🧮 Engineering Calculators
Professional calculators for vibration analysis, balancing, and mechanical engineering. All calculations based on international standards (ISO, ANSI, API, VDI).
Residual Unbalance Tolerance Calculator – ISO 1940
Calculate residual unbalance tolerance according to ISO 1940
Trial Weight Mass Calculator
Determine trial weight mass for rotor balancing
Balancing Platform Design Calculator
Complete design tool for spring-mounted rotor balancing machines
Bearing Load Capacity Calculator | vibromera.eu/
Calculate critical dynamic bearing load and L10 life
Bolt Tightening Torque Calculator | vibromera.eu/
Calculate required torque to achieve proper bolt preload
Spring Critical Speed (Surging) Calculator
Calculate surge frequency and critical speeds for helical springs
Natural Frequency Calculator – Mass-Spring System
Calculate resonant frequency of mass-spring systems
Permissible Noise Level Calculator | vibromera.eu/
Calculate maximum allowable noise levels based on exposure time
Rotor Deflection at Supports Calculator | vibromera.eu/
Calculate permissible rotor deflection or sag at bearing supports
Permissible Shaft Radial Runout Calculator | vibromera.eu/
Calculate maximum allowable shaft runout relative to bearings
Spring Selection Calculator – Target Frequency
Find optimal spring stiffness for target resonant frequency
Equivalent Spring Stiffness Calculator
Calculate combined stiffness for springs in series or parallel
Component Temperature Limits Calculator | vibromera.eu/
Calculate permissible operating temperatures for equipment components
Permissible Vibration Acceleration Calculator – ISO 20816 | vibromera.eu/
Calculation according to ISO 20816 standard
Permissible Vibration Displacement Calculator – ISO 1940 | vibromera.eu/
Calculation according to ISO 1940 standard
Permissible Vibration Velocity Calculator – ISO 10816 | vibromera.eu/
Calculation according to ISO 10816 standard