SINGLE-AXIS OR MULTI-AXIS FORCE MEASURING DEVICE HAVING A SHORT DEFORMATION ZONE

摘要

The invention relates to a force measuring device for the single-axis or multi-axis measurement of active forces and moments, comprising a first flange-like part (1), via which the forces to be measured are introduced, a second flange-like part (2), via which the introduced forces are picked up and dissipated, and a tube-like deformation zone (3) connecting said two parts, via which all the tensile, compressive, torsional and shear forces acting on the first flange-like part (1) are passed onto the second flange-like part (2). At least the inner or outer cylindrical surface of the tube-like deformation zone (3) serves as an application surface (5) for strain gauges (4) having measuring grids, and the measuring grids of the strain gauges (4) are at least partly located in the bearing area of the tube-like deformation zone (3). According to the invention, the height H of the tube-like deformation zone does not exceed 1.5 times the overall measuring grid height M and the overall measuring grid height M corresponds to the measuring grid height h or, if multiple strain gauges (4) are arranged one above another in the axial direction at the same radial position, the overall measuring grid height M is defined as the sum of the measuring grid heights (h1+ h2+...hx) of the measuring grids of the strain gauges (4) that are arranged one above another.