CN102855361A - Method for producing tire enveloping surfaces - Google Patents
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- CN102855361A CN102855361A CN201210338311XA CN201210338311A CN102855361A CN 102855361 A CN102855361 A CN 102855361A CN 201210338311X A CN201210338311X A CN 201210338311XA CN 201210338311 A CN201210338311 A CN 201210338311A CN 102855361 A CN102855361 A CN 102855361A
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Abstract
The invention discloses a method for producing tire enveloping surfaces, relates to the technical field of automobiles, and aims to shorten design cycle of the complete automobile and reduce production cost. The method for producing tire enveloping surfaces includes acquiring at least three first parameter values of a suspension moving relative to an automobile body by simulating motion of the suspension through three-dimension software; acquiring at least three second parameter values of a steering mechanism moving relative to the automobile body by simulating motion of the steering mechanism through the three-dimension software; respectively combining the first parameter values with each of the second parameter values mutually to form multiple coordinate points; combining the coordinate points to form multiple paths; simulating motion of a tire by the three-dimension software to form a tire enveloping surface along a surface swept by the tire moving along each path; and combining multiple enveloping surfaces to form a complete tire enveloping surface.
Description
Technical field
The present invention relates to automobile technical field, relate in particular to a kind of method of making the tire enveloping surface.
Background technology
The enveloping surface of tire refers to consider car load under various operating modes, and tire is beated with the suspension of vehicle and vehicle occupied locus when divertical motion.The tire enveloping surface has determined the hole shape of wheel cover and beater or beat-up, even the moulding of decision car load, and can check that whether tire interfered with the parts of periphery in when motion, if interfere, also need to revise the parts of tire periphery, such as QS, swing arm, the route of pipe line, vehicle frame etc.; Simultaneously the tire enveloping surface can also provide design considerations for wheel cover and mudguard; In addition, in the car load design process, the tire enveloping surface also might make the wheelspan developed according to the car load framework and the turning diameter of car load minimum adjust, and therefore in development in the early stage of car load project, makes the important step that the tire enveloping surface is the car load design.
The method for making of present domestic car load tire enveloping surface in the design phase also is in the blank stage at initial stage, particularly, make according to design experiences between the parts of tire and periphery and reserve certain space, steering vehicle carries out actual actual road test on typical road surfaces such as testing laboratory or test grounds, if tire interferes with the parts of periphery in motion process, then to revise the correlation parameter of vehicle or the parts of tire periphery, and then carry out actual road test, so repeatedly, until between the parts of tire and periphery the space reserved enough large and within rational scope.
But the method for this making tire enveloping surface need to realize by the practical operation of vehicle, but also need the actual road test that carries out repeatedly to verify, and then need to revise repeatedly the parameter of parts or the vehicle of tire periphery, like this so that the method is more loaded down with trivial details in the process of implementing, but also may cause the design cycle of car load long, cost of manufacture is higher.
Summary of the invention
Embodiments of the invention provide a kind of method of making the tire enveloping surface, can shorten preferably the design cycle of car load and reduce cost of manufacture.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of method of making the tire enveloping surface comprises:
Move to obtain suspension with respect to first parameter value more than three of body movement by the three-dimensional software simulated suspension;
Steering mechanism moves to obtain steering mechanism with respect to second parameter value more than three of body movement by the three-dimensional software simulation;
With described more than three the first parameter value mutually be combined to form a plurality of coordinate points with each described second parameter value respectively, make between described a plurality of coordinate points and mutually be combined to form a plurality of paths;
Make the described tire enveloping surface of face formation that each described path motion of tyre bead is scanned of taking turns by three-dimensional software simulation tire motion, make a plurality of described tire enveloping surfaces be combined to form complete tire enveloping surface.
Further, make after a plurality of described tire enveloping surfaces are combined to form complete tire enveloping surface described, also comprise:
Part by the complete tire enveloping surface of three-dimensional software mock survey and described tire periphery is interfered relation.
Wherein, the outside of described tire is equipped with antiskid chain.
Further, described more than three the first parameter value be positioned in the limes superiors parameter value and smallest limit parameter value of described suspension with respect to body movement.
Wherein, described more than three the first parameter value comprise Y
1, Y
2, Y
3, Y
4, Y
5
Described Y
1The suspension location parameter of expression vehicle under the state that bears limes superiors load;
Described Y
2The expression vehicle is at the suspension location parameter that bears under the fully loaded state;
Described Y
3The expression vehicle is at the suspension location parameter that bears under the state of semi-load;
Described Y
4The expression vehicle is at the suspension location parameter that bears under the unloaded state;
Described Y
5The suspension location parameter of expression vehicle under the state that bears smallest limit load.
Further, described more than three the second parameter value be positioned in the left steering extreme parameter values and right turn extreme parameter values of described steering mechanism with respect to body movement.
Wherein, described more than three the second parameter value comprise X
1, X
2, X
3
Described X
1The steering mechanism location parameter of expression vehicle under the state of left steering extreme sport;
Described X
2The steering mechanism location parameter of expression vehicle under the state of divertical motion not;
Described X
3The steering mechanism location parameter of expression vehicle under the state of right turn extreme sport.
In addition, described the first parameter represents by the decrement of vibroshock in the described suspension; Described the second parameter represents by the stroke of described steering mechanism middle rack.
A kind of method of making the tire enveloping surface that the embodiment of the invention provides, at first can obtain suspension with respect to first parameter value more than three of vehicle body and steering mechanism the second parameter value more than three with respect to vehicle body by three-dimensional software, then with described more than three the first parameter value mutually be combined to form a plurality of coordinate points with each described second parameter value respectively, to mutually be combined to form a plurality of paths between described a plurality of coordinate points again, then make the described tire enveloping surface of face formation that each described path motion of tyre bead is scanned of taking turns by three-dimensional software simulation tire motion, at last a plurality of tire enveloping surfaces are combined to form complete tire enveloping surface.This shows, in development in the early stage of car load, can produce complete tire enveloping surface by three-dimensional software, can determine the space of tire motion according to complete tire enveloping surface, thereby can directly instruct the Element Design of tire periphery, and can more reasonably arrange the part of tire periphery and the space between the tire, shortened preferably the design cycle of car load, in addition, can also reduce the number of times of revising the tire periphery part, thereby can reduce the cost of manufacture in later stage.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the process flow diagram that the embodiment of the invention is made the method for tire enveloping surface;
Fig. 2 is the process flow diagram that another embodiment of the present invention is made the method for tire enveloping surface;
Fig. 3 is the Y-X coordinate system that the movement travel of the movement travel of suspension in the embodiment of the invention and steering mechanism is combined to form;
Fig. 4 is the schematic diagram of the mulitpath that a plurality of coordinate points are combined to form mutually in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belongs to the scope of protection of the invention.
As shown in Figure 1, make the specific embodiment of the method for tire enveloping surface for the present invention, wherein, comprising:
Step S10 moves to obtain suspension with respect to first parameter value more than three of body movement by the three-dimensional software simulated suspension;
Step S11, steering mechanism moves to obtain steering mechanism with respect to second parameter value more than three of body movement by the three-dimensional software simulation;
Step S12, with described more than three the first parameter value mutually be combined to form a plurality of coordinate points with each described second parameter value respectively, make between described a plurality of coordinate points and mutually be combined to form a plurality of paths;
Step S13 makes the described tire enveloping surface of face formation that each described path motion of tyre bead is scanned of taking turns by three-dimensional software simulation tire motion, makes a plurality of described tire enveloping surfaces be combined to form complete tire enveloping surface.
A kind of method of making the tire enveloping surface that the embodiment of the invention provides, at first can obtain suspension with respect to first parameter value more than three of vehicle body and steering mechanism the second parameter value more than three with respect to vehicle body by three-dimensional software, then with described more than three the first parameter value mutually be combined to form a plurality of coordinate points with each described second parameter value respectively, to mutually be combined to form a plurality of paths between described a plurality of coordinate points again, then make the described tire enveloping surface of face formation that each described path motion of tyre bead is scanned of taking turns by three-dimensional software simulation tire motion, at last a plurality of tire enveloping surfaces are combined to form complete tire enveloping surface.This shows, in development in the early stage of car load, can produce complete tire enveloping surface by three-dimensional software, can determine the space of tire motion according to complete tire enveloping surface, thereby can directly instruct the Element Design of tire periphery, and can more reasonably arrange the part of tire periphery and the space between the tire, shortened preferably the design cycle of car load, in addition, can also reduce the number of times of revising the tire periphery part, thereby can reduce the cost of manufacture in later stage.
Describe the method for making the tire enveloping surface in the embodiment of the invention in detail below in conjunction with Fig. 2, described method comprises:
Step S20 moves to obtain suspension with respect to first parameter value more than three of body movement by the three-dimensional software simulated suspension;
Suspension is the vehicle frame of automobile and the power connector between the tire, its effect is power and the moment of torsion of transfer function between tire and vehicle frame, buffering is passed to the impulsive force of vehicle frame or vehicle body by uneven road surface, and can decay and cause thus the vibrations of automobile, to guarantee that automobile can smoothly travel, be suspended in this moment in the process of running car bob can occur, and owing to suspension is connected with tire, therefore can by the suspension bob can represent tire motion state, further by three-dimensional software the power situation of suspension is simulated, obtained the first parameter value that moves about suspension more than three.
Step S21, steering mechanism moves to obtain steering mechanism with respect to second parameter value more than three of body movement by the three-dimensional software simulation;
Steering mechanism is used for keeping or changing the mechanism of vehicle traveling direction, when motor turning is travelled, steering mechanism can guarantee coordinated angular relationship between each steering tire, therefore can be by the steering state that turns to reflect tire of steering mechanism, further can simulate the power situation of steering mechanism by three-dimensional software, obtain more than three the second parameter value about steering mechanism.
Step S22, with described more than three the first parameter value mutually be combined to form a plurality of coordinate points with each described second parameter value respectively, make between described a plurality of coordinate points and mutually be combined to form a plurality of paths;
By setting up coordinate points, can be more clearly find out that tire with respect to the different motion state of vehicle body, is input to a plurality of coordinate points in the motion simulation module of three-dimensional software, and make a plurality of coordinate points be combined to form a plurality of paths that can represent tire motion;
Step S23 makes the described tire enveloping surface of face formation that each described path motion of tyre bead is scanned of taking turns by three-dimensional software simulation tire motion, makes a plurality of described tire enveloping surfaces be combined to form complete tire enveloping surface;
Step S24 interferes relation by the part of the complete tire enveloping surface of three-dimensional software mock survey and described tire periphery;
If complete tire enveloping surface and the part of tire periphery interfere, then need to revise relevant part, and then carry out step S24, until do not interfere, and then can determine tire space on every side.
In the situation on road relatively more sliding (road surface that for example freezes), tire is wanted fitting overall chain usually, therefore also to consider the shared space of antiskid chain at the space of designing tyre, like this when motion simulation module simulation tire motion, also will be at the outside of tire fitting overall chain, can determine more exactly the space of tire like this, and then the tire that antiskid chain is installed can not interfered with the part of periphery.
Further, described more than three the first parameter value be positioned in the limes superiors parameter value and smallest limit parameter value of described suspension with respect to body movement.Two extreme parameter values that comprise like this suspension can make to be suspended within the maximum stroke range and move, and then can make the tire enveloping surface reach larger scope.
For the ease of the parameters of suspension in the embodiment of the invention clearly is described, as shown in Figure 3, the movement travel of suspension is expressed as Y-axis, and recommending the initial point of Y-axis is that vehicle is in the position of bearing under the half cargo condition, this moment suspension the first parameter value be 0, described in the embodiment of the invention more than three the first parameter value can comprise Y
1, Y
2, Y
3, Y
4, Y
5, particularly:
Described Y
1The suspension location parameter of expression vehicle under the state that bears limes superiors load, namely suspension is with respect to the positive jerk value of half load state lower suspension position (0);
Described Y
2The expression vehicle is at the suspension location parameter that bears under the fully loaded state, and namely suspension is with respect to the positive jerk value of half load state lower suspension position (0);
Described Y
3The expression vehicle is at the suspension location parameter that bears under the state of semi-load, and this moment, parameter value was 0;
Described Y
4The expression vehicle is at the suspension location parameter that bears under the unloaded state, and namely suspension is with respect to the negative jerk value of half load state lower suspension position (0);
Described Y
5The suspension location parameter of expression vehicle under the state that bears smallest limit load, namely suspension is with respect to the negative jerk value of half load state lower suspension position (0).
Above five the first parameter values relatively are conducive to the analysis of car load design, but be not limited to five the first parameter values that the embodiment of the invention provides, increase other typical first parameter value between the first for example can also be in embodiments of the present invention adjacent parameter, increase the quantity of coordinate points, can increase like this motion path of tire, and then the quantity of increase tire enveloping surface, thereby can make the complete tire enveloping surface of producing at last more accurate.
For the ease of the parameters that turns to mechanism in the embodiment of the invention clearly is described, again in conjunction with Fig. 3, the steering travel of steering mechanism is expressed as X-axis, and to recommend the initial point of X-axis be the position that vehicle does not turn to, and this moment, the second parameter value of steering mechanism was 0; In conjunction with the above-mentioned Y-axis that is formed by the motion path of suspension, can form the Y-X coordinate system, and the benchmark initial point A of Y-X coordinate system is for being comprised of at the second parameter value 0 under the steering state not at the first parameter value 0 under the state that bears half load and vehicle vehicle.
A plurality of the second parameter values can comprise X described in the embodiment of the invention
1, X
2, X
3, particularly:
Described X
1The steering mechanism location parameter of expression vehicle under the state of left steering extreme sport, the negative rotation amount of (0) when namely steering mechanism does not turn to respect to vehicle;
Described X
2The steering mechanism location parameter of expression vehicle under the state of divertical motion not, this moment, parameter value was 0;
Described X
3The steering mechanism location parameter of vehicle under the state of right turn extreme sport, the forward momentum of (0) when namely steering mechanism does not turn to respect to vehicle.
Similarly, above three turn around parameters values also relatively are conducive to the analysis of car load design, but also be not limited to three the second parameter values that the embodiment of the invention provides, increase other typical second parameter value between the second for example also can be in embodiments of the present invention adjacent parameter value, can further increase the quantity of coordinate points and the motion path of tire like this, and then can further increase the quantity of tire enveloping surface, thereby can make the complete tire enveloping surface of producing at last more accurate.
Five the first parameter values and three the second parameter values according to providing in the embodiment of the invention can form coordinate points A
1～A
15, A
1～A
15Represent the first coordinate points to the 15 coordinate points, each coordinate points represents that described tire is with respect to the movement position of vehicle body.15 coordinate points can provide ten five motion states of tire with respect to vehicle body, so that can preferentially choose more rational motion path from these 15 motion states.
But all be not limited to the embodiment of the invention owing to mentioning the quantity of the first parameter value and the second parameter value in the preamble, so the quantity of coordinate points can depend on the circumstances.
In addition, obtaining the first parameter value usually will be with parts in the suspension as the reference amount, represent the first parameter value by the movement travel of measuring these parts, therefore in embodiments of the present invention, described the first parameter is represented by the decrement of vibroshock in the described suspension; In like manner, described the second parameter can represent by the stroke of described steering mechanism middle rack.
In conjunction with above-mentioned content, the three-dimensional software in the embodiment of the invention can adopt CATIA software, and therefore in conjunction with this software, the method for making of tire enveloping surface specifically can comprise in the embodiment of the invention:
By the motion of CATIA simulated suspension with respect to vehicle body, and obtain five the first parameter value Y by the decrement of vibroshock
1, Y
2, Y
3, Y
4, Y
5, respective value be 79mm, 42mm, 0mm ,-20mm ,-50mm;
Simulate steering mechanism with respect to the motion of vehicle body by CATIA, and obtain three the second parameter value X by the middle rack stroke of steering mechanism
1, X
2, X
3,, respective value is-80mm, 0mm, 80mm;
Five the first parameter values are combined to form 15 coordinate points mutually with each second parameter value respectively, are respectively:
A
1(-80，79)、A
2(0，79)、A
3(80，79)；
A
4(-80，42)、A
5(0，42)、A
6(80，42)；
A
7(-80，0)、A
8(0，0)、A
9(80，0)；
A
10(-80，-20)、A
11(0，-20)、A
12(80，-20)；
A
13(-80，-50)、A
14(0，-50)、A
15(80，-50)；
Above-mentioned 15 coordinate points are input in the motion simulation module of CATIA, and will can optionally mutually make up between these 15 coordinate points, and form seven motion paths, as shown in Figure 4, can be respectively:
The first path is by A
1～A
3, A
6, A
9, A
12, A
15～A
13, A
10, A
7, A
4Be combined to form;
The second path is by A
1, A
8, A
15Be combined to form;
The Third Road footpath is by A
3, A
8, A
13Be combined to form;
The 4th path is by A
7, A
8, A
9Be combined to form;
The 5th path is by A
2, A
5, A
8, A
11, A
14Be combined to form;
The 6th path is by A
4, A
5, A
6Be combined to form;
The 7th path is by A
10, A
11, A
12Be combined to form.
Motion simulation module simulation tire motion by CATIA is moved respectively seven paths of wheel tyre bead, and forms seven tire enveloping surfaces;
Then by the related command among the operation CATIA, these seven described tire enveloping surfaces are combined to form complete tire enveloping surface;
Again complete tire enveloping surface is loaded in the three-dimensional model of car load, and check whether the part of tire periphery and complete tire enveloping surface interfere, if interfere, then need to revise relevant part, reexamine the interference relation of complete tire enveloping surface and amended part, until do not interfere, can also determine the space of tire motion this moment.
Wherein, the part of tire periphery can be beater or beat-up, bolster, longeron, subframe etc.
Need to prove, for the automobile of two-wheel drive, for example when two-wheel drive is front-wheel drive, at this moment steering mechanism can only drive front-wheel steer, and trailing wheel does not have turning function, front-wheel can move along seven paths, the first path to the respectively like this, forms seven tire enveloping surfaces, then is combined to form complete tire enveloping surface by seven tire enveloping surfaces; And trailing wheel is not owing to there being a turning function, and therefore can only move along the 5th path forms a tire enveloping surface, and determines the space of trailing wheel by this enveloping surface.
In addition, before input coordinate point in the motion simulation module of CATIA, the three-dimensional model part that designs need to be loaded in the operation interface of this motion simulation module, wherein the part of three-dimensional model comprises tire, suspension, steering mechanism, subframe assembly, swing arm etc., then operate CATIA in relevant instruction, add kinematic pair between the three-dimensional model part in this operation interface, the tire motion mechanism that each part can be assembled into have a plurality of degree of freedom, and then can realize the skimulated motion of tire.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (9)
1. a method of making the tire enveloping surface is characterized in that, comprising:
Move to obtain suspension with respect to first parameter value more than three of body movement by the three-dimensional software simulated suspension;
Steering mechanism moves to obtain steering mechanism with respect to second parameter value more than three of body movement by the three-dimensional software simulation;
With described more than three the first parameter value mutually be combined to form a plurality of coordinate points with each described second parameter value respectively, make between described a plurality of coordinate points and mutually be combined to form a plurality of paths;
Make the described tire enveloping surface of face formation that each described path motion of tyre bead is scanned of taking turns by three-dimensional software simulation tire motion, make a plurality of described tire enveloping surfaces be combined to form complete tire enveloping surface.
2. the method for making tire enveloping surface according to claim 1 is characterized in that, makes after a plurality of described tire enveloping surfaces are combined to form complete tire enveloping surface described, also comprises:
Part by the complete tire enveloping surface of three-dimensional software mock survey and described tire periphery is interfered relation.
3. the method for making tire enveloping surface according to claim 2 is characterized in that, the outside of described tire is equipped with antiskid chain.
4. the method for making tire enveloping surface according to claim 1 is characterized in that, described three the first parameter values are positioned in the limes superiors parameter value and smallest limit parameter value of described suspension with respect to body movement.
5. the method for making tire enveloping surface according to claim 4 is characterized in that, described more than three the first parameter value comprise Y
1, Y
2, Y
3, Y
4, Y
5
Described Y
1The suspension location parameter of expression vehicle under the state that bears limes superiors load;
Described Y
2The expression vehicle is at the suspension location parameter that bears under the fully loaded state;
Described Y
3The expression vehicle is at the suspension location parameter that bears under the state of semi-load;
Described Y
4The expression vehicle is at the suspension location parameter that bears under the unloaded state;
Described Y
5The suspension location parameter of expression vehicle under the state that bears smallest limit load.
6. the method for making tire enveloping surface according to claim 4 is characterized in that, described more than three the second parameter value be positioned in the left steering extreme parameter values and right turn extreme parameter values of described steering mechanism with respect to body movement.
7. the method for making tire enveloping surface according to claim 6 is characterized in that, described more than three the second parameter value comprise X
1, X
2, X
3
Described X
1The steering mechanism location parameter of expression vehicle under the state of left steering extreme sport;
Described X
2The steering mechanism location parameter of expression vehicle under the state of divertical motion not;
Described X
3The steering mechanism location parameter of expression vehicle under the state of right turn extreme sport.
8. the method for each described making tire enveloping surface is characterized in that according to claim 1-7, and described the first parameter represents by the decrement of vibroshock in the described suspension;
9. the method for each described making tire enveloping surface is characterized in that according to claim 1-7, and described the second parameter represents by the stroke of described steering mechanism middle rack.
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| CN105787197A (en) * | 2016-03-17 | 2016-07-20 | 北京汽车研究总院有限公司 | Method and device for producing envelope of automobile gear shifting control mechanism |
| CN106314595A (en) * | 2015-06-16 | 2017-01-11 | 上汽通用五菱汽车股份有限公司 | Differentiation control method for gap between tire enveloping surface and wheel cowling |
| CN106777705A (en) * | 2016-12-21 | 2017-05-31 | 奇瑞汽车股份有限公司 | The method for designing on parts 3D profiles border at automotive suspension |
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| CN112257267A (en) * | 2020-10-23 | 2021-01-22 | 华人运通(江苏)技术有限公司 | Method and system for manufacturing vehicle tire envelope |
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| CN112733313A (en) * | 2019-10-28 | 2021-04-30 | 广州汽车集团股份有限公司 | Tire envelope generation method and device |
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| CN104217047A (en) * | 2013-06-05 | 2014-12-17 | 广州汽车集团股份有限公司 | Method for manufacturing envelope face of automobile front steering wheel |
| CN104217047B (en) * | 2013-06-05 | 2017-07-28 | 广州汽车集团股份有限公司 | A kind of method for making automobile steering front wheel enveloping surface |
| CN106314595A (en) * | 2015-06-16 | 2017-01-11 | 上汽通用五菱汽车股份有限公司 | Differentiation control method for gap between tire enveloping surface and wheel cowling |
| CN105260515B (en) * | 2015-09-25 | 2018-09-25 | 上汽大众汽车有限公司 | Tire dynamic envelope face interference checking method and system |
| CN105260515A (en) * | 2015-09-25 | 2016-01-20 | 上海大众汽车有限公司 | Interference checking method and system for dynamic enveloping surface of tire |
| CN105787197A (en) * | 2016-03-17 | 2016-07-20 | 北京汽车研究总院有限公司 | Method and device for producing envelope of automobile gear shifting control mechanism |
| CN105787197B (en) * | 2016-03-17 | 2019-12-03 | 北京汽车研究总院有限公司 | A kind of generation method and device of automobile shifting operation mechanism envelope |
| CN106777705A (en) * | 2016-12-21 | 2017-05-31 | 奇瑞汽车股份有限公司 | The method for designing on parts 3D profiles border at automotive suspension |
| CN109815567A (en) * | 2019-01-09 | 2019-05-28 | 吉利汽车研究院（宁波）有限公司 | A kind of suspension tire envelope generation method |
| CN112287505A (en) * | 2019-07-09 | 2021-01-29 | 广州汽车集团股份有限公司 | Method and device for generating front wheel envelope, and computer storage medium and equipment |
| CN112733313A (en) * | 2019-10-28 | 2021-04-30 | 广州汽车集团股份有限公司 | Tire envelope generation method and device |
| CN112257267A (en) * | 2020-10-23 | 2021-01-22 | 华人运通(江苏)技术有限公司 | Method and system for manufacturing vehicle tire envelope |
| CN112257267B (en) * | 2020-10-23 | 2023-12-01 | 华人运通(江苏)技术有限公司 | Manufacturing method and system for vehicle tire envelope |
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