米其林均动培训教材ppt课件.ppt
Oct.2005,QJF QGP SWT,Welcome to join uniformity training欢迎参加均衡培训,均 匀 性,Oct.2005,QJF QGP SWT,Definition of uniformity均匀性的定义：,The shape,mass and rigidity of the tires was abnormal changed when the tires turn of reel.当轮胎滚动一周时，由于其外形、质量、刚性发生了变化，而引起的异常波动。,Oct.2005,QJF QGP SWT,UNIFORMITY CRITERIA 均匀性基本概念图示,The three main causes of Uniformity CQs are:影响均匀性的三个因素：,-Imperfection of MASS 质量分布不均-Imperfection of SHAPE 形状异常-Imperfection of RIGIDITY 刚度不均,Oct.2005,QJF QGP SWT,UNIFORMITY CRITERIA 均匀性基本概念图示,MASS 质量,RIGIDITY 刚度,SHAPE 形状,Oct.2005,QJF QGP SWT,UNIFORMITY CRITERIA 均匀性质量指标,Oct.2005,QJF QGP SWT,RFV Variation Radius Crest to Crest 径向力动RFV1H Variation Radius Harmonic 1 径向一次谐波 LFV Variation Lateral Crest to Crest 横向力波动CON Derive Zero 锥度CRRO False Round 胎面的不圆度BLRO Deformation Flanc 胎侧的局部凹凸BS Static Balance 静态不平衡BD Dynamic Balance 动态不平衡,UNIFORMITY CRITERIA 均匀性质量指标,Oct.2005,QJF QGP SWT,VRCC,2,4,5,6,7,8,9,10,11,VR is the raw curve from control machine.VRCC is the sum of the 16TH first harmonics,It is the measure of the variation of the force F.,1,3,F,Oct.2005,QJF QGP SWT,VARIATION RADIUS CRETE TO CRETE:VRCC 径向力的变化,Constant radius 直径不变,1 turn of reel 轮辋转一圈,Variable radius 径向变化,0,9,6,3,0,VRCC,Oct.2005,QJF QGP SWT,Crush radius,Charge,RADIUS VARIATION VRCC 径向力的变化,1 turn of reel 轮胎转一圈,VRCC,Oct.2005,QJF QGP SWT,-1.50,-1.00,-0.50,0.00,0.50,1.00,1.50,VRH1,次谐波分量,Oct.2005,QJF QGP SWT,Harmonics,VRH1,Oct.2005,QJF QGP SWT,Michelin,G.Vidal ICC SMWT May 2004,VRH1,Oct.2005,QJF QGP SWT,Michelin,G.Vidal ICC SMWT May 2004,r,R,VRH1,VRH1,Oct.2005,QJF QGP SWT,VRCC VRH1,-1.50,-1.00,-0.50,0.00,0.50,1.00,1.50,2.00,0,1,2,3,4,5,6,7,8,9,10,11,Oct.2005,QJF QGP SWT,DERIVE ZERO(D0)零位偏移,Conicity is a tires tendency to drift to one side or the other.If the tire drifts to the reference side,conicity is defined as positive.If it drifts to the anti-reference side,conicity is negative.,锥度是用于描述轮胎在运行中是否会发生偏移的一种参数。如果轮胎在行驶中向参考面偏移，则称为正锥。若向参考面的反方向偏移，则称为负锥。,CON,Oct.2005,QJF QGP SWT,DERIVE ZERO(D0)零位偏移,CON,Oct.2005,QJF QGP SWT,Oct.2005,QJF QGP SWT,VLCC 侧向力的波动,LFV,VARIATION LATERALE CRETE TO CRETE VLCC 侧向力变化,LFV,Oct.2005,QJF QGP SWT,LFV侧向力的变化,NST2,LFV,Oct.2005,QJF QGP SWT,VARIATION LATERALE CRETE TO CRETE VLCC 侧向力变化,LFV,Oct.2005,QJF QGP SWT,False Round 胎冠不圆度,CRRO,Oct.2005,QJF QGP SWT,Deformation Flanc 胎侧的局部凹凸,BLRO,Oct.2005,QJF QGP SWT,BS STATIC BALANCE 静平衡,BS,Oct.2005,QJF QGP SWT,STATIC BALANCE 静平衡,BS,Oct.2005,QJF QGP SWT,STATIC BALANCE 静平衡,BS,Oct.2005,QJF QGP SWT,STATIC BALANCE 静平衡,BS,Oct.2005,QJF QGP SWT,Dynamic Balance DB,BD,Oct.2005,QJF QGP SWT,BD,Oct.2005,QJF QGP SWT,BD,Oct.2005,QJF QGP SWT,BD,Oct.2005,QJF QGP SWT,BD,Oct.2005,QJF QGP SWT,Oct.2005,QJF QGP SWT,QC 产生的原因和影响,RFV 原因：半制品接头过于集中；KM压辊压力太大；NC拉伸过长（稀开）等。影响：不正常的磨损、振动、噪音。,Oct.2005,QJF QGP SWT,VRCC径向力的变化,DEVELOPMENT BEFORE CURE WAS TOO BIG 硫化前NSP周长过大,Deformation of summit at sector joint inside the mould硫化后，胎冠处，模具扇形块接头处的变形,Oct.2005,QJF QGP SWT,VRCC径向力的变化,Heavy KM joint KM 接头过后,=,=,=,Curing 硫化,After Curing 硫化后,Oct.2005,QJF QGP SWT,RFV1H,原因：硫化机中心偏移；KM接头太大；钢圈位置不准确等。影响：不正常磨损、机械疲劳、跳动。,Oct.2005,QJF QGP SWT,RFV1H径向力变化的一次谐波,Oct.2005,QJF QGP SWT,LFV,原因：NST2摆放不正，呈S状；一段胎筒与KM组件错位；KM摆放不正，呈S状等。影响：行驶中呈S形偏离正常轨道。,Oct.2005,QJF QGP SWT,VLCC侧向力的变化,KM,NST2,Oct.2005,QJF QGP SWT,Effect,Oct.2005,QJF QGP SWT,CON,原因：KM截面呈锥体；NST与一段胎筒错位；KM组件与一段胎筒错位等。影响：行驶中轮胎向一边偏离正常轨道。,Oct.2005,QJF QGP SWT,DERIVE ZERO(CON)零位偏移,CENTRE 中心,CARCASSE 胎筒,NST2 OUT OF CENTRENST2 摆放位置偏心,Oct.2005,QJF QGP SWT,DERIVE ZERO(CON)零位偏移,CONICITY OF KMKM 挤出后厚度成锥形,Oct.2005,QJF QGP SWT,FR,原因：生胎周长太长；半制品厚薄不均；KM接头太大等。影响：非正常磨损和跳动。,Oct.2005,QJF QGP SWT,FR 突出状态,Oct.2005,QJF QGP SWT,FR 凹陷状态,Oct.2005,QJF QGP SWT,DF,原因：胎侧街头过大（DFB）；帘线稀开（DFB）;帘布接头过大（DFC）等。影响：外观异常，使用寿命短。,Oct.2005,QJF QGP SWT,DF 突起状态,FE 接头过大FE joint out,Oct.2005,QJF QGP SWT,DF 凹陷状态,NC 接头脱接NC joint out,Oct.2005,QJF QGP SWT,BS,原因：半制品接头太集中；半制品(KM GI NC等)厚薄不均匀。KM长短不一致等。影响：外观变形、跳动、不正常磨损。,Oct.2005,QJF QGP SWT,BS-Example 例如：BS,KM JOINT 接头,HEAVY JOINT BEFORE CURE硫化前KM 接头过厚,HEAVY PART AFTER CURE硫化后局部质量过厚,Oct.2005,QJF QGP SWT,TOO LONG,BS-Example例如：BS,Oct.2005,QJF QGP SWT,Effect,Oct.2005,QJF QGP SWT,BD,原因：GI接头不对称；KM两边厚薄不均；FE接头两边不一致等。影响：外观变形、跳动、机械疲劳。,Oct.2005,QJF QGP SWT,DYNAMIC BALANCE 动平衡,KM thickness variation 型胶部件厚度的变化,Oct.2005,QJF QGP SWT,DYNAMIC BALANCE 动平衡,GI joint problem GI接头不对称,FE joint problemFE接头两边不一致,Oct.2005,QJF QGP SWT,Oct.2005,QJF QGP SWT,Thank you 谢谢!,
