recent years, with strength of machine manufacturers began to develop high-end CNC machine tools, to replace imported, made a contribution for the national enterprise.
a, precision CNC system to the development of power of aeronautics and astronautics,
the characteristics of the aerospace industry product parts is high temperature resistant, high strength, hard machining, alloy material and composite material at the same time, more complicated structure, high technical requirements.It puts forward higher requirements on its processing equipment, in order to promote the development of aerospace enterprise, in recent years, with strength of machine manufacturers began to develop high-end CNC machine tools, to replace imported, made a contribution for the national enterprise.
aerospace products manufacturing of numerical control technology and equipment demand presents the following six characteristics: high mechanical processing of the numerical control requirements, almost demand for all kinds of CNC machine tools;The utilization rate of nc machine tools and CNC machining efficiency are high;Nc machining has become a CAD\/CAPP\/CAM integration application and;No drawings manufacturing base;High speed and high precision nc machining has become a inevitable trend;The structure and material requirements of different parts of nc machining process and cutting parameter optimization;Part of the numerical control technology and equipment with specificity.For nc vertical lathe and vertical turning center, vertical milling machining center, vertical lie conversion processing center, CNC boring and milling machine, efficient dedicated blade machining center, tenon tooth forming grinding machine, CNC edm machine tools such as demand is bigger, it is mainly used for difficult-to-machine materials, complex structure of the overall machine box, and semal integral impeller structure and processing of various modalities plane leaves.Engine manufacturing of aerospace products, the thrust structure of wall of inside and outside, valves, valve, such as the rotor blade processing, the CNC milling machine\/milling center, precision CNC lathes, CNC boring and milling machine, CNC equipment have more demand.More than
kinds of key components of the airborne equipment, small size, complex structure, high precision, precision CNC boring and milling machine and machining center, precision CNC lathes and turning centers, precision CNC universal cylindrical grinder, CNC edm and wedm machine tool, CNC equipment have important requirements, to meet all kinds of shell, valve body, hydraulic parts, hydraulic pressure plate, light tubes, laser gyro mirror, aspheric optical parts and other components of precision and ultra precision machining requirements.Space products play\/arrow\/spaceborne equipment mainly for the control and guidance, detection components such as high accuracy of precision instruments and machinery, mainly to the requirement of numerical control technology and equipment, precision CNC lathes and turning centers, high precision universal CNC grinding machine, CNC grinding machine, high precision optical jig grinding machine and forming nc edm machine tool, etc.
the characteristics of the aerospace industry product parts is high temperature resistant, high strength, hard machining, at the same time, alloy materials and composite materials, complicated structure, high technical requirements.Aircraft fuselage structure mainly include beam, frame, floor, wall panels, such as parts, most of the aluminum alloy or titanium alloy materials, such parts general outline size is very big, belong to the overall frame structure of thin walled cavity, mechanical cutting removal of large amount, high surface quality requirement.Processing need large, heavy machine tool equipment, such parts for workbench bearing more than 10 tons, effective stroke in more than 15 meters high rigidity of machine tool.The aircraft engine is the city of China, is the tip of the equipment manufacturing industry.
aircraft engine developed due to the high difficulty, high technical content, industry returns high characteristic, is known as modern industry;The crown jewel.A breakthrough in the field, as soon as possible to enhance our country’s economy and national defense strength, enhance the comprehensive national strength is of great significance.Countries in 2020 are brought forward in the field of aeronautics and astronautics machine localization rate of 80% of the target, which not only become a hope, also is placed in the hopes of the rise of great powers, need, including numerical control system, the feature, the host enterprise consistent efforts of the whole industry.Struggle, machine tool enterprises, technological breakthroughs will still need to gather enough strength.