Multiaxial materials testing system (axial‑torsion configuration)

Beskrivelse fra ordregiveren

The contracting authority must procure an electrodynamic biaxial (axial–torsion) test system that, for strictly technical and research critical reasons, must cumulatively provide: exact 12 kN dynamic force; ±120 Nm torsion at 12 kN; ≥ 70 mm dynamic stroke; ±135° and ±500 rev at 0.001–100 rpm; independent two axis control with advanced auto tuning; a large test space (~985 mm/460 mm); environmental chamber; and ≤ 78 dB(A) in operation on the existing concrete floor near sensitive nano scale instruments. These requirements are objective, proportionate and necessary and do not artificially restrict competition. A structured market screening and direct technical enquiries confirm that only MTS Systems’ Acumen 12 offers a single integrated platform meeting all cumulative requirements; competing systems are ≤ 10 kN, 15 kN or ≥ 20 kN (i.e. not exactly 12 kN) and/or cannot document the required combined force–torque–stroke, angular/speed ranges or noise limit. No reasonable alternative or substitute exists. Accordingly, the negotiated procedure without prior publication is used for technical reasons under Section 80(3); the conditions in Section 80(4) (no reasonable alternative; no artificial restriction of competition) are fulfilled.

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