🧮 Engineering Calculators
Professional calculators for vibration analysis, balancing, and mechanical engineering. All calculations based on international standards (ISO, ANSI, API, VDI).
Balancing Platform Design Calculator
Complete design tool for spring-mounted rotor balancing machines
Bearing Load Capacity Calculator
Calculate critical dynamic bearing load and L10 life
Bolt Tightening Torque Calculator
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
Calculate maximum allowable noise levels based on exposure time
Rotor Deflection at Supports Calculator
Calculate permissible rotor deflection or sag at bearing supports
Permissible Shaft Radial Runout Calculator
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
Calculate permissible operating temperatures for equipment components
Permissible Vibration Acceleration Calculator – ISO 20816
Calculation according to ISO 20816 standard
Permissible Vibration Displacement Calculator – ISO 1940
Calculation according to ISO 1940 standard
Permissible Vibration Velocity Calculator – ISO 10816
Calculation according to ISO 10816 standard