FAW VW
GM
MAZDA Hyundai /KIA
PSA
FAURECIA
excessive
convexity 焊缝超高
No Data No Data No Data No Data No Data h<0.2mm
insufficint concave 焊缝凹陷
meet throat requiement
h<40%t meet throat requiement No Data No Data No Data
unequal legs 焊脚尺寸不等
No Data z2>z1>90% t
D<0.5mm;width<1.0mm
No Data No Data Z2>Z1
undercut /咬边No Data
<20% t, or <10%t within 13mm length
No Data shall not be formed h< 10%
Smooth undercuts acceptable if:
? h < 0,1t
Insufficint Toe
angle 倾角过小
No Data No Data a ≥ 120° a ≥ 100°No Data a ≥ 90°
Big Gap 间隙过大
No Data <1.5mm No Data No Data No Data
? h <1.0mm
Mini thickness t≥1.5 ,Max gap (mm) 1
t≥ 1.2 0.7t<1.0 0.5
熔透内凹
Excess of penetration 熔透过高
<0.2mm <0mm <1,5mm No Data <1mm
? Short imperfection1:
h < 1,0mm
Exception: For muffler weld seams excess penetration is acceptable for the
hole weld seam length.
Burn through
焊穿
unacceptance unacceptance
no rework shall be permissible,unacceptan
ce;
unacceptance unacceptance unacceptance
porosity 气孔
No Data
D<1.6mm or 0.5t;<6.4mm within 25mm length
D<0.5mm
each size shall not excess 20% of the thickness of a thinner sheet or plate and 1.0mm max in the seam length of 25mm. Their number<4 in seam length
of 25mm
D<1mm
Surface imperfections:? Visible porosity,clustered porosity and worm-holes are
unacceptable
Inner imperfections:? 2% cross section.
? max size: d < 0,3 tmin
Cold / lack of penetraaiton 假焊/未熔合
unacceptance unacceptance unacceptance unacceptance unacceptance
Lack of fusion in supporting area is
unacceptable
crack 裂
纹
unacceptance unacceptance unacceptance unacceptance unacceptance unacceptance
Deviation of trajectory 偏焊
outside the weld seam No Data No Data No Data No Data ±10% or ±3mm unacceptance
Crater
弧坑
No Data
no consider effective
length
No Data unacceptance No Data
? Depth < 0,1 tmin ? Length < 15mm ? width < weld seam width Spatters 飞溅unacceptacne on function zone unacceptacne on function zone unacceptacne on function zone
no
unacceptacne on free zone and others<2.5mm
attached spatters are unacceptable:
? on sealing surface
? field of vision (e.g. tail pipes)? area of screw surface and threads Areas are specified in drawing
overlap 焊瘤
No Data No Data <0.3mm
overlap< 5% seam width
and its total
length<10%weld length
No Data No Data
missing weld 漏
焊
No Data No Data No Data No Data No Data No Data
焊缝过烧
Production System/产品
Defect type/缺陷类型
Geometric requirements/几何尺寸要求Please check that you have the latest version of this document.Internal. Property of Faurecia
Page 1 de 3
Issue 01 - July / 2009
焊丝残留
焊缝不均匀
接头不良No Data No Data No Data No Data No Data No Data
Issue 01 - July / 2009 Please check that you have the latest version of this document.
Internal. Property of Faurecia Page 2 de 3
Issue 01 - July / 2009 Please check that you have the latest version of this document.
Internal. Property of Faurecia Page 3 de 3