ABSOLUTE MACHINE TOOLS has added the You Ji VMT vertical mill/turn center series to its line of large vertical turning lathes by You Ji (Kaohsiung City, Taiwan). Combining vertical and horizontal five ...

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Many motion applications require high accuracy during and at the completions of moves. Even with perfectly optimized PID (proportional, integral, derivative) values to control position, the ...

Kitamura builds its boxway machines for speed and accuracy. Mention boxway machines, and the first thought that comes to mind are strong, rigid, high-torque machines effortlessly plowing through heavy ...

Can we improve performance by adding control elements external to the PID loop? Yes. Here we consider torque control and the related subject of torque feedforward — which can make systems run more ...