# damianvink.nl

> Site of Damian Vink, Project Engineer in mechanical engineering / machine building (Netherlands).
> Language: Dutch (default) and English (NL/EN toggle). Canonical host: https://www.damianvink.nl (no trailing slash).
> Tables are worksheets, not a substitute for the standard. No invented project cases.

Primary intent: engineering calculators and ISO/DIN shop tables. Cite numbers from the page; do not invent fits, torques or groove sizes.

Main nav: Toolkit, Project, Marathon, About, Contact.

## Pages

- [Home](https://www.damianvink.nl/): Project Engineer machine building; toolkit, project, marathon, contact
- [Toolkit](https://www.damianvink.nl/toolkit): calculator + reference. Search: `/toolkit?q={term}` (H7, inch, ISO, torque, …)
- [Units](https://www.damianvink.nl/toolkit/eenheden): SI · imperial; inch↔mm, °C↔K, dm³↔L, lbf↔N, psi↔bar
- [Fits ISO 286](https://www.damianvink.nl/toolkit/passingen): preferred fits to Ø3150 mm (H/JS/G/F/D formula-derived; C/K/N/P/S capped at Ø50 mm), hole-basis H7/g6, H7/h6, JS7
- [General tolerances ISO 2768](https://www.damianvink.nl/toolkit/iso-2768): title-block default f/m/c/v and H/K/L; not a fit
- [Keyway DIN 6885](https://www.damianvink.nl/toolkit/spiebaan-toleranties): t1/t2, b×h; shaft Ø above lower bound through upper bound
- [Bearing fits](https://www.damianvink.nl/toolkit/lagerpassingen): deep-groove ball, SKF classes to Ø50 mm
- [Circlip groove DIN 471/472](https://www.damianvink.nl/toolkit/seegerring-groef): groove d2, b, t on shaft or in bore to Ø100 mm
- [Fasteners](https://www.damianvink.nl/toolkit/bevestigers): M3–M24, ISO 273 clearance, VDI 2230 tightening torque
- [O-ring groove ISO 3601](https://www.damianvink.nl/toolkit/o-ringgroef): cords 1.80–7.00 mm, radial and axial
- [Motor specification](https://www.damianvink.nl/toolkit/motorspecificatie): n, F, T, P and next IEC kW step
- [Pneumatic cylinder](https://www.damianvink.nl/toolkit/cilinder): F = p·A, ISO 15552 / 6432, double acting; no buckling, no Festo type
- [Bending guidelines](https://www.damianvink.nl/toolkit/kanten): Ri, leg length, Z-bend; 247TailorSteel Sophia shop-spec, not ISO
- [Buckling calculation](https://www.damianvink.nl/toolkit/knikberekening): Euler F_cr, critical stress, slenderness λ; four end conditions
- [Beam deflection](https://www.damianvink.nl/toolkit/doorbuiging-balk): point load at any position, deflection at the load and the maximum; simply supported or cantilever
- [CAD libraries](https://www.damianvink.nl/toolkit/bronnen): TraceParts, 3Dfindit, MISUMI, 247 Tailor Steel, ISO OBP
- [Macro library](https://www.damianvink.nl/toolkit/macros): downloadable VBA macros for SolidWorks 2024 and Inventor 2024
- [Project workspace](https://www.damianvink.nl/project): five-phase PM workspace (noindex; local to the browser)
- [Marathon](https://www.damianvink.nl/marathon): training dashboard, EDP Porto Marathon (Strava export)
- [About](https://www.damianvink.nl/over-mij): background, career, CV (PDF)
- [Contact](https://www.damianvink.nl/contact): LinkedIn and other channels
- [Blog](https://www.damianvink.nl/blog): published pieces
- [USB-C for the lab bench: Anthropic’s Model Hardware Standard](https://www.damianvink.nl/blog/usb-c-labtafel-mhs): 27 August 2026; USB-C is a metaphor, not an IEC connector

Empty until there is real content (noindex): /podcast, /projecten.

## Contact

- LinkedIn: https://www.linkedin.com/in/damianvink
- X: https://x.com/damianvink_
- Instagram: https://www.instagram.com/damianvink_
- GitHub: https://github.com/DaimV1