A mechanical performance tester for in-situ micro-torsion materials with double-sided dynamics under microscopic field of view
A technology of twisting materials and microscopic field of view, applied in scientific instruments, analytical materials, instruments, etc., can solve the problem that the position accuracy of the test piece is rarely considered or not considered carefully, which restricts the in-depth research and development, and the influence of the clamping accuracy of the test piece. and other problems, to achieve the effect of stable test process, compact structure and small torsion angle
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[0017] The invention includes a base, a DC servo motor, a gearbox, an elastic coupling, a main shaft, and a fixture. The axes of the two main shafts are on the same straight line, and the two main shafts are equipped with fixtures, torque sensors, flanges, reading head connecting frames, circular grating reading heads, and circular grating scales in sequence from the front section to the rear. Shaft connections gain torque. A further technical solution is that the transmission device is a worm gear pair consisting of a high-speed worm gear and a low-speed worm gear, the high-speed worm is connected with an elastic coupling, and the low-speed worm gear is installed at the rear end of the main shaft. The fixture is composed of an upper platen and a lower platen. The upper platen and the lower platen are connected by clamping bolts. There is a positioning groove at the front end of the upper platen. There is a positioning piece in the positioning groove. The lower end of the posi...
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