行业分类
smt焊接允收标准16
日期:2009-12-10 10:17  点击:459
理想状况Target Condition
1.插件之零件若於焊a後有浮高或A斜,符合零件_L度省
2.零件_L度以 L 算方式 :
  需PCB沾a面楹饬炕剩可目零件_出a面榛省
1.The protrusion length of component meet the spec even this parts tilted or floating
2.The protrusion length(L)be measured from land to tip of lead
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允收状况16 Accept Condition
1.不剪_之零件_L度,目零件_露出a面。
2.剪_之零件_L度下限(Lmin),榭赡恳零件_出a面榛省
3.一般零件_最LL度(Lmax)低於2.5mm。(LQ2.5mm)
4.特殊零件__L定:
 4.1 Coil零件_最LL度(Lmax)低於3mm(LQ3mm)
 4.2 X’TAL/容_距2.5mm(含)以下之零件,_最LL度(Lmax)低於2mm(LQ2mm)
1.Non-trimed lead protrusion lead be identified on solder side
2.Lmin of trimed protrusion lead Minimum length is the protrusion lead profile be identified
3.LmaxQ2.5mm(for general components)
4.Special spwc of components:
Coil LmaxQ3mm
X’tal LmaxQ2mm(the clearance between two lead is less 2.5mm width)
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拒收状况16 Reject Condition
1.o法目零件_露出a面(MI)。
2.LminL度下限剩榭赡恳零件_未出a面,Lmax零件_最L之L度>2.5mm(MI)(L>2.5mm)
3.零件_折_、未入孔、缺件等缺c影功能(MA)。
4.特殊零件__L>Lmax判定拒收(MI) 。
5.Whichever is rejected .
1.Protrusion lead can not be visible
2.Protrusion lead out of spec (include Lmin or Lmax)
3.Lead bend / missing / no-through
4.Special spec of protrusion lead out of spec (Lmax)
5.Whichever is rejected
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