bldc耐冷热干涉issue对策

检讨结果5WhyDRBFM散布验证反向功能验证防止再发Global水平展开OONANANANANABLDC耐冷热NG

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Interference

issue耐冷热实验后干涉实验前干涉Lid

Asm.~Rear

panelLid

Asm.~Top

Cover实验后变形重要度:×○△低中

高△△△Rear

panel~Top

Cover部品间隙△对比量产，配合位置尺寸一致Top

CoverLid

Asm.RearpanelLid

innerGlass△尺寸一致半径与量产有差异，且小于spec量产共用品○Lid

Asm.~Rear

PanelLid

Asm.~Top

Cover对比量产，一致对比量产，一致△△配合尺寸与实验前一致，配合OK，无负端差配合实验后翻转最小间隙变小实验后端差恶化,中部突起严重仅Glass单品变形整体变形LidAsm.变形实验前后与Lid

inner端差一致△弧面半径变小,中部凸起Remark实验前尺寸、间隙、端差确认-.Lid

Inner尺寸较一致，Glass弧面半径小于specmodelLid

inner尺寸Glass弧面半径上部下部Spec525.2(-0.5,+0.2)4996.5±5BLDC（Test

lot）1#525.80524.8842202#525.52524.8643853#526.41525.674470Ave.525.91525.144358.330.77(Eccentricity)HD

MP1#524.87525.054714.002#526.37526.254672.003#524.66524.544616.00Ave.525.30525.284667.330.02(Eccentricity)BLDC(Lot_Before)1#525.49525.464323.002#525.57525.484471.003#524.88524.454413.00Ave.525.31525.134402.330.18(Eccentricity)-.实验前Lid

Asm.~

Rear

Panel/Top

Cover间隙对比量产一致（B’~翻转最小间隙）GapmodelLid~Rear

panelLid~Top

CoverABCB’DEFGHJSpec8↓-2.2↓BLDC（Test

lot）1#6.795.856.770.550.000.650.651.500.250.852#6.765.826.770.450.051.200.601.400.100.553#6.945.606.280.750.300.751.151.700.250.70Ave.6.835.766.610.580.120.870.801.530.200.700.491.170.45BLDC（Lot_Before）1#6.255.836.240.601.101.450.551.750.251.252#6.356.066.450.951.251.301.001.900.551.453#6.825.585.680.951.001.400.951.500.250.55Ave.6.475.826.120.831.121.380.831.720.351.081.251.280.72HD

MP1#6.775.786.740.600.251.050.451.350.400.402#5.884.636.270.500.550.550.601.750.301.303#6.745.506.120.601.251.350.751.350.150.15Ave.6.465.306.380.570.680.980.601.480.280.620.831.040.45ABCDFHEGJNMN'M'PGapStepmodelMNPLeftRightLeftRightSpec0.5±0.22.8±0.215±0.3BLDC1#0.680.642.872.8714.502#0.690.653.022.9514.573#0.710.692.902.8814.62Ave.0.690.662.932.9014.56HD

MP1#0.760.702.902.9014.602#0.750.693.012.9614.563#0.690.662.932.9314.65Ave.0.730.682.952.9314.60-.Top

Cover配合位置尺寸对比量产一致实验后尺寸、间隙、端差确认翻转间隙(顶盖~折盖)Lid（Before

test）Ave.Remark①②③TopCover（未实验）1#0.50.50.60.53无干涉2#0.450.450.60.503#0.650.60.80.68翻转间隙(顶盖~折盖)Lid（After

test）Ave.Remark④⑤⑥TopCover（未实验）1#0.250.10.050.13无干涉2#0.250.150.10.173#0.450.40.30.38ModelTop

Cover~Rear

panel配合尺寸ABCSpec97.3±0.6113.2±0.697.3±0.6BLDC（Test

lot）1#97.53112.6197.702#97.60112.6897.693#97.54112.7297.62Ave.97.56112.6797.67BLDC（After

test）1#97.21112.6497.432#97.32112.3197.503#97.18112.7297.25Ave.97.24112.5697.39HD

MP1#97.72112.8597.402#97.33112.5297.203#97.78112.6797.36Ave.97.61112.6897.32-.Lid

Asm.~

Top

Cover

翻转间隙对比实验前变小modelLid

Asm.~Rear

panel端差ABCB-AB-C(B-A+B-C)/2Spec-BLDC（Test

lot）1#-0.681.78-0.542.462.322.392#0.041.840.001.801.841.823#-0.621.56-0.432.181.992.09Ave.-0.421.73-0.322.152.052.10BLDC（After

test）1#-1.022.82-0.813.843.633.742#-0.932.34-1.173.273.513.393#-0.622.43-0.713.053.143.10Ave.-0.862.53-0.903.393.433.41HD

MP1#0.811.98-0.131.172.111.642#0.152.080.091.931.991.963#0.452.36-0.061.912.422.17Ave.0.472.14-0.031.672.171.92Lid

inner高于Rear

panel为+Lid

inner低于Rear

panel为--.Lid

Asm.~

Rear

Panel端差实验后变大-.Top

Cover

~

Rear

Panel配合尺寸实验前后一致ABCmodelGlass~Lid

inner端差ABCSpec2.0↓BLDC（Test

lot）1#1.701.601.442#1.771.781.443#1.511.471.45Ave.1.661.621.44BLDC（After

test）1#1.631.581.362#1.561.551.363#1.691.641.47Ave.1.631.591.40HD

MP1#1.661.511.702#1.411.201.413#1.751.541.65Ave.1.611.421.59-.Glass

~

Lid

Inner端差对比量产一致，实验前后一致LidAsm.整体变形,中部突出,端差,间隙恶化排除仅Glass单品变形可能性modelLid

inner尺寸Glass弧面半径上部下部Spec525.2(-0.5,+0.2)4996.5±5BLDC（Test

lot）1#525.80524.8842202#525.52524.8643853#526.41525.674470Ave.525.91525.144358.330.77(Eccentricity)BLDC（After

test）1#525.61524.834045.002#525.84524.814032.003#525.59524.644081.00Ave.525.68524.764052.670.92(Eccentricity)-.实验后Glass弧面半径变小,中部凸出实验后Lid

Asm.整体变形，中部凸出ScheduleItem3/133/143/153/163/173/183/193/203/21实验前状态Top