A carbon fiber reinforced plastic structure has a low surface roughness and has reduced deformation due to residual stress, changes in temperature, etc., and a processing apparatus that uses the structure, are disclosed. The carbon fiber reinforced plastic structure (CFRP structure) includes a carbon fiber reinforced plastic member (CFRP member), and a resin layer formed on a first surface of the carbon fiber reinforced plastic member, the resin layer including an opposite surface that is opposite to a surface facing the first surface, the opposite surface having a surface roughness that is less than a surface roughness of the first surface of the carbon fiber reinforced plastic member.

A carbon fiber reinforced plastic structure has a low surface roughness and has reduced deformation due to residual stress, changes in temperature, etc., and a processing apparatus that uses the structure, are disclosed. The carbon fiber reinforced plastic structure (CFRP structure) includes a carbon fiber reinforced plastic member (CFRP member), and a resin layer formed on a first surface of the carbon fiber reinforced plastic member, the resin layer including an opposite surface that is opposite to a surface facing the first surface, the opposite surface having a surface roughness that is less than a surface roughness of the first surface of the carbon fiber reinforced plastic member.

A machine tool includes: a servo motor that changes the opening degree of an opening/closing valve; a current acquisition unit that acquires driving current outputted to a drive motor for driving a slider; and a motor control unit that adjusts the pressure of a compressed fluid in a fluid balancer by controlling the servo motor on the basis of the driving current.

A machine tool includes: a servo motor that changes the opening degree of an opening/closing valve; a current acquisition unit that acquires driving current outputted to a drive motor for driving a slider; and a motor control unit that adjusts the pressure of a compressed fluid in a fluid balancer by controlling the servo motor on the basis of the driving current.

A precision machine tool includes: a tool support for supporting a tool; a tool table serving as a moving mechanism capable of moving the tool support; and one or multiple imaging devices fixed to the tool support, the imaging devices each having an imaging unit configured to capture the image of a machining point on a workpiece machined by the tool.

A precision machine tool includes: a tool support for supporting a tool; a tool table serving as a moving mechanism capable of moving the tool support; and one or multiple imaging devices fixed to the tool support, the imaging devices each having an imaging unit configured to capture the image of a machining point on a workpiece machined by the tool.

The present invention includes a table (2) for placing a workpiece (Wa) thereon, a supporting mechanism (10) including a rotary shaft (15, 16) and supporting the table (2) so as to be able to rock the table (2) about an axial center of the rotary shaft (15, 16), a first drive motor (20) rotating the rotary shaft (15) of the supporting mechanism (10) to rock the table (2), a balance imparting mechanism (30) imparting a balance load to the rotary shaft (15) in accordance with a position of rocking of the table (2), and a controller (50) controlling the first drive motor (20). The balance imparting mechanism (30) includes an eccentric disc (31) having a circular plate shape and connected at a position eccentric from a center thereof to the rotary shaft (15), a housing (32) holding an outer periphery of the eccentric disc (31) via a bearing (33), and a load imparting unit (35) imparting the balance load to the housing (32) in a direction intersecting an axis of the rotary shaft (15).

The present invention includes a table (2) for placing a workpiece (Wa) thereon, a supporting mechanism (10) including a rotary shaft (15, 16) and supporting the table (2) so as to be able to rock the table (2) about an axial center of the rotary shaft (15, 16), a first drive motor (20) rotating the rotary shaft (15) of the supporting mechanism (10) to rock the table (2), a balance imparting mechanism (30) imparting a balance load to the rotary shaft (15) in accordance with a position of rocking of the table (2), and a controller (50) controlling the first drive motor (20). The balance imparting mechanism (30) includes an eccentric disc (31) having a circular plate shape and connected at a position eccentric from a center thereof to the rotary shaft (15), a housing (32) holding an outer periphery of the eccentric disc (31) via a bearing (33), and a load imparting unit (35) imparting the balance load to the housing (32) in a direction intersecting an axis of the rotary shaft (15).

Provided is a tool holder or workpiece holder (100, 200) for coupling a tool to a drive spindle of a machine tool, said holder comprising a tool holding or workpiece holding section (110, 210) on which a clamping means (111, 211) for holding the tool is arranged, and comprising a coupling section (120, 220) for coupling to a tool interface (150, 160, 250, 260) of the drive spindle of the machine tool, in which the coupling section (120, 220) is configured as suitable for coupling both to a tool interface (150, 250) for receiving tool holders or workpiece holders that comply with a first standard and to a tool interface (160, 260) for receiving tool holders or workpiece holders that comply with a second standard.

Provided is a tool holder or workpiece holder (100, 200) for coupling a tool to a drive spindle of a machine tool, said holder comprising a tool holding or workpiece holding section (110, 210) on which a clamping means (111, 211) for holding the tool is arranged, and comprising a coupling section (120, 220) for coupling to a tool interface (150, 160, 250, 260) of the drive spindle of the machine tool, in which the coupling section (120, 220) is configured as suitable for coupling both to a tool interface (150, 250) for receiving tool holders or workpiece holders that comply with a first standard and to a tool interface (160, 260) for receiving tool holders or workpiece holders that comply with a second standard.