An assembly for acoustically influencing toothed wheels, including at least one first toothed wheel having teeth and one second toothed wheel having teeth, wherein the teeth have flanks, wherein at least one flank of a tooth of the first toothed wheel can be engaged with a flank of a tooth of the second toothed wheel, wherein at least one flank of a tooth of the first toothed wheel forms a contact zone or, in the ideal case, a contact line with an engaging flank of a tooth of a second toothed wheel, wherein the contact zone or the contact line is formed at an angle .sub.Aq, in particular between 5 and 85 or between 95 and 175, in relation to an axis of an undulation, a microangle distribution, and/or a microangle periodicity of the engaging flank of the tooth of the second toothed wheel.

Method for the optical measurement of at least one measurand on a workpiece, including: providing a workpiece to be measured, wherein the workpiece comprises a cyclically symmetrical geometry, such as a toothing or the like; specifying the at least one measurand on the workpiece; providing a measuring device having an optical measuring system for the contactless measurement of the measurand on the workpiece, wherein the optical measuring system has an optical sensor; measuring the at least one measurand on the workpiece using the optical measuring system;
characterized by providing at least one geometrical parameter of the workpiece to be measured; and determining at least one measurement parameter for carrying out the optical measurement on the basis of the at least one measurand on the workpiece and/or the at least one geometrical parameter of the workpiece to be measured.

A measurement method for a grooved axially symmetric body involves detecting the geometry of the peripheral surface of the axially symmetric body, reconstructing a virtual profile corresponding at least to the profile of the lateral flanks of a plurality of recesses or grooves of the peripheral surface of the grooved axially symmetric body, generating a plurality of virtual rounded bodies of a predetermined size and placed each at a tangent to a corresponding pair of lateral sides and making one or more measurements using a centre or another point belonging to said virtual rounded bodies as a reference point.

A method and machine comprising at least one non-contact sensor (52) on a functional testing platform (50) for workpiece inspection and/or measurement. The inclusion of at least one non-contact sensor on the functional testing platform results in the combination of two machine platforms into a single machine and provides the user with measurement characteristics of both methods, functional and analytical, saving significant cycle time and significant space.

Method for analyzing surface waviness of tooth flanks of a gearwheel, comprising measuring two or more teeth of the gearwheel, wherein a deviation of their tooth flank geometry from the setpoint geometry is measured along at least one measuring path on each of the teeth; measuring at least one further tooth, wherein a deviation of its tooth flank geometry from the setpoint geometry is measured along at least one partial measuring path whose length is less than the length of the measuring path; and/or measuring at least one further tooth, wherein a deviation of the tooth flank geometry from the setpoint geometry is measured by touching at least one point on the tooth flank; associating a rotational angle with each measured value and determining a geometrically captured order spectrum by order analysis of the deviations plotted over the rotational angle, wherein one or more compensation and/or interpolation functions are determined.

An inspection device for contactless three-dimensional inspection of a circular, mechanical component with toothing having a main axis of rotation. The device is configured to scan the teeth by at least one first pair of laser measurement modules and rotationally drive the component about the main axis relative to the laser measurement modules. The device then rebuilds a virtual three-dimensional representation of the component using data coming from said scanning and performs a dimensional inspection using the three-dimensional representation. Each pair of modules includes a first module oriented towards a first face of a tooth and a second module oriented towards a second face of a tooth. The modules are oriented relative to the component so that during a rotation of the component, the laser measurement modules scan the first and second faces of each tooth throughout their thickness and depth.

An apparatus for inspecting and/or measuring a gear wheel workpiece, which comprises: a first workpiece spindle for fastening and rotationally driving the gear wheel workpiece, a rotational drive for rotationally driving the gear wheel workpiece when it is fastened on the first workpiece spindle, measuring means for inspecting and/or measuring the gear wheel workpiece when it is fastened on the first workpiece spindle, wherein the rotational drive is designed to rotationally drive the gear wheel workpiece including the first workpiece spindle during a measurement and/or inspection phase, while the measuring means is used for inspecting and/or measuring the gear wheel workpiece, rotationally drive the gear wheel workpiece including the workpiece spindle during a spinning phase to spin off a liquid.

A process for aligning a laser in a gear inspection system is disclosed. The method comprises fixing a gear for inspection within a gear inspection system and emitting a first signal from a laser to a point of interest of the gear. A reflection of the first signal is received as the first signal reflects off the point of interest of the gear. Based on the reflection of the first signal, an orientation of the laser is adjusted. Subsequently, a second signal is emitted from the laser to the point of interest of the gear, and a reflection of the second signal is received as the second signal reflects off the point of interest of the gear. Values corresponding to the orientation of the laser are stored based on the reflection of the second signal.

A measurement device having an axis of rotation, at least one controlled axis, a receptacle for a component to be measured rotationally-drivable around the axis of rotation, and having an optical, contactlessly operating measuring arrangement having a light source, an optics arrangement, and an optical detector, wherein the measuring arrangement is configured for emitting a light beam from the light source along an optical axis in the direction of an object plane of the component, guiding light components having different wavelengths, which were reflected on the object plane, through the optics arrangement in the direction of the optical detector, and wherein the optics arrangement comprises a first partial device and a second partial device, wherein the first partial device is fixedly connected via an optical waveguide to the detector, and wherein the second partial device is removably arranged on the first partial device.

A gear inspection apparatus includes: a measurement unit which has a probe installed to be movable forward and rearward relative to a work gear rotatably mounted on a frame, and measures a dimension of the work gear, which rotates, by a measurement ball provided at a tip of the probe; a drive unit which is installed on the frame so as to be connected to the measurement unit and moves the probe forward and rearward; and a controller which receives a displacement measurement value related to a position of the probe which is measured by the measurement unit, and converts the displacement measurement value into a digital value.