Dear Mr. Surachai and YAHAGI QA team,
This is Tuan from Parts Inspection Section- DMVN.
I would like to deploy to you the quality probblem information of Pedal S/A.
Problem: Magnet have scratch on surface and resin above was swollen.
Cause: The mold is core tough with magnet surface, after inject resin to cavity, mold core moved up and make scratch on magnet surface.
Furthermore, mold core is steel type can attract magnet. This attraction force moved up magnet and made resin above was swollen-->NG Pedal S/A product.
Plz see photo or attached file below for more detail.