Dear K.Thaksin
Cc all concerns,
After I reviewed Lower shroud tool after gliding and re graining on 19 Feb with Sankei, Kyowa and PJW team.
We found tool still have line on surface and more than last review on 17 Feb as the picture below,
Kyowa have action as below;
1. Verify line defect with other steel material P20 (gliding and grain) >> 23 Feb
2. Verify line defect at back side of Lower shroud tool >> 23 Feb
3. Set schedule plan to make new tool >> 23 Feb
4. Analysis root cause of steel material NOK >> 23 Feb
5. Send P20 China steel sample (same as Lower shroud) to Thai-German institute to confirm result (parallel with new tool making