Search by engineering need
Phase 1 includes working calculators for high-intent visitors. Additional tools can be activated from the same registry pattern.
Roll Weight Calculator
Calculate shell, journal, rubber cover and total roll mass.
Calculate Now Load AnalysisRoller Deflection Calculator
Estimate theoretical roll deflection for point or distributed load.
Calculate Now Deflection & CamberCamber Calculator
Estimate theoretical camber compensation with correction factor.
Calculate Now Stress CheckBending Stress Calculator
Check bending stress against entered allowable limits.
Calculate Now Hydraulic ForceHydraulic Cylinder Force
Calculate cap-side or rod-side cylinder force.
Calculate Now Nip EngineeringNip Load Calculator
Calculate mechanism force, gravity effect and linear nip load.
Calculate Now Drive & SpeedSurface Speed & RPM
Convert between roll diameter, RPM and line speed.
Calculate Now Drive & PowerTorque & Motor Power
Estimate torque, load power and selected motor power.
Calculate Now BearingsBearing L10 Life
Estimate basic rating life from C, P, type and RPM.
Calculate Now Rubber & CoveringRubber Cover Volume
Estimate cover volume, mass and recoating material.
Calculate NowComplete Rolls formula library for engineers and buyers
See the transparent formulas behind roll weight, deflection, camber, stress, nip load, hydraulic force, rubber covering, speed, torque, bearings and optimization logic.
Engineering Calculation Notice
Calculations are provided as engineering estimation tools based on the inputs, equations and assumptions shown. Actual performance may vary depending on machine configuration, materials, loading conditions, temperature, dynamic effects and operating environment. Final manufacturing or safety-critical decisions should be reviewed by a qualified engineer.