Physik Instrumente (PI) L.P. (Auburn,
MA) has introduced the M-660 rotary table
driven by piezo motors that enable a profile
of 14 mm. The
table is equipped
with a direct measuring en coder. It
can accelerate to
velocities of 720
its directly coupled
optical encoder resolves position down to 4 μrad, providing
phase-lag-free, backlash-free feedback
to the servo controller. A self-clamping
ceramic drive provides high stability.
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This week's Question: Fox Sports offered virtual-reality streams from last week's U.S. Open, a major golf championship in Oakmont, PA. Sports fans who owned the right devices could watch the golf event on the television while using VR for...
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