NDW - 2000/500, 3000/700, 5000/500 High Strength Bolt Torsion Testing Machine
1 Important Function
Test and research with bolt of grade 12.9, 10.9, 9.8, 8.8, nut, stud, fastener and its connecting coupler for pre-stressed force F, yielding fastening axial force, yielding clamping force, limiting clamping force, assured loading, breaking load, torque T, limiting fastening torque, coefficient of torque K, torque angle, tensile and torsion of fastener.
2 type of fastener connecting coupler
Friction type, bearing compression type, resistance to tensile type, torque and shear type, large six angle type of high strength bolt, double head and square head bolt, six angle nut, connecting coupler of friction type bolt and bearing compression type of pre-stressed high strength.
1) DIN2510/5 Nut
2) DIN2510/6 Long bolt
3) ASME/ASNIB18.2.2 Nut
4) ASTM A320/A320M-17a Standard Specification for Alloy Steel and Stainless Steel Bolting for Low-Temperature Service.
5) ASTM A325 σb ≥827Mpa/724Mpa technology specification of thermal handle of structural steel bolt.
6) ASTM A354 Standard Specification for QQuenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners.
4 Important characteristic
1) Torsion test with large torque, small torque, high strength bolt, common bolt with multiple function.
2) Large range test with M8-M30mm, M16-M36mm, overlength and overthick high strength bolt.
3) Length of bolt L/b25--500mm
4) Special mechanical grip, combined and changable propety.