Machine tools
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United States of America Patent
Stats
-
Jun 26, 1990
Grant Date -
N/A
app pub date -
Mar 16, 1987
filing date -
Jul 23, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A machine tool includes an elongate tool holder which is mounted by a pair of spring strips for pivotal movement on a mounting. One end of the tool holder carries the tool while the other end of the tool holder is moved by an actuator via a rod. Tool positioning signals are fed to the actuator in digital form and are converted to analogue form by a digital-to-analogue converter before being applied to the actuator. The tool holder is of light-weight and low inertia and can thus effect rapid changes of tool position, so exploiting to the full the high rates of positioning signal production of modern machine tool control systems.
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