BIESSE S.p.A. Woodworking Machinery
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This chapter contains different subjects that will assist in the initial learning process for machine
operation.
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Any mobile element of the machine that requires its position to be controlled at all times is known
as an “axis”.
Usually axis movements are controlled by a device known as an encoder, which is positioned on
the motor that drives the axis. The encoder detects the revolutions of the motor and transmits this
information to the numerical control, where it is processed and displayed in the form of millimetres
or sexagesimal degrees. It is also possible that the movement of an axis does not occur using a
motor but instead, for example, through the action of pneumatic actuators. In this case, switches to
detect the axis limit switch position only will be present in place of the encoders.
To calculate the position of an axis, if it is equipped with a motor and encoder, it is necessary to
establish two points of reference: one fixed point, known as the “origin” (or zero point
), and
another, mobile point on the axis itself.
Summary of Contents for EB 70
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