automated metrology, driven by tighter engineering toler- ances and more complex situations even in high-volume industries, such as automotive. “If the measuring task is complex and demanding, automation is often the right solu- tion,” said Blind. But there is more than tighter tolerances or complexity at work. Especially in automotive, product liability concerns in recent years means OEMs are requiring more commitment from their suppliers. “Globalization is also forcing this commitment, which means [they need] more consistency and uniformity in the parts they deliver,” explained Blind.
Optical and Tactile While Jenoptik provides optical, tactile, and air gaging solutions, each of which are delivered in automated sys- tems, Blind stressed that what makes optical solutions especially desirable is their fl exibility. They are easier to repro- gram for new parts and applications. This need is becoming more important for a simple reason—uncertainty. “The uncertainty of the future is easy to predict,” he said. Volumes go up and down, model changes proliferate, mak- ing easy reprogramming vital. A good example of their technology that adapts to uncertainty is the latest generation of the Opticline optical shaft measuring devices released in October 2015. These measure profi les of shaft-like parts (think crankshafts or camshafts), boasting maximum allow- able error, or MPE, values of less than 2 µm, according to the company. The new series features an all-new 0.1-µm high-resolution camera for evaluat- ing shaft-like parts up to 150 mm in diameter and 900 mm in length. Mea- surements include workpiece profi les, diameters and spacing, angle or radii, threads, rotation angles, and form as well as geometric tolerances, or outer contours of high-precision workpieces.
Measuring profi les are easily changed as the part numbers change. It is made for the shop fl oor, with hermetically sealed optics that keep dust or oil mist from interfering with measurements. However, optical measurements cannot do
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March 2016 |
AdvancedManufacturing.org 67
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