A semiautomated method and system (30) for swaged coupling process verification are provided. The system nondestructively measures swage groove depth (A) of a swaged coupling (10) for a tube (20). The tube has an inner surface with a first inside diameter at a first distance from a swaged end (22) of the tube and a second inside diameter at a second distance from the swaged end of the tube that is less than the first distance. The swage groove depth is the difference between the first inside diameter and the second inside diameter. The system includes a probe case (38) and a probe (40) that extends from the probe case. The probe has a probe tip (92) that is arranged to contact the inner surface of the tube and deflect in response to changes in the inner diameter of the tube. A transducer (42) generates a signal that is indicative of the inner diameter of the tube in response to deflection of the probe tip. The signal has a first magnitude when the probe tip is at the first distance. A centering device (34) that has first and second ends is slidably received about the probe. The probe is fully inserted into the tube. The first and second ends of the centering device abut the probe case and the tube, respectively, and the probe tip contacts the inner surface of the tube at the first distance. A processor (36) that is coupled to receive the signal indicative of the inner diameter of the tube is provided. The first magnitude is recorded, and the probe tip is withdrawn from the first distance until the probe tip is within the swage groove at the second distance. The signal has a second magnitude when the probe tip is within the swage groove at the second distance and the second magnitude is recorded. The processor determines the swage groove depth from a difference between the first and second magnitudes of the signal.
An instrument for checking dimensional accuracy of a surface or a toothing of a workpiece comprises a measuring head with two diametrically opposite, radially movable checking elements which bear against a surface to be checked and the radial movements of which, caused by irregularities of the surface, are transmitted to a perpendicular drive needle. The movement of the drive needle is registered by a measurement sensor. The axial movement of the measuring head in the workpiece is registered by a travel sensor. The measurement sensor and travel sensor are electronic components, the measurement signals of which can be processed and displayed by electronic data-processing apparatus.
A measuring apparatus is provided, in which a machined part is measured very simply and rapidly without affecting the effect unique to a machining center and the correction work with the measuring work can be immediately performed. The apparatus comprises a base mounted removably on a spindle of a machining center A, a slider provided in the axial center of the base in such a manner as to be slidable by operation of an operating unit exposed outside of the base, probes adapted to slide into and out at equidistant positions on the outer peripheral surface at the forward end of the base and adapted to protrude through an appropriate interlocking mechanism when the slider slides in one direction, and a display unit arranged outside of the base for detecting, through a detector, the size of the portion of the probe protruded with the sliding of the slider and displaying the measurement of the detector, wherein the machined part is measured immediately after machining.
