焊锡涂层尺寸和公差

表 1 金属基材的厚度公差

标准 下限
基材厚度的± 4.0% 额外收费可做基材厚度的± 2.0%


表 2 基材金属的宽度公差

指定总厚度 标准公差 下限
小于 .020" (0.508mm)
.020" (0.508mm) - .062"(1.5748mm)
± .003" (0.0762mm)
± .005" (0.127mm)
± .002" (0.0508mm)
± .003" (0.0762mm)


表 3 焊料厚度限制和公差

金属基材厚度 限制 公差
.062" - 2.000" 宽度 2.000" - 4.000" 宽度 标准公差 下限

.005 - .009"
(0.127mm - 0.2286mm)

.0005 - .012"
(0.0127mm-0.3048mm)
± .0004"
(0.01016mm)
± .0003"
(0.00762mm)
.009 - .013"
(0.2286mm - 0.3302mm)
.0006 - .018"
(0.01524mm-0.4572mm)
.001 - .020" (0.0254mm-0.508mm) ± .0006"
(0.01524mm)
± .0004"
(0.01016mm)
.013" - .017"
(0.3302mm - 0.4318mm)
.0008 - .022"
(0.02032mm- 0.5588mm)
.0012 - .022"
(0.03048mm-0.5588mm)
± .0008"
(0.02032mm)
± .0006"
(0.01524mm)
.017" - .021"
(0.4318mm - 0.5334mm)
.0012 - .024"
(0.03048mm-0.6096mm)
.0015 - .025"
(0.0381mm-0.635mm)
± .001"
(0.0254mm)
± .0008"
(0.02032mm)
.021" - .026"
(0.5334mm - 0.6604mm)
.0016 - .026"
(0.04064mm-0.6604mm)
.0020 - .025"
(0.0508mm-0.635mm)
± .0012"
(0.03048mm)
± .0001"
(0.00254mm)
.026" - .037"
(0.6604mm - 0.9398mm)
.0020 - .028"
(0.0508mm-0.7112mm)
.0025 - .030"
(0.0635mm-0.762mm)
± .0014"
(0.03556mm)
± .0012"
(0.03048mm)
.037" - .062"
(0.9398mm - 1.5748mm)
.0028 - .032"
(0.07112mm-0.8128mm)
.0030 - .032"
(0.0762mm-0.8128mm)
± .0016"
(0.04064mm)
± .0014"
(0.03556mm)