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Technical Seminar · Springs & FKM

Spring calculation reimagined:
Perspective through FKM guideline

Evaluate the fatigue strength of springs and spring elements in accordance with the FKM guideline, and ensure that factors such as geometry, material, manufacturing, and loading are properly taken into account.

Seminar on Spring Calculations According to the FKM Guideline
FKM guideline springs

That's what this seminar is about

From the fundamentals of structural strength to spring-specific strength analyses and the evaluation of complex loads.

Operational durability and fatigue strength of Springs

Securing service life through fundamentals

Understand operational durability and properly evaluate the factors affecting the fatigue strength of springs.

Coiled compression spring in accordance with the FKM guideline

Focus on helical compression springs

Calculate stresses and account for the effects of geometry, material, surface roughness, and number of cycles.

Torsion Springs and Normal Stresses According to EN 13906-3

Spring – evaluate normal stresses

Calculate normal stresses according to EN 13906-3 and reliably assess fracture-critical areas.

Spring Elements Under Torsion and Bending

Correctly evaluate suspension elements

Determine torsion and bending using mechanical methods and calculate the resulting load factor.

Contents & details

All technical content from the seminar " Overview."

Basics

Operational durability & vibration resistance of springs

  • Loads, stresses, and tensions
  • Spring types and their stresses
  • Existing stresses in general and in spring elements
  • Material properties, microstructure, and chemical composition
  • Effect of component geometry
  • Effect of surface roughness and residual stresses
  • Effect of medium voltage and cycle count
  • Principle of local fatigue strength
  • Goodman-Haigh diagram
  • Basics of damage accumulation calculation
Coil spring

Shear stresses & spring-specific factors

  • General procedure of the FKM guideline springs for shear stresses
  • Calculation of existing stresses according to EN 13906-1
  • Take into account permissible deviations according to DIN 15800 and EN 10270
  • Take into account changes in material properties due to heat treatment
  • Support value concept for coiled compression springs
  • Determine the heavily stressed surface and the statistical support factor
  • Take surface roughness into account
  • Effect of medium voltage on the withstandable voltage amplitude
  • Distinguishing between blasted and unblasted springs
  • Increasing vibration resistance through shot blasting evaluate
  • Effect of the number of oscillations on allowable stress amplitudes
  • Understanding the two-tier security approach
  • Evaluate the utilization rate as the result of the calculation
Torsion spring

Normal stresses & cyclic strength

  • General procedure of the FKM guideline springs for normal stresses
  • Calculation of existing stresses according to EN 13906-3 as a function of the direction of actuation
  • Spring-Specific Characteristics of a Torsion Spring Under Cyclic Loading
  • Examining fracture-critical regions of a cantilever spring
  • Apply the support number concept to torsion springs
  • Calculate the surface area under high stress to determine the statistical support number
  • Difference between shear and normal stresses classify
  • Understand differences to the safety concept of compression coil springs
  • Evaluate the utilization rate
Spring elements

Expertly evaluate torsion and bending

  • Calculate existing stresses using general methods of engineering mechanics
  • Define a heavily loaded surface for estimating the statistical support number
  • Calculate the utilization rate
  • Evaluate calculation results from a technical perspective
Combined loading

Analyze shear and normal stresses simultaneously

  • Procedure for combined synchronous loading
  • Consider various possible calculation methods
  • Evaluate shear and normal stresses simultaneously
  • Assess the resulting utilization rate
Seminar Preview

Get a preview of the seminar

Four brief overviews highlight key topics related to structural integrity, the FKM guideline, stresses, and the calculation of shear stresses.

01 · Basics

Operational durability

02 · Guideline

FKM guideline for springs

03 · Calculation

Putting tensions into perspective

04 · Calculation

Calculate shear stresses

Practical Knowledge on Spring Design According to the FKM Guideline
Practical relevance

Understand the calculation. Evaluate the results with confidence.

Typical calculation examples for the analysis and design of coil springs and torsion springs are incorporated directly into the seminar.

Real-world case studies Practical knowledge Recognizing typical mistakes Discussing your own questions
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Dates & participation

Dates in German DE
November 3–4, 2026 9:00 a.m.–1:00 p.m.
Online · Live
March 9–10, 2027 9:00 a.m.–1:00 p.m.
Online · Live
May 11–12, 2027 9:00 a.m.–1:00 p.m.
Online · Live

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790 €
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1.343 €
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If multiple participants each book a 2-person bundle, each booked bundle spot receives a 15 % discount.

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