CN107992670A - The simulation matching process of auto parts and components - Google Patents
The simulation matching process of auto parts and components Download PDFInfo
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- CN107992670A CN107992670A CN201711213576.6A CN201711213576A CN107992670A CN 107992670 A CN107992670 A CN 107992670A CN 201711213576 A CN201711213576 A CN 201711213576A CN 107992670 A CN107992670 A CN 107992670A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
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Abstract
The invention discloses a kind of simulation matching process of auto parts and components, it includes：Data collection steps, wherein, the level-one parts of vehicle are scanned to obtain their 3D data；Installation step is simulated, wherein, the simulation of level-one parts is assembled on digital standard vehicle body according to the data of scanning, to obtain the overproof data of level-one parts；Matching and analytical procedure, wherein, level-one parts and actual vehicle body digital simulation are fitted together using emulation technology according to the data of scanning and carry out the matching analysis, to obtain level-one parts and the overproof data of actual vehicle body digital simulation assembling；Size improves step, wherein, improvement alternative is formulated according to analysis result, with by analog simulation to problematic level-one component number according to repairing.The present invention carries out digital simulation matching to overall dimensions of a car, in time to find and to solve dimensional problem so that practical set need not be carried out on assembly line, the development time of vehicle is shortened and effectively reduces cost.
Description
Technical field
The present invention relates to the Virtual Assembling Technology of automobile.Specifically, the present invention relates to a kind of parts to automobile into
Row simulation matching is so as to the method for finding and eliminating dimensional discrepancy.
Background technology
In the automotive industry, it is known that foundation has RPS systems (Reference Point System, position dot system).Institute
State RPS systems and define some exploitations from new product, the manufacture of parts, detection up to the links such as the assembling of vehicle are total to
Required with anchor point and tolerance followed etc., to avoid because of the dimension overproof of parts and to final automobile assembling as far as possible
Adversely affect.At present, during automobile research, it is common practice to after the completion of the exploitation of all parts, production, then will
They are assembled on basic body (cubing, vehicle body Main measuring instrument), whether there is problem to detect parts or vehicle.However,
This method it is cumbersome and time-consuming (especially for need to change because there are problematic parts or replace lay equal stress on it is newly assembled
For situation), and may be because assembly method different and cause data distortion.
Chinese invention patent CN103440388B, which is disclosed, a kind of to be commented the quality of match of car by Virtual assemble
The method of valency, this method include to being scanned as the part of vehicle exterior cladding element the step of, according to the scanning of each part
The step of data progress Virtual assemble, carry out the step of seam and flatness analysis on the basis of theoretical vehicle body and reported according to analysis
Announcement is adjusted the step of optimization, in the adjusting and optimizing step, the position and angle of the related RPS points by setting correlated parts
Spend to adjust the rigging position of part.However, the patent is not directed to the matching analysis to vehicle accessory size and improvement.
The content of the invention
Present invention seek to address that above-mentioned the problems of the prior art, and propose a kind of for the novel virtual of automobile
Assembly method.
Specifically, the present invention relates to a kind of simulation matching process of auto parts and components, this method comprises the following steps：
- data collection steps, in this step, all level-one parts to vehicle and are scanned, to obtain these
The 3D data of level-one parts；
- simulation assembling digital standard vehicle body：In this step, the data obtained according to scanning, level-one parts are simulated
It is assembled on digital standard vehicle body (digital cubing, vehicle body Main measuring instrument), to obtain the overproof data of level-one parts,
Wherein basic body (cubing, the main inspection of vehicle body are instead of using digital standard vehicle body (digital cubing, vehicle body Main measuring instrument)
Tool)；
This effectively prevent it is common by all parts exploitation, production after the completion of assemble them into basic body again
It whether there is the way of problem on (cubing, vehicle body Main measuring instrument) to detect parts or vehicle.
- matching and analytical procedure, in this step, according to the obtained data of scanning, using emulation technology by level-one zero
Part fits together with actual vehicle body digital simulation and carries out the matching analysis, to obtain level-one parts and actual vehicle body number
According to the overproof data of simulation assembling；
- and when needed, size improves step, in this step, improvement alternative is formulated according to analysis result, to lead to
Cross emulation or analogue technique repairs the data of problematic level-one parts.
After the completion of this method need not wait the exploitation of all parts, production, then spend it is substantial amounts of manually when assemble them into
On basic body (cubing, vehicle body Main measuring instrument), it whether there is problem to detect parts or vehicle.Allow to according to RPS
Benchmark rapidly and accurately virtually fits together all parts, to find all possible dimensional problem and to provide
Corresponding solution, so as to substantially reduce the development time of vehicle and reduce its cost.This method also enables soon
Fastly to mark, ensure the accuracy of measurement result to the dimension measurement data of parts.
Especially, the 3D data of the level-one parts include the dimension data and position data of the level-one parts.
Preferably, the level-one parts are made of more sub- parts, wherein, the data collection steps, which include obtaining, is somebody's turn to do
The 3D data of all sub- parts of level-one parts, the matching and analytical procedure are included all sub- parts according to RPS benchmark
3D data carry out simulation matching.
It is further preferred that the matching and analytical procedure include all positions the problem of point and lockout issue of analysis vehicle
The Part No. of part, beyond position picture and vehicle exceed data.
The method of the present invention solves at present can only be to a small amount of car therein when automobile research process is in every wheel trial assembly car
Local location carry out CMM measurements and analysis the defects of so that the dimension data of all positions of vehicle can be obtained, and
Dimension data in all positions that vehicle can be used mark after qualified for ensureing measurement data, and these data are carried out
Analysis and improvement.
According to a preferred embodiment of the present invention, this method further includes the size development strategy of level-one parts, the plan
Slightly in entire vehicle design execution at initial stage and the dimensioned target including the material time point for each development phase and matching
Plan.
This way, it is not necessary to need to wait its all sub- part and assembling as the exploitation for the level-one parts being currently known
It is assemblied together again after the completion of line actual configuration to check for the data deviation of level-one parts, but can be one
After the completion of all sub- parts exploitations of level parts just according to different stage sub- part RPS deviation datas and determine with reference to cubing
The digital simulation of sub- part is assemblied together by bit function, is thus quickly sentenced which size of stator part and is influenced level-one parts
Size.
The method of the present invention to be directed to each level-one zero after need not completing and pinpoint the problems in the actual trial assembly of vehicle again
Part carries out case study and improvement, but can be by all level-one parts data virtuals or simulation before vehicle trial assembly
It is assemblied together, and automatically analyzes all positions the problem of point of each level-one parts or vehicle, can also be in vehicle trial assembly
The data result of simulation and vehicle trial assembly result are compared and are likely to occur to find and to solve the problems, such as afterwards.
At present, it is necessary to be improved one by one in order to problem areas (anti-after finding the problem of level-one parts and vehicle
Only all positions improve at the same time, cause countermeasure conflict or the improvement of unknown cause), then measure, if effect unobvious, then
Carry out new round improvement.The present invention solves the above problem so that can carry out data before actual improvement is carried out to part
Simulation improves, and data modification is carried out to all problems position, reuses analogue data and carries out simulation assembling, and is confirming result
Actual modification part again after effectively.In this way, save the time improved in order and the time of invalid countermeasure.
Finally, the dimension data of the invention for making it also possible to systematically all parts to vehicle is handled and size is divided
Analysis improves, size monitoring, which thereby enhances the quality of vehicle while shortening the development time of vehicle.According to the present invention,
The database of all tolerances can be stored, so as to provide accurate data for the calculating of the dimension chain of new model.For this reason, it can open
Send out a software systems.
Brief description of the drawings
The preferred embodiments of the present invention are described in detail with reference to the accompanying drawings, in the accompanying drawings：
Fig. 1 shows the basic procedure block diagram of the method according to the invention.
Embodiment
The present invention proposes a kind of digitized simulation matching process of the size of vehicle parts.This method is to gather automobile
All parts data and these auto parts and components are virtually assembled together based on the data gathered, to look into
The problems of see that parts or vehicle whether there is problem, and then take measures to solve or repair.
Referring to Fig. 1, simulation matching process of the invention includes following successive key step：
- data collection steps 100, for being scanned to the level-one parts of vehicle, to obtain these level-one parts
3D data；
- matching and analytical procedure 200, for according to the obtained data of scanning, using emulation technology by level-one parts mould
Plan fits together and carries out the matching analysis, to obtain the overproof data of level-one parts；
- and in the case of necessary, size improves step 300, for formulating improvement alternative according to analysis result, so as to
The data of problematic level-one parts are repaired by emulation or analogue technique.
As the premise of data collection steps 100, the data of RPS benchmark and the assembling side of limit standard can be defined
Formula.In this manner it is ensured that all level-one parts of vehicle, for example various small assemblies can be measured properly in cubing, and
And ensure that level-one parts single-piece is measured properly on basic body.Moreover, by, to mark, unifying with RPS reference datas
Measurement process, can also realize above-mentioned measurement process to mark.
After developing and producing the first batch of exemplar of level-one parts, these exemplars are subjected to 3D scannings in cubing, by
This obtains the 3D data of all level-one parts of vehicle.Especially, the 3D data can include the size number of each parts
According to this and parts are by the data for the position being mounted on basic body.
Then, according to RPS benchmark, the 3D data of all level-one parts obtained are matched, it is possible thereby to
To vehicle appearance data.Such digital simulation matching can be carried out by computer software using emulation technology.
Before every wheel trial assembly car, can obtain the level-one parts of entrucking in need 3D data, and utilize software
These data are subjected to simulation matching.In this regard, the data of trial assembly car can be drawn by software, such as CPK (process capability index)
Data etc., and Data Matching result and the inconsistent place of entrucking result can be found out by software.In this way, can quickly it divide
The problem of the problem of type of the problems of precipitation is, for example, parts itself or loading method.
In this way it is possible to be analyzed 100% position data of vehicle to improve the quality of vehicle, may be used also
Fully to confirm the measurement accuracy of vehicle or level-one parts.Reality is replaced in standard in addition, being matched with digitized simulation
The matching carried out on vehicle body, greatly reduces the time needed for matching, so as to shorten the construction cycle of vehicle.
Match and analytical procedure 200 in, by the 3D scan datas of all level-one parts according to predetermined RPS benchmark into
Row matching is analyzed data to detect whether that there are problem points with forming vehicle data.If it find that overall dimensions of a car
In there are problem, then automatically generate problem points inventory.For this reason, it can for example record the Part No. of problematic parts, storage
The overproof position picture of problematic parts, record the reason for overproof data and possibility etc..The step 200 is also by soft
What part carried out automatically.
After analysis result is obtained by matching and analytical procedure 200, if analysis result shows vehicle or level-one zero
Part is there are problem, then performing size for the problem improves step 300, to formulate improvement strategy.For this reason, software can be utilized
Modify to the data of problematic parts, and amended data are used for the digital simulation matching of vehicle, such as
Matching and analytical procedure 200 are performed again, to verify modification as a result, avoiding invalid modification or making as needed further
Modification.
In accordance with the present invention it is preferred that the level-one parts being made of more sub- parts can also be carried out Virtual assemble or
Digitized simulation matches.
Specifically, complete a level-one parts sub- part exploitation after, especially producing its all sons
After the first batch of exemplar of part, this little part or exemplar are measured or scanned, to collect their 3D data.Then,
The data of all sub- parts are matched using software according to RPS benchmark, thus obtain the Data Matching of the level-one parts
As a result.The Data Matching result is analyzed to check whether there are the sub- part of problem, and correspondingly generated using software
Analysis report.When pinpointing the problems sub- part, improvement strategy can be formulated by software, and by the improved sub- part
Data are re-used for Virtual assemble or the simulation matching of level-one parts, to verify the validity of improved data.
In this way, the stand-by period for waiting level-one parts practical set in the production line is eliminated, and by all
The sunykatuib analysis of sub- part ensure that the accuracy of all sizes or position data of the level-one parts, significantly improve level-one
The quality of parts and shorten its production cycle.
Preferably, method of the invention further includes size development strategy or the plan of level-one parts.The plan can be
The initial stage of development of new product is established, and is periodically tracked in each exploitation, design or production phase.
Specifically, which can be established at design initial stage of vehicle by software, and
And size objectives for using of the material time point for being included in each development phase etc..For example, it can be directed to what is easily gone wrong
Sub- part (also referred to as " the sub- part of risk ") formulates dimensionally-optimised plan, it can for example include quantity, the expection of every wheel sample
Target, the material needed, the production equipment, technique, operating personnel and the operating method that are related to etc..
For example, during being developed using software, mail reminder can be passed through before the material time point of plan
Supplier and piecemeal engineering Shi Tiqian prepare relevant size activity.During being developed using software, to risk zero
When part is carried out per size of wheel sample, pass through mail reminder relevant information.Supplier can be required by the size results of every wheel sample
Upload in dedicated system.It is contemplated that taking corresponding Emergency Countermeasures to the sub- part of risk, and ensure that all sub- parts can
Meet the target of sizing schedules in material time node.The relevant with process and technique of all sub- parts of vehicle can also be collected
Tolerance zone ability, to provide accurate data for the calculating of next project tolerance range.Moreover, it is also possible to pass through system
The size activity of all sub- parts of vehicle is tracked, to reduce the probability for the level-one parts for size exception occur and to improve whole
Car and parts quality.
Finally, the database of the parameters such as all process/techniques, the tolerance capabilities of the level-one parts of vehicle can be established.
It can also make rational planning for for each sized samples, reduce the dimensionally-optimised time.
Claims (5)
1. the simulation matching process of a kind of auto parts and components, it is characterised in that this method comprises the following steps：
- data collection steps, in this step, are scanned the level-one parts of vehicle, to obtain these level-one parts
3D data；
- simulation assembling digital standard vehicle body, in this step, the data obtained according to scanning, level-one parts are simulated and are assembled
Onto digital standard vehicle body, to obtain the overproof data of level-one parts, basic body is instead of using digital standard vehicle body；
- matching and analytical procedure, in this step, according to the obtained data of scanning, using emulation technology by level-one parts with
Actual vehicle body digital simulation fits together and carries out the matching analysis, to obtain level-one parts and actual vehicle body data mould
Intend the overproof data of assembling；
- and when needed, size improves step, in this step, improvement alternative is formulated according to analysis result, it is imitative will pass through
True or analogue technique repairs the data of problematic level-one parts.
2. according to the method described in claim 1, it is characterized in that, the 3D data of the level-one parts include level-one parts
Size and position data.
3. method according to claim 1 or 2, it is characterised in that the level-one parts are made of more sub- parts, its
In, the data collection steps include the 3D data for obtaining all sub- parts of the level-one parts, the matching and analysis step
It is rapid to include the 3D data of all sub- parts are carried out simulation matching according to RPS benchmark.
4. according to any method of the preceding claims, it is characterised in that the matching and analytical procedure include dividing
Analyse all positions the problem of point of vehicle and the Part No. of lockout issue part, exceed data beyond position picture and vehicle.
5. according to any method of the preceding claims, it is characterised in that the size for further including level-one parts is opened
Hair strategy, the strategy is in entire vehicle design execution at initial stage and includes the dimensioned of the material time point for each development phase
Target and matching are planned.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109635434A (en) * | 2018-12-12 | 2019-04-16 | 江西昌河汽车有限责任公司 | It is a kind of to optimize, shorten the matched methods of lamps and lanterns vehicle |
| CN110516320A (en) * | 2019-08-06 | 2019-11-29 | 上海交通大学 | Match Analysis and device suitable for train body assembly components |
| CN111003197A (en) * | 2018-10-04 | 2020-04-14 | 波音公司 | Method for the simultaneous production of shim-free components |
| CN111354069A (en) * | 2018-12-24 | 2020-06-30 | 江苏利柏特股份有限公司 | Method for pre-assembling modules by using 3D scanning technology |
| CN111476906A (en) * | 2020-04-10 | 2020-07-31 | 上海锦持汽车零部件再制造有限公司 | Virtual assembly detection process for remanufactured automobile appearance part |
| CN111931340A (en) * | 2020-07-06 | 2020-11-13 | 重庆诚智鹏科技有限责任公司 | Tolerance management system and management method |
| CN112097673A (en) * | 2019-06-18 | 2020-12-18 | 上汽通用汽车有限公司 | Virtual matching method and system for vehicle body parts |
| CN114720149A (en) * | 2022-03-24 | 2022-07-08 | 中国第一汽车股份有限公司 | Vehicle door matching size deviation analysis method taking test bed as carrier |
-
2017
- 2017-11-28 CN CN201711213576.6A patent/CN107992670A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003197A (en) * | 2018-10-04 | 2020-04-14 | 波音公司 | Method for the simultaneous production of shim-free components |
| CN109635434A (en) * | 2018-12-12 | 2019-04-16 | 江西昌河汽车有限责任公司 | It is a kind of to optimize, shorten the matched methods of lamps and lanterns vehicle |
| CN111354069A (en) * | 2018-12-24 | 2020-06-30 | 江苏利柏特股份有限公司 | Method for pre-assembling modules by using 3D scanning technology |
| CN112097673A (en) * | 2019-06-18 | 2020-12-18 | 上汽通用汽车有限公司 | Virtual matching method and system for vehicle body parts |
| CN110516320A (en) * | 2019-08-06 | 2019-11-29 | 上海交通大学 | Match Analysis and device suitable for train body assembly components |
| CN111476906A (en) * | 2020-04-10 | 2020-07-31 | 上海锦持汽车零部件再制造有限公司 | Virtual assembly detection process for remanufactured automobile appearance part |
| CN111931340A (en) * | 2020-07-06 | 2020-11-13 | 重庆诚智鹏科技有限责任公司 | Tolerance management system and management method |
| CN114720149A (en) * | 2022-03-24 | 2022-07-08 | 中国第一汽车股份有限公司 | Vehicle door matching size deviation analysis method taking test bed as carrier |
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