WO2005051638A1 - Procede de fabrication de pneumatiques permettant d'ameliorer l'uniformite d'un pneumatique - Google Patents

Procede de fabrication de pneumatiques permettant d'ameliorer l'uniformite d'un pneumatique Download PDF

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Publication number
WO2005051638A1
WO2005051638A1 PCT/IB2003/006462 IB0306462W WO2005051638A1 WO 2005051638 A1 WO2005051638 A1 WO 2005051638A1 IB 0306462 W IB0306462 W IB 0306462W WO 2005051638 A1 WO2005051638 A1 WO 2005051638A1
Authority
WO
WIPO (PCT)
Prior art keywords
tire
vector
uniformity
cure
improving
Prior art date
Application number
PCT/IB2003/006462
Other languages
English (en)
Inventor
William David Mawby
George P. O'brien
Eugene Marshall Persyn
James Michael Traylor
Original Assignee
Societe De Technologie Michelin
Michelin Recherche Et Technique S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe De Technologie Michelin, Michelin Recherche Et Technique S.A. filed Critical Societe De Technologie Michelin
Priority to PCT/IB2003/006462 priority Critical patent/WO2005051638A1/fr
Priority to AU2003304562A priority patent/AU2003304562A1/en
Priority to EP04811699A priority patent/EP1697115B1/fr
Priority to PCT/US2004/039021 priority patent/WO2005051640A1/fr
Priority to DE602004011396T priority patent/DE602004011396T2/de
Priority to CA2545217A priority patent/CA2545217C/fr
Priority to KR1020067009695A priority patent/KR101229247B1/ko
Priority to JP2006541566A priority patent/JP4714154B2/ja
Priority to MXPA06005641A priority patent/MXPA06005641A/es
Priority to AT04811699T priority patent/ATE383940T1/de
Priority to CNB2004800341176A priority patent/CN100445083C/zh
Publication of WO2005051638A1 publication Critical patent/WO2005051638A1/fr
Priority to JP2007543202A priority patent/JP4979588B2/ja
Priority to US11/437,306 priority patent/US20060231191A1/en
Priority to US12/482,787 priority patent/US20090260743A1/en
Priority to US13/014,493 priority patent/US8287675B2/en
Priority to US13/527,275 priority patent/US20120267031A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/30—Compensating imbalance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0662—Accessories, details or auxiliary operations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0662—Accessories, details or auxiliary operations
    • B29D2030/0665—Measuring, calculating and correcting tyre uniformity before vulcanization

Definitions

  • the present invention relates to a manufacturing method for tires, more specifically a method for improving the uniformity of a tire by reducing the after cure radial force variation.
  • the after cure radial force variation RSV
  • the radial force variation in a cured tire exceeds acceptable limits, the result may be unwanted vibrations affecting the ride and handling of the vehicle. For these reasons, tire manufacturers strive to minimize the level of radial force variation in the tires delivered to their customers.
  • Still another approach to a manufacturing method for improved uniformity involves a method where the factors relating to tire building and tire curing that contribute to after cure RRO or RFV are offset relative to a measured before cure RRO.
  • An example of a typical method is given in Japanese
  • Patent Application JP-1-145135 In these methods a sample group of tires, usually four, are placed in a given curing mold with each tire rotated an equal angular increment. The angular increment is measured between a reference location on the tire, such as a product joint, relative to a fixed location on the curing mold. Next, the tires are vulcanized and their composite RFV waveforms recorded.
  • composite waveform means the raw waveform as recorded from the measuring device. The waveforms are then averaged by superposition of each of the recorded waveforms upon the others. Superposition is a point by point averaging of the recorded waveforms accomplished by overlaying the measured composite waveform from each tire.
  • the method obtains such measurements as the before cure radial runout (RRO) at one or more stages of the building sequence, measurements of loading angles on the tire building equipment, and measurements made during vulcanization process.
  • RRO radial runout
  • the tires are mounted on a uniformity measurement machine and the measured after cure RFV harmonic components are obtained.
  • none of the coefficients for the magnitude and azimuth of the sub-vector components is known.
  • Fig. 2A - Fig 2C depicts schematic representations of a uniformity measurement of the radial force variation of tire showing the original composite waveform as well as several harmonic components.
  • Fig. 3 is a vector polar plot of the method of the invention showing the contributions of the tire room and curing room vectors to the after cure radial force variation of a tire.
  • Fig. 4 is a vector polar plot of the method of the invention demonstrating the optimization of cured tire uniformity.
  • Fig. 5 is a vector polar plot of the method of the invention showing the contribution of green tire radial runout to the tire room effect vector.
  • Fig. 7 is a vector polar plot of the method of the invention adding the effect of the after cure uniformity measurement machine.
  • FIG. 1 depicts is a simplified depiction of the tire manufacturing process.
  • a tire carcass 10 is formed on a building drum 15. In a unistage manufacturing process, the carcass 10 remains on the drum 15. In a two-stage process, the carcass 10 would be removed from the drum 15 and moved to a second stage finishing drum. In either case, the carcass 10 is inflated to receive a finished tread band 20 to produce the finished green tire 30.
  • the RRO of the green tire 30 is measured by a measurement system 70 using a barcode 35 as a reference point.
  • the RRO waveform is stored, here in a computer 80.
  • the green tire 30 is moved to the curing room where the orientation angle of the tire CAV_REF is recorded.
  • the tire is then loaded into a curing cavity 40 and cured.
  • the cured tire 30' is moved to a uniformity measurement machine 50 for measurement and recording of the tire RFV.
  • Both the tire room and curing room component vectors are the result of many individual factors, or sub-vectors. Each sub-vector is a contribution to the cured tire RFV and these vectors have units that correspond to radial force variation, i.e. kilograms.
  • Figure 5 demonstrates one such sub-vector, the effect of green tire radial runout indicated as Green RRO*gain. This sub-vector represents the vector product of the Green RRO (mm) and a gain vector that models the localized radial stiffness (Kg/mm).
  • the first step in implementation of the method is to gather data to build the modeling equation.
  • the Green RRO and VRHl vectors are measured quantities.
  • the challenge is to estimate the gain vector gn, the building drum vector TI, the intercept vector II, and the curing room effect vector CRl. This is accomplished by vector rotation and regression analysis.
  • the RRO of the finished, green tire 30 is measured by a measurement device 70 while the tire is mounted on the finishing stage building drum 15.
  • the finished, green tire may be moved to separate measurement apparatus and the RRO measurement made there.
  • This RRO measurement is repeated for multiple tires to randomize the effects that are not modeled.
  • devices 70 to obtain the RRO measurement such as a non-contact system using a vision system or a laser. It has been found that systems for measurement of radial runout that are based on tangential imaging are preferred to those using radial imaging.
  • the RRO data thus acquired are recorded in a computer 80.
  • TRlx a • GRl ⁇ - b • GR1 Y + e ⁇ BD REFx - f • BD_REF Y + (19) I ⁇

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computing Systems (AREA)
  • Testing Of Balance (AREA)
  • Tyre Moulding (AREA)
  • Tires In General (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

L'invention concerne un procédé de fabrication de pneumatiques permettant d'optimiser l'uniformité d'un pneumatique en réduisant la variation de force radiale après vulcanisation. Le vecteur de variation de force radiale après vulcanisation est modélisé sous forme d'une somme vectorielle de chacun des vecteurs représentant des contributions provenant des étapes de confection du pneumatique - le 'vecteur d'effets salle de confection' et d'un vecteur représentant des contributions provenant des étapes de vulcanisation et de mesurage d'uniformité - le 'vecteur d'effets salle de vulcanisation'. De manière plus détaillée, le vecteur d'effets salle de confection et le vecteur d'effets salle de vulcanisation peuvent être encore décomposés en sous-vecteurs représentant chaque contribution à la variation de force radiale, pour laquelle un indicateur mesurable existe. Pour une série de pneumatiques, ce procédé permet d'obtenir des mesures telles que le faux-rond avant vulcanisation (RRO) à un ou plusieurs stades de la séquence de confection, des mesures des angles de charge sur l'équipement de confection du pneumatique, et des mesures réalisées pendant le processus de vulcanisation.
PCT/IB2003/006462 2003-11-21 2003-11-21 Procede de fabrication de pneumatiques permettant d'ameliorer l'uniformite d'un pneumatique WO2005051638A1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
PCT/IB2003/006462 WO2005051638A1 (fr) 2003-11-21 2003-11-21 Procede de fabrication de pneumatiques permettant d'ameliorer l'uniformite d'un pneumatique
AU2003304562A AU2003304562A1 (en) 2003-11-21 2003-11-21 Tire manufacturing method for improving the uniformity of a tire
JP2006541566A JP4714154B2 (ja) 2003-11-21 2004-11-19 タイヤ均一性が改良されたタイヤの製造方法
AT04811699T ATE383940T1 (de) 2003-11-21 2004-11-19 Reifenherstellungsverfahren zur verbesserung der gleichförmigkeit eines reifens
DE602004011396T DE602004011396T2 (de) 2003-11-21 2004-11-19 Reifenherstellungsverfahren zur verbesserung der gleichförmigkeit eines reifens
CA2545217A CA2545217C (fr) 2003-11-21 2004-11-19 Procede de fabrication de pneus permettant d'ameliorer l'uniformite d'un pneu
KR1020067009695A KR101229247B1 (ko) 2003-11-21 2004-11-19 타이어의 경화 후 균일성을 개선하기 위한 방법
EP04811699A EP1697115B1 (fr) 2003-11-21 2004-11-19 Procede de fabrication de pneus permettant d'ameliorer l'uniformite d'un pneu
MXPA06005641A MXPA06005641A (es) 2003-11-21 2004-11-19 Metodo de manufactura de neumatico para mejorar la uniformidad de un neumatico.
PCT/US2004/039021 WO2005051640A1 (fr) 2003-11-21 2004-11-19 Procede de fabrication de pneus permettant d'ameliorer l'uniformite d'un pneu
CNB2004800341176A CN100445083C (zh) 2003-11-21 2004-11-19 用于提高轮胎的一致性的轮胎制造方法
JP2007543202A JP4979588B2 (ja) 2003-11-21 2005-11-16 タイヤのユニホーミティを改善するためのタイヤ製造法
US11/437,306 US20060231191A1 (en) 2003-11-21 2006-05-19 Tire manufacturing method for improving the uniformity of a tire
US12/482,787 US20090260743A1 (en) 2003-11-21 2009-06-11 Tire manufacturing method for improving the uniformity of a tire
US13/014,493 US8287675B2 (en) 2003-11-21 2011-01-26 Tire manufacturing method for improving the uniformity of a tire
US13/527,275 US20120267031A1 (en) 2003-11-21 2012-06-19 Tire manufacturing method for improving the uniformity of a tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2003/006462 WO2005051638A1 (fr) 2003-11-21 2003-11-21 Procede de fabrication de pneumatiques permettant d'ameliorer l'uniformite d'un pneumatique

Related Child Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/039021 Continuation-In-Part WO2005051640A1 (fr) 2003-11-21 2004-11-19 Procede de fabrication de pneus permettant d'ameliorer l'uniformite d'un pneu

Publications (1)

Publication Number Publication Date
WO2005051638A1 true WO2005051638A1 (fr) 2005-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2003/006462 WO2005051638A1 (fr) 2003-11-21 2003-11-21 Procede de fabrication de pneumatiques permettant d'ameliorer l'uniformite d'un pneumatique

Country Status (11)

Country Link
US (2) US20060231191A1 (fr)
EP (1) EP1697115B1 (fr)
JP (1) JP4979588B2 (fr)
KR (1) KR101229247B1 (fr)
CN (1) CN100445083C (fr)
AT (1) ATE383940T1 (fr)
AU (1) AU2003304562A1 (fr)
CA (1) CA2545217C (fr)
DE (1) DE602004011396T2 (fr)
MX (1) MXPA06005641A (fr)
WO (1) WO2005051638A1 (fr)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
WO2006055649A1 (fr) * 2004-11-19 2006-05-26 Societe De Technologie Michelin Procede de fabrication de pneu permettant d'ameliorer l'uniformite d'un pneu
US8287675B2 (en) 2003-11-21 2012-10-16 Michelin Recherche Et Technique S.A. Tire manufacturing method for improving the uniformity of a tire
CN105190278A (zh) * 2013-03-29 2015-12-23 米其林集团总公司 使用基于卷积/反卷积的评估以及所测量的横向力变化的轮胎均匀性改良
CN107076634A (zh) * 2014-10-09 2017-08-18 株式会社神户制钢所 轮胎均匀性试验机中的负载推断模型的制作方法

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US20120267031A1 (en) * 2003-11-21 2012-10-25 William David Mawby Tire manufacturing method for improving the uniformity of a tire
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WO2010071657A1 (fr) * 2008-12-19 2010-06-24 Michelin Recherche Et Technique, S.A. Procédé de filtrage pour éliminer les caractéristiques d'une bande de roulement dans des mesures géométriques de pneumatique
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JP5474383B2 (ja) * 2009-03-13 2014-04-16 株式会社ブリヂストン タイヤ成型装置及びタイヤ成型方法
WO2010126498A1 (fr) * 2009-04-29 2010-11-04 Michelin Recherche Et Technique, S.A. Amélioration de l'uniformité d'un pneu par l'optimisation de la dispersion
US9120280B2 (en) 2009-04-30 2015-09-01 Michelin Recherche Et Technique S.A. Tire uniformity through identification of process signatures
WO2010126516A1 (fr) * 2009-04-30 2010-11-04 Michelin Recherche Et Technique, S.A. Amélioration de l'uniformité d'un pneu grâce à l'identification de signatures de processus
EP2580567B1 (fr) 2010-06-14 2019-05-29 Compagnie Générale des Etablissements Michelin Procédé de prédiction et de contrôle de composantes harmoniques de paramètres d'uniformité de pneus
US9778032B2 (en) * 2010-12-02 2017-10-03 Compagnie Generale Des Etablissements Michelin Method for prediction and control of tire uniformity parameters from crown thickness variation
EP2745224B1 (fr) 2011-09-16 2016-11-30 MICHELIN Recherche et Technique S.A. Procédé et système d'amélioration d'uniformité de pneu par identification d'harmoniques de traitement au moyen de formes d'onde d'uniformité partielles réindexées
US20140069573A1 (en) * 2012-09-13 2014-03-13 The Goodyear Tire & Rubber Company Method for preforming a green tire
ITMI20121613A1 (it) * 2012-09-27 2014-03-28 Pirelli Metodo per il controllo della produzione di pneumatici per ruote di veicoli
CA2912607C (fr) * 2013-06-18 2018-03-27 Compagnie Generale Des Etablissements Michelin Amelioration d'uniformite de pneumatique par resolution harmonique de traitement amelioree
WO2015047734A1 (fr) * 2013-09-26 2015-04-02 Compagnie Generale Des Etablissements Michelin Correction d'anomalies localisées de la surface d'un pneu
EP3065941B1 (fr) * 2013-11-08 2019-04-24 Compagnie Générale des Etablissements Michelin Amélioration de l'uniformité de pneus par l'échantillonnage modifié de paramètres d'uniformité
CN105682910B (zh) * 2013-11-08 2018-11-13 米其林集团总公司 使用瞬态效应的估计改进轮胎的均匀性
WO2019211955A1 (fr) * 2018-05-01 2019-11-07 横浜ゴム株式会社 Procédé et dispositif de production de pneu
CN108984833B (zh) * 2018-06-07 2023-04-07 万力轮胎股份有限公司 一种轮胎入模角度分析方法及装置
CN112606281B (zh) * 2020-11-30 2022-07-29 青岛森麒麟轮胎股份有限公司 用于改善轮胎均匀性的生产控制系统及方法
CN115271167B (zh) * 2022-06-23 2023-04-07 合肥工业大学 基于bp神经网络的轮胎硫化质量rfv指标预测方法和系统
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US8287675B2 (en) 2003-11-21 2012-10-16 Michelin Recherche Et Technique S.A. Tire manufacturing method for improving the uniformity of a tire
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US20060231191A1 (en) 2006-10-19
KR20060128874A (ko) 2006-12-14
CN100445083C (zh) 2008-12-24
CA2545217A1 (fr) 2005-06-09
US20110114251A1 (en) 2011-05-19
ATE383940T1 (de) 2008-02-15
DE602004011396T2 (de) 2009-01-15
US8287675B2 (en) 2012-10-16
KR101229247B1 (ko) 2013-02-04
EP1697115B1 (fr) 2008-01-16
JP4979588B2 (ja) 2012-07-18
JP2008520475A (ja) 2008-06-19
EP1697115A1 (fr) 2006-09-06
CN1882433A (zh) 2006-12-20

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