Modern Machine Shop

AUG 2018

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MMS AUGUST 2018 282 IMTS 2018 Inspection and Measuring Hardness Testers Feature Electronic Control Mitutoyo's HR-530-series Rockwell hardness testers include the HR-530 and HR-530L. The HR-530 accommodates specimens as tall as 250 mm and as deep as 150 mm. The HR-530L accommodates specimens as tall as 395 mm and as deep as 150 mm. The series features an electronic control giving it capabilities for Rockwell, Rockwell Superficial, Rockwell testing of plastics (A & B) and Light Force Brinell hardness testing. All models test hardness of an inside ring wall with- out cutting the ring. The minimum diameter that can be tested is 34 mm, but inside diameters as small as 22 mm can be tested using the optional 5-mm diamond indenter. A color touch screen displays results of statistical calculations and graphic functions which can be stored as text data. The testers feature a numeric display of statistical analysis results, including maximum and minimum values, mean value, and graphic display of X-Bar & R control charts and his- tograms required for hardness evaluation. A nose-type indenter enables measurement on a flat-top surface of a specimen and the inside surface of a cylindrical specimen. Pressing the foot switch or the start button enables continuous testing when testing multiple workpieces with the same height. | Mitutoyo America Corp. | East, Level 3, Booth 135215 Sensor Enables Roughness Measurements on CMMs The Zeiss Rotos roughness sensor enables a coordinate measuring machine (CMM) to inspect surface wavi- ness and roughness, even on complex workpieces. The sensor is said to simplify and speed the measurement of surface parameters in a single measurement cycle without reclamping. The sensor checks the size, form and location tol- erances along with roughness parameters. Significant form deviations can be analyzed on the company's Prismo and CenterMax CMMs, rather than on separate stylus instruments. The sensor can be exchanged as needed using an interface on the CMM probe. Depending on the measuring machine and the particular stylus, the sensor can capture Ra roughness values as fine as 0.03 micron. The sensor's design enables inspection of many workpiece characteristics. With three rotatable, multi- ple-stylus arms, it measures deep boreholes and dif- ficult-to-reach surfaces and overhead measurements. The sensor also features skidless styli for measuring roughness and waviness on sealing faces. Programming the surface parameters is integrated in the company's Calypso measuring software. | Zeiss IM & MIC | East, Level 3, Booth 135502

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