Vdi 2230 2021 (2025)

This value represents the maximum force the bolt might experience during assembly due to tool inaccuracies. Step 10: Verification of Bolt Yielding During Tightening

[1. Determine Forces] ➔ [2. Select Bolt Geometry] ➔ [3. Calculate Elastic Resilience] ⬇ [6. Verify Safety Factors] ➔ [5. Determine Tightening Torque] ➔ [4. Analyze Load Distribution] ⬇ [7. Fatigue & Slip Checks]

): Verifies the bolt will not fail under dynamic, fluctuating loads. Surface Pressure ( SPcap S sub cap P vdi 2230 2021

The external load or the component geometry is asymmetrical. This introduces a bending moment into the joint, causing uneven pressure distribution across the clamped interface. This requires more complex calculation using substitution deformation cones or cylinders. 3. The 13-Step Calculation Procedure

: Better integration of eccentric loads and their impact on the "clamping cone" (the volume of material being compressed). Material Properties This value represents the maximum force the bolt

If you are designing bolted joints and want to ensure compliance with the latest 2021 standards, I can provide more details on: The specific tables for friction coefficients ( The formula for calculating fatigue safety ( SFcap S sub cap F How to apply FEA for bolt calculation.

A graphical representation used to understand the relationship between force and elongation in the bolt and the clamping parts. This helps engineers visualize how working loads shift the state of the joint. Select Bolt Geometry] ➔ [3

For joints under alternating loads, the guideline provides methods to calculate endurance limits, noting that local stresses at the first screw thread can significantly reduce load capacity.