Contact-type frictional interface stick-slip characteristic on-line detection device
A technology of friction interface and detection device, which is applied in the direction of measuring device, surface/boundary effect, instrument, etc., and can solve the problems affecting the positioning accuracy and discontinuity of precise positioning
Inactive Publication Date: 2010-09-15
XI AN JIAOTONG UNIV
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Problems solved by technology
During the positioning process, due to the stick-slip force on the friction surface of the positioning platform and the guide rail, the movement will show a discontinuous stick-slip motion, that is, the crawling phenomenon, and this phenomenon seriously affects the positioning accuracy in precision positioning
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[0010] refer to figure 1 , is a kind of friction interface stick-slip characteristic on-line detection device of the present invention, mainly comprises experiment platform 1, the one-dimensional electric translation platform 8 that is arranged on the experiment platform 1, the first three-dimensional manual translation platform 2, the second three-dimensional manual translation platform 7. The first three-dimensional manual translation platform 2 and the second three-dimensional manual translation platform 7 are respectively located on the left and right sides of the one-dimensional electric translation platform 8 .
[0011] combine figure 2 , the one-dimensional electric displacement stage 8 is made up of base, the rail that is arranged on the base, the displacement stage that slides along the rail, the stepper motor that is arranged on one end of the base, and the lead screw that connects stepper motor and displacement stage, step The feed motor can drive the stage to mov...
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The invention relates to the field of research of frictional interface stick-slip characteristics and discloses a contact-type frictional interface stick-slip characteristic on-line detection device. The contact-type frictional interface stick-slip characteristic on-line detection device comprises a test bed (1), and a one-dimensional electric displacement table (8), a first three-dimensional manual displacement table (2), and a second three-dimensional manual displacement table (7) arranged on the test bed (1). The first three-dimensional manual displacement table (2) and the second three-dimensional manual displacement table (7) are positioned on two sides of the one-dimensional electric displacement table (8) respectively; a matrix clamp (9) for clamping a friction matrix (10) is fixed on the one-dimensional electric displacement table (8); a loading mechanism (4) for clamping a friction slider (11) is fixed on the first three-dimensional manual displacement table (2); a fixture (6) is fixed on the second three-dimensional manual displacement table (7); and a contact probe type displacement transducer (5) for measuring the displacement of the friction slider (11) is arranged on the fixture (6).
Description
technical field [0001] The invention relates to the research field of stick-slip characteristics of a friction interface, in particular to a contact type online detection device for the stick-slip characteristics of a friction interface. Background technique [0002] Precision positioning technology is widely used in aerospace, MEMS, metrology science, optics and optoelectronics engineering, precision engineering, bioengineering and other fields. In particular, as the requirements for positioning accuracy in industrial fields such as ultra-precision machining, ultra-precision measurement and robot systems continue to increase, the research on precision positioning technology becomes more important. During the positioning process, due to the stick-slip force on the friction surface of the positioning platform and the guide rail, the movement will show a discontinuous stick-slip motion, that is, the crawling phenomenon, and this phenomenon seriously affects the positioning acc...
Claims
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Inventor 刁东风王利锋刁旭
Owner XI AN JIAOTONG UNIV