Vdi 2230 Part 1 Pdf -

): You must calculate the "springiness" of both the bolt and the clamped parts to understand how the load distributes. The Tightening Factor ( αAalpha sub cap A

Verify that the pressure under the bolt head or nut does not exceed the compressive yield strength of the clamped material to prevent embedding. vdi 2230 part 1 pdf

Setting up an with specific dimensions and loads. Share public link ): You must calculate the "springiness" of both

Check the combined stresses under maximum operating conditions (including thermal expansion and bending moments) to ensure the bolt does not yield during use. Step 11: Alternating Stress Verification ( σAsigma sub cap A Share public link Check the combined stresses under

Without VDI 2230, an engineer might use 20 kN preload – leading to joint separation, fatigue crack initiation, and eventual bolt fracture.

Select an initial bolt size and strength class (e.g., grade 8.8, 10.9, or 12.12) based on the rough magnitude of the loads. Step 4: Calculate Elastic Resiliences ( δBdelta sub cap B δMdelta sub cap M

If the joint experiences cyclic loading, calculate the alternating stress amplitude ( σasigma sub a