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Progressive modernization of 151 drives for up-to-date technology on the SSAB's galvanizing line

The ACS600 drives at SSAB were nearing the end of their life cycle. Spare parts and technical support was increasingly hard to obtain. Something needed to be done.

“Galvanizing line 3 makes products which can’t be made elsewhere at SSAB,” explains Tero Saarenmaa, Electrical Maintenance Section Manager, at the Hämeenlinna plant. "If a problem occurs anywhere in the production line, whether it be the motors or drives, the whole process is halted and products currently under production are destroyed. These products are made to order, so keeping the production running without downtime is absolutely essential.”

The retrofit of 151 drives is being carried out in a step-by-step manner during planned maintenance shutdowns, thus avoiding lengthy downtime and production disruption. Doing the work in phases means the cost of the investment is spread over several years.

"The ability to tailor the solution specifically to SSAB’s needs was important", says Matti Aaltonen, ABB Drives and Controls Service Sales Manager. "As a standard retrofit solution didn’t fully fit their requirements, the solution has been tailored to SSAB’s specific needs."

For more on the modernization project at SSAB Hämeenlinna, read the case below.


Tero Saarenmaa, Electrical Maintenance Section Manager, SSAB Hämeenlinna: "Since the processes on Galvanizing line 3 are significant, it is crucial that the drives involved are up-to-date and have full support. The overall cost-effectiveness and reduced shutdown time were the key elements we saw in choosing this retrofit service.”

Facts

Customer  SSAB, steel mill
Location  Hämeenlinna, Finland
Industry Metals
Project scope  Modernization of 151 ACS600 drives
Drives and controls deliveries  Retrofit service 
Keys to success  Up-to-date drive technology, no production losses, step-by-step installation

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