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Automatic tool changer
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<p>In <a href="/facts/Machining/Yrjfj6IV">machining</a>, an automatic tool changer (ATC) is used in <a href="/facts/Computerized_numerical_control/B2c7UbaX">computerized numerical control</a> (CNC) <a href="/facts/Machine_tools/XPHaqz0p">machine tools</a> to improve the production and tool carrying capacity of the machine. ATCs change <a href="/facts/Tool_bit/mlovCbAr">tools</a> rapidly, reducing non-productive time. They are generally used to improve the capacity of the machines to work with a number of tools. They are also used to change worn out or broken tools. They are one more step towards complete automation. </p>