Measurement of force acting on a moving part of a pneumatic linear bearing | Zendy

Yusaku Fujii | Zendy

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Measurement of force acting on a moving part of a pneumatic linear bearing

Author(s) -

Yusaku Fujii

Publication year - 2003

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.1574396

Subject(s) - fictitious force , physics , gravitational force , tilt (camera) , force density , component (thermodynamics) , mechanics , position (finance) , conservative force , bearing (navigation) , optics , classical mechanics , thermodynamics , mathematics , geometry , finance , astronomy , economics

A method for evaluating the components of the force acting on a moving part of a pneumatic linear bearing is proposed. The total force acting on the moving part is accurately measured as the inertial force using an optical interferometer. Then, the components of the force, such as the force component depending on position, the force component depending on velocity, and the force component depending on tilt angle, are evaluated using the least-squares method. In the experiment, the total force acting on the moving part is measured with the standard uncertainty of approximately 0.001 N, which corresponds to approximately 0.003% (30 ppm) of the gravitational force acting on it (M = 4.119 kg) of approximately 40 N (40 N). The experimentally evaluated values of these force components well coincide with the theoretically expected values

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