CN102909605B - CNC lathe controller capable of automatically setting thread retracting distance and angle - Google Patents
CNC lathe controller capable of automatically setting thread retracting distance and angle Download PDFInfo
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- CN102909605B CN102909605B CN201210378864.8A CN201210378864A CN102909605B CN 102909605 B CN102909605 B CN 102909605B CN 201210378864 A CN201210378864 A CN 201210378864A CN 102909605 B CN102909605 B CN 102909605B
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Abstract
The invention relates to a CNC (Computer Numerical Control) lathe controller capable of automatically setting a thread retracting distance and an angle, which at least comprises a thread circulation simulation kernel module and a retracting treatment kernel module, wherein the thread circulation simulation kernel module conducts dynamic simulation through a thread circulation machining path generation unit and a thread dynamic behaviour simulation unit before doing an actual turning action, so as to master a dynamic behaviour during actual workpiece turning; and the retracting treatment kernel module transmits motion information recorded by the thread circulation simulation kernel module to an effective thread optimization unit, a retracting computation unit and a thread retracting path adjustment unit, so as to plan an appropriate thread circulation retracting action. A user is not required to designate the thread retracting distance and the angle during thread circulation, and the controller can automatically optimize the effective thread length while avoiding retracting vibration.
Description
Technical field
The present invention relates to a kind of tool and automatically specify the CNC machine tool controller of withdrawing distance and angle, belong to CNC lathe equipments technical field.
Background technology
Traditional vehicle tooth do action, as shown in Figure 1, before execution, the necessary manual operation of user, after input withdrawing distance 11 and withdrawing angle 12, just can carry out actual car tooth cyclic process.Now, produce if the withdrawing that user sets apart from deficiency, may cause the phenomenon of withdrawing vibrations, to lathe, mechanism causes damage, reduces board useful life.If avoid above-mentioned phenomenon to occur, user should appropriateness increase the withdrawing distance setting, if but excessively amplify this distance, can cause again the limit of effective tooth segment length.So lathe user possibility must be through adjustment withdrawing distance repeatedly, just avoided board vibration problems and met the acceptable car tooth of client workpiece quality and effective dental length standard simultaneously.In other words,, in the situation that must taking into account car tooth crudy and board life-span, lathe user, for the withdrawing distance fact difficult with withdrawing angle initialization, will seriously cause production efficiency low.Therefore, be to adapt to lathe industry high-speed automated demand, need exploitation one tool automatically to specify the CNC machine tool controller of withdrawing distance and angle, in order to improve lathe working (machining) efficiency and quality.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, provide a kind of tool automatically to specify the CNC machine tool controller of withdrawing distance and angle, so that user is using car tooth circulatory function, in the situation that not needing to specify withdrawing distance with withdrawing angle, plan suitable tool backlash movement, reach the effective dental length of optimization, and produce mechanism vibrations while avoiding withdrawing.
Object of the present invention is achieved through the following technical solutions:
Tool is set the CNC machine tool controller of car tooth withdrawing distance and angle automatically, and feature is:
Described controller at least comprises a car tooth circulating analog nucleus module and withdrawing processing nucleus module, car tooth circulating analog nucleus module comprises car tooth cyclic process path generation unit and Che Ya dynamic behaviour simulation unit, not yet actual carrying out carries out dynamic simulation, the dynamic behaviour while controlling actual turner by car tooth cyclic process path generation unit and Che Ya dynamic behaviour simulation unit before turning action; Wherein, car tooth cyclic process path generation unit is inputted car tooth circular process by user and is interpreted as actual car tooth circulating path, speed, acceleration, the momentum of all time points in the car tooth cyclic process path simulation car tooth cyclic process that car tooth dynamic behaviour simulation unit obtains according to car tooth cyclic process path generation unit, be controlled at the case of motion of each time point in the cyclic process of car tooth by car tooth dynamic behaviour simulation unit;
Withdrawing is processed nucleus module and is comprised effective tooth optimization unit, withdrawing computing unit and Che Ya withdrawing route adjust unit, be transferred in effective tooth optimization unit, withdrawing computing unit and Che Ya withdrawing route adjust unit by the movable information that car tooth circulation simulated core core module is recorded, plan suitable car tooth circulation tool backlash movement; Wherein, effectively tooth optimization unit produces the length of the effective tooth of optimization under the restrictive condition of mechanism vibrations in the time avoiding withdrawing; Withdrawing computing unit, calculates corresponding withdrawing distance and withdrawing angle according to the optimized length gauge of effective tooth; Car tooth withdrawing route adjust unit, the withdrawing obtaining according to withdrawing computing unit distance and withdrawing angle, the machining path when again revising car tooth and circulating in withdrawing, to export car tooth circulating path.
Further, above-mentioned tool is set the CNC machine tool controller of car tooth withdrawing distance and angle automatically, described car tooth circulating analog nucleus module, one travel path of lathe tool while providing lathe tool to carry out the cutting of car tooth to workpiece, and emulation lathe tool and the relative motion situation of workpiece in the time that car tooth cuts; Car tooth cyclic process path generation unit, it provides travel path; Car tooth dynamic behaviour simulation unit, the travel path that it is provided with car tooth circulating path generation unit, the upper limit of relative velocity, relative acceleration and relative acceleration between lathe tool and workpiece that the person of being combined with inputs, when simulating lathe tool and advancing with travel path, lathe tool and workpiece are in the relative motion information of each time point, and relative motion packets of information is containing speed, acceleration and acceleration.
A more step ground, above-mentioned tool is set the CNC machine tool controller of car tooth withdrawing distance and angle automatically, and described withdrawing is processed nucleus module, and it determines that lathe tool is in a withdrawing starting point of travel path, and travel path is done to optimization processing; Effectively tooth optimization unit, it simulates lathe tool and workpiece in the relative motion information of each time point according to the car tooth cutting depth of workpiece and car agomphiasis state simulation unit, calculates lathe tool in the withdrawing starting point of travel path; Car tooth withdrawing route adjust unit, the withdrawing starting point correction travel path calculating according to effective tooth optimization unit.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progressive being mainly reflected in:
Controller of the present invention guarantees that user is carrying out car tooth circulation time, can not need to specify car tooth withdrawing distance and angle, and controller is automatically in the situation that avoiding withdrawing vibrations, the effective dental length of optimization.Car tooth circulating analog nucleus module, Main Function is not yet actual carrying out before turning action, first sees through car tooth cyclic process path generation unit, car tooth dynamic behaviour simulation unit, carries out dynamic simulation, the dynamic behaviour when grasping actual turner.Withdrawing is processed nucleus module, sees through the movable information recording of car tooth circulation emulation core, passes in effective tooth optimization unit, withdrawing computing unit, car tooth withdrawing route adjust unit, to plan suitable car tooth circulation tool backlash movement.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: car tooth do action schematic diagram in background technology;
Fig. 2: the module diagram of CNC machine tool controller of the present invention; .
Detailed description of the invention
Tool is set the CNC machine tool controller of car tooth withdrawing distance and angle automatically, as shown in Figure 2, controller 2 at least comprises a car tooth circulating analog nucleus module 22 and withdrawing processing nucleus module 23, car tooth circulating analog nucleus module 22 comprises car tooth cyclic process path generation unit 221 and Che Ya dynamic behaviour simulation unit 222, not yet actual carrying out carries out dynamic simulation, the dynamic behaviour while controlling actual turner by car tooth cyclic process path generation unit 221 and Che Ya dynamic behaviour simulation unit 222 before turning action, wherein, car tooth cyclic process path generation unit 221 is inputted car tooth circular process 21 by user and is interpreted as actual car tooth circulating path, car tooth dynamic behaviour simulation unit 222 sees through user according to lathe mechanism characteristics, for make mechanism kinematic smooth-going with avoid vibration with increase service life, the speed of inputting, acceleration, the restrictions such as momentum, the car tooth cyclic process path obtaining according to car tooth cyclic process path generation unit 221, by this in the cyclic process of emulation car tooth, the speed of all time points, acceleration, momentum, be controlled at the case of motion of each time point in the cyclic process of car tooth by car tooth dynamic behaviour simulation unit 222,
Withdrawing is processed nucleus module 23 and is comprised effective tooth optimization unit 231, withdrawing computing unit 232 and Che Ya withdrawing route adjust unit 233, be transferred in effective tooth optimization unit 231, withdrawing computing unit 232 and Che Ya withdrawing route adjust unit 233 by the movable information that car tooth circulation simulated core core module 22 is recorded, plan suitable car tooth circulation tool backlash movement; Wherein, effectively tooth optimization unit 231 produces the length of the effective tooth of optimization under the restrictive condition of mechanism vibrations in the time avoiding withdrawing; Withdrawing computing unit 232, calculates corresponding withdrawing distance and withdrawing angle according to the optimized length gauge of effective tooth; Car tooth withdrawing route adjust unit 233, the withdrawing obtaining according to withdrawing computing unit distance and withdrawing angle, the machining path when again revising car tooth and circulating in withdrawing, to export car tooth circulating path 24.
Car tooth circulating analog nucleus module 22, one travel path of lathe tool while providing lathe tool to carry out the cutting of car tooth to workpiece, and emulation lathe tool and the relative motion situation of workpiece in the time that car tooth cuts; Car tooth cyclic process path generation unit 221, it provides travel path; Car tooth dynamic behaviour simulation unit 222, the travel path that it is provided with car tooth circulating path generation unit, the upper limit of relative velocity, relative acceleration and relative acceleration between lathe tool and workpiece that the person of being combined with inputs, when simulating lathe tool and advancing with travel path, lathe tool and workpiece are in the relative motion information of each time point, and relative motion packets of information is containing speed, acceleration and acceleration.
Withdrawing is processed nucleus module 23, and it determines that lathe tool is in a withdrawing starting point of travel path, and travel path is done to optimization processing; Effectively tooth optimization unit 231, it simulates lathe tool and workpiece in the relative motion information of each time point according to the car tooth cutting depth of workpiece and car agomphiasis state simulation unit, calculates lathe tool in the withdrawing starting point of travel path; Car tooth withdrawing route adjust unit 233, the withdrawing starting point correction travel path calculating according to effective tooth optimization unit.
In sum, controller of the present invention guarantees that user is carrying out car tooth circulation time, can not need to specify car tooth withdrawing distance and angle, and controller is automatically in the situation that avoiding withdrawing vibrations, the effective dental length of optimization.Car tooth circulating analog nucleus module, Main Function is not yet actual carrying out before turning action, first sees through car tooth cyclic process path generation unit, car tooth dynamic behaviour simulation unit, carries out dynamic simulation, the dynamic behaviour when grasping actual turner.Withdrawing is processed nucleus module, sees through the movable information recording of car tooth circulation emulation core, passes in effective tooth optimization unit, withdrawing computing unit, car tooth withdrawing route adjust unit, to plan suitable car tooth circulation tool backlash movement.
It is to be understood that: the above is only the preferred embodiment of the present invention; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. tool is set the CNC machine tool controller of car tooth withdrawing distance and angle automatically, it is characterized in that:
Described controller at least comprises a car tooth circulating analog nucleus module (22) and withdrawing processing nucleus module (23), car tooth circulating analog nucleus module (22) comprises car tooth cyclic process path generation unit (221) and car tooth dynamic behaviour simulation unit (222), not yet actual carrying out carries out dynamic simulation, the dynamic behaviour while controlling actual turner by car tooth cyclic process path generation unit (221) and car tooth dynamic behaviour simulation unit (222) before turning action; Wherein, car tooth cyclic process path generation unit (221) is inputted car tooth circular process (21) by user and is interpreted as actual car tooth circulating path, speed, acceleration, the momentum of all time points in the car tooth cyclic process path simulation car tooth cyclic process that car tooth dynamic behaviour simulation unit (222) obtains according to car tooth cyclic process path generation unit (221), be controlled at the case of motion of each time point in the cyclic process of car tooth by car tooth dynamic behaviour simulation unit (222);
Withdrawing is processed nucleus module (23) and is comprised effective tooth optimization unit (231), withdrawing computing unit (232) and car tooth withdrawing route adjust unit (233), be transferred in effective tooth optimization unit (231), withdrawing computing unit (232) and car tooth withdrawing route adjust unit (233) by the movable information that car tooth circulating analog nucleus module (22) is recorded, plan suitable car tooth circulation tool backlash movement; Wherein, effectively tooth optimization unit (231) produces the length of the effective tooth of optimization under the restrictive condition of mechanism vibrations in the time avoiding withdrawing; Withdrawing computing unit (232), calculates corresponding withdrawing distance and withdrawing angle according to the optimized length gauge of effective tooth; Car tooth withdrawing route adjust unit (233), the withdrawing obtaining according to withdrawing computing unit distance and withdrawing angle, the machining path when again revising car tooth and circulating in withdrawing, to export car tooth circulating path (24).
2. tool according to claim 1 is set the CNC machine tool controller of car tooth withdrawing distance and angle automatically, it is characterized in that: described car tooth circulating analog nucleus module (22), one travel path of lathe tool while providing lathe tool to carry out the cutting of car tooth to workpiece, and emulation lathe tool and the relative motion situation of workpiece in the time that car tooth cuts; Car tooth cyclic process path generation unit (221), it provides travel path; Car tooth dynamic behaviour simulation unit (222), the travel path that it is provided with car tooth circulating path generation unit, the upper limit of relative velocity, relative acceleration and relative acceleration between lathe tool and workpiece that the person of being combined with inputs, when simulating lathe tool and advancing with travel path, lathe tool and workpiece are in the relative motion information of each time point, and relative motion packets of information is containing speed, acceleration and acceleration.
3. tool according to claim 1 is set the CNC machine tool controller of car tooth withdrawing distance and angle automatically, it is characterized in that: described withdrawing is processed nucleus module (23), it determines that lathe tool is in a withdrawing starting point of travel path, and travel path is done to optimization processing; Effectively tooth optimization unit (231), it simulates lathe tool and workpiece in the relative motion information of each time point according to the car tooth cutting depth of workpiece and car agomphiasis state simulation unit, calculates lathe tool in the withdrawing starting point of travel path; Car tooth withdrawing route adjust unit (233), the withdrawing starting point correction travel path calculating according to effective tooth optimization unit.
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| CN201210378864.8A CN102909605B (en) | 2012-10-09 | 2012-10-09 | CNC lathe controller capable of automatically setting thread retracting distance and angle |
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| CN103394988B (en) * | 2013-07-08 | 2015-07-22 | 华中科技大学 | Method for planning cutter feeding path and cutter retreating path in multi-axis linkage abrasive belt grinding machining |
| CN110142880B (en) * | 2019-05-23 | 2022-04-01 | 泉州华数机器人有限公司 | Rollback real-time following control method for cutting equipment |
| CN112393708B (en) * | 2020-10-28 | 2022-03-18 | 华中科技大学 | In-situ measurement method for five-axis machining of blisk |
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| US4742444A (en) * | 1984-07-23 | 1988-05-03 | Siemens Aktiengesellschaft | Method of optimizing drive controls in machine tools having computer control |
| US4788481A (en) * | 1986-03-10 | 1988-11-29 | Mitsubishi Denki Kabushiki Kaisha | Numerical control apparatus |
| CN101334657A (en) * | 2007-12-20 | 2008-12-31 | 清华大学 | Imaging interactive numerical control turning automatic programming method and system |
| CN101269423A (en) * | 2008-05-14 | 2008-09-24 | 北京航空航天大学 | Multi-coordinate end milling process tool position optimization method using longitude line division tool bit |
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Address after: 215000 Chunhui Road, Suzhou Industrial Park, Jiangsu Province Patentee after: New Generation Science and Technology (Suzhou) Co., Ltd. Address before: 215021 Xinsu Industrial Park, No. 5 Xinghan Street, Suzhou City, Jiangsu Province Patentee before: Suzhou Xindai Numerical Control Equipment Co., Ltd. |