Abstract: A reclamping device for reclamping a workpiece between two vices has a handling device for positioning and actuating the two vices and a reclamping station which contains a carrier for holding a first vice in an accurate position. The reclamping station contains a pressure device with a pressure plunger movable relative to the carrier by an actuator for pressing the workpiece against the first vice positioned on the carrier.

Abstract: The drilling machine includes a spindle, a spindle motor, a frame including, a linear motion guide support plate, a motor support portion, and a ram support plate disposed at a front end of the linear motion guide support plate, and having a height lower than the motor support portion, a linear motion guide disposed on the reference surface, a slider having a nut mounting hole to reciprocate along the linear motion guide, and having a height substantially the same as the motor support portion, a ram penetrating the first ram guide hole, a feed screw including a screw shaft having a rear end supported by the motor support portion and a front end that is a free end, and a nut fastened to the nut mounting hole; and a feed motor connected to the screw shaft.

Abstract: To provide a rod member feeding device that reduces the load on a spindle chuck and a finger chuck when a rod member is positioned, as well as providing a machine tool provided with the rod member feeding device, and a control method for the rod member feeding device. A rod member feeding device includes: a feed rod for supplying a rod member to a spindle; a servomotor for moving the feed rod along the axial direction of the spindle; and a control device (exemplified with a motor control device and a control device) for controlling the driving of the servomotor. The control device calculates a deviation between a command position based on an advance amount of the feed rod and the actual position of the feed rod that has been actually advanced by the driving of the servomotor, and controls the driving of the servomotor based on the magnitude of the deviation.

Abstract: A laser pipe cutting device is provided. It includes a cutting head, a lathe bed, a first chuck, a second chuck and a third chuck; the first chuck is a fixed chuck for positioning axially and radially a pipe fitting; the second chuck is a rolling chuck for positioning radially the pipe fitting; and a fixed clamping disc and a rolling clamping disc are arranged on the third chuck at both ends. In the scheme, the third chuck integrates both the rolling clamping function and the fixed clamping function to achieve larger supporting weight and more accurate clamping precision, so that the chucks can drive a thin pipe fitting to rotate at a higher speed, the cutting efficiency is improved, and no-dead-angle and zero-tailing cutting is achieved.

Abstract: A peeling machine according to the present invention includes a cutter head and a feed mechanism having upper and lower feed rollers, and the feed mechanism includes a first holder that supports the lower feed roller, a second holder that supports the upper feed roller, a roller opening/closing driving mechanism, a synchronizing mechanism that has a pinion disposed in the same vertical plane as axes of the both feed rollers and first and second racks, and a grasping-force applying cylinder that applies a downward work grasping force to the second holder.

Abstract: An automated oil containment boom recovery apparatus and method is disclosed. The apparatus is comprised of a base frame having upward extending boom supports on which are mounted corresponding rotatable wheel and tire combinations. The wheel and tire combinations are pivotally adjustable with respect to each other as desired to accommodate the width of an oil containment boom. Hydraulic motors are provided for rotation of each axle and its corresponding wheel and tire combination. When an oil containment boom is placed lengthwise between the wheel and tire combinations, the boom is gripped between the rotating wheel and tire combinations and drawn into the recovery vessel.

Abstract: A single apparatus handles drill steel to position the drill steel pieces for tooling and repair by a lathe. Drill steel needing repair is accepted on rails of the apparatus. A drill steel piece to be repaired is moved along the rails and is moved onto hydraulic drive cylinders. The drive cylinders raise and move a first end of the drill steel piece into the lathe. Support cylinders raise to support the piece while it is being re-threaded and repaired by the lathe. The drive cylinders reverse to remove the drill steel piece from the lathe. A pivot raises to capture the drill steel piece and rotates the piece to present a second end of the piece to the lathe. The drive cylinders and support cylinders likewise present, support, and remove the second end to the lathe for re-threading and repair. A unitary frame supports the rails, the drive cylinders, the support cylinders, the lifting/rotating pivot cylinder, and the hydraulics of the apparatus.

Abstract: A low-cost, easily manufactured stock puller with unibody construction that positions stock on a CNC lathe is provided herein. The stock puller is constructed from a lightweight, yet highly durable material that does not mar the stock as it is being pulled. The stock puller comprises a shank and two jaws that are constructed from the same piece of material. A means for adjusting gripping tension passes through the two jaws which extends the service life of the stock puller by tightening the gripping tension of the jaws. The tightening of the jaws compensates for any loss of gripping tension due to normal wear and tear.

Abstract: A system for modifying a hypotube may include a hypotube holding subsystem, a hypotube collection subsystem, and a cooling subsystem. The hypotube holding subsystem may be configured to inhibit sag of a held hypotube. The hypotube collection subsystem may be configured to collect a hypotube after laser cutting. The cooling subsystem may include a valve configured to direct gas into the hypotube collection subsystem.

Abstract: The guide bushing (1) for a machine tool, especially for an automatic lathe, includes at least two segments (2), each segment being connected on both sides to a neighboring segment by an elastic means (3) in order to form an axisymmetric body of axis (1A) and has a central opening (10) enabling a bar to be machined to pass through, each of the elastic means (3) extends axially along the axis (1A) in a groove (8) of the guide bushing.

Abstract: The device for automatically feeding blanks or half-finished workpieces to a machine tool, more particularly a CNC lathe, and automatically unloading the machined workpieces is composed of a gantry loader having an integrated feeder device that allows loading bars into the rear of the spindle of the lathe, thereby constituting a universal automatic feeding device. Furthermore, the latter more particularly allows a controlled removal of the bar end after all workpieces have been machined from a respective bar.

Abstract: The present invention relates to a loading magazine for guiding bar material on an automatic lathe with at least one spindle head that is displaceable in the longitudinal direction. According to the invention, the channel system of a loading magazine of this type is guided on a linear axis and coupled to at least one spindle head, which can be moved in a longitudinal manner, of the automatic lathe such that the bar-guiding channel system can be moved synchronously with the spindle head in drag operation. The formation zones for vibrations in the transition region between the loading magazine and automatic lathe are thus reduced.

Abstract: A feeder for rods into a lathe by a motorized thruster for sliding and pushing a rod along a guide towards a processing lathe until the rod is taken by the lathe. An automatic control device actuates the thruster to advance according to a first thrust value and a sensor detects the movement of the thruster. If the sensor detects a minimum movement or no movement at all a thrust increase is commanded up to a predetermined maximum value. If the thruster does not move at all, this indicates jamming.

Abstract: A feed rod vibration prevention support of a material feeder includes a guide device for guiding a feed rod moving to feed a material to a working machine, and a vibration attenuation mechanism for preventing the feed rod from being vibrated. The guide device further includes a guide and a bush supported by the guide having a feed rod placed thereon. The vibration attenuation mechanism includes a first elastic material located between the bush and the guide. The bush is provided with a flanged portion.

Abstract: A device and method to feed metal bars associated with a work machine including at least a drawing member for the metal bars. The device includes loading members to load one or more metal bars to the work machine, and one or more containing members in which the metal bars are disposed in respective bundles. The device also includes deflector members disposed downstream of the containing members and upstream of the drawing member, and movable laterally in independent manner with respect to the containing members, so as to be able to condition the position of at least a head portion of each of the metal bars picked up, relative to their lying position in the containing members, so as to displace them sideways one by one, or in groups, with respect to a nominal axis (X) in which the metal bars lie stationary in the respective containing member.

Abstract: Installation for sequential loading of bars of material, referred to as bars, in a functional subassembly of a machine for machining these bars, the installation including an elongated element, referred to as pusher, which has a front end, and is placed under the control of a first device, the pusher including at least one first part which has the front end and a second part that is connected to the first device and these two parts.

Abstract: There is provided a work supplying apparatus for automatically and smoothly supplying workpieces having various shapes and sizes from a rear end of a hollow spindle in a machine tool or assembling machine. The work supplying apparatus has a work pushing means for pushing the workpiece held by a holding means into a chuck, and a pusher for pushing and holding the workpiece supplied to a work receiver in the direction of the holding means.

Abstract: A rotary centering device for the transfer of a bar from the guiding channel of a feeder to a lathe, comprising a supporting element and provided with at least one circular seat in which a grip element for a bar is supported, the grip element being constituted by a bush which has a tubular portion and a plurality of sectors connected to the tubular portion, elastic elements being provided which act on the bush and are designed to control its axial movement between a first stop position, in which the sectors define a circular opening whose diameter is the same as that of the bar, and a second position, in which the sectors are moved until they form an opening to allow the passage of the bar pusher.

Abstract: A feed rod vibration prevention support of a material feeder includes a guide device for guiding a feed rod moving to feed a material to a working machine, and a vibration attenuation mechanism for preventing the feed rod from being vibrated. The guide device further includes a guide and a bush supported by the guide having a feed rod placed thereon. The vibration attenuation mechanism includes a first elastic material located between the bush and the guide. The bush is provided with a flanged portion.

Abstract: A feed rod vibration prevention support of a material feeder includes a guide device for guiding a feed rod moving to feed a material to a working machine, and a vibration attenuation mechanism for preventing the feed rod from being vibrated. The guide device further includes a guide and a bush supported by the guide having a feed rod placed thereon. The vibration attenuation mechanism includes a first elastic material located between the bush and the guide. The bush is provided with a flanged portion.

Abstract: A rotary centering device for the transfer of a bar from the guiding channel of a feeder to a lathe, comprising a supporting element and provided with at least one circular seat in which a grip element for a bar is supported, the grip element being constituted by a bush which has a tubular portion and a plurality of sectors connected to the tubular portion, elastic elements being provided which act on the bush and are designed to, control its axial movement between a first stop position, in which the sectors define a circular opening whose diameter is the same as that of the bar, and a second position, in which the sectors are moved until they form an opening to allow the passage of the bar pusher.

Abstract: A feeding device is installed on a machine and is utilized to convey a workpiece to be machined. The feeding device includes first and second feeding apparatus and in conveying the workpiece the workpiece has two lateral sides engaged by the first and second feeding apparatuses respectively. A clamping device is installed on the machine and is utilized to hold the moving workpiece. The clamping device includes first clamping mechanism including first and second clamping apparatuses and a second clamping mechanism including a third clamping apparatus, with the first and second clamping device holding the lateral sides of the workpiece and with the third clamping apparatus holding the top side of the workpiece.

Abstract: A feeding device is installed on a machine and is utilized to convey a workpiece to be machined. The feeding device includes first and second feeding apparatus and in conveying the workpiece the workpiece has two lateral sides engaged by the first and second feeding apparatuses respectively. A clamping device is installed on the machine and is utilized to hold the moving workpiece. The clamping device includes first clamping mechanism including first and second clamping apparatuses and a second clamping mechanism including a third clamping apparatus, with the first and second clamping device holding the lateral sides of the workpiece and with the third clamping apparatus holding the top side of the workpiece.

Abstract: A machine tool for cutting machining of work pieces has a tool spindle and a work piece spindle. The work piece spindle is a hollow spindle having a through hole extending through the spindle and a holding mechanism for holding a work piece at one end. The work piece held in the holding mechanism can be machined through the through hole by means of a machining tool held in the tool spindle.

Abstract: Installation for the sequential loading (1) of bars of material, referred to as bars (2), into a machining center (4), this installation including in particular a frame (5) and being characterized in that it is equipped: with a first device (700) which is, on the one hand, constituted by a first elongated body (7), the volume of which is substantially determined by a peripheral surface, referred to as first face (70), and comprising a plurality of first longitudinal cavities (71) which are each able to accommodate a bar (2) and each include a first opening (72) made in said first face (70), on the other hand, is able to carry out a fractional rotation about a first axis (73), aligned longitudinally, particularly carrying bars (2), so as to present the first cavities (71) in sequence to at least one first station (8), with a second device (900) which is, on the one hand, constituted by a second elongated body (9), the volume of which is substantially determined by a peripheral face, referred to as the s

Abstract: Disclosed is a bar feeder, which comprises a swing member designed to be swingably moved by a rotation shaft located above a guide rail. In normal mode, the swing member is kept in a standby in the vicinity of an upper position where the swing member is located to extend across and over a guide rail up to a bar rack. The swing member normally rotated to a lower position where the swing member is located on a far side from the bar rack with respect to the guide rail. During the process, the swing member receives a bar from the bar rack, and loads the bar to the guide rail. When a bar is removed from the guide rail, the movement of a bar to the swing member is inhibited by an inhibition member, and the swing member without a bar is moved to the lower position to create an ejection space between the rotation shaft and the bar rack. The present invention makes it possible to readily remove the bar loaded in the guide rail therefrom.

Abstract: A device for effecting an unloading operation of a workpiece with respect to a machine tool. The device includes a non-rotating dump tube having one end adapted for communication with a machine tool and a sidewall defining an opening for discharging a workpiece, a vacuum chamber enclosing the opening in the sidewall and including a workpiece outlet, the chamber configured to receive a workpiece from the dump tube, a door selectively sealingly engaged with the workpiece outlet, and configured to allow the unloading of a workpiece, and a source of vacuum coupled to the vacuum chamber and configured to draw a workpiece through the dump tube and into the vacuum chamber for unloading. A coupling may be disposed between an unloading device and a machine tool to allow the machine tool to operate at increased rates during an unloading operation.

Abstract: Installation for sequential loading of bars of material, referred to as bars, in a functional subassembly of a machine for machining these bars, the installation including an elongated element, referred to as pusher, which has a front end, and is placed under the control of a first device, the pusher including at least one first part which has the front end and a second part that is connected to the first device and these two parts.

Abstract: There is provided a bar material supply device of a simple configuration suited to machining of a bar material without increasing machining cost even when a short bar material such as an end material is machined.

Abstract: A feed rod vibration prevention support of a material feeder includes a guide device for guiding a feed rod moving to feed a material to a working machine, and a vibration attenuation mechanism for preventing the feed rod from being vibrated. The guide device further includes a guide and a bush supported by the guide having a feed rod placed thereon. The vibration attenuation mechanism includes a first elastic material located between the bush and the guide. The bush is provided with a flanged portion.

Abstract: A bar feeder includes a feeder tube mounted on a machine base, a transmission mechanism, a driving mechanism having a rotary shaft, a projecting rod connected to the driving mechanism and rotatable with the rotary shaft to engage or disengage from the transmission mechanism, a pushing rod, and a driven mechanism rotatable with the rotary shaft to move the pushing rod into engagement or away from the transmission mechanism. When the pushing rod and the transmission mechanism are coupled together, the pushing rod is movable along the feeder tube, and the projecting rod is disengaged from the transmission mechanism and moved away from the feeder tube. When the pushing rod and the transmission mechanism are disconnected, the pushing rod is not movable along the feeder tube, and the projecting rod is coupled to the transmission mechanism and movable along the feeder tube.

Abstract: An automatic bar-loader for lathes including a channel for feeding of a bar to the lathe mandrel and a bar-pusher powered by an electric motor controlled by a control unit and having a head collet for grasping the tail of a bar in the channel to make it run therein. The loader includes a sensor for measurement of the axial shifting of the bar-pusher designed for supplying a feedback signal to the control unit for control of the bar-pusher motor.

Abstract: The present invention relates to a machine intended for the machining of profiled elements (10), of the type comprising a longitudinal frame (1) provided with holding dollies (11, 13) for holding the profiled element to be machined (10). This machine is characterized in that it comprises at least two holding dollies (11, 13) capable, in the machining, of securing the slide-holding of the profiled element (10), and at least one drive dolly (15, 17), in which the profiled element (10) is slide-mounted, this drive dolly (15, 17) being provided with a device for securing its temporary fixed connection to the profiled element (10) such that the relative displacement of the latter relative to the machining head (9) in the longitudinal direction (yy?) is secured, at least in part, by the displacement of this drive dolly (15, 17).

Abstract: A bar stock loader for an elongate member and a method for use is includes a support apparatus with a support surface for supporting the elongate member and a translation apparatus proximate to the support apparatus. The translation apparatus is moveable and has an arm and a lifting mechanism for raising and lowering the arm. The translation apparatus is moveable between a first and second position whereby, when the translation apparatus is in the first position, the arm is positioned overlapping the support surface for receiving the elongate member, and when in the second position the arm is horizontally displaced from the support surface.

Abstract: A bar magazine for lathes includes at least one channel designed to receive a bar being machined and pushed along the channel by a bar-pusher collet. The magazine includes at least one bar centering member arranged in a zone along the channel. The bar centering member is movable, upon passage of the collet in the zone, between a first position of engagement with the bar for to center the bar in the channel and a second position removed from the bar to allow passage of the bar-pusher collet through the zone.

Abstract: Apparatus for the control of two translational movement mechanisms of a bar, including a first translational movement mechanism (6) situated in a machine tool (4) for turning, and a second translational movement mechanism (18) situated in an installation (1) for sequential Loading of such bars (2) into the machine tool (4), characterized in that it comprises: a first element (23) consisting of an elongated ruler which includes at least a plurality of marks successively disposed along its longitudinal dimension for defining a given step and indicating distinctly two opposite directions (S1, S2) of reading this first element (23) along its longitudinal dimension, a second element (24) consisting of a detector of marks bome by the first element (23), this second element (24), on the one hand, detecting each step of a relative movement between the first element (23) and the second element (24).

Abstract: A workpiece seat for the machining of bar-shaped workpieces by milling and turning. The workpiece seat has an elongated housing, a spindle rotatably supported in the housing, and an electric direct drive for the spindle. The drive rotor is fixed on the spindle and the drive stator is fixed in the housing. Clamping means are provided at the working end in the spindle for fixing a bar-shaped workpiece in the spindle. A connection unit is provided at the rear part of the housing for power supply. A fixing means is provided for fixing the spindle in the housing. To achieve high machining accuracy of thick bars and high clamping forces at reduced longitudinal dimensions, as well as relatively simple design, the fixing means is formed as a compact part and is arranged at the working end of the housing.

Abstract: A barstock bar feeder with a guide channel for encasing a barstock in a electro- or magneto-rheological hydrostatic oil bearing. Electro- or magneto-field generators are provided along the guide channel for selectively applying a field to the guide channel for changing the viscosity of the oil in the guide channel to dampen barstock vibration in the barfeeder.

Abstract: A vertical lathe is provided with a base, a main spindle, a headstock, a tool rest and a splash guard. The headstock is movable in a Z-axis direction and an X-axis direction and grips a bar workpiece by a chuck. The bar workpiece is machined by moving the headstock and a tool. A part which has been subjected to the machining is cut by a cut-off tool as a machined workpiece. The lathe has a supporting means, provided above the headstock, for supporting an upper end of the bar workpiece and a transfer means for receiving the machined workpiece from the chuck and for transferring the machined workpiece to an outside of a machining area.

Abstract: A spindle liner for a turning machine has an elongated polymeric member sized to fit within the inner diameter of a spindle and further has a bore through the polymeric member sized and shaped to receive a given size bar stock. The spindle liner may be installed within a spindle and bolted to a spindle flange by an adapter fixed to the spindle liner so that the spindle liner rotates with the spindle. The spindle liner attenuates noise and vibration of the rotating bar stock and eliminates whipping of the free end of the bar stock.

Abstract: A material stock advancing apparatus for use with a turning and milling machine having a computerized numeric controller or lacking programmable capabilities. The material stock advancing apparatus generally comprising an elongate body of cylindrical form having first and second ends and an interior chamber for housing therein a plunger assembly operably working therewithin. The second end comprising means for attaching the elongate body to an external holding device such as a collet or chuck adapter seated in a headstock spindle assembly. The first end comprising an end plug having a threaded section situated in between external and internal ends thereof, with the threaded section being threadably attached to the first end to permit the internal end to substantially engage a portion of the plunger assembly and ensure proper axial positioning of the plunger assembly during cyclic operation.

Abstract: In a fixture for supporting a workpiece in a machine tool by means of two support elements held in a housing with the workpiece lying on them, the support elements are configured as levers held in a rotating mounting in the housing, the levers being driveably connected together by means of a threaded spindle. The threaded spindle has counter-rotating thread sections in areas corresponding to the support elements, and each of the counter-rotating thread sections of the spindle engage in a sliding block, the sliding blocks being rotatably mounted in holes in the support elements. The threaded spindle is provided with a device for locking the support elements in a set operating position. The two support elements are jointly adjustable and lockable, so that they can be set and readjusted within a short time and in a manner so that production inaccuracies are precluded.

Abstract: A method of processing a piece of bar stock material having spaced ends and a predetermined diameter and including the steps of: attaching an adaptor to one end of the piece; directing the piece into a feeder sleeve bounding an internal passageway; moving the piece in the internal passageway from an upstream end toward a downstream end so as to expose a part of the piece for processing; performing at least one processing step on the exposed part of the piece; engaging a retrieval assembly with the adaptor; extending at least a part of the retrieval assembly into the internal passageway from a downstream end of the at least part of the retrieval assembly to a predetermined distance in an upstream direction; and with the retrieval assembly engaged with the adaptor, repositioning the retrieval assembly to thereby reposition the piece within the internal passageway.

Abstract: A bar guiding device in a feeder for feeding a machine tool, composed of two elements that have respective slots and can move with respect to each other between an open position, which allows insertion of a bar between them, and a mutually adjacent position, at which the slots form a longitudinal channel for advancement of a bar to be fed to the machine tool by way of a bar pusher connected to an actuation chain that is external to the channel by means of a bridge that is guided through regions where the elements mate, the regions being in mutual contact, so as to close the channel, and undergoing elastic deformation in order to allow passage of the bridge between them.

Abstract: A bar feeder for feeding an automatic lathe, comprising a bar magazine and a guide supplied by the magazine, a facing device being associated with the end of the magazine that lies opposite to the end that is adjacent to the lathe and being suitable to machine the rear end of the bar on which the bar pusher engages.

Abstract: The present invention provides a method and article involving a one-piece, unibody spindle liner having a tubular shape with an outside diameter and inside diameter that may be sized to fit virtually any spindle of a turning machine and to readily allow for the feeding therethrough of any size or shape of bar or tube stock. This invention provides that the axial centerline of the workpiece is maintained in concentric axial alignment with the working centerline of the turning machine to reduce wobble or “whip” of the stock during the machining process. The liner's inner bore and diameter is molded to match and allow for feeding of virtually any size and shape stock being turned, including but not limited to round, hex, square, and extruded. The inner bore is molded into the spindle liner along its entire length providing absolute support of the workpiece. The spindle liner also has a flanged mounting end to allow for the proper orientation and attachment to the spindle.

Abstract: To provide a lathing method and apparatus capable of realizing lathing of a bar member made of a hard cutting material and lathing a stock made of a hard cutting material by a lathe including an NC automatic lathe, although lathing of the hard cutting material is impossible in a conventional case, a round bar is rotatably held to be fed along the longitudinal direction of the round bar by a guide bush fixed on the main body side of the lathing apparatus, and the round bar is sequentially fed from the guide bush to a machining tool arranged on the main body side, thereby lathing the round bar in a cantilevered state. For this purpose, a round bar having a solid lubricant layer having a predetermined thickness on the outer surface of the round bar in advance, thereby lathing the round bar so as to reduce friction.

Abstract: A method of processing a workpiece including the steps of: placing a first preform element in a first operative position on a first holder so that a first portion of the first preform element is exposed; performing a processing operation on the first portion of the first preform element with the first preform element in the first operative position; transferring the first preform element into a second operative position on a second holder; with the first preform element in the second operative position exposing a second portion of the first preform element that is not exposed for processing with the first preform element in the first operative position; and with the first preform element in the second operative position and the second portion of the first preform exposed, performing a processing operation on the second portion of the first preform element.

Abstract: An apparatus for sequential loading, by means of a pusher, of bars in a rotating spindle of a machine tool, this loading apparatus comprising a device for alignment of an end of each loaded bar, on the axis of the spindle of the machine tool, the said alignment device itself comprising jaws which, having bearing surfaces able to define a cylindrical support around the bar, are supported by a mechanism allowing their counter-displacements, wherein said mechanism for displacement of the jaws of the apparatus includes: a drive element, a device for control of this drive element, and this as a function of at least one of the parameters which are: the diameter of the bar to be loaded in the machine tool, the diameter of the pusher in a part capable of being engaged in the jaws, the surpassing of a predetermined threshold for vibrations in the bar.

Abstract: Provided is a method of controlling a bar supplying apparatus capable of automatically setting a timing of opening a run-out preventing chuck, a timing of cutting a bar short, and a timing of replacing the bar by the minimum input work. A controller 115 of an NC lathe 110 extracts length data (1) of a product and dimensional data (s) of a cutting width from a machining program, calculates the position of a feeder 123 on the basis of those data, and controls supply of a bar W to bar supporting units 128a to 128c, opening/closing of run-out preventing chucks 129a to 129d, and feeding and replacement of the bar W on the basis of the position of the feeder 123.