A measuring apparatus and a measuring method capable of measuring a surface of an object includes a movable body having a mounting portion on which the object is mounted, and first and second surfaces not coplanar with each other, a first scale portion provided to press the first surface and to measure a first scale position along a first scale axis parallel to a normal direction of the first surface, a second scale portion provided to press the second surface and to measure a second scale position along a second scale axis parallel to a normal direction of the second surface, a first probe having a reference point of position measurement set on a probe axis parallel to the second direction and at an intersection of the first scale axis and the second scale axis, and a second probe measuring a position along the probe axis.

A wheel blank inspection device is composed of a rack, a lower adjusting guide rail, a lower adjusting cylinder, a first left sliding table, a first gear rack, a first right sliding table and the like. A wheel rotates a circle at a low speed, when a first piezoelectric sensor, a second piezoelectric sensor and a third piezoelectric sensor do not pick up signals and probes of a first intelligent meter, a second intelligent meter and a third intelligent meter are in a compressed state all the time, the wheel blank is qualified, otherwise, the wheel blank is deformed greatly and unqualified. After inspection, the qualified blank enters a normal lower transfer roller bed, and the unqualified blank enters a reject roller bed.

A measuring apparatus for measuring surface topography of the slides to be measured of a guide rail is provided. The measuring apparatus includes a plurality of detecting probe and at least one moving device. The detecting probes are mounted on a probe support according to the surface topography of the slides to be measured. The moving device shifts the probe support or the slides to be measured on the cross section of the guide rail so that the detecting probe has a displacement relative to the slides to be measured. Each of the detecting probes has a corresponding coordinate system, and the corresponding coordinate system is different from each other. A standard part is utilized to correct deviations among the corresponding coordinate systems to the same coordinate system, and then the same coordinate system as a benchmark to measure the surface topography of the slides to be measured.

A device for detecting concave-convex of a flange face of a wheel is composed of a frame, a jacking cylinder, lower guide posts, a lifting table, a support column, an inner ring adjusting cylinder I, an inner ring guide rail, an inner ring adjusting cylinder II, an inner ring sliding block I, an inner ring sliding block II, an electric cylinder I, an electric cylinder II, a detection bar I, a detection bar II, piezoelectric sensors, an outer ring adjusting cylinder I, an outer ring adjusting cylinder II, an outer ring guide rail I, an outer ring guide rail II, an outer ring sliding block I, an outer ring sliding block II, an electric cylinder III, an electric cylinder IV, a detection bar III, a detection bar IV and the like.

A measuring apparatus for measuring surface topography of the slides to be measured of a guide rail is provided. The measuring apparatus includes a plurality of detecting probe and at least one moving device. The detecting probes are mounted on a probe support according to the surface topography of the slides to be measured. The moving device shifts the probe support or the slides to be measured on the cross section of the guide rail so that the detecting probe has a displacement relative to the slides to be measured. Each of the detecting probes has a corresponding coordinate system, and the corresponding coordinate system is different from each other. A standard part is utilized to correct deviations among the corresponding coordinate systems to the same coordinate system, and then the same coordinate system as a benchmark to measure the surface topography of the slides to be measured.

The present invention provides a method for shape error in-situ measurement of toruses, and is realized based on a system for shape error in-situ measurement of large-scale toruses. The system for in-situ measurement comprises an attitude adjusting part, a rotating part and a measuring part. The attitude adjusting part comprises an attitude adjusting platform, an attitude adjusting platform motor and an adapter panel; the rotating part comprises a rotating index plate base and a high-precision rotating index plate; and the measuring part comprises a sensor clamp, sensor holders, contact sensors and associated equipment. The present invention realizes the application of the three-point method in shape error measurement of the torus, also realizes algorithm improvement of the three-point method in realizing shape error in-situ measurement of the torus, can realize shape error in-situ measurement of the torus, can greatly reduce the processing time of the part and can reduce the influence of repeated clamping on part precision.

The measuring device according to the present invention includes: a measuring element that contacts with an object to be measured; a detector that detects a displacement amount of the measuring element in a process in which the measuring element slides relatively in a certain direction on a surface of the object to be measured during time from a measurement start to a measurement end; a storage unit; a data collecting unit that acquires the displacement amount detected by the detector in a predetermined cycle and causes the storage unit to successively store the displacement amount; a display unit that can perform graphical displaying; and a display controller that causes the display unit to display predetermined information on the basis of a displacement amount for each predetermined cycle.

The measuring device according to the present invention includes: a measuring element that contacts with an object to be measured; a detector that detects a displacement amount of the measuring element in a process in which the measuring element slides relatively in a certain direction on a surface of the object to be measured during time from a measurement start to a measurement end; a storage unit; a data collecting unit that acquires the displacement amount detected by the detector in a predetermined cycle and causes the storage unit to successively store the displacement amount; a display unit that can perform graphical displaying; and a display controller that causes the display unit to display predetermined information on the basis of a displacement amount for each predetermined cycle.

A sensor roller for determining planarity errors and/or for determining the tension of a strip tangentially engaging the roller has a roller body rotatable about an axis, having an outer surface, and formed with a plurality of radially outwardly open recesses axially spaced on the surface. Rigid sensor bodies each in a respective one of the recess each have an outer surface generally flush with the outer surface of the roller body. Each sensor body forms with a side surface of the respective recess a peripheral circumferentially fully extending gap. Respective force-measuring sensors in the recesses are each braced between a respective one of the sensor bodies and the roller body radially inward of the respective sensor body. An annular weld seam of welding compound is formed in each of the gaps

A device (20) for characterizing a tire (10) in terms of uniformity; comprises: a frame (22), a rotary support (24) mounted with the ability to rotate relative to the frame (22) and on which the tire (10) is placed and which is intended to be set in rotation at low speed, at least two geometric measuring members (28a, 28b) secured to the frame (22) and positioned respectively in such a way as to measure the internal geometry and the external geometry of the tire (10) simultaneously as the rotary support (24) rotates, a measuring member (29) for measuring the angular position of the rotary support (24) secured to the frame (22), and an electronic control unit (30) configured to retrieve the variations in the internal and external geometry of the tire for each angular position of the rotary support.