Filler Plates

Stand 1 calculation

Stand 1 inputs

Bottom back up roll dia

Feed roll assembly wear

Max bottom work roll dia

Min bottom work roll dia

Roll ID

Shown on the report

Passline min

Passline max

Theoretical filler size

151mm

1944 − 1020mm − 765mm − 8mmAssessing 150mm fillers plus 5mm above and below.

145mm fillersOutside range

PL min (min WD)

19mm

PL max (max WD)

24mm

Passline range 19mm to 24mm — outside the optimum 23–28mm at minimum work roll diameter.

150mm fillersNear range

PL min (min WD)

24mm

PL max (max WD)

29mm

Passline range 24mm to 29mm — 1mm outside (near) the optimum 23–28mm at maximum work roll diameter.

155mm fillersOutside range

PL min (min WD)

29mm

PL max (max WD)

34mm

Passline range 29mm to 34mm — outside the optimum 23–28mm.

Recommendation

Near range

Select 150mm fillers

Gives the most suitable passline range (24mm to 29mm). Limit the use of larger diameter work rolls in the bottom position.