EHL film thickness in sheet rolling
Lubricant film thickness, contact length and roll force between the work rolls and the sheet, from the reduction ratio and lubricant properties.
Film thickness, hc5.55 µm
Entry wedge angle20 mrad
Contact zone length5 mm
Viscosity ratio, η/η₀36.6
Vertical force per unit width1000 kN/m
Method & references
- EHL lubrication in sheet/plate rolling — film thickness between work rolls and sheet.
The computation is a literal port of the original client-side JavaScript from /calculators/e12_2.htm. Results are verified equal to the original by an automated golden-master test. No formula has been re-derived or “improved”.