Mahr - Product Catalog Page 627
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Engineered Solutions MarSolution Customer-specific Measuring Devices Dynamic measurements of the inner diameter of cylinder bores and wall thicknesses • The cylinder liner measuring machine is a standalone version for automatically measuring the inner diameter of bores and the wall thickness of a diesel cylinder liner. • A handling device allows fully automatic loading and unloading. The measuring machine is directly integrated in the production line. The cycle time for a complete measurement is less than 2 seconds. • The measuring instrument consists of three stations: • The first station is the charging station where the temperature of the socket is measured. • At the second station the inner diameter of the bore is measured using a pneumatic plug gage. The second station also contains the diameter setting master for the pneumatic plug gage; the plug gage is automatically calibrated at regular intervals. This process guarantees maximum measuring accuracy and stability of the measuring results, even in the harshest of manufacturing environments. • At the third station a tactile measurement determines the wall thickness of the socket. The probes are automatically positioned at the relevant measuring points after loading. The wall thickness measurement takes just seconds. The probes are parked before the socket is removed from the measuring device to minimize wear to the contacting measuring elements. Dynamic measuring of deformations in half-bearings • Type 2152447 is an automatic standalone measuring instrument for measuring dimensional changes caused by pressure to half-bearings (e.g. for connecting rods). • The half-bearing is automatically conveyed into the measuring machine and inserted into the relevant test chamber (semicircular holder), secured at one side, and a defined pressure is applied to the other free side (e.g. according to the operating mode of the subsequent motor assembly). A tactile probe system simultaneously measures the dimensional change circumferential to the half-bearing. After the measurement, the half-bearing is removed by the handling device. • To ensure measuring accuracy throughout the process, the measuring device is automatically calibrated at regular intervals using a setting master. • The entire process is computer-controlled with user-definable force parameters. Measuring records and databases can be created. Measuring device for checking diameters on large rings • Large rings (e.g. bearing rings) are subject to the most stringent tolerances. Checking these requires flexible measuring equipment that can cover a range of inner and outer diameters. • The measuring device for large rings means that inner and outer diameters can be measured with just one device. • It can measure inner diameters from 63.5 mm up to maximum 825 mm and outer diameters from 76.2 mm up to maximum 831 mm. For more information, please visit our website: www.mahr.com Engineered Solutions | Customer-Specific Measuring Technology 623
708 Pages | Valid until 12/2023 | Previous page | Next page
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