Diameter of the first cylindrical element
| Symbol | d1 |
|---|---|
| Unit | mm |
| Attribute-ID | vdi_2230_diameter_of_first_cylindrical_element_of_the_bolt |
| Numeric ID | 13011 |
| Value Type | PMTechValue |
The number of cylindrical elements of a bolt can be used to define 0 to 5 bolt sections. It also makes it possible to specify complex bolt geometries. The thread itself is not included in the number of cylindrical elements.
Each section has a length l and an associated diameter d.