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Ganglu Steel’s new PL-TCM exceeding expectations

Date:2019/11/21 Source: CISDI

Tangshan Ganglu Steel’s 1,450mm PL-TCM has been ramped up and is exceeding its designed capacity.

It has produced 66,000 tonnes of acceptable coils for consecutive 20 days.

Ramp-up was faster than that for similar production lines.

CISDI package-supplied this pickling and cold rolling line, which will produce 2 million tonnes a year.

Ganglu PL-TCM has been performing stably and at high speed to produce thin specifications. The average product thickness is below 0.5 millimetres and the production speed is stabilised at 1,100 metres a minute, or higher.

The core production line for Ganglu Steel’s cold mill phase I, the 1,450mm PL-TCM has been equipped with the following advanced technology, units and automation:

1.      Entry of pickling line is installed with an automatic unpacking device, automatic pay-off reel, automatic welder and automatic accelerating and decelerating unit.

The fully-automatic entry section operates with minimal manual labour required.

2.      Tandem 5-stand 6-hi cold rolling mill runs at a maximum speed of 1,500 metres a minute. The high-precision L2 control model and L1 ensure a stable control of product thickness and less than 0.6% deviation in thickness of 0.3mm strip.

Product thickness pass rate exceeds 99.5%; the strip profile is within 5IU; the strip’s head-tail out-of-tolerance is limited to less than 5m for the same specification and to less than 10m for the varied specification.

3.      Against the background of CISDI’s remote maintenance system, Pocket Factory light APP, based on CISDI’s Nudge mobile office, is developed for a real-time monitor of the PL-TCM production status, product quality and quantity. The line’s KPI is dynamically kept on track.

It features a more user-friendly human-machine interface.

CISDI has improved the digital and information technology application levels to this line. Its daily output is now over 200 coils and more than 4,000 tonnes.



High-quality coils being rolled at Ganglu Steel’s PL-TCM, which was package-supplied by CISDI

 
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