Abstract:
A test surface of a test object is measured with respect to a reference surface to generate a first relative surface measurement, where the test surface is in a first position relative to the reference surface. The test surface is measured with respect to the reference surface to generate a second relative surface measurement, where the test surface is in a second position relative to the reference surface different from the first position. Estimates of a rotationally varying part of a measurement of the test surface and a rotationally varying part of a measurement of the reference surface are provided. An estimate of a rotationally invariant part of the measurement of the test surface is calculated at a plurality of radial values based on a combination of the relative surface measurements, the provided estimates, and a difference between the first and second relative positions.
Abstract translation:测试对象的测试表面相对于参考表面进行测量以产生第一相对表面测量,其中测试表面相对于参考表面处于第一位置。 测试表面相对于参考表面测量以产生第二相对表面测量,其中测试表面相对于不同于第一位置的参考表面处于第二位置。 提供了对测试表面的测量的旋转变化部分的估计和对基准表面的测量的旋转变化部分。 基于相对表面测量结果,提供的估计值以及第一和第二相对位置之间的差值,在多个径向值处计算测试表面的测量的旋转不变部分的估计。 p >
Abstract:
The invention relates to a length sensor with a relatively large measuring zone, that is with a large lift of the stylus (2), wherein a plurality of helical springs (7, 8) are arranged one behind the other in order to pretension the stylus (2). A ball bearing arrangement (4) is interposed between two helical springs (7, 8) and bears the stylus (2) in such a manner that it can be displaced in the longitudinal direction X and is mounted itself on the base (1) so as to be displaceable in the longitudinal direction X.
Abstract:
An optical displacement measuring device capable of receiving a large signal by increasing an effective light receiving area portion, and being hardly affected by spots in the luminance of a light source or scratches and dust on a glass scale, the device comprising a plurality of light receiving element rows each consisting of a plurality of light receiving elements, and a plurality of light receiving element groups each consisting of a plurality of light receiving element rows, wherein the plurality of light receiving element rows are arranged to be deviated a preset distance from one another in a glass scale moving direction, and the plurality of light receiving element groups are arranged to be deviated a preset distance from one another in a glass scale moving direction. When the width of an effective light receiving portion is set to be larger than that of a non-effective light receiving portion, one or a plurality of light receiving element rows each having a plurality of light receiving elements and a plurality of light receiving element groups each having a plurality of light receiving element rows can be provided.
Abstract:
The invention relates to an apparatus for measuring the radial distance between plate or rubber web (27) on a plate cylinder or rubber cylinder (25), respectively, of an offset printing press and a cylindrical reference surface (28) at an end surface of the cylinder. The apparatus comprises a V-shaped measuring body (1) applied to the rubber web (27) with elongated rolls (5, 6) journalled on the measuring body and in contact with the web. A support plate (18) protruding from one end of the measuring body is mounted detachable and supports a measuring gauge (21) provided with a measuring point (22) applied to the cylindrical reference surface (28), which support plate (18) preferably has a shortest length from the measuring gauge (21) to the nearest end surface of the rolls (5) prescribed by the construction of the offset printing press.
Abstract:
A system and method identifies road features that may not appear on a map database, such as paths not described as roads on the map database, and whether all the roads at a crossing cross at the same grade level.
Abstract:
An axial movement linear gauge includes a support and protection structure (21) that defines a longitudinal axis, a spindle (11) movable along the longitudinal axis with an external surface on which a longitudinal groove (12) is achieved, a feeler (14), a position transducer (32), a thrust device (36) for thrusting the spindle with respect to the support and protection structure, guide devices (22) for guiding movements of the spindle along the longitudinal axis with respect to the support and protection structure, and an antirotation system for preventing rotations of the spindle about the longitudinal axis that includes antirotation elements (50,51), stationary with respect to the support and protection structure, cooperating with the longitudinal groove. The guide devices can be integrally embodied with a locking element that cooperates with the support and protection structure for defining an operative position of the guide devices with respect to the support and protection structure.
Abstract:
An apparatus (10) for calibrating measuring instruments, such as bore gauges and the like, comprises means (12) for supporting the apparatus and calibrating means having contact means for the respective measuring ends (15, 17) of the instrument to be calibrated, these means being, for each measuring end of the instrument to be calibrated, in the form of a first and a second contact surface (31, 33d) . The apparatus also comprises at least one adapter element (50) on at least one of the contact surfaces of the calibrating apparatus, this adapter element (50) being designed to receive and support a respective end of the measuring instrument by adjusting to its profile. The adapter element (50) comprises means which engage a respective end of the measuring instrument and which are made in such a way that they can receive different measuring instruments.
Abstract:
An apparatus (10) for calibrating measuring instruments (11), such as bore gauges and the like, comprises means for supporting the apparatus, means for calibrating the instrument and at least one adapter element (50), that holds a desired instrument to be calibrated on the calibrating means.
Abstract:
The present invention relates to a method of calibrating a crimp measuring gauge (1) of the type comprising a housing (7), a plurality of pivotable jaws (3) circumferentially located about a longitudinal axis (Y ), collet (9) enclosing the jaws and slidable relative thereto to pivot the jaws between open and closed positions, and a longitudinally orientated telescopic member (8) which is biassed into a fully extended position. The telescopic member is operatively coupled to a display means (6) for indicating the axial displacement of the telescopic member. The method comprises the steps of inserting a standardised body (10) of known shape and size into the gauge (1) to contact and axially displace the telescopic member (8) relative to the housing (7), sliding the collet (9) so as to pivot the jaws (3) to their closed position. The standardised body is then released such that the telescopic member urges the standardised body into contact with the jaws thereby fixedly locating the standardised body both radially and longitudinally relative to the gauge. The display means is then to thereby calibrate the gauge.