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"Yellow mark during Line stop in Pickle Process"



2005

I'm working at Steel Sheet Pickle Process which have 156 m/Min maximum line speed. Our Line can run in both mode Push Pull Pickle and Tension leveler, in both mode if we need to stop line operation longer than 6 Min approx. , Our strip will have yellow mark between acid tank and rinse tank. How we can solve this problems.

Tanai Phanpat
Hot strip mill - Thailand
^


2005

Don't stop the line for more than 6 minutes :-)

Attempting to rinse and dry the stopped strip in this area will add complication without solving the other as-yet-undiscovered problems that stopping the strip causes. In some shops all of the product from the payout reel to the takeup reel is marked and discarded whenever there is a stoppage. As the world moves to tighter quality control you will be moving closer to that procedure yourself.

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
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Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

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