Boots – shoes – and leggings
Patent
1988-05-12
1990-07-03
Teska, Kevin J.
Boots, shoes, and leggings
33 1M, 33505, 356375, 36447437, 36457101, G06F 1546
Patent
active
049396781
ABSTRACT:
Methods for determining nonrigid error parameters that result from deflection or deformation of machine elements and correcting scale readings in a coordinate measuring machine. The nonrigid error parameters are a function of probe position along two directions. In a bridge type coordinate measuring machine, the y-direction error parameters are a function of probe position in both x and y directions and thus exhibit nonrigid behavior. Nonrigid error parameters are measured by making error measurements at a plurality of corresponding points along two parallel, spaced-apart measurement lines. The error measurements are substituted into simultaneous equations for the error parameters, and the equations are solved for the coefficients. The coefficients are used to determine the axial errors at any point in the measuring volume. The axial errors are subtracted from the scale readings.
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Brown & Sharpe Manufacturing Company
Teska Kevin J.
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