CN201815943U - Grinding center - Google Patents
Grinding center Download PDFInfo
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- CN201815943U CN201815943U CN2010202064077U CN201020206407U CN201815943U CN 201815943 U CN201815943 U CN 201815943U CN 2010202064077 U CN2010202064077 U CN 2010202064077U CN 201020206407 U CN201020206407 U CN 201020206407U CN 201815943 U CN201815943 U CN 201815943U
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Abstract
The utility model relates to a grinding center, in order to solve the problems of single function and the like of the existing grinding machine, the grinding center comprises a machine body, a large planker, a worktable, a stand column, a horizontal grinding head component, a vertical grinding head component, a lubricating system and a control system, wherein the control system comprises a computer numerical control system and a servo system, and an internal-storage and external-hanging type vertical and horizontal double grinding head structure is mainly adopted, so the grinding center can realize six-axle linkage, has compact structure and high transmission efficiency, and can meet various grinding needs.
Description
Technical field
The utility model relates to a kind of grinding center.
Background technology
At present, the whole plug-in existing lathe poor stability of conventional planar grinding machine planker and bistrique, function singleness, traditional planer-type guide level grinding machine, its volume is too huge, and it is big to take the production site area, and other grinding machine machining functions is all single relatively.
The storehouse target of building of grinding database is the actual production service, but the grinding database of having set up is put to the few of practicality.The one, the grinding data reliability is not high.Because the influence factor at random of grinding is numerous, the different grinding wheel performances that production firm provided is also different; The 2nd, the grinding data volume is few.
Because grinding is a kind of method for fine finishing, influence all multifactor of machined surface roughness but exist grinding burn, emery wheel passivation and emery wheel and surface of the work gap etc., these factors are difficult to detect and monitor, and therefore are difficult to accurately prediction ground effect.
The grinding data derive from grinding handbook, production practices data and grinding test usually, and as table one, these " static state " datas are various, are difficult to guarantee accurately.Grinding simultaneously is a quite complicated process, have the feature of high speed micro-cutting and high speed swiping friction concurrently, grinding efficiency is except that depending on the choose reasonable grinding depth and the amount of feeding, and is also relevant with a plurality of variable factors such as part shape, conditions of machine tool, grinding fluid state, crushings.How the reliable grinding data of optimizing of choose reasonable grinding process parameters and system are major issues always in grinding.
Table one: the pluses and minuses in three kinds of sources of grinding data relatively
| The grinding Data Source | Data volume | The data strip rational faculty | Specific aim | Accuracy |
| The grinding handbook | Extensively | Stronger | Relatively poor | Relatively poor |
| Production practices | Data is disperseed | Difference | Stronger | Good |
| Grinding test | Limited | Generally | Targetedly | Difference |
Multi-shaft interlocked numerical control grinding equipment also can not satisfy needs of production far away.Can provide the reliable grinding data of optimizing of system and the grinding database of assisted Selection grinding process parameters according to processing request is the indispensable important component part in grinding center.Cut down finished cost and obtain high accuracy, high reliability and high-quality demand for satisfying, the intelligent degree that increases grinding system and operating aspect is irreversible trend.
Summary of the invention
The purpose of this utility model provides the grinding center of a kind of pair of bistrique multiaxis.
The technical scheme that its technical problem that solves the utility model adopts is: comprise lathe bed 1,9, saddle 10, workbench 2, column 3, horizontal wheelhead assembly and Vertical Mill head assembly, lubricating system, control system, control system comprises Computerized digital control system and servo-drive system, lathe bed 1 and back lathe bed 9 before lathe bed is divided into, door shape column 3 is located on the lathe bed 9 of back, the horizontal wheelhead assembly places within the shape column 3, Vertical Mill head assembly is positioned at a side of a shape column 3, saddle 10 is located on the preceding lathe bed 1, workbench 2 is set on the saddle 10, and it is upright that this structure is called the internal memory external hanging type, two grinding wheel head structures crouch.
The horizontal wheelhead assembly comprises horizontal wheelhead planker 4 and horizontal wheelhead 5, and horizontal wheelhead 5 is below horizontal wheelhead planker 4, and horizontal wheelhead planker 4 links to each other with door shape column 3; Vertical Mill head assembly comprises Vertical Mill head planker 6, indexable rotating disk 7 and Vertical Mill head 8, and Vertical Mill head 8 links to each other with indexable rotating disk 7, and indexable rotating disk 7 links to each other with Vertical Mill head planker 6, and Vertical Mill head planker 6 links to each other with column 3.
Dresser is established in the left side of horizontal wheelhead planker 4, and dresser can onlinely be repaired; On Vertical Mill head 8 horizontal wheelheads 5, wheel-guard is set, in wheel-guard, establishes permanent magnetic adhesion device, to reduce of the influence of crushing bits working face.Vertical Mill head splint 6 can adopt the cantilevered supporting plate.
The embedded computer digital control system, two CPU based on the special-purpose motion numerical control of ARM+FPGA chip make up the Computerized digital control system hardware platform, wherein the main effect of ARM controller is to be responsible for spinning in the operational system and managing relevant task, is the main control CPU of system; The special-purpose motion control chip of FPGA be responsible for moving operand such as interpolation computer big, to the task that the real-time of task is had relatively high expectations, be exclusively used in heavy interpolation operation, alleviate the burden of arm processor.
The workbench servo drive system is installed on the Vertical Mill head planker 6, and servomotor adopts no gap yielding coupling and ball screw direct connection, and the screw mandrel front end adopts high accuracy tetrad screw mandrel bearing fixed support, and the rear end is the support of duplex ball journal, and column adopts double-deck guide rail.Lubricating system can be used loop gravity flow automatic lubricating system.
Machine tool guideway is the cast iron guide rail, and through quenching grinding, laminating processing, rigidity is strong, moves not have flexibly and creeps.Saddle and workbench adopt double V-shaped extensible guide precision to cooperate and guarantee linearity, the column of double-deck guide rail is fixed on above the machine tool of back, double fastener double embrace formula planker is placed within column gantry, the internal memory formula back and forth movement of bistrique in planker, the left side that dresser is fixed on planker guarantees online finishing, and has increased permanent magnetism and adsorbent equipment reduce the influence of crushing bits to working face in wheel-guard.
The beneficial effects of the utility model are that upright, the two grinding wheel head structures that crouch of internal memory external hanging type are guaranteed machine tool structure compactness, transmission efficiency height, reach six control abilities of feed motion, thereby satisfy different processing situations.Simultaneously, obvious energy conservation than energy-conservation 2/3 with the production capacity planograinder, is made conservation of raw material 3/4, reduces repeated clamping and improves machining accuracy and surface quality, thereby make the grinding cost reduce by 50%.
Loop gravity flow automatic lubricating system can provide lubricated to slideway and screw rod, reduces the slideway wearing and tearing, improves operating accuracy and life-span, also can save the daily worry of forgetting oiling.Gravity flow carries out constant pressure oil supply to guide rail, solves electromagnetic pump gap fuel feeding and causes error for the work extensible guide precision, solves the shortcoming of lack of lubrication of starting shooting again after starting shooting, thereby reduces maintenance, guarantees the normal operation of lathe.Move with the cantilever planker, double-deck column guide rail structure has strengthened the stability of lathe greatly, solves the temperature deformation of lathe, stress deformation and lathe overload stability.
The dual-cpu structure of the special-purpose motion control chip of the hardware using ARM+FPGA of computerized numerical system, software adopts based on the multi-task scheduling scheme of uC/OS-2 embedded real-time operating system and modularization, modularization development approach, and on control algolithm, adopt multisegment motion control adaptive algorithm and NURBS interpolation, make software and hardware system have opening, reconfigurability, versatility, ease for use, adaptability, compact conformation, at a high speed, characteristics such as high accuracy, high-performance, can carry out the grinding of complex free curved surface.Make up with embedded system, the compact conformation volume is little, and software and hardware all can reduce, and has characteristics such as opening, reconfigurability, versatility, ease for use, adaptability.
The computerized numerical system restructural can be expanded; The architecture openingization; Real-time is good.
This machine tool structure can satisfy emery wheel tool magazine and multiple forming technique, infrared detection and uninterrupted finishing, permanent magnetic adhesion device can improve machined surface quality in wheel-guard, and the automated programming platform and the control technology system that have increased the complex parts grindings belong to domestic initiation.Solve the three-dimension curved surface machining accuracy and the surface quality of complex parts, reduce repeated clamping, enhance productivity and processing stability, simplify the technological process of production, reduce production costs.
Machine coordinates directly straight measuring system going along with, microfeed, can obtain meticulous interrupted and continuous feed, because system is compensatory good, can reach very high positioning accuracy, the degree of accuracy of workpiece processing, the crack of sowing distrust among one's enemies that the grinding process software that the company that adds researches and develops is voluntarily had compensates, memory The compensation of pitch error function, expand the machining functions of lathe, solved the complicated plunge grinding processing of three-dimension curved surface, technical problems such as compensation of emery wheel automatic on-line rounding error and permanent linear speed.
Aspect numerical control, solve following several problem:
1, complex parts grinding automated programming: according to cutter spacing data, the technological parameter of emery wheel, carry out postposition in conjunction with the today's numerical control system type and handle, generate and the corresponding numerical control machining code of digital control system.After the success of motion simulation module testing, be transferred to Digit Control Machine Tool by data communication and carry out actual grinding, thereby foundation is based on the automated programming platform of complex parts grinding.
2, Grinding Process motion simulation: set up virtual grinding environment, realize the kinematics emulation of process.By the grinding process motion simulation, can check the tool track correctness and the technological feasibility of numerical control program code, avoid technology accidents such as generating routine mistake, collision and interference.
3, coordinate numerical control grinding technique parameter optimization: adopt mixed method optimum organization multifunctional numerical control grinding technique parameter, realize the optimization of process program based on artificial neural network and genetic algorithm.
4, numerical control grinding intelligence technological data bank: from the multifunctional numerical control grinding technique of complexity, extract the expertise data of excavating the technical factor that is necessary, adopt intelligent process program optimization and process data management system.
Description of drawings:
Fig. 1: structural representation.
Fig. 2: front schematic view.
Fig. 3: side schematic view.
Fig. 4: schematic top plan view
Fig. 5: Computerized digital control system software layer hierarchical structure chart.
Fig. 6: Computerized digital control system software module figure.
Fig. 7: system realizes block diagram.
Fig. 8: the frame system block diagram of software platform overall technical architecture.
Fig. 9: each function word bank block diagram of grinding database.
Figure 10: vertical, the horizontal servo amplification circuit structure schematic diagram of horizontal wheelhead.
Figure 11: vertical, the horizontal servo amplification circuit structure schematic diagram of Vertical Mill head.
Figure 12: Vertical Mill head turntable, the servo amplification circuit structure schematic diagram of workbench.
Among the figure: 1. lathe bed before; 2. workbench; 3. column; 4. bistrique lift slide; 5. horizontal wheelhead; 6. cantilevered planker; 7. rotating disk; 8. Vertical Mill head; 9. lathe bed after; 10 saddles.
The specific embodiment
As Fig. 1 to Figure 12, the utility model comprises lathe bed, saddle, workbench, column, horizontal wheelhead assembly and Vertical Mill head assembly, lubricating system, control system, control system comprises Computerized digital control system and servo-drive system, lathe bed 1 and back lathe bed 9 before lathe bed is divided into, door shape column 3 is located on the lathe bed 9 of back, the horizontal wheelhead assembly places within the shape column 3, Vertical Mill head assembly is positioned at a side of a shape column 3, saddle 10 is located on the preceding lathe bed 1, workbench 2 is set on the saddle 10, and this structure is called upright, for sleeping in two grinding wheel head structures of internal memory external hanging type.
The horizontal wheelhead assembly comprises horizontal wheelhead planker 4 and horizontal wheelhead 5, and horizontal wheelhead 5 is below horizontal wheelhead planker 4, and horizontal wheelhead planker 4 links to each other with door shape column 3; Vertical Mill head assembly comprises Vertical Mill head planker 6, indexable rotating disk 7 and Vertical Mill head 8, and Vertical Mill head 8 links to each other with indexable rotating disk 7, and indexable rotating disk 7 links to each other with Vertical Mill head planker 6, and Vertical Mill head planker 6 links to each other with column 3.
Dresser is established in the left side of horizontal wheelhead planker 4, and dresser can onlinely be repaired; On Vertical Mill head 8 horizontal wheelheads 5, wheel-guard is set, in wheel-guard, establishes permanent magnetic adhesion device, to reduce of the influence of crushing bits working face.Vertical Mill head splint 6 can adopt the cantilevered supporting plate.
Lathe bed adopts monoblock cast, the T type is arranged, the inner pair panel structures that adopt of lathe bed, improve the lathe integral rigidity, preceding lathe bed adopts rectangular guideway and saddle to cooperate, saddle also can move forward and backward 700MM on one's body at external crucible, the workbench servo drive system is installed on the cantilevered planker, servomotor adopts no gap yielding coupling in the ball screw direct connection, the screw mandrel front end adopts high accuracy tetrad screw mandrel bearing fixed support, and the rear end is the support of duplex ball journal, and column adopts double-deck Guide Rail Design, its bistrique shockproof effect at work improves greatly, thereby has guaranteed the stability of lathe.Machine tool guideway is the cast iron guide rail, through quenching, grinding, laminating processing; Saddle and workbench adopt double V-shaped extensible guide precision to cooperate.
Lubricating system is a loop gravity flow automatic lubricating system, can provide lubricated to slideway and screw rod, reduces the slideway wearing and tearing, improves operating accuracy and life-span, also can save the daily worry of forgetting oiling.Gravity flow carries out constant pressure oil supply to guide rail, solves electromagnetic pump gap fuel feeding and causes error for the work extensible guide precision, solves the shortcoming of lack of lubrication of starting shooting again after starting shooting, thereby reduces maintenance, guarantees the normal operation of lathe.
With embedded type C NC computerized numerical system, guarantee horizontal wheelhead along traverse feed, length feed and vertical direction feeding, and six controls automatically of rotating feeding in the feeding longitudinally of Vertical Mill head, the vertical direction feeding plane vertical with the length feed direction.And can realize its multi-axis interpolation interlock according to processing technology, the maximum interlock number of axle is six.
Computerized digital control system adopts the built-in digital control system structure, two CPU based on the special-purpose motion numerical control of ARM+FPGA chip make up the Computerized digital control system hardware platform, wherein the main effect of ARM controller is to be responsible for spinning in the operational system and managing relevant task, is the main control CPU of system; The special-purpose motion control chip of FPGA be responsible for moving operand such as interpolation computer big, to the task that the real-time of task is had relatively high expectations, be exclusively used in heavy interpolation operation, alleviate the burden of arm processor.Both organically combine, and have complementary advantages, and the compact conformation volume is little, has improved systematic function, has simplified system's design, has improved system reliability, has reduced cost.SMP860 as the Si Maidi of Shenzhen company.
As Fig. 5, Computerized digital control system software layer aggregated(particle) structure is divided into three layers: wherein bottom uC/OS-2 real time operating system is the embedded OS that a source code disclosed and be exclusively used in real-time control; It on operating system hardware drive program, its function mainly is to provide good function call interface for upper strata grinding machine control application software, finish abstract to system hardware resources, mask the bottom hardware details, physical behavio(u)r by abstract bottom hardware, make upper application software realize calling to hardware capability, the Computerized digital control system application layer comprises 6 periodic tasks: man-machine interface, data are handled, i.e. interpretation of programs and preliminary treatment and acceleration and deceleration prediction control, interpolation, Position Control, logical process, auxiliary control task; The priority of position servo is the highest, the task priority of interpolation is taken second place, the priority of logical process task is taken second place again, data are handled, the priority that is interpretation of programs, preliminary treatment, acceleration and deceleration control is taken second place again, auxiliary control is taken second place again, and the priority of man-machine interface is minimum, and these 6 tasks are moved under the scheduling of uC/OS-2 operating system.
Computer control system hardware uses the embedded motion control platform of SMP860.Adopt dual-cpu structure on the SMP860 hardware, wherein MCU has adopted S3C44B0XARM7 high performance control device, and special-purpose motion control chip has adopted the SM5004 of the opportunity FPGA of Shenzhen Si Maidi company independent research.S3C44B0X uses ARM7TDMI nuclear, be operated in 66MHZ, have abundant peripheral functional modules such as lcd controller, UART, RTC, it is the core of system, is responsible for functions such as data processing and rough interpolation computing, system communication, LCD demonstration control, keyboard management and whole system operation.
In addition, system extension 8MB SDRAM and 4MB NOR FLASH and 32MB NANDflash to guarantee that enough space storage system control programs and back-up system operation are arranged.SM5004 is based on the MCX314/AS technical indicator, drawn simultaneously that other family chips develop a little individually.It can substitute the MCX3XX/A of NOVE, the similar chips such as PCL6045/6025 of NPM on the function with on the performance comprehensively, the very complicated motion control problem of script just can become simple relatively after using this chip, comprises at the uniform velocity all can being finished with hardware mode by SM5004 with emission, straight line and circular interpolation, round dot and the functions such as limit switch management, the fast planning of lifting of speed change pulse.
Computerized digital control system software layer aggregated(particle) structure is divided into three layers: wherein bottom uC/OS-2 real time operating system is the embedded OS that a source code disclosed and be exclusively used in real-time control, it possess portable, curable, can reduce, characteristic such as the formula of taking the lead, multitask, be highly suitable for the exploitation of digital control system.It on operating system hardware drive program, its function mainly is to provide good function call interface for upper strata grinding machine control application software, finish abstract to system hardware resources, mask the bottom hardware details, by the physical behavio(u)r of abstract bottom hardware, make upper application software realize calling to hardware capability.Grinding machine digital control system application layer comprises 6 periodic tasks: man-machine interface, data are handled tasks such as (interpretation of programs and preliminary treatment and acceleration and deceleration prediction control), interpolation, Position Control, logical process, auxiliary control.The priority of position servo is the highest, and the task priority of interpolation is taken second place, and the priority of logical process task is taken second place again, data are handled, the priority that is interpretation of programs, preliminary treatment, acceleration and deceleration control is taken second place again, and auxiliary control is taken second place again, and the priority of man-machine interface is minimum.These 6 tasks are moved under the scheduling of uC/OS-2 operating system.
Fig. 9 enumerates each function word bank block diagram of a kind of grinding database again, and this discrete type grinding database is made up of 6 function word banks.The grinding database be established as structural design and application software design two parts.Because abrasive machining tool adopts emery wheel, and emery wheel has particularity such as self-sharpening, and grinding belongs to fine finishining, need avoid fire damage, so must be equipped with detector and crushing program in grinding process, carries out the collection and the optimization of grinding data.According to the feature of estimating back grinding data, can set up discrete type grinding database.Because discrete type grinding data of database amount is very huge, realize management in the mode of memory scan, promptly relevant with grinding data influence factor constitutes the keyword of retrieving with different coded representation, these codes stacks.And different, so must set up corresponding word bank under the grinding database respectively, each word bank should be realized the independence operation to these keywords, obeys the master control order again with the grinding method difference.Therefore to set up referential integrity between inner each the influence factor table of database, has restriction relation between parent table and the sublist, promptly when table in case insert, renewal or deletion record, the table that computer will automatic phasing be answered is operated, with the mistake of avoiding repetitive operation and causing thus.
1, grinding process parameters word bank: comprise workpiece material, diameter of work, cooling fluid, emery wheel type and other grinding parameters.Divide into three tables: can not change and the limiting access path cycle data table for reference only; Current data temporarily stores table; The tables of data that is fit to or optimizes.The 3rd tables of data can be used for the processing next time of these workpiece.
2, grinding fluid performance word bank: the physics of cooling fluid and hot property etc. are provided.
3, the material grindability can word bank: the machinery of workpiece material and hot property etc. are provided.
4, grinding tool performance word bank: provide the emery wheel type, size, the machinery of emery wheel and thermal characteristics etc.
5, grinding Center Parameter word bank: the particulars that this provides lathe parameter upload to system from CNC.
6, truing tool word bank: the parameter of correction grinding tool etc. is provided.
Sometimes, the production for monitoring " important " part also is provided with peculiar part data word bank, is used to store all particulars that conform to of part in groups, comprises lot number, dash number, cycle data, the highest grinding temperature, algorithm data, the anti-assessment data of processing etc.
Adopt the window menu Display Technique,, message box and database front end will occur and allow to add new record to database if Digit Control Machine Tool can not find the data that processing will be used.
Present existing manipulator and related data, emery wheel tool magazine related data can meet the demands substantially.
Claims (5)
1. grinding center, comprise lathe bed (1,9), saddle (10), workbench (2), column (3), horizontal wheelhead assembly and Vertical Mill head assembly, lubricating system, control system, control system comprises Computerized digital control system and servo-drive system, lathe bed is divided into preceding lathe bed (1) and back lathe bed (9), it is characterized in that: door shape column (3) is located on the back lathe bed (9), the horizontal wheelhead assembly places within the shape column (3), Vertical Mill head assembly is positioned at a side of shape column (3), saddle (10) is located on the preceding lathe bed (1), workbench (2) is set on the described saddle (10), and it is upright that said structure is called the internal memory external hanging type, two grinding wheel head structures crouch.
2. grinding as claimed in claim 1 center is characterized in that: described horizontal wheelhead assembly comprises horizontal wheelhead planker (4) and horizontal wheelhead (5), and horizontal wheelhead (5) is in horizontal wheelhead planker (4) below, and horizontal wheelhead planker (4) links to each other with door shape column (3); Described Vertical Mill head assembly comprises Vertical Mill head planker (6), indexable rotating disk (7) and Vertical Mill head (8), and Vertical Mill head (8) links to each other with indexable rotating disk (7), and indexable rotating disk (7) links to each other with Vertical Mill head planker (6), and Vertical Mill head planker (6) links to each other with column (3).
3. grinding as claimed in claim 1 or 2 center is characterized in that: Vertical Mill head (8) and horizontal wheelhead (5) by the ball screw transmission, are done vertical and in-movement respectively by two servomotors; The servomotor that is installed in indexable rotating disk (7) one sides drives indexable rotating disk (7) and rotates by the worm and gear in the rotating disk, realizes the indexable grinding of Vertical Mill head (8); Being installed in servomotor in the preceding lathe bed (1) drives workbench (2) by ball screw and vertically moves; Described servomotor all links with the embedded computer digital control system, and described embedded computer digital control system is controlled servo-drive system with the grinding data of database, and the maximum interlock number of axle is six.
4. as claim 1 or 2 or 3 described grinding centers, it is characterized in that: dresser is established in the left side of horizontal wheelhead planker (4), and dresser can onlinely be repaired; On Vertical Mill head (8) horizontal wheelhead (5), wheel-guard is set, in described wheel-guard, establishes permanent magnetic adhesion device, to reduce of the influence of crushing bits working face.
5. as claim 1 or 2 or 3 described grinding centers, it is characterized in that: described Vertical Mill head splint (6) can adopt the cantilevered supporting plate.
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| CN2010202064077U CN201815943U (en) | 2010-05-28 | 2010-05-28 | Grinding center |
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|---|---|---|---|
| CN2010202064077U CN201815943U (en) | 2010-05-28 | 2010-05-28 | Grinding center |
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| CN201815943U true CN201815943U (en) | 2011-05-04 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259282A (en) * | 2010-05-28 | 2011-11-30 | 湘潭三峰数控机床有限公司 | Grinding machining center |
| CN102430962A (en) * | 2011-08-25 | 2012-05-02 | 周齐佑 | Machining apparatus |
| CN102626889A (en) * | 2011-06-14 | 2012-08-08 | 李东炬 | High precision surface grinder |
| CN102990477A (en) * | 2012-11-30 | 2013-03-27 | 徐建 | Machining center with knife grinder |
| WO2013185603A1 (en) * | 2012-06-15 | 2013-12-19 | Xiangtan Sanfeng Cnc Machine Tool Co., Ltd | Multi-carriage dual-spindle symmetrical grinding processing center |
| CN106181387A (en) * | 2016-08-17 | 2016-12-07 | 上海优尼斯工业设备销售有限公司 | A kind of gantry moving-beam type Horizontal type milling composite machining center |
| CN113664677A (en) * | 2021-07-26 | 2021-11-19 | 甘肃博睿交通重型装备制造有限公司 | A grinding device for wave form steel web steel box girder baffle |
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2010
- 2010-05-28 CN CN2010202064077U patent/CN201815943U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259282A (en) * | 2010-05-28 | 2011-11-30 | 湘潭三峰数控机床有限公司 | Grinding machining center |
| CN102626889A (en) * | 2011-06-14 | 2012-08-08 | 李东炬 | High precision surface grinder |
| CN102430962A (en) * | 2011-08-25 | 2012-05-02 | 周齐佑 | Machining apparatus |
| CN102430962B (en) * | 2011-08-25 | 2015-03-25 | 周齐佑 | Machining apparatus |
| WO2013185603A1 (en) * | 2012-06-15 | 2013-12-19 | Xiangtan Sanfeng Cnc Machine Tool Co., Ltd | Multi-carriage dual-spindle symmetrical grinding processing center |
| EP2709797A4 (en) * | 2012-06-15 | 2015-11-25 | Xiangtan Sanfeng Cnc Machine Tool Co Ltd | Multi-carriage dual-spindle symmetrical grinding processing center |
| EA027328B1 (en) * | 2012-06-15 | 2017-07-31 | СЯНТАНЬ САНЬФЭН СиЭнСи МАШИН ТУЛ КО., ЛТД. | Multi-carriage dual-spindle symmetrical grinding processing center |
| CN102990477A (en) * | 2012-11-30 | 2013-03-27 | 徐建 | Machining center with knife grinder |
| CN106181387A (en) * | 2016-08-17 | 2016-12-07 | 上海优尼斯工业设备销售有限公司 | A kind of gantry moving-beam type Horizontal type milling composite machining center |
| CN113664677A (en) * | 2021-07-26 | 2021-11-19 | 甘肃博睿交通重型装备制造有限公司 | A grinding device for wave form steel web steel box girder baffle |
| CN113664677B (en) * | 2021-07-26 | 2024-05-31 | 甘肃博睿交通重型装备制造有限公司 | Polishing device for corrugated steel web steel box girder partition plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Grinding machining center Effective date of registration: 20150529 Granted publication date: 20110504 Pledgee: Bank of Beijing Limited by Share Ltd Changsha branch Pledgor: Xiangtan Sanfeng CNC Machine Tool Co., Ltd. Registration number: 2015430000011 |
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Granted publication date: 20110504 |
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| CX01 | Expiry of patent term |