Abstract:
A feeler device (1) of workpieces being machined, in particular for measurement instruments (2) of workpieces being machined on machine tools, of the type comprising a head (7) including control and measurement members, and a pivoting arm (6) extending in an operating position between the head (7) and a workpiece (3) being machined, the pivoting arm (6) comprising a pivot (10), a base portion (11) extending between the head (7) and the pivot (10), and an end portion (12) extending between the pivot (10) and the workpiece (3) being machined, control means (13) of the pivot (10) being provided, to allow movements between the base portion (11) and the end portion (12) in the event of forcing on the end portion (12).
Abstract:
A measuring device including a support base, a movable arm, having an extension prevailing along a longitudinal direction and rotatable with respect to the support base along a rotation axis skewed with respect to the longitudinal direction, a probe constrained to the movable arm, apparatus for measuring oscillation of the movable arm, first magnet including at least one first magnetic element constrained to the movable arm, at least one second magnetic element constrained to the support base and not oscillating with the movable arm, the first magnetic element and the second magnetic element reciprocally movable along a movement trajectory having prevailing extension along the longitudinal direction, the first magnetic element and the second magnetic element exerting magnetic force on each other in at least one position along the movement trajectory.
Abstract:
Provided is a balancing device for positioning integrally to a rotating body configured to be placed in rotation around a rotation axis, including a plurality of storage means arranged in positions offset to the main rotation axis, at least one element suitable for winding wound in correspondence with a plurality of storage means, and transfer means configured to wind the elements configured for winding around storage means and to consequently vary the distribution of the mass of the elements suitable for winding over several storage means so as to balance the mass of said rotating body.
Abstract:
Provided is a balancing device for a rotating body defining a rotation axis and including a plurality of balancing heads aligned along the rotation axis, each balancing head including, balancing masses configured to be moved at least along a movement circumference to cancel out the unbalance of the rotating body; at least one motor configured to move said balancing masses independently of each other, the balancing masses belonging to different balancing heads being reciprocally distanced along the rotation axis; and unbalance detectors including a plurality of vibration detectors configured to measure the vibrations caused by the unbalances of the rotating body.
Abstract:
Provided is a balancing device for positioning integrally to a rotating body configured to be placed in rotation around a rotation axis, including a plurality of storage means arranged in positions offset to the main rotation axis, at least one element suitable for winding wound in correspondence with a plurality of storage means, and transfer means configured to wind the elements configured for winding around storage means and to consequently vary the distribution of the mass of the elements suitable for winding over several storage means so as to balance the mass of said rotating body.
Abstract:
Provided is a balancing device for a rotating body defining a rotation axis and including a plurality of balancing heads aligned along the rotation axis, each balancing head including, balancing masses configured to be moved at least along a movement circumference to cancel out the unbalance of the rotating body; at least one motor configured to move said balancing masses independently of each other, the balancing masses belonging to different balancing heads being reciprocally distanced along the rotation axis; and unbalance detectors including a plurality of vibration detectors configured to measure the vibrations caused by the unbalances of the rotating body.
Abstract:
Provided is a balancing device for a rotating body defining an axis of rotation, including a plurality of balancing heads aligned along the axis of rotation, each balancing head including: balancing masses configured to be moved at least along a circumference of movement so as to cancel the unbalance of the rotating body; at least one motor configured to move the balancing masses independently, the balancing masses part of different balancing heads being mutually spaced along the axis of rotation; unbalance detecting means including a plurality of vibration detectors configured to measure the vibrations caused by the unbalance of the rotating body.
Abstract:
Provided is a measuring head (1) for a feeler (2) of workpieces (3) being machined, including a fixed portion (10) to be secured to an outer fixed support, a movable portion (11) including a constraint element (14) for a feeler arm (4), a rotational hinge (12) adapted to connect the fixed portion (10) to the movable portion (11), wherein the fixed portion (10), movable portion (11) and pivot bearing (12) are of one piece construction.
Abstract:
A modular structure (1) for temporary exhibitions comprises at least one shaft component (2), at least one sheet (3) with at least one fixed end (3a), which is fastened to the shaft component (2) and at least one free end (3b) opposite the fixed end (3a), and a releasable fastening mechanism (11) capable of fixing the free end (3a) to the shaft component (2) and in which the shaft component (2), comprises rolling means (6) for the sheet (3).
Abstract:
A precision sensor assembly for rotating members in a machine tool comprises a rotor unit (16) rigidly fixed to a rotor portion (2a) of the machine tool and including a sensor (5) for detecting vibrations produced by the operation of the machine tool, the sensor (5) comprising a piezoelectric sensitive element (6) and members (7, 8) for mechanical amplification of the vibrations. The members (7, 8) comprise at least one resonant system composed of an elastic element (8) and a counter-mass (7) acting on the piezoelectric sensitive element (6). The rotor and stator units (16, 17) comprise inductively coupled transmitting and receiving elements (10, 11) for transferring the signals from the piezoelectric element (6) contactless to the stator unit (17). The stator unit (17) may include an electric amplifier (13) for further amplifying the transmitted signals.