- Due to two process cotton cleaning and Vacuum cleaning
You already have in normal process ?
POSCO-Thainox sets manufacturing standard for each usage/customer in ERP. Once NHK finally confirms that the 2nd sample is accepted, our quality control team will set the standard for HDD usage of the customer NHK Spring in preparation to commercial supply.
- How much temperature in furnace after cotton clean
APF temperature is over 1000 degree. Each company has slightly different operation standard, it is not allowed to disclose the operation conditions.
- Why you install cotton cleaning before annealing ?
we want to know the reason
It aims to wipe strip surface to remove dust.
- Dose you install vacuum cleaning B/F or A/F SKP ?
In you report is show A/F SKP
It has been installed in SKP Work Roll box. In POSCO-Thainox SKP is a continuous line to APF.
- Can you share vacuum pipe picture
We need to see during material pass vacuum pipe
During the process, our company doesn't allow to take a photo. We hope NHK understands it.