The invention provides a control apparatus for a machine tool, which can perform reciprocating vibration in consideration of a vibration frequency, increase flexibility in machining a workpiece, and perform vibration cutting by means of an external spindle or the like without rotating a spindle. The control apparatus and the machine tool include control means. The control means includes an imaginary spindle regarded as a spindle for rotating a workpiece W or a cutting tool. The control means sets the number of rotations of the imaginary spindle and the number of reciprocating vibrations in accordance with a vibration frequency attributable to a cycle during which an operation instruction can be issued.

Machining tool comprising a frame in which a drive shaft for a tool is mounted so as to pivot about a rotation axis and to move axially along the rotation axis. The shaft is connected to two rotary motors, namely a first motor connected to a member for meshing with a fluted portion of the shaft in order to drive the shaft in rotation and a second motor connected to a nut engaged with a threaded portion of the shaft in order to move the shaft axially. The motors are connected to at least one control unit designed to control the motors independently of one another, and the first motor and the second motor are coaxial with one another.

A blank for manufacturing molded dental components includes a blank body that includes tooth repairing material. A molded dental component is manufactured by removing portions of the tooth repairing material using a tool. The blank is encoded with at least one structure as a carrier of information regarding properties of the blank body. The at least one structure is arranged such that at least one of a position, dimensions, or a type of structure can be determined by sensing or measuring the blank. In this context, the position, the dimensions, or the type of the structure are embodied such that a value acquired during a determination of the above corresponds to information about a property of the blank body.

Producing an object (2), comprising: providing a tool (10) having a mould surface (14); applying uncured composite material (12) to the mould surface (14) to form an assembly (8); curing the assembly (8) to produce cured composite material (12) having a surface (16) the same shape as the mould surface (14); providing a digital model (24) of the object (2) specifying a first surface (4) and a second surface (6) of the object (2), the first surface (4) being the same shape as the mould surface (14); and, while the cured composite material (12) is held against the mould surface (14), machining, using the digital model (24), a further surface (18) of the cured composite material (12) such that it has the same shape as the second surface (6) and the same position relative to the mould surface (14) as the second surface (6) relative to the first surface (4).

Producing an object (2), comprising: providing a tool (10) having a mould surface (14); applying uncured composite material (12) to the mould surface (14) to form an assembly (8); curing the assembly (8) to produce cured composite material (12) having a surface (16) the same shape as the mould surface (14); providing a digital model (24) of the object (2) specifying a first surface (4) and a second surface (6) of the object (2), the first surface (4) being the same shape as the mould surface (14); and, while the cured composite material (12) is held against the mould surface (14), machining, using the digital model (24), a further surface (18) of the cured composite material (12) such that it has the same shape as the second surface (6) and the same position relative to the mould surface (14) as the second surface (6) relative to the first surface (4).

A machine tool provided with a tool spindle and a work table for supporting a workpiece for plastic forming on a workpiece with a tool attached to the tool spindle. The partially curved tool is has a moving mechanism to move the tool spindle relative to the workpiece, a spindle rotating motor to turn the tool spindle relative to the workpiece, a movement control unit to control the moving mechanism to move the tool along the workpiece while pressing a curved portion on the surface to be machined, and a turn control unit to control the spindle rotating motor to orient a normal line of the curved portion toward the surface of the workpiece at a reference position taken as a reference.

A machine tool provided with a tool spindle and a work table for supporting a workpiece for plastic forming on a workpiece with a tool attached to the tool spindle. The partially curved tool is has a moving mechanism to move the tool spindle relative to the workpiece, a spindle rotating motor to turn the tool spindle relative to the workpiece, a movement control unit to control the moving mechanism to move the tool along the workpiece while pressing a curved portion on the surface to be machined, and a turn control unit to control the spindle rotating motor to orient a normal line of the curved portion toward the surface of the workpiece at a reference position taken as a reference.

A machining system comprises a machine tool, a machine tool controller that controls the machine tool, an auxiliary device that assists the machine tool, and an auxiliary device controller that controls the auxiliary device. The machine tool and the auxiliary device work cooperatively for machining. The machining system comprises a signal management unit that receives a first signal and a second signal. The first signal indicates information about the machine tool as a criterion used for determining whether the machine tool and the auxiliary device are operable or inoperable. The second signal indicates information about the auxiliary device as a criterion used for determining whether the machine tool and the auxiliary device are operable or inoperable. The signal management unit outputs a third signal indicating an operable state or an inoperable state of the machine tool and the auxiliary device to the machine tool controller and the auxiliary device controller based on the first signal and the second signal.

A machining system comprises a machine tool, a machine tool controller that controls the machine tool, an auxiliary device that assists the machine tool, and an auxiliary device controller that controls the auxiliary device. The machine tool and the auxiliary device work cooperatively for machining. The machining system comprises a signal management unit that receives a first signal and a second signal. The first signal indicates information about the machine tool as a criterion used for determining whether the machine tool and the auxiliary device are operable or inoperable. The second signal indicates information about the auxiliary device as a criterion used for determining whether the machine tool and the auxiliary device are operable or inoperable. The signal management unit outputs a third signal indicating an operable state or an inoperable state of the machine tool and the auxiliary device to the machine tool controller and the auxiliary device controller based on the first signal and the second signal.

An object of the present invention is to provide an electric power tool capable of automatically changing the rotating speed of an electric motor in accordance with operation conditions. The electric power tool 11 which carries out an operation of polishing, peel-off, cutting, or the like by swinging a tip tool 13 attached to a tool retaining 31 part within the range of predetermined angles by the drive power of the electric motor 12, wherein the electric power tool has a control device configured to indirectly detect the load of the tip tool from a current value, and to control the rotating speed of the electric motor 12 to a maximum rotating speed and a minimum rotating speed on the basis of the load of the tip tool 13.