A balancing device for each rotating piece, the rotating piece defining an axis of rotation, the balancing device including: a fixed portion, a mobile portion defining a central axis. The balancing device constrained to the rotating piece so that the central axis substantially coincides with the rotation axis. The balancing device including at least one eccentric mass, rotatable around the central axis and not balanced with respect to the central axis. The balancing device further including apparatus for movement of the eccentric masses, including a magnetic brake and being able to rotate the eccentric masses, with respect to the rotating piece around the central axis.

A device for removing burrs from bolt holes of an aluminum alloy wheel is composed of a frame, a support plate, clamping guide rails, clamping motors, clamping sliders, support rods, clamping wheels, racks, gears, a brush disc, a support sleeve, a feed slide, guide pillars, a feed linear motor, a pitch adjustment linear motor, a conical pitch head, horizontal push rods, sliders, springs, burr brush drive motors and burr brushes. The device can meet the requirements of an automatic production line and can be used for automatically removing burrs from the inner walls of bolt hole countersinks. The device has certain flexibility and can adjust pitch diameter, can be used for removing burrs from bolt hole countersinks having different diameters, and is easy to manufacture, economical, practical and convenient to operate.

A device for removing burrs from bolt holes of an aluminum alloy wheel is composed of a frame, a support plate, clamping guide rails, clamping motors, clamping sliders, support rods, clamping wheels, racks, gears, a brush disc, a support sleeve, a feed slide, guide pillars, a feed linear motor, a pitch adjustment linear motor, a conical pitch head, horizontal push rods, sliders, springs, burr brush drive motors and burr brushes. The device can meet the requirements of an automatic production line and can be used for automatically removing burrs from the inner walls of bolt hole countersinks. The device has certain flexibility and can adjust pitch diameter, can be used for removing burrs from bolt hole countersinks having different diameters, and is easy to manufacture, economical, practical and convenient to operate.

An enhanced adjustment device (10) for machining flat sheets by way of a grinding machine (11), said device being applied to a motorization assembly (12) used to motorize a grinding tool (14) secured to a spindle (16) constrained to a support structure (18) by way of a guide (20) and suitable for implementing an incremental displacement of said grinding tool (14) with respect to an edge of a sheet for compensating for the wear of said tool, comprising mechanical means for automatically/manually enabling/disabling a sliding movement of said spindle (16) with respect to the support structure (18).

An enhanced adjustment device (10) for machining flat sheets by way of a grinding machine (11), said device being applied to a motorization assembly (12) used to motorize a grinding tool (14) secured to a spindle (16) constrained to a support structure (18) by way of a guide (20) and suitable for implementing an incremental displacement of said grinding tool (14) with respect to an edge of a sheet for compensating for the wear of said tool, comprising mechanical means for automatically/manually enabling/disabling a sliding movement of said spindle (16) with respect to the support structure (18).

Balancing system for a rotating spindle (3) of a machine tool (1); the balancing system has a rotating part comprising a balancing head (7) with at least one balancing mass (8) and at least one electric motor (9) which is adapted to regulate the position of the balancing mass; the rotating part also includes a vibration sensor (10) and a control system (11) with at least one hardware (12) and at least one software (13) executed by the hardware; the balancing system also includes a two-way contactless communication system (14) which establishes communication between the rotating control system and a fixed processing and control electronics (15) connected to a machine tool control unit (20). The software of the control system features: a management application (19) which performs all the management of the balancing head and the vibration sensor during normal operation, and a service application (18) which, when the control system is powered after a suspension of the power supply, automatically starts up and starts the management application or, if a software update is required, overwrites the existing version of the management application with a new version.

The present disclosure provides a grinding wheel apparatus comprising a grinding wheel, a flange, a pull rod and a spindle. The grinding wheel is mounted on one side of the flange, and the other side of the flange is a tapered bucket, the tapered bucket has a buckle slot. The pull rod passes through the spindle, and a pull rod head of the pull rod is fixed to one end of the spindle, the tapered bucket is inserted into the spindle from the other end of the spindle, and the buckle slot is engaged with the T-shaped buckle of the pull rod in the spindle to fix the flange on which the grinding wheel is mounted to the other end of the spindle. The present disclosure further provides a grinding wheel cutting apparatus comprising the grinding wheel apparatus, and a cutting method using the grinding wheel cutting apparatus.

A sanding tool includes a machine body, a power supply, a base plate assembly, a drive mechanism, and a control mechanism. The machine body includes a casing. The base plate assembly includes a base plate. The drive mechanism is disposed in the casing and includes a motor and an output shaft, the motor has a motor shaft rotating around a first axis, the output shaft rotates around a second axis, and the output shaft transmits power to the base plate assembly. The control mechanism is electrically connected to the motor and configured to control the sanding tool to operate. The first axis and the second axis form an included angle and are not in the same plane. A battery pack and the motor are disposed on two sides of the output shaft.

The present invention discloses an automatic high-shear low-pressure force-controlled grinding device for a complicated curved surface and a machining method thereof, which belong to the field of complicated curved surface grinding technologies of difficult-to-machine materials. The device comprises a base, columns, an industrial robot, an electrical spindle, a force-controlled floating work holder, a workpiece chuck, a grinder plate, a six-dimensional force sensor, a rotary table, a triaxial precision displacement table, a safeguard hood, a safety door, and a pedestal. The grinder plate comprises a grinder plate substrate, a press plate, a lining plate, and an abrasive layer. Each module is effectively communicated, and a control system collects and processes signals as well as transmits commands to achieve automatic force-controlled grinding of the complicated curved surface. The abrasive layer of the grinder plate generates the shear thickening effect; so, the material can be removed in a high-shear low-pressure grinding manner.

The present invention discloses an automatic high-shear low-pressure force-controlled grinding device for a complicated curved surface and a machining method thereof, which belong to the field of complicated curved surface grinding technologies of difficult-to-machine materials. The device comprises a base, columns, an industrial robot, an electrical spindle, a force-controlled floating work holder, a workpiece chuck, a grinder plate, a six-dimensional force sensor, a rotary table, a triaxial precision displacement table, a safeguard hood, a safety door, and a pedestal. The grinder plate comprises a grinder plate substrate, a press plate, a lining plate, and an abrasive layer. Each module is effectively communicated, and a control system collects and processes signals as well as transmits commands to achieve automatic force-controlled grinding of the complicated curved surface. The abrasive layer of the grinder plate generates the shear thickening effect; so, the material can be removed in a high-shear low-pressure grinding manner.