CN108984833A - A kind of tire enters mould angle analysis method and device - Google Patents
A kind of tire enters mould angle analysis method and device Download PDFInfo
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- CN108984833A CN108984833A CN201810582820.4A CN201810582820A CN108984833A CN 108984833 A CN108984833 A CN 108984833A CN 201810582820 A CN201810582820 A CN 201810582820A CN 108984833 A CN108984833 A CN 108984833A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/06—Power analysis or power optimisation
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Abstract
The invention discloses a kind of tires to enter mould angle analysis method and device, the radial force curve of fetus radial direction force curve and vulcanization obtained the present invention is based on tire split plot design, analog synthesis is carried out to fetus radial direction force curve and the radial force curve of vulcanization in such a way that datum mark phase shift is aligned, and by comparing be fitted every time obtained each item always radial direction force curve very poor value, determination enter modular angle degree reference value.Solve it is existing enter modular angle degree choosing method only by comparing tire it is each enter mould test point radial force value determines and most preferably enters mould point, the modular angle degree that enters of the caused prior art chooses the low technical problem of accuracy.
Description
Technical field
The present invention relates to tire manufacturing arts more particularly to a kind of tire to enter mould angle analysis method and device.
Background technique
With the development of automobile industry, requirement of the automobile manufacture to tire quality is also higher and higher, in the mistake of tire production
Cheng Zhong, causing the underproof influence factor of the first machine examination is often exactly radial force and radial force first harmonic, due to fetus and mould
Tool non-proper circle under time of day, each there is different states, so that tire radial force and radial force first harmonic are different,
And that chooses enters modular angle degree difference, and the tire radial force and radial force first harmonic of generation are also different.
It is existing enter modular angle degree choosing method only merely measurement tire it is each enter mould test point radial force value passing through ratio
It is more each enter mould test point radial force value determine most preferably enter mould point, not to embryo's radial force and vulcanization two kinds of factors of radial force
It is finely divided, the modular angle degree that enters for resulting in the prior art chooses the low technical problem of accuracy.
Summary of the invention
The present invention provides a kind of tires to enter mould angle analysis method and device, enters modular angle degree for solve the prior art
Choose the low technical problem of accuracy.
The present invention provides a kind of tires to enter mould angle analysis method, comprising:
S1: analytic approach is divided by tire, sampling calculating is carried out to sample tire, obtain the fetus diameter of the sample tire
To force curve and vulcanize radial force curve；
S2: using the first sampled point of the fetus radial direction force curve as fetus curve datum mark, with the vulcanization radial force
First sampled point of curve is curing curve datum mark；
S3: the fetus curve datum mark is corresponding with the curing curve datum mark, so that the fetus radial force is bent
Each sampled point of line and each sampled point for vulcanizing radial force curve are with the fetus curve datum mark and the vulcanization
It is successively corresponded on the basis of curve datum mark；
S4: according to the sum of the fetus radial direction force curve and the radial force curve of the vulcanization, total radial force curve is obtained；
S5: judge whether the corresponding next sampled point of the curing curve datum mark is the radial force curve of the vulcanization
First sampled point；If it is not, then using the current corresponding next sampled point of the curing curve datum mark as curing curve benchmark
Point, and return step S3, if so, thening follow the steps S6；
S6: the very poor value of more each total radial force curve, according to the minimum very poor sulphur for being worth corresponding total radial force curve
Change curve datum mark, is calculated by presetting angle conversion formula and enter and leave modular angle degree reference value.
Preferably, the presetting angle conversion formula are as follows:
∠ α=360/n* (X-1)；
Wherein, ∠ α is the angle value into mould point, and n is number of sampling points, and X is that curing curve datum mark corresponds to total radial force
The X sampled point of first sampled point of curve.
Preferably, the first sampled point of the fetus radial direction force curve corresponds to 0 ° of benchmark of the fetus radial direction force curve
Point, first sampled point for vulcanizing radial force curve correspond to 0 ° of datum mark for vulcanizing radial force curve.
The present invention provides a kind of tires to enter modular angle degree analytical equipment, comprising:
Radial force curve acquisition unit carries out sampling calculating to sample tire for dividing analytic approach by tire, obtains
The fetus radial direction force curve of the sample tire and the radial force curve of vulcanization；
Initial baseline point determination unit, for using the first sampled point of the fetus radial direction force curve as fetus curve benchmark
Point, using first sampled point for vulcanizing radial force curve as curing curve datum mark；
Datum mark aligned units, for the fetus curve datum mark is corresponding with the curing curve datum mark, so that
Each sampled point of the fetus radial direction force curve and each sampled point for vulcanizing radial force curve are with the fetus curve
It is successively corresponded on the basis of datum mark and the curing curve datum mark；
Total radial force curve acquisition unit, for according to the fetus radial direction force curve and vulcanization radial direction force curve it
With obtain total radial force curve；
Datum mark translation unit, for judging whether the corresponding next sampled point of the curing curve datum mark is described
Vulcanize the first sampled point of radial force curve；If it is not, then with the current corresponding next sampling of the curing curve datum mark
Point is curing curve datum mark, and returns and execute datum mark aligned units, if so, executing into mould angle determination unit；
Enter mould angle determination unit, for the very poor value of more each total radial force curve, is corresponded to according to minimum very poor value
Total radial force curve curing curve datum mark, pass through presetting angle conversion formula and calculate and enter and leave modular angle degree reference value.
As can be seen from the above technical solutions, the invention has the following advantages that
The present invention provides a kind of tires to enter mould angle analysis method, comprising: S1: dividing analytic approach to sample by tire
Tire carries out sampling calculating, obtains the fetus radial direction force curve of the sample tire and vulcanizes radial force curve；S2: with the tire
First sampled point of embryo radial direction force curve is fetus curve datum mark, using first sampled point for vulcanizing radial force curve as sulphur
Change curve datum mark；S3: the fetus curve datum mark is corresponding with the curing curve datum mark, so that the fetus is radial
Each sampled point of force curve and each sampled point for vulcanizing radial force curve are with the fetus curve datum mark and described
It is successively corresponded on the basis of curing curve datum mark；S4: bent according to the fetus radial direction force curve and the vulcanization radial force
The sum of line obtains total radial force curve；S5: judge whether the corresponding next sampled point of the curing curve datum mark is described
Vulcanize the first sampled point of radial force curve；If it is not, then with the current corresponding next sampling of the curing curve datum mark
Putting is curing curve datum mark, and return step S3, if so, thening follow the steps S6；S6: the pole of more each total radial force curve
Difference passes through presetting angle conversion formula meter according to the minimum very poor curing curve datum mark for being worth corresponding total radial force curve
It calculates into modular angle degree reference value.
The radial force curve of fetus radial direction force curve and vulcanization obtained the present invention is based on tire split plot design, is moved by datum mark
The mode to align is to fetus radial direction force curve and vulcanizes radial force curve progress analog synthesis, and is fitted every time by comparing
The very poor value of the total radial force curve of each item arrived, determines modular angle degree reference value.Solve it is existing enter modular angle degree choosing method
Only by comparing tire it is each enter mould test point radial force value determines and most preferably enters mould point, the caused prior art enters modular angle degree
Choose the low technical problem of accuracy.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the flow diagram of one embodiment that a kind of tire provided by the invention enters mould angle analysis method；
Fig. 2 is the structural schematic diagram of one embodiment that a kind of tire provided by the invention enters modular angle degree analytical equipment.
Specific embodiment
The embodiment of the invention provides a kind of tires to enter mould angle analysis method and device, for solving entering for the prior art
Modular angle degree chooses the low technical problem of accuracy.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Referring to Fig. 1, the embodiment of the invention provides a kind of tires to enter mould angle analysis method, comprising:
101: analytic approach being divided by tire, sampling calculating is carried out to sample tire, obtain the fetus radial force of sample tire
Curve and the radial force curve of vulcanization；
It should be noted that being divided into several samplings for 360 ° of finished tire one week by detection and data analysis first
Point, dividing analytic approach layer by tire Chu fetus radial direction force curve and the radial force curve of vulcanization；
Wherein, in the present embodiment, the number of sampling points of setting is 128, and each sampled point is circumferentially between 360 degree etc.
Every user can increase the number of sampled point according to the accuracy requirement to product.
102: using the first sampled point of fetus radial direction force curve as fetus curve datum mark, to vulcanize the of radial force curve
One sampled point is curing curve datum mark；
103: fetus curve datum mark is corresponding with curing curve datum mark, so that each sampling of fetus radial direction force curve
Each sampled point of point and vulcanization radial direction force curve on the basis of fetus curve datum mark and curing curve datum mark successively one by one
It is corresponding；
104: according to the sum of fetus radial direction force curve and the radial force curve of vulcanization, obtaining total radial force curve；
105: judging whether the corresponding next sampled point of curing curve datum mark is to vulcanize the first of radial force curve to adopt
Sampling point；If it is not, then using the corresponding next sampled point of current curing curve datum mark as curing curve datum mark, and return to step
Rapid 103, if so, thening follow the steps 106；
It should be noted that judging whether the corresponding next sampled point of curing curve datum mark is to vulcanize radial force curve
The first sampled point, i.e., when the corresponding next sampled point of curing curve datum mark is the first sampled point for vulcanizing radial force curve
When, illustrate that fetus radial direction force curve has rotated a circle；
For example, " 1 " point alignment of fetus radial direction force curve to be vulcanized to " 1 " point of radial force curve, then other 128 points
Also corresponding corresponding, fetus radial direction force curve is added with radial 128 data of force curve are vulcanized, and it is bent to synthesize the i.e. total radial force of new curve
Line." 2 " point for vulcanizing radial force curve with " 1 " point alignment of fetus radial direction force curve, then corresponding fetus radial direction force curve
Corresponding " 3 " point for vulcanizing radial force curve of " 2 " point, and so on, the new curve of Article 2 can be obtained.Amount to meeting after circulation terminates
128 new curves are obtained, (it is motionless being equivalent to the radial force curve of vulcanization, fetus datum mark is in mold etc. point rotation 128 times).
106: the very poor value of more each total radial force curve, according to the minimum very poor sulphur for being worth corresponding total radial force curve
Change curve datum mark, is calculated by presetting angle conversion formula and enter and leave modular angle degree reference value.
Further, presetting angle conversion formula are as follows:
∠ α=360/n* (X-1)；
Wherein, ∠ α is the angle value into mould point, and n is number of sampling points, and X is that curing curve datum mark corresponds to total radial force
X sampled point in curve；
Wherein, the first sampled point is corresponding marked as 1, next sampled point marked as 2, successively according to clock-wise order
Analogize.
Further, the first sampled point of fetus radial direction force curve corresponds to 0 ° of datum mark of fetus radial direction force curve, vulcanization
The corresponding 0 ° of datum mark for vulcanizing radial force curve of first sampled point of radial force curve.
It should be noted that in actual production, usually using the position of liner connector as 0 ° of fetus radial direction force curve
Datum mark, and direction of rotation is clockwise；
Using mold face user a little as 0 ° of datum mark of mold, and vulcanize the 0 ° of datum mark and mould of radial force curve
0 ° of datum mark of tool is corresponding, and direction of rotation is clockwise.
The fetus radial direction force curve and the radial force curve of vulcanization that the embodiment of the present invention is obtained based on tire split plot design, pass through base
The mode of the alignment of phase shift on schedule is to fetus radial direction force curve and vulcanizes radial force curve progress analog synthesis, and by comparing every time
It is fitted the very poor value of the total radial force curve of obtained each item, determines modular angle degree reference value.Improve tire radial force and radial direction
The accuracy of power first harmonic data search, solve it is existing enter modular angle degree choosing method only by comparing tire it is each enter mould
The radial force value of test point determines that mould point, the modular angle degree that enters of the caused prior art choose the low technical problem of accuracy.
The above are the detailed description that a kind of tire provided by the invention enters one embodiment of mould angle analysis method, below
Enter the detailed description of modular angle degree analytical equipment for a kind of tire provided in an embodiment of the present invention.
Referring to Fig. 2, the embodiment of the invention provides a kind of tires to enter modular angle degree analytical equipment, comprising:
Radial force curve acquisition unit 201 carries out sampling calculating to sample tire for dividing analytic approach by tire, obtains
To the fetus radial direction force curve of sample tire and the radial force curve of vulcanization；
Initial baseline point determination unit 202, for using the first sampled point of fetus radial direction force curve as fetus curve benchmark
Point, to vulcanize the first sampled point of radial force curve as curing curve datum mark；
Datum mark aligned units 203, for fetus curve datum mark is corresponding with curing curve datum mark, so that fetus diameter
To each sampled point of each sampled point of force curve and the radial force curve of vulcanization with fetus curve datum mark and curing curve base
It is successively corresponded on the basis of on schedule；
Total radial force curve acquisition unit 204, for obtaining according to the sum of fetus radial direction force curve and the radial force curve of vulcanization
To total radial force curve；
Datum mark translation unit 205, for judging whether the corresponding next sampled point of curing curve datum mark is vulcanization
First sampled point of radial force curve；If it is not, being then vulcanization with the current corresponding next sampled point of curing curve datum mark
Curve datum mark, and aligned units 203 on schedule are triggered, if so, triggering into mould angle determination unit 206；
Enter mould angle determination unit 206, for the very poor value of more each total radial force curve, according to minimum very poor value pair
The curing curve datum mark for the total radial force curve answered, is calculated by presetting angle conversion formula and enters and leaves modular angle degree reference value.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (4)
1. a kind of tire enters mould angle analysis method characterized by comprising
S1: analytic approach is divided by tire, sampling calculating is carried out to sample tire, obtain the fetus radial force of the sample tire
Curve and the radial force curve of vulcanization；
S2: using the first sampled point of the fetus radial direction force curve as fetus curve datum mark, with the radial force curve of the vulcanization
The first sampled point be curing curve datum mark；
S3: the fetus curve datum mark is corresponding with the curing curve datum mark, so that the fetus radial direction force curve
Each sampled point and each sampled point for vulcanizing radial force curve are with the fetus curve datum mark and the curing curve
It is successively corresponded on the basis of datum mark；
S4: according to the sum of the fetus radial direction force curve and the radial force curve of the vulcanization, total radial force curve is obtained；
S5: judge whether the corresponding next sampled point of the curing curve datum mark is the first of the radial force curve of the vulcanization
Sampled point；If it is not, then using the current corresponding next sampled point of the curing curve datum mark as curing curve datum mark, and
Return step S3, if so, thening follow the steps S6；
S6: the very poor value of more each total radial force curve, it is bent according to the minimum very poor vulcanization for being worth corresponding total radial force curve
Line datum mark is calculated by presetting angle conversion formula and enters and leaves modular angle degree reference value.
2. a kind of tire according to claim 1 enters mould angle analysis method, which is characterized in that the presetting angle conversion
Formula are as follows:
∠ α=360/n* (X-1)；
Wherein, ∠ α is the angle value into mould point, and n is number of sampling points, and X is the corresponding total radial force curve of curing curve datum mark
In X sampled point.
3. a kind of tire according to claim 2 enters mould angle analysis method, which is characterized in that the fetus radial force is bent
First sampled point of line corresponds to 0 ° of datum mark of the fetus radial direction force curve, first sampled point for vulcanizing radial force curve
Corresponding 0 ° of datum mark for vulcanizing radial force curve.
4. a kind of tire enters modular angle degree analytical equipment characterized by comprising
Radial force curve acquisition unit carries out sampling calculating to sample tire for dividing analytic approach by tire, obtains described
The fetus radial direction force curve of sample tire and the radial force curve of vulcanization；
Initial baseline point determination unit, for using the first sampled point of the fetus radial direction force curve as fetus curve datum mark,
Using first sampled point for vulcanizing radial force curve as curing curve datum mark；
Datum mark aligned units, for the fetus curve datum mark is corresponding with the curing curve datum mark, so that described
Each sampled point of fetus radial direction force curve and each sampled point for vulcanizing radial force curve are with the fetus curve benchmark
It is successively corresponded on the basis of point and the curing curve datum mark；
Total radial force curve acquisition unit is used for according to the sum of the fetus radial direction force curve and the radial force curve of the vulcanization,
Obtain total radial force curve；
Datum mark translation unit, for judging whether the corresponding next sampled point of the curing curve datum mark is the vulcanization
First sampled point of radial force curve；If it is not, being then with the current corresponding next sampled point of the curing curve datum mark
Curing curve datum mark, and datum mark aligned units are triggered, if so, triggering into mould angle determination unit；
Enter mould angle determination unit, it is corresponding total according to minimum very poor value for the very poor value of more each total radial force curve
The curing curve datum mark of radial force curve is calculated by presetting angle conversion formula and enters and leaves modular angle degree reference value.
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| CN201810582820.4A CN108984833B (en) | 2018-06-07 | 2018-06-07 | Tire mold-entering angle analysis method and device |
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| CN201810582820.4A CN108984833B (en) | 2018-06-07 | 2018-06-07 | Tire mold-entering angle analysis method and device |
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| CN113580627A (en) * | 2021-07-27 | 2021-11-02 | 三角轮胎股份有限公司 | Method for improving tire uniformity performance through tire vulcanization automatic fixed point |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109871632A (en) * | 2019-03-01 | 2019-06-11 | 万力轮胎股份有限公司 | A kind of method, apparatus that tread pattern pitch automatically generates, system and equipment |
| CN113580627A (en) * | 2021-07-27 | 2021-11-02 | 三角轮胎股份有限公司 | Method for improving tire uniformity performance through tire vulcanization automatic fixed point |
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