Engineering Formula Library

148 engineering formulas covering seven categories of precision elastic component design

All Formulas

164 formulas

F-25201-A001

Tightening Torque

Tightening Torque

Verified
F-25201-A002

Min Assembly Preload

Min Assembly Preload

Verified
F-25201-A003

Max Assembly Preload

Max Assembly Preload

Verified
F-25201-A004

Permissible Assembly Stress

Permissible Assembly Stress

Verified
F-25201-A005

Tightening Factor αA

Tightening Factor αA

Verified
F-25201-A006

K-Factor (Nut Factor)

K-Factor (Nut Factor)

Verified
F-25201-B001

Wedge Self-Locking Condition

Wedge Self-Locking Condition

Verified
F-25201-B002

Locking Torque

Locking Torque

Verified
F-25201-B003

Unlocking Torque

Unlocking Torque

Verified
F-25201-B004

Anti-Vibration Safety Factor

Anti-Vibration Safety Factor

Verified
F-25201-B005

Lock/Unlock Torque Ratio

Lock/Unlock Torque Ratio

Verified
F-25201-B006

Effective Friction Diameter

Effective Friction Diameter

Verified
F-25201-C001

Working Stress Check

Working Stress Check

Verified
F-25201-C002

Fatigue Stress Check

Fatigue Stress Check

Verified
F-25201-C003

Preload Loss from Embedding

Preload Loss from Embedding

Verified
F-25201-C004

Surface Pressure Check

Surface Pressure Check

Verified
F-25201-C005

Thermal Preload Change

Thermal Preload Change

Verified
F-25201-C006

Anti-Slip Safety Factor

Anti-Slip Safety Factor

Verified
F-25201-D001

Nominal Diameter Estimate

Nominal Diameter Estimate

Verified
F-25201-D002

Washer-Bolt Size Match

Washer-Bolt Size Match

Verified
F-25201-D003

Min Thread Engagement

Min Thread Engagement

Verified
F-25201-D004

Material & Surface Selection

Material & Surface Selection

Verified
F-25201-D005

Teeth & Cam Optimization

Teeth & Cam Optimization

Verified
F-25201-D006

Reuse Assessment

Reuse Assessment

Verified
F-511-A001

Force-Deflection with Knurling Correction

Force-Deflection with Knurling Correction

Verified
F-511-A002

Spring Stiffness Z/M/L Comparison

Spring Stiffness Z/M/L Comparison

Verified
F-511-A003

OM Point Stress

OM Point Stress

Verified
F-511-A004

Effective Friction Coefficient

Effective Friction Coefficient

Verified
F-511-A005

Torque Coefficient K Factor

Torque Coefficient K Factor

Verified
F-511-B001

Tooth Penetration Depth (Single-Face)

Tooth Penetration Depth (Single-Face)

Verified
F-511-B002

Anti-Loosening Torque

Anti-Loosening Torque

Verified
F-511-B003

Junker Residual Preload Ratio

Junker Residual Preload Ratio

Verified
F-511-B004

Loosening Safety Factor

Loosening Safety Factor

Verified
F-511-B005

Preload Decay from Embedding

Preload Decay from Embedding

Verified
F-511-C001

Tooth Tip Contact Pressure (Hertz)

Tooth Tip Contact Pressure (Hertz)

Verified
F-511-C002

Washer Body Combined Stress

Washer Body Combined Stress

Verified
F-511-C003

Type Selection Z/M/L

Type Selection Z/M/L

Verified
F-511-C004

Material Compatibility Check

Material Compatibility Check

Verified
F-511-C005

Installation Verification

Installation Verification

Verified
F-6796-A001

Flattening Force

Flattening Force

Verified
F-6796-A002

Force-Deflection Equation

Force-Deflection Equation

Verified
F-6796-A003

Force-Deflection Curve Data

Force-Deflection Curve Data

Verified
F-6796-A004

Spring Rate

Spring Rate

Verified
F-6796-A005

Elastic Energy Absorption

Elastic Energy Absorption

Verified
F-6796-A006

Allowable Max Load

Allowable Max Load

Verified
F-6796-B001

OM Point Stress

OM Point Stress

Verified
F-6796-B002

Five-Point Stress

Five-Point Stress

Verified
F-6796-B003

von Mises Stress

von Mises Stress

Verified
F-6796-B004

Static Safety Factor

Static Safety Factor

Verified
F-6796-B005

Fatigue Life Estimate

Fatigue Life Estimate

Verified
F-6796-B006

Contact Pressure Check

Contact Pressure Check

Verified
F-6796-C001

Bolt Preload Force

Bolt Preload Force

Verified
F-6796-C002

Tightening Torque

Tightening Torque

Verified
F-6796-C003

Settlement Estimate

Settlement Estimate

Verified
F-6796-C004

Residual Clamping Force

Residual Clamping Force

Verified
F-6796-C005

Anti-Loosening Assessment

Anti-Loosening Assessment

Verified
F-6796-C006

Temperature Derating

Temperature Derating

Verified
F-6796-C007

E-Modulus vs Temperature

E-Modulus vs Temperature

Verified
F-6796-D001

Bolt-Washer Matching

Bolt-Washer Matching

Verified
F-6796-D002

Parallel Stack

Parallel Stack

Verified
F-6796-D003

Series Stack

Series Stack

Verified
F-6796-D004

Combined Stack

Combined Stack

Verified
F-6796-D005

Material Substitution

Material Substitution

Verified
F-6796-D006

Reusability Assessment

Reusability Assessment

Verified
F-9250-A001

Torque-Preload with Serrated Friction

Torque-Preload with Serrated Friction

Verified
F-9250-A002

Spring Force-Deflection with Tooth Correction

Spring Force-Deflection with Tooth Correction

Verified
F-9250-A003

Equivalent Serration Friction Coefficient

Equivalent Serration Friction Coefficient

Verified
F-9250-A004

Preload Scatter by Tightening Method

Preload Scatter by Tightening Method

Verified
F-9250-A005

Torque Coefficient K Factor

Torque Coefficient K Factor

Verified
F-9250-A006

Tooth Contact Stiffness

Tooth Contact Stiffness

Verified
F-9250-B001

Tooth Penetration Depth (Analytical)

Tooth Penetration Depth (Analytical)

Verified
F-9250-B002

Tooth Penetration FEM (2D Plane Strain)

Tooth Penetration FEM (2D Plane Strain)

Verified
F-9250-B003

Anti-Loosening Torque

Anti-Loosening Torque

Verified
F-9250-B004

Junker Empirical Model

Junker Empirical Model

Verified
F-9250-B005

Junker Dynamics (RK4 Transient)

Junker Dynamics (RK4 Transient)

Verified
F-9250-B006

Loosening Safety Factor

Loosening Safety Factor

Verified
F-9250-C001

Tooth Tip Contact Pressure (Hertz)

Tooth Tip Contact Pressure (Hertz)

Verified
F-9250-C002

Washer Body Combined Stress

Washer Body Combined Stress

Verified
F-9250-C003

Mating Surface Indentation Assessment

Mating Surface Indentation Assessment

Verified
F-9250-C004

Fatigue S-N Curve with Tooth Notch

Fatigue S-N Curve with Tooth Notch

Verified
F-9250-C005

Temperature Derating Factor

Temperature Derating Factor

Verified
F-9250-C006

Tooth Root Stress Concentration FEM Verification

Tooth Root Stress Concentration FEM Verification

Verified
F-9250-D001

Size Selection by Bolt Diameter

Size Selection by Bolt Diameter

Verified
F-9250-D002

Load Series Selection (SS/VS/VSS)

Load Series Selection (SS/VS/VSS)

Verified
F-9250-D003

Material Compatibility Check

Material Compatibility Check

Verified
F-9250-D004

Reusability Assessment

Reusability Assessment

Verified
F-9250-D005

Tooth Geometry Generation

Tooth Geometry Generation

Verified
F-9250-D006

Installation Verification

Installation Verification

Verified
F-CROSS-001

Cross-Category Force Comparison

Cross-Category Force Comparison

Verified
F-DIN2093-001

Force Calculation (Almen-Laszlo)

Force Calculation (Almen-Laszlo)

Verified
F-DIN2093-002

OM Point Stress

OM Point Stress

Verified
F-DIN2093-003

Spring Rate

Spring Rate

Verified
F-DIN2093-004

All 5 Stress Points

All 5 Stress Points

Verified
F-DIN2093-005

Stored Energy

Stored Energy

Verified
F-DIN2093-010

Parallel Stack

Parallel Stack

Verified
F-DIN2093-011

Series Stack

Series Stack

Verified
F-DIN2093-012

Combined Stack

Combined Stack

Verified
F-DIN2093-013

Free Length & Stability

Free Length & Stability

Verified
F-DIN2093-014

Stack Stress with Friction

Stack Stress with Friction

Verified
F-DIN2093-015

Stack Damping

Stack Damping

Verified
F-DIN2093-020

Stress Range & Amplitude

Stress Range & Amplitude

Verified
F-DIN2093-021

Fatigue Life Estimate

Fatigue Life Estimate

Verified
F-DIN2093-022

Goodman Diagram Check

Goodman Diagram Check

Verified
F-DIN2093-023

Cumulative Damage (Miner)

Cumulative Damage (Miner)

Verified
F-DIN2093-026

Inverse Calculation

Inverse Calculation

Verified
F-DIN2093-027

Shot Peening Correction

Shot Peening Correction

Verified
F-DIN2093-028

Environmental Correction

Environmental Correction

Verified
F-DIN2093-030

Relaxation Ratio

Relaxation Ratio

Verified
F-DIN2093-031

Arrhenius Temperature Dependence

Arrhenius Temperature Dependence

Verified
F-DIN2093-032

Residual Stress

Residual Stress

Verified
F-DIN2093-034

Multi-Temperature Relaxation

Multi-Temperature Relaxation

Verified
F-DIN2093-040

Friction Correction

Friction Correction

Verified
F-DIN2093-041

Guide Clearance Design

Guide Clearance Design

Verified
F-DIN2093-042

Centrifugal Force Correction

Centrifugal Force Correction

Verified
F-DIN2093-050

Natural Frequency

Natural Frequency

Verified
F-DIN2093-051

Stack Natural Frequency

Stack Natural Frequency

Verified
F-DIN2093-052

Transmissibility

Transmissibility

Verified
F-DIN2093-053

Shock Response

Shock Response

Verified
F-DIN2093-054

Damping Estimate

Damping Estimate

Verified
F-DIN2093-055

Critical Speed

Critical Speed

Verified
F-DIN2093-056

Dynamic Forming Prediction

Dynamic Forming Prediction

Verified
F-DIN2093-060

Parameter Sweep

Parameter Sweep

Verified
F-DIN2093-061

Pareto Optimization

Pareto Optimization

Verified
F-DIN2093-062

Sensitivity Analysis

Sensitivity Analysis

Verified
F-DIN2093-063

Tolerance Analysis

Tolerance Analysis

Verified
F-DIN2093-064

Material Summary

Material Summary

Verified
F-DIN2093-065

Stack Configurator

Stack Configurator

Verified
F-DIN2093-070

Mesh Convergence

Mesh Convergence

Verified
F-DIN2093-071

Linear Static FEA

Linear Static FEA

Verified
F-DIN2093-072

Geometric Nonlinear FEA

Geometric Nonlinear FEA

Verified
F-DIN2093-073

Contact Mechanics

Contact Mechanics

Verified
F-DIN2093-074

Thermal-Mechanical Coupled

Thermal-Mechanical Coupled

Verified
F-DIN2093-075

Modal Analysis

Modal Analysis

Verified
F-DIN2093-076

Explicit Dynamics

Explicit Dynamics

Verified
F-DIN2093-077

Submodeling

Submodeling

Verified
F-DIN2093-080

Limit Load

Limit Load

Verified
F-DIN2093-081

Shakedown Analysis

Shakedown Analysis

Verified
F-DIN2093-082

Ratcheting Assessment

Ratcheting Assessment

Verified
F-DIN2093-083

Plastic Accumulation / LCF

Plastic Accumulation / LCF

Verified
F-DIN2093-090

Fracture Mechanics (LEFM)

Fracture Mechanics (LEFM)

Verified
F-DIN2093-091

Fatigue Crack Growth

Fatigue Crack Growth

Verified
F-DIN2093-092

Continuum Damage Mechanics

Continuum Damage Mechanics

Verified
F-FEA-001

FEA Mesh Benchmark

FEA Mesh Benchmark

Verified
F-MAT-001

Material Properties

Material Properties

Verified
F-MFG-001

Stamping Process Parameters

Stamping Process Parameters

Verified
F-MFG-002

Heat Treatment Parameters

Heat Treatment Parameters

Verified
F-MFG-003

Surface Treatment

Surface Treatment

Verified
F-SSHT-K100

Elastic Modulus E(T)

Elastic Modulus E(T)

Verified
F-SSHT-K101

Yield Strength σ_y(T)

Yield Strength σ_y(T)

Verified
F-SSHT-K102

Ultimate Strength σ_u(T)

Ultimate Strength σ_u(T)

Verified
F-SSHT-K103

CTE α(T)

CTE α(T)

Verified
F-SSHT-K104

Material Recommendation

Material Recommendation

Verified
F-SSHT-K105

Creep Rate (Norton-Bailey)

Creep Rate (Norton-Bailey)

Verified
F-SSHT-K106

Creep Rupture Life (Larson-Miller)

Creep Rupture Life (Larson-Miller)

Verified
F-SSHT-K107

Creep Strain Accumulation

Creep Strain Accumulation

Verified
F-SSHT-K108

Creep-Relaxation Coupling

Creep-Relaxation Coupling

Verified
F-SSHT-K109

Thermal Expansion Constraint Stress

Thermal Expansion Constraint Stress

Verified
F-SSHT-K110

Through-Thickness Thermal Gradient Stress

Through-Thickness Thermal Gradient Stress

Verified
F-SSHT-K111

Hot Strength Utilization

Hot Strength Utilization

Verified
F-SSHT-K112

Thermal Expansion Geometry Change

Thermal Expansion Geometry Change

Verified
F-VDI2230-R03-001

Bolt Resilience δ_S

Bolt Resilience δ_S

Verified
F-VDI2230-R03-002

Clamped Member Resilience δ_P

Clamped Member Resilience δ_P

Verified
F-VDI2230-R03-003

Load Factor Φ

Load Factor Φ

Verified
F-VDI2230-R03-004

Deformation Diagram Data

Deformation Diagram Data

Verified

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