Abstract: A chip discharge device for a machine tool is provided that has a simple structure, enables automatic replacement of tools, and is suitable for a machine tool in which a spindle head is turned about an axis of turning that is not parallel to the center axis of the spindle. A suction pipe 73 on the first support member side is disposed in parallel to a first axis of turning 191 to be centered on the axis of the through hole 192 of a first support member. A right end of the suction pipe 73 on the first support member side is fixed by bolts to a left end surface of the spindle head 18. An outer circumferential surface of the left end of the suction pipe 73 on the first support member side is connected to be able to relatively rotate to an inner circumferential surface at the lower end of a second communicating pipe 74. A seal mechanism 8 is provided in the connection portion, preventing the external air from being sucked into the second communicating pipe 74.

Abstract: A chip discharge device for a machine tool is provided that has a simple structure, enables automatic replacement of tools, and is suitable for a machine tool in which a spindle head is turned about an axis of turning that is not parallel to the center axis of the spindle. A suction pipe 73 on the first support member side is disposed in parallel to a first axis of turning 191 to be centered on the axis of the through hole 192 of a first support member. A right end of the suction pipe 73 on the first support member side is fixed by bolts to a left end surface of the spindle head 18. An outer circumferential surface of the left end of the suction pipe 73 on the first support member side is connected to be able to relatively rotate to an inner circumferential surface at the lower end of a second communicating pipe 74. A seal mechanism 8 is provided in the connection portion, preventing the external air from being sucked into the second communicating pipe 74.

Abstract: A calibration method for an edge inspection apparatus having: a light emitting portion which irradiates light onto an edge of a substrate being inspected; and a detection portion which detects optical characteristics of the light reflected by the edge to detect the defect occurring in the edge based on the optical characteristics, wherein the calibration method including: a pseudo-defect formation step of forming a plurality of pseudo-defects on an edge of a substrate for calibration along a circumferential direction thereof, in which at least one of a position in the thickness direction of the substrate, the shape and the size is set so as to be different between the pseudo-defects; a detection step of irradiating the inspection light onto the respective pseudo-defects, and detecting the optical characteristics of the reflection light by the detection portion; and an adjustment step of calibrating the edge inspection apparatus based on the optical characteristics.

Abstract: Machine tool simplifying maintenance, reducing manufacturing costs, and enabling high precision machining. The machine tool is equipped with: a bed furnished with a rectangular base, right and left sidewalls provided standing either side of the base, and a rear sidewall provided standing along the back of the base; a table disposed in the space surrounded by the three sidewalls; a first saddle shaped in the form of a rectangular frame shape, provided free to shift back and forth supported on the tops of the left and right sidewalls; a second saddle penetrated by a perpendicular through-hole and arranged free to shift sideways inside the first saddle frame; and a spindle head arranged free to shift perpendicularly inside the through-hole in the second saddle; and a main spindle arranged over the table and supported by the spindle head free to rotate centered on its axis.

Abstract: The present invention provides a machine tool capable of reducing residual vibration occurring at the location time, thereby achieving responsiveness to a recent demand for higher acceleration/deceleration speed. The machine tool is configured such that a column 3 is fixed on a bed 2, a spindle head 6 for supporting a spindle 7 is disposed on a front face 3b? of the column 3 to be movable in a Z-axis direction, and a pair of right and left Z-axis ball screws (spindle drive shafts) 22 for driving the vicinity of the gravity center of the spindle head 6 is disposed on the front face 3b? of the column 3 to be symmetrical to each other with respect to a plane that includes an axis C of the spindle head 6 and is parallel to a Y axis, thereby driving the vicinity of the gravity center of the spindle head 6.

Abstract: There is provided a machining center capable of simplifying a driving force transmitting mechanism and restraining occurrence of noise and vibration. A machining center having a turret head 20 with a plurality of tools on a turret base 5 includes one tool drive motor for each tool, the tool drive motor rotary driving the corresponding tool independently.

Abstract: Machine tool simplifying maintenance, reducing manufacturing costs, and enabling high precision machining. The machine tool is equipped with: a bed furnished with a rectangular base, right and left sidewalls provided standing either side of the base, and a rear sidewall provided standing along the back of the base; a table disposed in the space surrounded by the three sidewalls; a first saddle shaped in the form of a rectangular frame shape, provided free to shift back and forth supported on the tops of the left and right sidewalls; a second saddle penetrated by a perpendicular through-hole and arranged free to shift sideways inside the first saddle frame; and a spindle head arranged free to shift perpendicularly inside the through-hole in the second saddle; and a main spindle arranged over the table and supported by the spindle head free to rotate centered on its axis.

Abstract: The present invention provides a machine tool whose width dimension is not increased even when it includes a tool magazine. The present invention includes: a bed; a saddle disposed on the bed to be movable in a forward and backward (Y-axis) direction in a front view of the machine tool; a table disposed on the saddle to be movable in right and left (X-axis) direction; a column fixed on the bed a spindle head disposed on the column to support a spindle and movable in a vertical (Z-axis) direction; an automatic tool changer disposed on a back face side of the column, wherein the column has an opening which allows the back face side and a front face side of the column to communicate with each other, and the automatic tool changer replaces a tool on the spindle side by a tool on a tool magazine side through the opening.

Abstract: The present invention provides a machine tool capable of enhancing approachability to a spindle to improve work efficiency even when it includes a workpiece changer. The present invention includes: a bed; a saddle disposed on the bed to be movable in a forward and backward (Y-axis) direction in a front view of the machine tool; a table disposed on the saddle to be movable in a right and left (X-axis) direction; a column having a shape of a gate bridged over a travel range of the table and fixed on the bed; a spindle head disposed on the column to support a spindle and movable in a vertical (Z-axis) direction; a workpiece changer that turns a workpiece together with a pallet or turns the workpiece independently, for workpiece replacement, between a workpiece standby position set on a back face side of the bed and the table placed at a workpiece change position, the workpiece changer being disposed so as to set the workpiece change position at a position under the column.

Abstract: The present invention provides a machine tool capable of achieving a higher feed rate of a spindle and weight reduction while ensuring necessary stiffness of a column. The present invention includes: a bed; a saddle disposed on the bed to be movable in a Y-axis direction in a front view of the machine; a table disposed on the saddle to be movable in an X-axis direction; a column having a shape of a gate that is bridged over a travel range of the table and has right and left legs fixed on the bed and a beam connecting tops of the right and left legs; and a spindle head disposed on a front face of the beam to be movable in a Z-axis direction.

Abstract: A lathe includes a bed, a main spindle that holds one end side of a workpiece, a headstock that supports the main spindle such that its axis is horizontal and it can rotate about its axis, and that is disposed on the bed such that it can move in the main spindle axial direction, a rotational drive mechanism for rotating the main spindle about its axis, a tailstock fixedly disposed on the bed in opposition to the headstock, a tailstock spindle that is supported by the tailstock such that it is coaxial with the main spindle, and that supports the other end side of the workpiece, tool posts that hold tools and that are disposed on the bed such that they can move in the main spindle axial direction, and a feed mechanism for moving the headstock and the tool posts in the various directions.

Abstract: A lathe includes a bed, a main spindle, a headstock fixedly disposed on the bed that supports the main spindle such that its axis is horizontal and it can rotate about its axis, a tailstock disposed on the bed in opposition to the headstock, a tailstock spindle, supported by the tailstock such that it is coaxial with the main spindle, and tool posts for holding tools. The bed is formed in a shape that is rectangular when viewed from above, and the outer shape in the bed width direction is formed with left and right symmetry with respect to a predetermined vertical plane of symmetry, and the headstock and the tailstock are disposed on the bed upper face such that the axes of the main spindle and the tailstock spindle are included in the plane of symmetry.

Abstract: The present invention provides a machine tool whose width dimension is not increased even when it includes a tool magazine. The present invention includes: a bed 2; a saddle 4 disposed on the bed 2 to be movable in a forward and backward (Y-axis) direction in a front view of the machine tool; a table 5 disposed on the saddle 4 to be movable in right and left (X-axis) direction; a column 3 fixed on the bed 2; a spindle head 6 disposed on the column 3 to support a spindle 7 and movable in a vertical (Z-axis) direction; an automatic tool changer 10 disposed on a back face side of the column 3, wherein the column 3 has an opening A which allows the back face 3b? side and a front face 3b? side of the column 3 to communicate with each other, and the automatic tool changer 10 replaces a tool T on the spindle 7 side by a tool T1 on a tool magazine 11 side through the opening A.

Abstract: The present invention provides a machine tool capable of enhancing approachability to a spindle to improve work efficiency even when it includes a workpiece changer.

Abstract: The present invention provides a chip discharging device for a machine tool, which is capable of making the entire machine small by minimizing a protruding amount of the chip discharging device toward the backside of the machine, and making an install space thereof small. A column 4 is arranged and fixed on an upper surface of a rear wall portion 2d of a bed 2, the rear wall portion 2d is arranged to deviate upward, rear wall inclined surfaces 2g and 2g? rising obliquely upward are formed on a bottom portion of the rear wall portion 2d, a storage tank 27 for storing coolant is arranged inside a rectangular frame of the bed 2, the storage tank 27 having a form which extends through a space beneath the rear wall portion 2d to the backside of the machine and further stands up obliquely upward along the rear wall inclined surfaces 2g and 2g?, and a chip conveyor 26 is arranged inside the storage tank 27 for conveying chips to the backside of the machine.

Abstract: The present invention provides a machine tool capable of enhancing chip discharge efficiency and improving work efficiency with improved approachability to a spindle. A machine tool according to the present invention is structured such that a recession 2c with a back face side and an upper face side thereof opened is formed at a center portion of a bed 2, Y-axis guide rails 18 and Y-axis ball screws (drive shafts) 16 for guiding and driving the saddle 4 are disposed on right and left saddle supports (edges) 2b of the recession 2c and are covered with right and left Y-axis cutting covers 56, the right and left Y-axis cutting covers 56 are formed in an inclined shape with the recession 2c side thereof becoming lower, and a chip receptor 48 for discharging chips dropped into the recession 2c to a back face side of the bed 2 is disposed in the recession 2c.

Abstract: The present invention provides an arrangement structure of a machine tool which is capable of compactly arranging electrical wires and pipes for coolant and the like without impairing support stiffness for a column, and simplifying the arrangement structure, while adopting a column fixing structure.

Abstract: There is provided a machining center capable of simplifying a driving force transmitting mechanism and restraining occurrence of noise and vibration. A machining center having a turret head 20 with a plurality of tools on a turret base 5 includes one tool drive motor for each tool, the tool drive motor rotary driving the corresponding tool independently.

Abstract: There is provided a machining center capable of corresponding to both horizontal and vertical turret heads by one machine main body. The machining center includes a bed 2, a column 3 fixed on the bed 2, a saddle 4 supported by the column 3 to be movable in an X axis direction, a turret base supported by the saddle 4 to be movable in a Y axis direction, a quill 6 supported by the turret base 5 to be movable in a Z axis direction, and one of a horizontal turret head 20 and a vertical turret head 50 which are attached to the quill 6 in a selectively attachable/detachable manner, in which, on the horizontal turret head 20, a plurality of tools T are arranged to be located on a circumference whose center coincides with a quill axis C and to be parallel with the quill axis C, and on the vertical turret head 50, a plurality of tools are arranged to form a radial pattern in an orthogonal direction with respect to the quill axis C.

Abstract: The present invention provides a chip discharging device for a machine tool, which is capable of making the entire machine small by minimizing a protruding amount of the chip discharging device toward the backside of the machine, and making an install space thereof small. A column 4 is arranged and fixed on an upper surface of a rear wall portion 2d of a bed 2, the rear wall portion 2d is arranged to deviate upward, rear wall inclined surfaces 2g and 2g? rising obliquely upward are formed on a bottom portion of the rear wall portion 2d, a storage tank 27 for storing coolant is arranged inside a rectangular frame of the bed 2, the storage tank 27 having a form which extends through a space beneath the rear wall portion 2d to the backside of the machine and further stands up obliquely upward along the rear wall inclined surfaces 2g and 2g?, and a chip conveyor 26 is arranged inside the storage tank 27 for conveying chips to the backside of the machine.