SERVICE
position:
Homepage
/
/
ROLL MAINTENANCE

ROLL MAINTENANCE

  • Categories:Service
  • Author:
  • Origin:
  • Time of issue:2020-07-10
  • Views:0

ROLL MAINTENANCE

(Summary description)Reasonable roll maintenance not merely ensure rolls to be recovery from fatigue caused by long time service,but also can significantly reduce roll consumption.

  • Categories:Service
  • Author:
  • Origin:
  • Time of issue:2020-07-10
  • Views:0
Information

Reasonable roll maintenance not merely ensure rolls to be recovery from fatigue caused by long time service,but also can significantly reduce roll consumption.

1. Make a record of roll history

Make a record of roll history . Content includes : roll diameter before and after mill service; time of in and off the mill ; amount of product for each campaign (tonnage or kilometers); stock remove for each grinding ; the inspection results after grinding; reason of roll change; measures and results of disposal in case ofroll accidents; etc.

2. Reasonable grinding specifications

Roll grinding should be done after roll suface temperature cooling down to ambient temperature; And after grinding, rolls need to be placed for certain period to eliminate grinding stress . These factors require steel mills to set up reasonable campaign period and quantity of standby rolls. The campaign length will need to be balanced with the grinding practice to ensure optimum performance. Including grinding wheel selection, feed amount, grinding amount and coolant control, to prevent grinding burn.

3. disposal meas ures of accident rolls

When accidents or abnormalities in the r