Abstract: A multi-axis turntable includes a base, a rocker arm and a first driving device capable of driving the rocker arm to rock around the first rotation axis on the base. A swing arm and a second driving device, which is capable of driving the swing arm to swing around the second rotation axis on the rocker arm, are provided on the rocker arm. A workbench and a third driving device for driving the workbench to rotate around the third rotation axis are provided on the swing arm. The second rotation axis and the third rotation axis are parallel to each other or on different planes. Compared with the existing double rotating shaft turntable, the multi-axis turntable of the present invention has a cutting tool system of good and stable rigidity.

Abstract: A tortilla slicing assembly includes a disk that is mountable to a horizontal support surface. The disk has a plate which is rotatably disposed on the disk and a stack of tortillas can be positioned on top of the plate. A support frame is coupled to and extends upwardly from the disk. A cutting unit is pivotally disposed on the support frame and the cutting unit is urgeable downwardly on the support frame to cut the stack of tortillas. Furthermore, the plate is rotated a pre-determined amount each time the cutting unit is urged downwardly to cut the tortilla into a plurality of triangular chips.

Abstract: The disclosure relates to a workpiece handling systems and workpiece storage devices for elongate workpieces of shaft-like form which are at least substantially rotationally symmetrical relative to their longitudinal axis and which have along their longitudinal axis at least one projection extending in the peripheral direction, which projection protrudes radially outwards relative to a workpiece region arranged immediately axially adjacent thereto. The workpiece storage device includes a base plate and a plurality of workpiece holders. The workpiece holders are fastened to the base plate and protrude upwards therefrom, and which define workpiece receiving surfaces.

Abstract: A machining device for duplex gear of high-precision reducer for robot includes a laser welding device, a laser rotary support, a rotary mechanism and a rotary platform, the rotary mechanism being installed with a reducer body, wherein a center of a central gear is fixedly connected with a rotating shaft; sets of duplex gears are evenly disposed around the central gear; the gear of each set of duplex gear which is connected with the central gear are connected to an output gear ring from outside; a fixed gear ring is disposed above the output gear ring; a rotating frame is disposed at ends, close to the top of the reducer, of rotating shafts of the sets of duplex gears and the rotating shaft of the central gear.

Abstract: The turntable turnable about the table turning axis and the turning hooks mounted on the turntable turnably about the hook turning axes separated from the table turning axis are provided. By transmitting the turning of the turntable to the turning hooks, the pallet is conveyed by the engaging rollers provided on the turning hooks. Particularly, the turning hooks displace the engaging rollers in the pull-out direction by turning about the hook turning axes with respect to the turntable in the direction opposite to the turning direction of the turntable while turning about the table turning axis together with the turntable. Thus, the engaging rollers move along paths relatively close to straight lines. In this way, the pallet can be conveyed while the engaging rollers engaged with the pallet are moved along the paths close to the straight lines.

Abstract: A workstation includes at least one machining station with a fixed base provided with at least one tool, and at least one clamping assembly, for at least one workpiece to be machined, which can move between at least one configuration of alignment with a machining station and at least one configuration that is misaligned with respect to that station. The center has a fixed footing, which is provided with a substantially central post for supporting a supporting surface for supporting the at least one machining station, a motor drive unit being coupled to the post. The rotating portion of the motor drive unit is coupled to a turntable which is arranged so as to face and be proximate and parallel to the supporting surface. The at least one clamping assembly is integral with the tool.

Abstract: An inclining and rotating table apparatus includes a position adjusting mechanism for adjusting a position of an inclination frame with respect to a driven shaft at least in a vertical direction and provided between the driven shaft and the inclination frame, in which the driven shaft is formed in a hollow shape such that at least a part of a rotation drive motor is disposed therein, and has an attachment portion to which the inclination frame is attached and which extends in a radial direction and allows attachment of the rotation drive motor to the inclination frame, and the rotation drive motor is supported on the driven shaft via the inclination frame.

Abstract: A self-releasing clamping tool that mounts a wheel onto a wheel balancer. The clamping tool has an adapter plate and a planetary gear assembly. The planetary gear assembly is an adjustable support system that maintains the wheel in a desired orientation while being balanced. The planetary gear assembly has a central gear and a collection of gear studs. The gear studs are support members that can be repositioned to correspond to the lug holes of the wheel. The central gear is rotatably mounted onto the adapter plate and the gear studs are detachably mounted onto the adapter plate. The central gear synchronizes the motion of the gear studs and the gear studs are easily detached from the adapter plate. Thus, preventing damage when dropped. A central hole traverses through the assembly and plate to enable the clamping tool to be attached to the wheel balancer.

Abstract: A tilt device includes: a drive motor that provides a drive force for swinging a tilt member; an auxiliary cylinder coupled to the tilt member to assist swing of the tilt member by the drive motor; and a control device that performs drive control of the drive motor and the auxiliary cylinder. In the movable range of the tilt member, a moment about the swing axis generated in the tilt member by the gravitational force is always directed to only one side in the rotational direction, and an assistive moment about the swing axis provided to the tilt member by a cylinder pressure is always directed to only the other side in the rotational direction. The control device fluctuates the cylinder pressure such that the assistive moment is less than the moment generated in the tilt member by the gravitational force.

Abstract: A workpiece positioning device for a processing center, and a processing center and a method for positioning a workpiece mounted on a workpiece palette in a processing center is disclosed. The workpiece positioning device comprises a deposit place comprising a horizontal deposit surface for a workpiece palette with a workpiece mounted thereon and a pivot bearing that receives the workpiece palette on a first edge of said workpiece palette in a rotatable manner. Furthermore, the workpiece positioning device comprises a pivoting device for transferring the workpiece palette from a horizontal position into a vertical position, and vice versa. The pivoting device comprises a horizontal and a vertical linear axle and a gripping device and is disposed to grip a workpiece palette on another, second edge and to pivot, by simultaneously moving the horizontal and the vertical linear axles, the workpiece palette around the pivot bearing on a circular path.

Abstract: An EDM machine includes a machine head, a wire guide, a machining wire extending from the wire guide to the machine head, a rotary table mounted to a first surface and a fixed table mounted to the rotary table, and a fixture mounted to the fixed table. The fixture includes a mounting portion substantially circumscribing the fixture. The mounting portion further includes a mounting surface. The mounting surface is closer to a first surface than an upper surface of the fixed table.

Abstract: A rotary index table comprising a plate, which has drivers that engage with a drive groove of a cam barrel, wherein the plate can be driven by the cam barrel to carry out a rotational movement about a rotational axis which in turn can be driven by a motor to carry out a rotational movement about the longitudinal axis thereof, and wherein the motor directly drives the cam barrel.

Abstract: A component supply device which includes a moving slider for moving between a position near a wafer sheet replenishment section and a position near a mounter, a table supported on the moving slider, and a rotating mechanism for rotating the table around a specific rotation axis. The table is supported on the moving slider by a number one support point, a number two support point, and a number three support point which are provided on a circumference with the rotation axis at the center. The rotating mechanism includes a number one guide for moving number one support point in an arc with respect to the rotation axis, and driven guides for moving number two support point and number three support point in an arc with respect to the rotation axis.

Abstract: A chemical mechanical polishing system is provided. The chemical mechanical polishing system includes a platen, a load cup, a hub, a first polishing arm cantilevered from the hub and rotatable around the centerline of the hub between the platen and load cup, and a second polishing arm cantilevered from the hub and rotatable around the centerline of the hub between the platen and load cup the second arm rotatable independently from the hub.

Abstract: A rotary table is rotated by a machining load. A drive motor tries to return the rotary table to a positioned target position, and increases output torque. When the output torque reaches upper limit torque Tmax or when output torque which is equal to or greater than permissible torque Tp continues for predetermined time ?T, a target position which is sent to a drive motor is changed, thereby promoting reduction in output torque. If the output torque becomes smaller than permissible torque Tp, the target position is changed to bring position deviation of the drive motor equal to 0, and the position deviation is swiftly returned.

Abstract: A spin stand device has an adjustable base frame to allow width and depth profile adjustments and a multitude of mounting accessories which can account for efficiently painting a body part or item of many different types, makes, models, and years of vehicles; with minimized drying time and greatly reduced painting time due to the variety of positions achievable during the painting process.

Abstract: A device for fluid treatment of a plate-like article includes a rotary head for holding and rotating a plate-like article around a substantially vertical rotation axis drive elements to suspend and drive the rotary head without contact, the elements to suspend and drive the rotary head being arranged radially around the rotary head a substantially cylindrical sidewall, which is substantially concentric to the rotation axis, wherein the cylindrical sidewall is arranged between the rotary head and the drive elements and is introduced in the gap between the rotary head and the drive elements elevating members for lifting and lowering the rotary head and the wall relative to each other.

Abstract: A watercraft rotisserie system that enables the mounting of a watercraft for maintenance purposes, the watercraft rotisserie includes two L-shaped poles that extend vertically from a horizontal square bar. The poles include attachments for mounting brackets on each pole that enable the placement of the watercraft onto the brackets. The brackets are rotatable and therefore allow for the movement of the watercraft once the watercraft is placed in the brackets.

Abstract: A substrate processing apparatus configured to rotate a substrate, such as a wafer, is disclosed. The substrate processing apparatus includes: a substrate holder configured to hold and rotate a substrate; a natural frequency calculator configured to determine a natural frequency of the substrate; and a processing controller configured to control a rotational speed of the substrate based on the natural frequency of the substrate. The processing controller is configured to control the rotational speed of the substrate such that the substrate is rotated at a rotational speed that is different from a rotational speed corresponding to the natural frequency of the substrate.

Abstract: A pottery holding device and method for securely holding a workpiece during rotation and working of the workpiece on a wheelhead of a pottery wheel. The pottery holding device includes a wheelhead member and at least three holding members. The wheelhead member configured for attachment to the wheelhead of a pottery wheel. The at least three holding members and wheelhead member configured to allow selective locking of the at least three holding members in positions about the periphery of a workpiece. The device adapted to securely hold circular, non-circular symmetric and irregular, asymmetric or organic shaped workpieces. The device further adapted to securely hold workpieces in positions and orientations such that the center of the workpieces is aligned with the axis of rotation of the device, and positions and orientations such that the center of the workpieces is spaced from the axis of rotation of the device.

Abstract: A treatment machine for containers, in particular bottles, comprising a rotatable container table at least one lift guard cover formed laterally around the container table and at least one lateral machine cover secured to a lower frame below the lift guard cover. The machine cover is displaceable in a vertical direction on the lower frame. An area below the treatment machine is thus accessible for the purpose of cleaning without the necessity of demounting the machine cover.

Abstract: A treatment machine for containers, in particular bottles, having a rotatable container table; a lift guard cover formed laterally on the container table; and a rail guide, which is stationarily fixed in position above the container table and which has the lift guard cover secured thereto such that it is displaceable in a vertical direction. The lift guard cover includes a carrier for fastening to the rail guide, the carrier extending in a circumferential direction. The lift guard cover can be mounted in a suspended fashion. Access to the container table in the raised condition of the lift guard cover is not impaired by guide rails extending down to the container table.

Abstract: A machine for treating containers, particularly a labeling machine, comprising a portal and a base support with a carousel for receiving containers to be treated therein, the portal having an opening for transporting containers to be treated to the carousel, the opening being restricted by a support element provided with supports for supporting the portal at the ground, an upper part to which at least a part of the carousel is mounted, and two connecting elements for connecting the support element and the upper part with one another, the upper part extending from one connecting element to the other connecting element.

Abstract: Aligning machines for individual line ends (2) of cable (3) provide enhanced stress-free and precise alignment of line ends (2) of the cable (3) prior to the further processing thereof. Cable (3) is fixed in a clamp (5) opposite a rotor (4) provided with recesses (6, 7) for the exposed line ends (2). This rotor (4) is provided with a corresponding number of preferably parallel elongate blind holes (7) that connect to funnel-shaped guides (6) for the line ends (2). The rotor (4) and the clamp (5) for the cable (3) are movably mounted relative to one another.

Abstract: According to one embodiment, an apparatus for manufacturing a display device, includes: a first holding section configured to hold a first substrate; a second holding section configured to hold a second substrate; a turning section configured to turn the first holding section such that the first substrate and the second substrate face each other; a support section configured to support the first holding section after the turning; an adjustment section; and an elevation section. The adjustment section is provided at an upper end of the support section and is configured to adjust a distance between the first holding section after the turning and the upper end of the support section. The elevation section is configured to elevate the second holding section and attach the first substrate and the second substrate via an adhesive layer.

Abstract: A rotation drive device that rotates a jig plate on which a workpiece is set and a rotating shaft supporting device that supports the jig plate are disposed such as to oppose each other with the jig plate interposed therebetween. The rotation drive device and the rotating shaft supporting device are placed on a base plate. A spacer is inserted between the rotation drive device or the rotating shaft supporting device and the base plate, thereby making equal a center height of a rotating axis of the rotation drive device and a center height of a rotating axis of the rotating shaft supporting device.

Abstract: A workpiece carrier has a base frame, a shaft surrounding a drive axis and a workpiece carrier and includes a rotary frame mounted on the base frame so as to be rotatable about the drive axis, workpiece holders mounted on the rotary frame so as to be rotatable about holding axes, a driving part with a holder mounted so as to be rotatable about the drive axis, a transmission part operationally connected to the rotatably mounted workpiece holders, and an intermediate gear attached to the rotatably mounted holder. The intermediate gear is connected to the shaft and to the transmission part in such a way that the transmission part engages with the driving part so as to be rotatable about an output point that is spaced apart from the drive axis by an eccentricity.

Abstract: A bearing plate for positioning containers with a main body, having at least one first pressure element being arranged on the main body, where the first pressure element is arranged at least in part parallel to the main body, and furthermore a positioning being arranged on the main body and including at least one opening through which the first pressure element protrudes at least in part, and where the positioning body is formed as a second pressure element.

Abstract: A clamping device for components to be joined, which clamping device comprises: a first component holder for a first component, a second component holder for a second component, and a clamping structure which secures the component holders relative to one another in a joining position, and when the component holders are in the joining position, the clamping structure extends from an external face of the first component holder to an external face of the second component holder facing away from the external face of the first component holder and extends respectively around a peripheral edge of the component holders.

Abstract: A machine tool comprising a machine column, a work spindle moveable in guides along the machine column in two coordinate axes by a motor and adapted to receive a cutting tool, a machine bed arranged on the front end of the machine column and on the top side of which a horizontal linear guide for a workpiece table is arranged, and a linear motor for moving the workpiece table in the horizontal linear guide in a further coordinate axis. A channel-like chip space for collecting chips accumulating when the workpiece is machined extends on the top side of the machine bed in the direction of the further coordinate axis. The linear motor is arranged on the top side of the machine bed laterally and parallel to the channel-like chip space, wherein first and second guide rails of the horizontal linear guide are arranged on opposite sides of the linear motor.

Abstract: A processing apparatus configured to conduct a prescribed processing on an object to be processed in a specific environment, the processing apparatus comprising: a chamber configured to have an aperture and an interior accommodated to a specific environment; a mechanism of which at least a portion is contained within the chamber interior, while a remaining portion passes through the aperture without contacting the chamber; at least one support member configured to support the mechanism; a sealing member that configures a boundary of the specific environment and an atmospheric environment by connecting one end to the aperture and connecting the other end to the support member; and a rotary member configured to allow relative rotation around a vertical axis between the support member and a structure that supports the support member.

Abstract: A machine tool includes a rotary table on which a workpiece is mounted, a clamping mechanism for clamping the rotary table against rotation, and a sensor for detecting completion of a clamping operation of the clamping mechanism. A numerical controller for controlling the machine tool calculates the time required for actual operations of the clamping mechanism, taking into account beforehand the processing time for processing a feedback signal from a sensor and the time until the next operation of the machine tool. By controlling the clamping mechanism based on the calculated required time, the cycle time of clamping or unclamping operations is shortened.

Abstract: A turntable for a wrapping machine for rotating an article to be wrapped up, the turntable including a rotatable round cover plate comprising two grooves in parallel with each other and arranged at a distance from each other that corresponds to the distance between the forks of the lifting fork of a pallet truck, wherein the grooves extend from the edge of the cover plate on both sides of the diameter of the cover plate and in parallel to the diameter, and wherein the grooves are adapted to receive the forks of the lifting fork so that the article to be wrapped up can be conveyed by the pallet truck onto the cover plate to be supported by it, and respectively off the cover plate.

Abstract: A test platform includes an annular rail, a supporting member rotatably mounted upon the rail, a number of wheel members mounted on a bottom of the supporting member, and a number of cleaning members mounted on the bottom of the supporting member. Each wheel member includes a wheel capable of rolling along the rail. Each cleaning member includes a cleaning portion rested on the rail. The wheels roll along the rail to rotate the supporting member and the cleaning member. The cleaning portions slide relative to and clean the rail.

Abstract: A workpiece holder for a surface grinding machine is provided. The workpiece holder includes a central workpiece holder shaft around which the workpiece holder can be driven in rotation, at least one workpiece fixture to hold at least one workpiece, and at least two holder parts movable relative to one another that jointly define the at least one workpiece fixture and that can be fixed relative to one another by means of a joining device.

Abstract: A workpiece carrier has a base frame, a shaft surrounding a drive axis and a workpiece carrier and includes a rotary frame mounted on the base frame so as to be rotatable about the drive axis, workpiece holders mounted on the rotary frame so as to be rotatable about holding axes, a driving part with a holder mounted so as to be rotatable about the drive axis, a transmission part operationally connected to the rotatably mounted workpiece holders, and an intermediate gear attached to the rotatably mounted holder. The intermediate gear is connected to the shaft and to the transmission part in such a way that the transmission part engages with the driving part so as to be rotatable about an output point that is spaced apart from the drive axis by an eccentricity.

Abstract: A workpiece carrier (2) comprises a rotary frame (3) and a driving part (22), both of which are rotatable about a driving axle (4). The rotary frame (3) can be driven by a motor (6), and carries a plurality of workpiece holders (13) which are distributed around the driving axle (4) so as to be rotatable about holder axes. Mounted in the driving part (22) on a mount is a pinion (25) which engages with a stationary central wheel (21) and a ring gear (27) of a transmission part (26), at the centre of which lies an output point (29) which is at a distance of an eccentricity from the driving axle (4). Driving apertures (28) on the transmission part (26), through which driving pins (19) of the workpiece holders (13) project, are also at the distance of the eccentricity from the holder axes.

Abstract: An automobile rotisserie may include a pair of support columns, a neck clamp clamped to each support column, a rotation assembly attached to each neck clamp, a swing arm clamp attached to each rotation assembly, a swing arm received in and clamped by each swing arm clamp, a balancing assembly effective for controlling the movement and positioning of the swing arm within the swing arm clamp, and a mounting arm extending from each swing arm. Each neck clamp and/or swing arm clamp may include an L-shaped outer clamp plate and a W-shaped inner clamp plate. Each rotation assembly may include an outer sleeve attached to a neck clamp, an inner insert sleeve attached to a swing arm clamp, a plurality of ball bearings between the outer sleeve and the inner sleeve to facilitate rotational movement of the inner sleeve within the outer sleeve, and a retainer bearing to retain the inner sleeve within the outer sleeve.

Abstract: A turntable assembly for a stretch wrapping machine comprises a frame, a hub rotatably mounted to the frame on a shaft, a turntable mounted to the hub, and a plurality of rollers rotatably mounted to the frame defining a generally horizontal supporting plane for the turntable. Each roller has an axis of rotation generally parallel to the supporting plane and generally passing through the turntable axis of rotation. The frame is constructed so as to elastically deform, upon a load being placed upon the turntable that results in the load not being evenly supported by the rollers, to permit the roller axis of rotation to tilt relative to the horizontal supporting plane while still passing through the turntable axis of rotation.

Abstract: An embodiment of a multiple axis positioner comprises a main headstock that has a main hollow bore. A main indexing table is attached to the main headstock. The main indexing table has a through-hole near the its center. The through-hole aligns or is substantially coaxial with the main hollow bore of the main headstock. The embodiment of the multiple axis positioner further includes at least three minor headstocks mounted to the main indexing table. The at least three minor headstocks have minor hollow bores.

Abstract: An installation for welding top plugs on to nuclear fuel rods comprising a device for axially holding said rod and setting it in rotation and a weld chamber, where said device comprises a gripper and means to close the gripper on the rod, where said means comprise a pusher to apply an axial force on to the gripper, a linear actuator of axis parallel to the lengthways axis of the device, a yoke translationally secured to said pusher, and able to rotate freely around a fixed axis orthogonal to the lengthways axis which is not secant with the latter, where said yoke is connected and able to pivot relative to the linear actuator around a fixed axis parallel to the orthogonal axis such that the linear actuator causes the yoke to rotate around the first orthogonal axis and causes the pusher to slide, closing the gripper on the rod.

Abstract: In a method and a device for machining an elongate workpiece that is not rotationally symmetrical in the form of turbine blades, the workpiece is supported by a steady rest that has clamping elements for clamping the workpiece on the cross-section thereof that is not rotationally symmetrical. After clamping the workpiece, the steady rest moves with its open clamping elements along the longitudinal axis of the workpiece into a supporting position. During movement of the steady rest into the supporting position and/or while the supporting position of the steady rest is being changed, a collision between the open clamping elements of the steady rest and the workpiece is prevented by a program-controlled rotation of a rotary part of the steady rest.

Abstract: A balancing device, particularly for turbocompressors, comprising a base structure which supports elastically a supporting structure which has a flange for supporting a receptacle of a rotating element and a rotating element, wherein the rotating element can move with a rotary motion about its own rotation axis; actuation elements being adapted to actuate lever elements along a substantially radial direction; the lever elements being adapted to generate a force for fixing the receptacle of the rotating element to the supporting flange in a direction that is substantially parallel to the rotation axis.

Abstract: A supporting member, carrier and method of supporting are provided with a supporting member main body mounted to freely rotate. The supporting member main body is provided with a plurality of projections extending radially from a central rotation axis. Since the substrate is supported by abutment of the projections with an end of the substrate, the occurrence of cracking in the substrate can be prevented or the durability of the supporting member main body can be increased.

Abstract: A mounting head unit includes a main body section, a plurality of retaining sections, and a driving mechanism. The plurality of retaining sections are configured to be capable of retaining a plurality of components. The plurality of retaining sections each have a longitudinal direction and are rotatably supported by the main body section to be arranged in a direction across the longitudinal directions. The driving mechanism include a plurality of rotation mechanism sections respectively mounted on the plurality of retaining sections for rotating each of the plurality of retaining sections such that the rotation mechanism sections are mounted at different mounting positions in the longitudinal directions of the retaining sections adjacent to each other.

Abstract: A machine tool comprising a machine column, a work spindle moveable in guides along the machine column in two coordinate axes by a motor and adapted to receive a cutting tool, a machine bed arranged on the front end of the machine column and on the top side of which a horizontal linear guide for a workpiece table is arranged, and a linear motor for moving the workpiece table in the horizontal linear guide in a further coordinate axis. A channel-like chip space for collecting chips accumulating when the workpiece is machined extends on the top side of the machine bed in the direction of the further coordinate axis. The linear motor is arranged on the top side of the machine bed laterally and parallel to the channel-like chip space, wherein first and second guide rails of the horizontal linear guide are arranged on opposite sides of the linear motor.

Abstract: A clamping device in a main shaft driving device for a machine tool, in which the main shaft driving device rotationally driving a main shaft by a driving device, the clamping device includes: a braking member provided at a side of the frame and including a pressure-receiving surface and a braking portion; a pressure chamber formed by the pressure-receiving surface and the frame; and an operating fluid supplying mechanism provided for supplying the operating fluid from an operating fluid supply source to the pressure chamber. The press-contact force is caused to act upon the main shaft. The operating fluid supplying mechanism includes a switching portion that selectively supplies the operating fluid. The braking member is formed so that the braking portion causes the press-contact forces that differ from each other.

Abstract: An embodiment of a multiple axis positioner comprises a main headstock that has a main hollow bore. A main indexing table is attached to the main headstock. The main indexing table has a through-hole near the its center. The through-hole aligns or is substantially coaxial with the main hollow bore of the main headstock. The embodiment of the multiple axis positioner further includes at least three minor headstocks mounted to the main indexing table. The at least three minor headstocks have minor hollow bores.

Abstract: An apparatus for rotation of a structural beam during fabrication thereof comprises spaced mounting members, each mounting member including a base frame and a circular support bracket supported for rotation by spaced rollers mounted on said base frame. At least one of the spaced rollers includes a drive mechanism to rotate the support brackets with a beam located therein. Each support bracket comprises a beam clamp mechanism with a stationary portion and a movable portion pivotably mounted thereto to form opposable jaws to receivably locate said beam therein.

Abstract: An exemplary cutting apparatus for cutting components from a sprue includes a sprue retainer, a laser cutting unit, and a rotating driving unit. The sprue retainer has a supporting surface. The supporting surface defines a receiving hole, and grooves extending across the entire supporting surface. The grooves are in communication with the receiving hole. The laser cutting unit is disposed above the sprue retainer and is configured for emitting a laser beam to cut the sprue carried on the sprue retainer. The sprue retainer is coupled to the rotating driving such that the rotating driving unit is capable of driving the sprue retainer to rotate.