Abstract: Disclosed are a magnetic force control device for controlling a magnetic force on an interaction surface and a magnetic body holding device using the same. The magnetic force control device includes a first pole piece having a first interaction surface, a second pole piece having a second interaction surface, a stationary magnet fixed between the first pole piece and the second pole piece, a rotary magnet provided between the first pole piece and the second pole piece and configured to be rotatable to define a first arrangement state and a second arrangement state, and a coil wound around at least one of the first pole piece and the second pole piece, wherein the first arrangement state and the second arrangement state are switched by rotating the rotary magnet by controlling a current applied to the coil.

Abstract: Disclosed is a magnetic force control device improved to be installed even in a narrow space having a small height. The magnetic force control device includes a first pole piece having a first interaction surface, a second pole piece having a second interaction surface, a third pole piece connected to the second pole piece, a coil wound around at least one of the second pole piece and the third pole piece, a stationary magnet fixed between the first pole piece and the second pole piece and a rotary magnet disposed between the first pole piece and the third pole piece and configured to be rotatable by controlling a current flowing through the coil.

Abstract: A magnetic force control device includes a first pole piece having an interaction surface, made of a ferromagnetic material, and configured to be in contact with an N pole of a permanent magnet, a second pole piece having an interaction surface, made of a ferromagnetic material, and configured to be in contact with an S pole of the permanent magnet or another permanent magnet different from the permanent magnet, rotary permanent magnet configured to be rotatable to define a first arrangement state in which an N pole thereof is magnetically connected to the second pole piece and an S pole thereof is magnetically connected to the first pole piece and a second arrangement state in which the N pole is magnetically connected to the first pole piece and the S pole is magnetically connected to the second pole piece.

Abstract: A magnetic body holding device includes: a first pole piece having a first interaction surface and a second interaction surface; a second pole piece having a third interaction surface and a fourth interaction surface; a first stationary magnet disposed to be adjacent to the first interaction surface and the third interaction surface; a second stationary magnet disposed to be adjacent to the second interaction surface and the fourth interaction surface; a rotary magnet rotatably disposed between the first stationary magnet and the second stationary magnet; a first coil disposed between the first stationary magnet and the rotary magnet and wound around at least one of the first pole piece and the second pole piece; and a second coil disposed between the second stationary magnet and the rotary magnet and wound around at least one of the first pole piece and the second pole piece.

Abstract: Disclosed is a magnetic force control device improved to be installed even in a narrow space having a small height. The magnetic force control device includes a first pole piece having a first interaction surface, a second pole piece having a second interaction surface, a third pole piece connected to the second pole piece, a coil wound around at least one of the second pole piece and the third pole piece, a stationary magnet fixed between the first pole piece and the second pole piece and a rotary magnet disposed between the first pole piece and the third pole piece and configured to be rotatable by controlling a current flowing through the coil.

Abstract: A magnetic force control device includes a magnetic flow generating section configured to be freely rotatable to at least define a first arrangement state and a second arrangement state and including a permanent magnet, a magnetic flow section having at least one interaction surface and including at least one pole piece made of a magnetic material in which a magnetic flow is formed therein, the pole piece is disposed such that an effect of a magnetic flow from the magnetic flow generating section on the interaction surface is minimized when the magnetic flow generating section defines the first arrangement state, and the effect of the magnetic flow from the magnetic flow generating section on the interaction surface is maximized when the magnetic flow generating section defines the second arrangement state; and at least one coils wound around the pole piece.

Abstract: A magnetic force control device includes a first pole piece having an interaction surface, made of a ferromagnetic material, and configured to be in contact with an N pole of a permanent magnet, a second pole piece having an interaction surface, made of a ferromagnetic material, and configured to be in contact with an S pole of the permanent magnet or another permanent magnet different from the permanent magnet, rotary permanent magnet configured to be rotatable to define a first arrangement state in which an N pole thereof is magnetically connected to the second pole piece and an S pole thereof is magnetically connected to the first pole piece and a second arrangement state in which the N pole is magnetically connected to the first pole piece and the S pole is magnetically connected to the second pole piece.

Abstract: A magnetic substance holding device includes: a first pole piece assembly including a first N-pole piece, a first S-pole piece, and a first permanent magnet; a second pole piece assembly including a second N-pole piece, a second S-pole piece, and a second permanent magnet; at least one first coil; at least one second coil; and a control device controlling current applied to the first coil and the second coil so as to control magnetic fluxes passing through the first coil and the second coil, thereby allowing the first pole piece assembly and the second pole piece assembly to switch between the first arrangement and the second arrangement, to control magnetic fluxes passing through the holding faces of the first pole piece assembly and the second pole piece assembly.

Abstract: A magnetic flux control device according to the exemplary embodiment includes: a pole piece assembly which is provided with an N pole piece and an S pole piece which are formed with first surfaces and second surfaces and made of a ferromagnetic material, and a permanent magnet which is disposed such that an N-pole is in contact with the N pole piece and an S-pole is in contact with the S pole piece; a first outer pole piece, a second outer pole piece, and a base pole piece which are formed with first surfaces and second surfaces and made of a ferromagnetic material; a coil which is wound around at least one of the N pole piece, the S pole piece, the first outer pole piece, the second outer pole piece, and the base pole piece; and a control unit which controls electric current to be applied to the coil.

Abstract: A magnetic substance holding device includes: a first pole piece assembly comprising at least one first pole piece, at least two second pole pieces, and at least two first permanent magnets; a second pole piece assembly comprising at least one third pole piece, at least two fourth pole pieces, and at least two second permanent magnets; a coil; and a control device. The first pole piece assembly and/or the second pole piece assembly is configured to be movable such that they are switched between a first arrangement in which the second faces of the first pole piece assembly are spaced apart from the first faces of the second pole piece assembly, and a second arrangement in which the second faces of the first pole piece assembly come in contact with the first faces of the second pole piece assembly.

Abstract: Disclosed herein is a magnetic substance holding device that minimizes residual magnetism by way of employing structures for minimizing reluctance to magnetic flux flow.

Abstract: A magnetic substance holding device includes: a first pole piece assembly including a first N-pole piece, a first S-pole piece, and a first permanent magnet; a second pole piece assembly including a second N-pole piece, a second S-pole piece, and a second permanent magnet; at least one first coil; at least one second coil; and a control device controlling current applied to the first coil and the second coil so as to control magnetic fluxes passing through the first coil and the second coil, thereby allowing the first pole piece assembly and the second pole piece assembly to switch between the first arrangement and the second arrangement, to control magnetic fluxes passing through the holding faces of the first pole piece assembly and the second pole piece assembly.

Abstract: A magnetic flux control device according to the exemplary embodiment includes: a pole piece assembly which is provided with an N pole piece and an S pole piece which are formed with first surfaces and second surfaces and made of a ferromagnetic material, and a permanent magnet which is disposed such that an N-pole is in contact with the N pole piece and an S-pole is in contact with the S pole piece; a first outer pole piece, a second outer pole piece, and a base pole piece which are formed with first surfaces and second surfaces and made of a ferromagnetic material; a coil which is wound around at least one of the N pole piece, the S pole piece, the first outer pole piece, the second outer pole piece, and the base pole piece; and a control unit which controls electric current to be applied to the coil.

Abstract: A magnetic substance holding device includes: a first pole piece assembly including a first N-pole piece, a first S-pole piece, and a first permanent magnet; a second pole piece assembly including a second N-pole piece, a second S-pole piece, and a second permanent magnet; at least one first coil; at least one second coil; and a control device controlling current applied to the first coil and the second coil so as to control magnetic fluxes passing through the first coil and the second coil, thereby allowing the first pole piece assembly and the second pole piece assembly to switch between the first arrangement and the second arrangement, to control magnetic fluxes passing through the holding faces of the first pole piece assembly and the second pole piece assembly.

Abstract: A magnetic substance holding device includes: a first pole piece assembly comprising at least one first pole piece, at least two second pole pieces, and at least two first permanent magnets; a second pole piece assembly comprising at least one third pole piece, at least two fourth pole pieces, and at least two second permanent magnets; a coil; and a control device. The first pole piece assembly and/or the second pole piece assembly is configured to be movable such that they are switched between a first arrangement in which the second faces of the first pole piece assembly are spaced apart from the first faces of the second pole piece assembly, and a second arrangement in which the second faces of the first pole piece assembly come in contact with the first faces of the second pole piece assembly.

Abstract: A magnetic substance holding device includes: a first pole piece assembly including a first N-pole piece, a first S-pole piece, and a first permanent magnet; a second pole piece assembly including a second N-pole piece, a second S-pole piece, and a second permanent magnet; at least one first coil; at least one second coil; and a control device controlling current applied to the first coil and the second coil so as to control magnetic fluxes passing through the first coil and the second coil, thereby allowing the first pole piece assembly and the second pole piece assembly to switch between the first arrangement and the second arrangement, to control magnetic fluxes passing through the holding faces of the first pole piece assembly and the second pole piece assembly.

Abstract: Disclosed herein is a magnetic substance holding device that minimizes residual magnetism by way of employing structures for minimizing reluctance to magnetic flux flow.

Abstract: Disclosed herein is a magnetic substance holding device that minimizes residual magnetism by way of employing structures for minimizing reluctance to magnetic flux flow.

Abstract: Disclosed herein is a magnetic substance holding device that minimizes residual magnetism by way of employing structures for minimizing reluctance to magnetic flux flow.

Abstract: The present invention relates to a magnetic substance holder, which includes a permanent magnet, a pole piece coupling one of N and S poles of the permanent magnet and having a holding surface, a magnetizable material having an end surface contacting the pole piece, a coil surrounding the magnetizable material, and a control device controlling electric current flowing through the coil to control the magnetization of the magnetizable material. According to the present invention, optimal holding force can be realized for the same area, and the magnetic substance holder can be readily expanded to a module or be miniaturized according to the size of the interior of a device on which the magnet holder is installed, and can be widely applied to various equipment used in the industrial field such as lifts, chucks, locking devices, applied machines, and robots.