CN106950848A - A kind of nc machining simulation device based on tangle bintree model - Google Patents
A kind of nc machining simulation device based on tangle bintree model Download PDFInfo
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- CN106950848A CN106950848A CN201610002554.4A CN201610002554A CN106950848A CN 106950848 A CN106950848 A CN 106950848A CN 201610002554 A CN201610002554 A CN 201610002554A CN 106950848 A CN106950848 A CN 106950848A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
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- Automation & Control Theory (AREA)
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Abstract
The present invention is a kind of nc machining simulation device based on tangle bintree model.The simulator is made up of database module, NC code editors module, machining process simulating module, first the tool-information in database, NC code libraries, machined parameters integrate the NC codes for being used for generating processing part；Secondly the machining area under every NC code is determined, part is processed according to the curved surface features condition of different view distance and free form surface；Finally render the workpiece after processing.The present invention has advanced design concept, practical function, the good feature of man-machine interaction, conversion that can be based on view distance and the change of curved surface unique characteristics can continuous, dynamic display part process, the real-time and authenticity purpose of emulation are reached, while can also be in process carrying out interference and collision detection object.
Description
Technical field
The invention belongs to nc machining simulation field, nc machining simulation device is devised, can be based on view distance
Conversion and the change of curved surface unique characteristics can continuous, dynamic display part process, reach the real-time of emulation with it is true
Reality purpose, while can also be in process carrying out interference and collision detection object.
Background technology
With flourishing for modern manufacturing industry, people increasingly pay close attention to the machinability and part after processing of product
Quality problems, virtual numerical control machining analogue system is arisen at the historic moment, and it is exactly not consume real material, be not take up machine that it, which processes essence,
Computer simulation reality processing process is utilized in the case of bed apparatus, carry out the motion simulation of lathe, simulation workpiece process,
Check the work in every such as interference and collision.Existing Digit Control Machine Tool be present：1. nc machining simulation core is exactly to emulate
Real-time and authenticity the problem of, current simulation algorithm can't reach continuous, dynamic and real display
Part process；2. numerical control machining simulation system can not enter Mobile state to Free-form Surface Parts process real-time
Interference and collision detects that therefore, NC code detection real-times are not strong.
The content of the invention
The present invention on the basis of prior art is not enough there is provided it is a kind of it is more real, show process in real time
The nc machining simulation device detected with interference and collision.
The technical scheme that is used to achieve the above object of the present invention is：A kind of numerical control based on tangle bintree model
Machining simulation machine, for real, real-time display part process and interference and collision detection, it is characterised in that including：
Database module, enters the tool-information in module, NC code libraries, machined parameters according to the curved surface part feature to be processed
Row integrates the NC codes for being used for generating processing part；NC code editor modules, turn for will generate the NC codes for processing part
The code that can recognize of chemical conversion Digit Control Machine Tool, the code of output to machining simulation procedure module；Machining simulation procedure module, input
End receives the NC codes from NC code editor modules, and input receives the model data of the part from database module.
Described database module is connected by serial line interface with NC code editor modules, NC code editor modules
It is connected with machining process simulating module by serial line interface.
The division geometric error formula of described tangle bintree model is：
（1）
Z in formulaA、ZBIt is the height value of hypotenuse end points, Z respectivelyDIt is hypotenuse intermediate height value, KiFor triangle
Waviness.
Triangle waviness in described geometric error model is：
（2）
Z in formula1,Z2 ,Z3For the height value on each summit of triangle；ZiFor hypotenuse midpoint i height value；H is whole bent
The difference of the minimum and maximum height value in face；fiSingle triangle waviness is characterized, codomain scope is（0,1）.
Built-in OpenGL shape libraries, can be rendered to the part after processing in described machining process simulating module.
Patent of the present invention has following functions and effect.
A) processor can observe part processing processes in real time, and when the distance of viewpoint changes, the system can root
Part machining posture is quickly shown according to the feature of view distance and processing curve, and different level of detail can be utilized true
Real expression part feature point.
B) processor can monitor the collision between part, cutter, lathe during Machining of Curved Surface in real time according to the system
Interference detection, interference point can show that, for the cutter path interfered, device can be automatically to it in screen with red color
Green color is carried out to show.
C) the OpenGL shape libraries built in machining process simulating module can carry out computing, less opening for CPU by GPU
Pin, significantly increases the speed of nc machining simulation, so as to real, real-time display part process.
Brief description of the drawings
Fig. 1 is a kind of structure chart of nc machining simulation device based on tangle bintree model of the present invention.
Fig. 2 is a kind of tangle bintree of nc machining simulation device based on tangle bintree model of the present invention
The geometric error schematic diagram of model.
Fig. 3 is a kind of triangle waviness of nc machining simulation device based on tangle bintree model of the present invention
Schematic diagram.
Embodiment
Further Detailed Description is done to present invention implementation below in conjunction with accompanying drawing.
As shown in figure 1, a kind of nc machining simulation device based on tangle bintree model, the simulator is by data
Library module, NC code editors module, machining process simulating module composition.
Database module is connected by serial line interface with NC code editor modules, NC code editors module and processing
Process simulation module is connected by serial line interface.
First the tool-information in database, NC code libraries, machined parameters integrate is used to generate processing part
NC codes；
Secondly the machining area under every NC code is determined, according to the curved surface features condition of different view distance and free form surface
To process part, as shown in Fig. 2 judge whether curved surface part process mean camber triangular plate divides by geometric error, Fig. 3
It is triangle waviness, is that processing is weighted to geometric error evaluation function.
The workpiece after processing is rendered finally by OpenGL shape libraries built-in in machining process simulating module, to touching
The cutter path hit is modified.
Claims (6)
1. a kind of nc machining simulation device based on tangle bintree model, adds for real, real-time display part
Work process and interference and collision detection, it is characterised in that including：Database module, according to the curved surface part feature to be processed by mould
Tool-information, NC code libraries, machined parameters in block carry out integrating the NC codes for being used for generating processing part；NC code editors
Module, the NC codes that part is processed for that will generate change into the code that Digit Control Machine Tool can be recognized, the code of output is extremely processed
Simulation process module；Machining simulation procedure module, input receives the NC codes from NC code editor modules, input termination
Receive the model data of the part from database module.
2. a kind of nc machining simulation device based on tangle bintree model according to claim 1, its feature exists
In：Described database module is connected by serial line interface with NC code editor modules, and NC code editors module is with adding
Work process simulation module is connected by serial line interface.
3. a kind of nc machining simulation device based on tangle bintree model according to claim 1, its feature exists
In：Described machining simulation procedure module carries out machining using tangle bintree model to part.
4. a kind of nc machining simulation device based on tangle bintree model according to claim 3, its feature exists
In：The division geometric error formula of described tangle bintree model is：
（1）
Z in formulaA、ZBIt is the height value of hypotenuse end points, Z respectivelyDIt is hypotenuse intermediate height value, KiFor triangle start
Fu Du.
5. a kind of nc machining simulation device based on tangle bintree model according to claim 4, its feature exists
In：Triangle waviness in described geometric error model is：
（2）
Z in formula1,Z2 ,Z3For the height value on each summit of triangle；ZiFor hypotenuse midpoint i height value；H is whole curved surface
The difference of minimum and maximum height value；fiSingle triangle waviness is characterized, codomain scope is（0,1）.
6. a kind of nc machining simulation device based on tangle bintree model according to claim 1, its feature exists
In：Built-in OpenGL shape libraries, can be rendered to the part after processing in described machining process simulating module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610002554.4A CN106950848A (en) | 2016-01-06 | 2016-01-06 | A kind of nc machining simulation device based on tangle bintree model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610002554.4A CN106950848A (en) | 2016-01-06 | 2016-01-06 | A kind of nc machining simulation device based on tangle bintree model |
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| CN106950848A true CN106950848A (en) | 2017-07-14 |
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| CN201610002554.4A Pending CN106950848A (en) | 2016-01-06 | 2016-01-06 | A kind of nc machining simulation device based on tangle bintree model |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505916A (en) * | 2017-09-13 | 2017-12-22 | 上海维宏电子科技股份有限公司 | The workpiece hypotenuse processing control method effectively avoided interference with digital-control processing system |
| CN107885159A (en) * | 2017-11-10 | 2018-04-06 | 广东工业大学 | A kind of method and system of plane machining path dynamic and visual |
-
2016
- 2016-01-06 CN CN201610002554.4A patent/CN106950848A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505916A (en) * | 2017-09-13 | 2017-12-22 | 上海维宏电子科技股份有限公司 | The workpiece hypotenuse processing control method effectively avoided interference with digital-control processing system |
| CN107505916B (en) * | 2017-09-13 | 2020-01-31 | 上海维宏电子科技股份有限公司 | Workpiece bevel edge machining control method for effectively avoiding interference in numerical control machining system |
| CN107885159A (en) * | 2017-11-10 | 2018-04-06 | 广东工业大学 | A kind of method and system of plane machining path dynamic and visual |
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Application publication date: 20170714 |