271results about "Turret lathes" patented technology

A tool holder for attaching a complex tool having a plurality of kinds of cutting edges to a turret, has a base portion attachably and detachably formed at the turret. The base portion has a rotatable tool spindle attachably and detachably installing the complex tool thereon. The tool spindle is provided with indexing means for indexably rotating the tool spindle at an indexed position corresponding to each cutting edge of the complex tool. And, clamping means for clamping the tool spindle at a predetermined indexed position is provided. Indexing rotational function and clamping function owned by the tool holder makes the use of the complex tool in the lathe possible.

To provide a machine tool in which supporting stiffness of a tool post is increased, thereby enabling improvement in machining accuracy. When seen in a Z-axis direction, a tool post 5 includes: a supporting member 30 having a pair of left and right leg parts 30a, 30a and an upper beam part 30b coupling at least upper ends of the both leg parts 30a with each other; and a turret 31 to whose outer circumferential portion a plurality of tools are attached. The supporting member 30 is supported to be movable in a Z-axis direction between a first and a second spindle headstock 3, 4, and the turret 31 is supported to be movable in an X-axis direction by turret guide rails 33, 33 which are disposed on front faces of the left and right leg parts 30a, 30a.

A rotational power servo toolpost includes a plurality of rotational tool holders, which can freely rotate 360 degrees, to cut a workpiece from various angles. The rotational power servo toolpost has a turret base, a turret, tool holders mounted on a side surface of the turret and having a variety of needed tools, a tool-holder-rotating device, and a tool-rotating device. When the tool holder with the needed tool rotates along with the turret to the preset area, a servo motor of the tool-holder-rotating device drives the related members to freely rotate the tool holder around 360 degrees according to the machining requirements. The tool-driving device then drives the tool, thereby cutting the workpiece from various angles.

To provide a composite lathe enabling the overlapping of movement areas without lowering supporting stiffness of a tool post, and thus realizing enhanced machinability. An XY supporting plane A by which a tool post 5 in is supported to be movable in an X-axis direction is set non-parallel to an XZ supporting plane B by which a third spindle 6 is supported to be movable in the X-axis direction, and an axis of the movement in the X-axis direction of the tool post 5 is set apart in a Y-axis direction from an axis of the movement in the X-axis direction of the third spindle 6.

A datum is created in an axle housing. A finished brake flange is welded to the axle housing with reference to the datum to make an axle sub-assembly. The axle sub-assembly is fixed to a first part of a machine. A finished spindle is supplied to a second part of the machine. The spindle is welded to the axle sub-assembly with reference to the datum. A dial indexing table is rotated to a first position. An axle is placed on the dial indexing table with its longitudinal axis oriented vertically. The dial indexing table is rotated to a second position, wherein the axle aligned with a CNC machine. A machining operation is performed on the axle with the CNC machine. The dial indexing table is rotated to a third position. The axle is removed from the dial indexing table. An axle and an apparatus for manufacturing an axle are described.

There is provided a precision roll turning lathe which can not only machine with high precision circumferential transverse grooves in the peripheral surface of a roll but can also machine with high precision longitudinal grooves in the peripheral surface. The precision roll turning lathe includes: a bed 10; a headstock 12, mounted on the bed 10, for rotating a roll-shaped workpiece while holding one end of the workpiece by means of a chuck, said headstock having an indexing axis (C axis) for performing circumferential indexing of the workpiece; a tail stock 14, mounted on the bed 10 and disposed opposite the headstock 12, for rotatably supporting the other end of the workpiece; a carriage 16 including a saddle 26 mounted on the bed 10 movably in the longitudinal direction (Z-axis direction) of the workpiece, and a table 28 mounted on the saddle 26 movably in a direction (X-axis direction) perpendicular to the longitudinal direction of the workpiece; a tool swivel 30 mounted on the table 28 and having an indexing axis (B axis); a tool post 33 mounted on the tool swivel 30 and having a plurality of cutting tools 36 attached thereto; and a fly cutter spindle device 34 mounted to the tool post 34 and having a cutter spindle for rotating a fly cutter 39.

A machine tool (10) has a Z table (18) sliding in the Z direction in a horizontal plane, a support body (22) provided on the Z table (18) and sliding in the vertical direction, a rotation arm (32) supported at the support body (22) and endlessly rotatable in a vertical plane facing work (W), an arm motor (34) for rotating the rotation arm (32), a processing spindle (36) rotatably supported and placed at a position of a distance R from the center C of rotation of the rotation arm (32), and a spindle motor (38) for rotating the processing spindle (36).

An NC lathe 1 comprises a bed 5, a headstock 10 provided on the bed 5, a main spindle 11 supported on the headstock 10 so as to be rotatable around the axis thereof, a rotation drive device for rotating the main spindle 11, a stationary frame 15 formed in a rectangular frame shape and fixed to the upper face of the bed 5, a movable frame 16 formed in a rectangular frame shape and provided so as to be movable in the Z-axis direction with respect to the stationary frame 15, a saddle 17 provided so as to be movable in the X-axis direction with respect to the movable frame 16, a quill 18 accommodated inside the accommodation hole 17a in the saddle 17 and provided so as to be movable in the Y-axis direction, and a tool rest 20 supported on the quill 18.

An automatic lathe (10) is provided with a first spindle (14) having an axis of rotation (14a), a first tool rest (18) capable of holding a plurality of tools (22) in a parallel arrangement, a second tool rest (20) capable of holding a plurality of tools (22) in parallel arrangements in a first row and second row exhibiting mutually different nose orientations, and a second spindle (16) having an axis of rotation parallel to the axis of rotation of the first spindle and capable of being located facing the first spindle, in such a manner as to be centrally carried on a lathe bed (12). The first spindle can move linearly along a first control axis parallel to its axis of rotation. The first tool rest can move linearly along a second control axis perpendicular to the first control axis. The second tool rest can move linearly along a third control axis perpendicular to the first control axis and a fourth control axis parallel to the first control axis. The second spindle can move linearly along a fifth control axis parallel to the third control axis and a sixth control axis parallel to the first control axis. A control unit (106) enables simultaneous performance of first machining work relating to the first spindle by a desired tool selected at the first tool rest, second machining work relating to the first spindle by a desired tool selected from the first row at the second tool rest, and third machining work relating to the second spindle by a desired tool selected from the second row at the second tool rest.

A tool turret includes a housing (10) for connection to a machine tool, and an electric drive motor (28). A tool disk (14), is mounted to rotate relative to the housing (10) about a longitudinal axis (34), may be fixed in selected angular positions, and has recesses (16) for machining tools (18). At least one rotating machining tool (18) may be driven by the drive motor (28) using shafts (24, 30), extending perpendicular to the longitudinal axis forming the swiveling axis of the tool disk (14). The electric drive motor (28) is arranged within the tool disk (14). The driveshaft (30) from the electric drive (28) is aligned with the driveshaft (24) for the machining tool (18), and is aligned with the driveshaft (24) for the machining tool (18) or extends parallel to it. An economical drive design for machining tools on a tool turret is achieved, with a small installation volume.

To provide a composite lathe enabling the overlapping of movement areas without lowering supporting stiffness of a tool post, and thus realizing enhanced machinability. An XY supporting plane A by which a tool post 5 in is supported to be movable in an X-axis direction is set non-parallel to an XZ supporting plane B by which a third spindle 6 is supported to be movable in the X-axis direction, and an axis of the movement in the X-axis direction of the tool post 5 is set apart in a Y-axis direction from an axis of the movement in the X-axis direction of the third spindle 6.

A multiple punch and die assembly adapted to be placed in a punch press having a punch ram for imparting movement to a selected punch assembly for carrying out a punching or forming operation comprises a punch assembly for holding a plurality of selectively operable punches mounted for independent movement in the punch assembly so as to selectively engage a workpiece. The punch assembly has a punch carrier for reciprocal motion within a punch guide and a striker body engaging the punch carrier, said striker body being selectively, toollessly connectable to the punch carrier by a pair of tabs located on a lower circumference of the striker body, said pair of tabs located on a lower circumference of the striker body with a radial separation other than 180 degrees. A circumferential lip in the punch carrier receives the pair of tabs and has corresponding radially separated reliefs for allowing the pair of tabs to pass the circumferential lip, the engagement of the pair of tabs by the circumferential lip thereby locking the striker body to the punch carrier while permitting relative rotation of the striker body and punch carrier to select a punch for engagement by the striker. A detent means releasably positions the striker body in one of a plurality of operating positions, at which a punch is positioned for being struck selectively by the ram via the striker body such that one punch is driven to an operating position when at least one other punch is in inactive. In another embodiment the assembly has a stripper retainer that has precision pockets for holding strippers corresponding to the selectively operable punches.

A cutting machine includes: a machine body; a hollow piston; a first shaft extending into the piston, co-movable with the piston relative to the machine body along a first axis, and rotatable about the first axis relative to the piston; a second shaft rotatable about a second axis and coupled to the first shaft when the first shaft is disposed at a first axial position; a rotary cutter holder rotatable about the first axis and coupled to the second shaft; a third shaft rotatable about the first axis and coupled to the first shaft when the first shaft is disposed at a second axial position; and a driving unit for driving rotation of the first shaft about the first axis.

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.

Turrets (11, 12), which can rotate about a common axis (y-y) and on the outer peripheral surfaces of which a plurality of tools (15) are radially installed, are disposed along the axis (y-y) in a turret housing (100). Respective turrets (11, 12) can be dividedly rotated by separate turret driving motors (13, 14).

The multi-function machine tool of the present invention has a tool rest main body which is disposed movably relative to the main spindle of the machine tool in a first linear direction parallel to the axial line of the main spindle and a second linear direction perpendicular to the axial line of the main spindle, a turning tool rest 72 which is disposed so that this turning tool rest can turn relative to the tool rest main body about a turning axis 73 oriented in a direction that is perpendicular to the first and second linear directions, and control means which control the rotational motion of the main spindle, the turning motion of the turning tool rest about the turning axis, and the relative motion of the tool rest main body. Furthermore, the control means can cause the turning tool rest to perform a turning motion about an arbitrary position that differs from the position of the turning axis by concurrently and synchronously causing a turning motion of the turning tool rest about the turning axis, and a circular-arc motion based on the relative motion of the tool rest main body in the first linear direction and second linear direction.

[Solution means] A process for producing a printed wiring board comprises the steps of depositing a base metal on at least one surface of an insulating film to form a base metal layer and further depositing copper or a copper alloy to form a conductive metal layer, then removing a surface metal layer, which is formed through the above step, by etching to form a wiring pattern, and then treating the base metal layer with a treating liquid capable of dissolving and / or passivating the metal that forms the base metal layer. The printed wiring board so provided comprises an insulating film and a wiring pattern formed on at least one surface of the insulating film, the wiring pattern including a base metal layer deposited on the insulating film surface and a conductive metal layer, the base metal layer for forming the wiring pattern protrudes in a widthwise direction more than the conductive metal layer for forming the wiring pattern.

A method of controlling drive of a driving motor for a rotary indexing device is provided. The device includes an indexing mechanism that indexes an angular position of a circular table by rotating the circular table with the use of the driving motor as a driving source, a clamping mechanism that holds the indexed angular position, and a control unit that controls drive of the driving motor by position control. In the method, the control unit controls the drive of the driving motor during operation of the clamping mechanism with a content of control in which an output torque of the driving motor by the position control becomes smaller than an output torque by the position control during indexing of the angular position of the circular table for an equivalent positional deviation.

A hobbing tool connects to a CNC lathe for performing a hobbing operation on a workpiece mounted in the lathe. It includes a drive end for mounting to a tool station of a turret of the lathe and for being driven by the lathe and a hobbing end having a hob drive shaft for supporting and driving a hob to machine a portion of the workpiece mounted in the lathe. The hob drive shaft is operatively connected to the drive end so that the hob drive shaft can be rotationally driven by the lathe. The hobbing end is connected to the drive end with a rotationally adjustable coupling which allows a lead angle of the hob shaft to be adjusted with respect to the workpiece.

A tool holding device is disposed between a headstock unit and a tailstock unit of a five-axis lathe, and includes a saddle driven to move longitudinally, a cross-slide riding on the saddle and driven to move transversely, a turntable platform disposed on a base mount that is disposed on the cross-slide and driven to revolve about an upright axis, and a tool post mounted on a base rest that is disposed on the turntable platform and driven to move uprightly. An indexable turret is disposed on the tool post for holding tool bits such that the five-axis lathe can perform movements about five axes to machine a workpiece so as to obtain a complicated geometric shape, thereby reducing setup time and errors and increasing production.

A carriage is moved in a direction including a Y axis component in order to move a turning process tool that is attached to a tool spindle along a horizontal line that is perpendicular to a Z axis, and thus, a turning process is carried out on a workpiece which is attached to a workpiece spindle.

In order to improve a machine tool comprising a machine frame with a machine bed, machining units mounted on the machine bed, of which at least one is a work spindle for a workpiece to be machined and at least one is a tool carrier, displacement units, by which the at least one work spindle and the at least one tool carrier can be moved relative to one another within a working space for machining the workpiece, and a handling device, by which workpieces can be inserted into and removed from the work spindle, in such a way that the time during which the tools are in the working space can be optimized, and consequently the times for machining each of the workpieces can also be optimized, it is proposed that a wall defining the working space being provided with an opening, by the handling device being disposed on a side of the opening that is remote from the working space and by it being possible to use the handling device to insert workpieces into the work spindle and / or remove them from it through the opening.

A machine tool capable of structuring a turret disposed at a lower portion of a slant face to be movable in the Y-axis direction without causing an increase in the entire machine in size, in which a first turret 5 is structured to include a base member 8 disposed on a bed 2 in a movable manner in a Z-axis direction, a slide base 9 disposed on the base member 8 in a movable manner in an X-axis direction, a pair of X-axis feed mechanisms 10, 10 moving the slide base 9 in the X-axis direction, a ram 11 disposed at a portion of the slide base 9 and between the pair of X-axis feed mechanisms 10, 10 in a movable manner in a Y-axis direction being orthogonal to a plane including the X-axis and Z-axis, and a turret body 12 and a turret head 13 mounted on the ram 11, is provided.

A multi-axis turning center for turning operations includes a machine body, a tool rest means for holding a tool, a first headstock for holding a workpiece, and a second headstock disposed in confronting relation to the first headstock, for holding a workpiece. The second headstock has a front chuck and a rear chuck for gripping respective workpieces. The second headstock performs a workpiece changing function by swiveling about a central axis. The multi-axis turning center is capable of automatically changing the workpieces by itself while it is carrying out a machining process, without the need for a workpiece changer. The multi-axis turning center does not need to stop its machining process for changing workpieces, resulting in an increase in the utilization ratio thereof.

In order to improve a machine tool for machining a workpiece by a relative movement between the workpiece and a tool, comprising a first receiving means for the workpiece or the tool, a compound slide system with a second receiving means for the tool or the workpiece and comprising a drive device for moving the second receiving means in relation to the first receiving means, which drive device acts at at least two spaced-apart points of application by at least three drive struts extending parallel to at least two different directions and each with a pivot joint, and with which drive device the at least two points of application can be positioned by means of the at least three drive struts, in such a way that exact positioning of the second slide element can be achieved by structural measures, it is proposed that four drive struts of invariant length, each with a pivot joint, act on the slide element, each of which struts is pivotally connected to a guiding slide, which is guided in a linearly movable manner transversely in relation to the longitudinal direction of the respective drive struts, and a maximum of two of which drive struts run parallel to one another.