Smart Gui - Algorithm Training Material_rev1.pdf - 第230页
Copyright © ViT rox All Rights Reserved . U-type Algorithm - THT 230 Pin Tip Region (White) Pin Chamfer Region (Gray) T op View Size View 1. When lighting projected on the pin, ● Pin tip region will be bright. ● Pin cham…
Copyright © ViTrox All Rights Reserved.
229
THT (Through Hole Tech) Inspection
Copyright © ViTrox All Rights Reserved.
U-type Algorithm - THT
230
Pin Tip Region
(White)
Pin Chamfer Region
(Gray)
Top View Size View
1. When lighting projected on the pin,
● Pin tip region will be bright.
● Pin chamfer region will be dark.
● This is due to the reflection of ght.
2. Pin Tip region will be the region for the locator to locate the pin.
3. Pin Region = Pin Tip region + Pin Chamfer region
Pin Region
1. Locate the pin location
2. Detect the existing of pin.
Copyright © ViTrox All Rights Reserved.
U-type Algorithm - THT
231
1. Detecting insufficient solder fillet.
2. Detecting NO SOLDER which leave the HOLE exposed.
3. Hole Region = Region within Green box & Magenta box.
Hole Region
Solder Region
1. Detecting insufficient solder.
2. Detecting exposed pad
3. Solder Region = Region within yellow box and blue box.