Abstract: Provided is a firearm noise suppressor having a baffle chamber unit defining a plurality of separated interior chambers and having a length and a substantially imperforate outer wall surface. The interior chambers are separated by at least one interior baffle wall with a central opening configured to allow passage of a projectile. A removable identification member with identifying indicia thereon assembled on the baffle chamber unit covers at least a portion but less that the entire length of the outer wall surface of the baffle chamber unit's length and a selected area of the member is affixed to the outer surface of the baffle chamber unit so as to prevent the removal of the member without a machining process to the selected area.

Abstract: A three-dimensional printing system includes a vertical support beam, a resin vessel assembly coupled to the vertical support beam and including a resin vessel, and a support tray positioning system. The support tray positioning system includes a support tray elevator, a lead screw nut, a motorized lead screw, an intermediate nut, and a linear bearing. The motorized lead screw engages the lead screw nut to raise and lower the support tray elevator. The linear bearing constrains motion of the support tray elevator to vertical motion. The support tray elevator, the intermediate nut, and the lead screw nut interlock to constrain rotational motion of the lead screw nut with respect to the support tray elevator while allowing for two dimensional lateral motion of the lead screw nut with respect to the support tray elevator to accommodate mechanical tolerances of the lead screw with respect to the linear bearing.

Abstract: Provided is a method of repairing a firearm noise suppressor that includes a baffle chamber unit and a removable identification band with identifying indicia thereon with material of an area of the band is affixed to the baffle chamber unit to prevent the removal of the band without a machining process to the selected area. The method includes machining the affixed area of the band to remove the affixed material, removing the band from the baffle chamber unit, repairing or preplacing the baffle chamber unit, reinstalling the band on the baffle chamber unit, and affixing a different area of the band to the baffle chamber unit to prevent the removal of the band without a machining process.

Abstract: A power tool for joining a deformable element having a threaded shaft to a workpiece. The joining tool comprising a threaded dowel adapted to receive the threaded shaft and rotatably within the housing. A nose is arranged around the threaded dowel, and the dowel is slidably movable relative to the nose. A motor drives a drive train to rotate the threaded dowel. A hydraulic system drives another drive train to move the threaded shaft and compress the deformable element. The joining tool includes a sliding unit. The nose is attachable to the sliding unit, and in an attached position the nose is slidably connected to the housing so that the hydraulic system may move the nose axially to compress the deformable element.

Abstract: A paintless vehicle dent repair tool for repairing dents, such as dents caused by hail damage, in the top of a vehicle. The repair tool includes an elongated, annular shaped, tool body. The tool body includes a concave, wedge-shaped end portion for engaging and removing glue from a dent and a hollow opposite end portion. The hollow opposite end portion is used for holding a removable spray bottle of alcohol. A spray of alcohol is used for helping release dried glue from a raised dent on a vehicle.

Abstract: A portable crimper tool is disclosed having a frame, a crimper anvil and a bolt adapted to engage the frame and connected to the crimper anvil for actuation of the crimper tool.

Abstract: A crimping machine system including a set of crimping jaws placed in a circular array and defining a central axis; a flange structure configured to move in parallel with said central axis; a first power transmitting member equipped with inclined guide surfaces, placed between the jaws and the flange structure, and forcing the jaws to move radially towards the central axis; a circular structure configured to rotate around said central axis; and a second power transmitting member equipped with helical guide surfaces and placed between the circular structure and the flange structure, wherein while the circular structure rotates around the central axis, said power transmitting member is configured to force the flange structure to move in parallel with the central axis.

Abstract: A panel bender (10) designed for making bends on sheet metal sheets (13) comprises a substantially C-shaped main structure (11) equipped with a fixed element (12) and a mobile element (14) designed to support and clamp in a preset position a sheet metal sheet (13) to be bent, and also comprises a substantially C-shaped blade holder structure (16) connected to the main structure (11) and mobile in space inside this by means of a series of vertical guides (15) at right angles to the plane of the sheet metal sheet (13) to be bent. The blade holder structure is equipped with an upper blade (26) and a lower blade (27) designed to enter into contact with the surface of the sheet metal sheet (13) to be bent clamped between the mobile and fixed elements (12, 14) of the main structure (11) and to deform the sheet metal sheet by means of a movement with a programmable trajectory.

Abstract: A system for repairing a pipe including a tool, a programmable logic controller and a patch. The tool includes a clamp base having an opening, a first jaw coupled to the clamp base with a first linkage, a second jaw coupled to the clamp base with a second linkage, an operating mechanism carried by the clamp base and operably coupled to the first and second jaws via one or more adjusting links and a junction box carried by the clamp base and operably connected to the controller, wherein the one or more adjusting links are coupled at a first end to either or both of the first and second jaws and at a second end to the operating mechanism, and wherein the first and second jaws are adapted to move, under force of the adjusting links. Methods of repairing pipes are disclosed.

Abstract: A hand and mechanically activated rivet setting device uniquely and integrally designed to set multiple different types of rivets comprising tubular, semi-tubular and solid rivets made entirely or in part from aluminum, brass, steel and stainless steel having multiple different kinds of heads comprising truss, dome and flat rivet heads; in a work product consisting of pieces and components to be riveted together. The device has the means to set rivets from different positional locations within the device and provides the device operator the ability to completely control the rivet setting process, assuring precision rivet setting without damaging the pieces or components being riveted.

Abstract: An apparatus for applying labels to products includes a label application station at which the labels are applied to a product and an application head movably mounted relative to a base for movement between a first operative loading position spaced from the label application station and a second operative application position at which the application head applies at least one label to a product positioned at the label application station. An electrically actuated solenoid is operatively connected to the application head to move the application head between the first and second operative positions.

Abstract: A hand and mechanically activated rivet setting device uniquely and integrally designed to set multiple different types of rivets comprising tubular, semi-tubular and solid rivets made entirely or in part from aluminum, brass, steel and stainless steel having multiple different kinds of heads comprising truss, dome and flat rivet heads; in a work product consisting of pieces and components to be riveted together. The device has the means to set rivets from different positional locations within the device and provides the device operator the ability to completely control the rivet setting process, assuring precision rivet setting without damaging the pieces or components being riveted.

Abstract: A control device, for a servo die cushion, by which the speed of a die cushion is prevented from largely deviating from the speed of a slide, whereby the press force between the slide and the die cushion is not significantly reduced. The control device includes a slide speed detector for detecting the speed of the slide, a die cushion speed detector for detecting the speed of the die cushion, and a die cushion speed commanding part for controlling the speed of the die cushion. When a tentative speed command of the die cushion is largely deviated from the detected slide speed, the command of the die cushion is corrected such that the absolute value thereof does not exceed the value calculated by adding the absolute value of the detected slide speed to a positive constant.

Abstract: A portable handheld device for introducing an external profile into a longitudinal workpiece by noncutting shaping includes a locking element and a profiling tool having a pitchless profile disposed opposite the locking element and disposable at an adjustable angle as a function of a desired lead angle of the external profile within a force transmission plane, wherein the workpiece is disposable and removable between the profiling tool and the locking element, and wherein the profile tool and the locking element are configured to execute a feed movement relative to one another and to be adjustable to a neutral position.

Abstract: A die-cushion controlling device includes a position-command-signal outputting section for outputting a position command signal of a die-cushion pad; a position detecting section for detecting a position of the die-cushion pad; a position comparing section for outputting a position deviation signal corresponding to a deviation between a target position value based on the position command signal and a position detection value based on a position detection signal; a position controlling section for outputting a position-speed command signal based on the position deviation signal; a speed controlling section for outputting a motor-current command signal based on the position-speed command signal; a servo amplifier for generating a current corresponding to the motor-current command signal; and an escape-position-command-signal outputting section for outputting a position command signal for commanding the die-cushion pad to escape from a bottom dead center position based on a press signal outputted when a slide ha

Abstract: A gun barrel stamping tool includes a die ram having a first U-shaped gun barrel fastener, a die container having a second U-shaped gun barrel fastener, and at least one die ram to die container fastener. The die ram and the die container each include opposing longer sidewalls and an elongate aperture located medially within each longer sidewall, the fastener being received by the elongate aperture. The die ram and die container combine to form an interior space for receiving a punch die. A circular aperture located medially within the shorter sidewall of the die container receives a punch die fastener for securing the punch die against the end wall of the die ram. The die container may include an adjustment mechanism for widening the interior space of the die container. The U-shaped gun barrel fasteners are located on opposing ends of the die ram and die container.

Abstract: The invention relates to a tool, suitable for body shops for correcting damaged vehicle body sheets, but also suitable for saving people trapped in a damaged vehicle and also for other applications that require opposite codirectional forces of high intensity with a rectilinear movement of a movable element, which is practical and independent from external energy sources. The tool (1) uses, as source of rotational movement, a common electric screwer (2) connected in a releasable way within the box (70) of said tool, with its driven shaft connected to a screw mechanism which supports in translational movement a movable element (10). The box of the tool has a front face (8) and a rear face (23), arranged at the lend of the side faces (29, 29?) and the lower face kept together by the four screw pulling elements (28, 28?) tightened by respective four nuts (25). On the front face (8) a fixed element (9) is connected, in which telescopically slides the movable element (17) operated by the screwer (2).

Abstract: A die cushion controller, for driving a die cushion, disposed in opposition to a slide of a press machine, by controlling a servo motor, including: a pressure command portion which prepares a pressure command value for exerting a predetermined pressure to a press material disposed between the slide and the die cushion; a pressure detecting portion which detects an actual pressure exerted on the press material; a speed correction value preparing portion which prepares a speed correction value by multiplying a differential value of the pressure command value prepared by the pressure command portion by a coefficient; and a first speed command portion which prepares a speed command value to be instructed to the servo motor based on the pressure command value prepared by the pressure command portion, the actual pressure detected by the pressure detecting portion, and the speed correction value prepared by the speed correction value preparing portion.

Abstract: Press driving modules are provided to permit a standardized press design. The presses of a press line are equipped with always identical press driving modules, and the pressing force of the presses is varied only by the adaptation of the number of press driving modules. The press driving modules each contain two driving devices, respectively, that interact parallel or in series and have different characteristic curves. In particular, they have different maximal traveling speeds and different maximal forces. They can also have a different design with respect to their positioning capability and path resolution. This concept permits not only a standardization of presses of different performance classes within a press line but, beyond that, the largely free definition of characteristic path-time curves of the slides, and thereby finally also a freer design of workpieces, particularly of vehicle body parts.

Abstract: An improved method and apparatus are provided for constructing and operating a linear actuator, and equipment incorporating a linear actuator, by operatively connecting a pressure biasing pneumatic arrangement between the driving member and the driven member of a mechanical linear actuator for applying a unidirectional biasing force between the driving and driven members, along an axis of motion, regardless of the location or movement of the driving and driven elements with respect to one another along the axis of motion. The pneumatic biasing arrangement is also configured, connected and operated to reduce the force which must be exerted by the driving and driven members in extending and retracting the linear actuator. The pneumatic biasing arrangement may further be configured for preferentially aiding extension or retraction of the actuator.

Abstract: Provided is a die cushion controller that controls an ascending/descending speed of a die cushion based on a predetermined pressure pattern 56. The pressure pattern 56 has a low pressure target value PL which is first followed by an increased cushion pressure, a high pressure target value PH corresponding to a requisite cushion pressure for retaining a workpiece, and a complementary target value PC which is followed by the cushion pressure at a substantially linear increase rate for a predetermined period of time T2 until the cushion pressure exceeds the low pressure target value PL and reaches the high pressure target value PH. The cushion pressure overshooting the low pressure target value PL continues to follow the complementary target value PC, so that an overshooting amount occurring at a time point at which the cushion pressure reaches the high pressure target value PH can be reduced. As a result, pressure variation in the cushion pressure can be suppressed.

Abstract: A control device for a press machine, by which one of the slide and the die cushion is suitably controlled, when a malfunction occurs in the other, such that the force between the slide and the die cushion does not excessively increase. The control device includes a slide control part for controlling the motion of the slide and a die cushion control part for controlling the motion of the die cushion. A first transmitter transmits an abnormal signal from the die cushion control part to the slide control part when a first detector detects a malfunction of the die cushion. The slide control part is configured to move the slide, when receiving the abnormal signal, such that the slide is away from the position of the die cushion at the time of receiving the abnormal signal by a certain distance and, to stop the slide.

Abstract: A control apparatus for controlling a die cushion mechanism including a servo-motor as a drive source and producing a force adapted to be applied outside. The control apparatus includes a force commanding section for commanding a force to be produced by the die cushion mechanism; a force detecting section for detecting a force produced by the die cushion mechanism; a force controlling section for executing a force control on the servo-motor, based on a force command value commanded by the force commanding section and a force detected value detected by the force detecting section; and an abnormality preventing section for preventing, in association with a control state of the servo-motor, the die cushion mechanism from producing an abnormal force.

Abstract: A pressing apparatus using a motor, in which a driving device for fast feed, which lowers a upper die to a position immediately before pressing, and a motor for pressing, which performs a pressing operation, are used to cause the driving device for fast feed and the motor for pressing to operate cooperatively, and only one position detector, which detects a present position of a slider, is provided for a set of the driving device for fast feed and the motor for pressing. A lock device is provided so as to lock the slider and the screw shaft while the motor for pressing is operating for pressing a work piece.

Abstract: A press machine in which the service life of a ball thread mechanism is extended. The press machine includes a die 2, a punch 4, a press drive mechanism 6, a height position changing mechanism 21, and a die height position control device 32. The press drive mechanism 6 is configured to move the punch up and down. The press drive mechanism includes at least one ball thread mechanism 10 in which a nut 13 is threaded via balls 12 onto a threaded shaft 11. A rotational drive source 14 is provided to rotate one of the threaded shaft 11 and the nut 13. The position changing mechanism 32 is configured to change the height of the die 2. The die position control device 32 controls the height of the die 2 via the position changing mechanism 21 so that the position varies where the balls 12 come into contact with the inner face of the thread grooves 11a of the threaded shaft 11 during pressing.

Abstract: A tool is provided for forming a dimple on the edge of a metal sheet to facilitate projection welding of the sheet to an adjacent metal sheet. A reversible drill motor has a housing and chuck. A mounting bracket clamps onto the housing and a base is attached to the mounting bracket. A frame is attached to the base and has spaced apart arms. A first dimple forming die is mounted on one of the arms and a second dimple forming die is slidably mounted on the other of the arms. A driveshaft has a threaded end engaged in a threaded aperture of the second dimple forming die and a drive end captured in the chuck. Rotation of the driveshaft in one direction advances the second dimple forming die toward the first dimple forming to form a dimple in a sheet edge interposed between the dies.

Abstract: A device for controlling a die cushion mechanism including a servo-motor as a drive source and producing a force adapted to be applied to a slide in a press machine. The device includes a section for commanding a force to be produced by the die cushion mechanism; a section for detecting a force produced by the die cushion mechanism and applied to the slide; a section for detecting a moving speed of the slide; and a section for executing a force control on the servo-motor. The force controlling section executes force controls in mutually different modes on the servo-motor, through mutually different control loops, one mode being provided for an initial stage defined from an instant when the die cushion mechanism starts producing the force to be applied to the slide until a predetermined subsequent instant, and another mode being provided for a succeeding stage defined after the predetermined subsequent instant, by using at least a slide-speed detected value detected by the slide-speed detecting section.

Abstract: A control apparatus for controlling a die cushion mechanism including a servo-motor as a drive source and producing a force adapted to be applied to a slide in a press machine. The control apparatus includes a force commanding section for commanding a force to be produced by the die cushion mechanism; a force detecting section for detecting the force produced by the die cushion mechanism; a motor-speed detecting section for detecting an operating speed of the servo-motor; a slide-speed detecting section for detecting a moving speed of the slide; and a force controlling section for executing a force control on the servo-motor, based on a force command value commanded by the force commanding section, a force detected value detected by the force detecting section, a motor-speed detected value detected by the motor-speed detecting section and a slide-speed detected value detected by the slide-speed detecting section.

Abstract: A control device of a die cushion mechanism, by which a force between a slide and a die cushion may follow a commanded value even in the rapid acceleration or deceleration of the slide and, moreover, a problem such as vibration of the mechanism may be prevented in the gradual acceleration or deceleration of the slide. The control device includes a slide position detecting part, such as a position sensor, for detecting the position of the slide and a correcting part for correcting a current commanded value using an acceleration of the slide, obtained by second-order differentiation of the position of the slide detected by the position sensor.

Abstract: In a press device for pressing a slider with a plurality of motors as driving sources, pressing is performed while a slider is kept horizontal even if an eccentric load is applied.

Abstract: A control device (10) for a die cushion mechanism that produces a force for a slide (24) in a press machine, comprising slide velocity command-forming means (61) for forming a velocity command for the slide (24), die cushion velocity command-forming means (62) for forming a velocity command for said die cushion (20), and velocity relation calculation means (65) for calculating a velocity relation between the velocity of the slide and the velocity of the die cushion based on a rate of increase (dF) in the force produced between the slide and the die cushion immediately after the collision of the slide with the die cushion. The cushion velocity command-forming means forms the velocity command for the die cushion based upon the slide velocity command formed by the slide velocity command-forming means and upon the velocity relation calculated by the velocity relation-calculation means. This makes it possible to form an optimum velocity command for the slide and/or the die cushion.

Abstract: A die cushion drive system provided with a servo motor serving as a source of drive power for a die cushion of a press machine and a power circuit with a regeneration function which regenerates energy from the servo motor and returns it to an AC power supply, whereby it is possible to power the die cushion drive system by a servo motor and return the regenerated energy of this servo motor to the power source so as to save on energy.

Abstract: A control system, for a press machine including a plurality of die cushions, by which force control and position control may be suitably switched from one to another in each control device for each of the die cushions. The control system includes a plurality of control devices for controlling a servomotor of each die cushion and a switching signal generating part capable of collecting the judgment result of each control device. The switching signal generating part transmits a switching signal to each control device, in order to switch the control mode of each control device.

Abstract: A control device, for a servo die cushion, for precisely performing force control without using a force detector. The control device includes a slide position detecting part for detecting the position of the slide, a storing part for storing information representing a relation between the position of the slide and the speed of the die cushion, the information being predetermined such that the force between the slide and the die cushion is set to a desired force and a die cushion speed commanding part for generating a speed command of the die cushion based on the information and the position of the slide detected by the slide position detecting part.

Abstract: A press comprises a servo motor (6), a ball screw (9), and a roller guide (11) in which machining accuracy is enhanced while reducing the overall size and weight, noise and vibration, and power consumption of the press.

Abstract: A die cushion controller uses position control to position die cushion members for placement of a metal sheet. A pressing process starts and the upper die is lowered. When a position detector detects a position at which the upper die touches the sheet metal, the die cushion controller switches over from position control to pressure control and applies a preset pressure to the sheet metal. When the position detector detects that the upper die has risen to a preset position, the die cushion controller clears the positional deviation accumulated in position control to zero, then moves the die cushion members to preset positions and holds them there.

Abstract: A control device for a die cushion mechanism, for carrying out force control with high accuracy and at a high speed. The control device for controlling the force generated by the die cushion mechanism utilizes a press working cycle which is repeatedly carried out. A correcting part of the control device corrects each deviation in one working cycle based on a time-series of deviation data in the just before press working cycle. By repeating this operation, the deviation between the detected value and the commanded value may be converged toward zero. Therefore, the deviation may become smaller than that of the conventional feedback control, whereby it is possible to respond to a change in the commanded value in a short time.

Abstract: A pressing apparatus using a motor, in which a fast feed drive lowers an upper die to a position immediately before pressing, and a motor for pressing performs a pressing operation. The fast feed drive and the motor for pressing operate cooperatively, and only one position detector, which detects a present position of a slider, is provided for a set of the fast feed drive and the motor for pressing.

Abstract: A reciprocating drive mechanism for converting motor rotation into linear motions to produce a reciprocating drive force, and a press machine using the mechanism. The rotation of a first motor (20A) out of two motors (20A) and (20B) is converted into a high-speed low-torque rotational output and transmitted to a ball screw mechanism (50) by a first power transmission mechanism (30). The rotation of the second motor (20B) is converted into a low-speed high-torque rotational output and transmitted to the ball screw mechanism (50) by a second power transmission mechanism (40). The ball screw mechanism (50) is made of a feed screw (52) supported in a screw hole of a nut member (51) so as to be capable of screw-fed rotation. The feed screw (52) and the nut member (51) are coupled with the first power transmission mechanism (30) and the second power transmission mechanism (40), respectively.

Abstract: A corrugated sheet forming unit used in a corrugated sheet material making machine for processing a metal sheet material into a corrugated sheet is disclosed to include a table vertically movable to fit the elevation of the conveyer and receiving unit of the machine and to carry first shape forming roller sets or second shape forming roller sets into the working position for processing the supplied sheet material into a corrugated sheet of a first pattern or a corrugated sheet of a second pattern selectively.

Abstract: In a system and method for removing a dent from an automotive vehicle body surface, first and second suction elements are each formed of a flexible disc, a support disc, and a pull stud attached to the support disc. A releasable lever engagement member is provided at an end of the pull stud. Each flexible disc has a vehicle body facing surface which is continuous without air exits. The first and second suction elements are placed on the vehicle surface, with at least one of the suction elements at the dent. A lever bar is inserted through the releasable lever engagement members at ends of the respective pull studs where it is loosely retained.

Abstract: A press forming machines includes displacement measuring means for measuring a displacement between a slide plate and a reference plate. Control means measures a positional displacement of each of the driving sources by using the displacement measuring means in each of a plurality of operating steps during the molding operation, detects a desired displacement position of the entire slide plate, extracts control data including a correction amount to maintain the entire slide plate at the desired displacement position, the correction amount corresponding to a change in load on each of the driving sources, stores the control data in the memory, supplies the control data to the driving sources, and separately drives the driving sources. Since an actual molding operation can be performed using control data generated in a trial molding operation, the cycle time of the actual molding can be shortened.

Abstract: An adhesively mounted single-sided clamp-like device for producing a compressive force or tensile force includes a body, a plunger movably connected with the body, and a double-sided stretch releasing adhesive attached to at least one of the body and the plunger. The body and/or plunger can be firmly adhesively bonded to a surface or object and later cleanly removed from the surface or plunger without damaging the surface and without leaving adhesive residue by stretching the adhesive.

Abstract: A drive arrangement for a hemming press uses a ballscrew drive arrangement with a longitudinal axis. A first gimbal connected to the externally threaded screw shaft connects the externally threaded screw shaft to a stationary member. The platen is movable with respect to the stationary member. A second gimbal connected to the internally threaded nut connects the internally threaded nut to the platen. The gimbals accommodate transaxial displacement of the screw drive arrangement. A motor applies torque to the ballscrew drive arrangement. Transaxial loading of the screw drive arrangement is accommodated by the first and/or second gimbals. Severe forces resulting from crashes are accommodated by force limiting arrangements and resilient devices.

Abstract: A method of applying a tensile or compressive force to a selected location of a work piece or surface without damaging the work piece or the surface and without leaving adhesive residue thereon includes providing a device including a body member and a force applying member movably connected with the body member, attaching the body member and/or the force applying member to the work piece and/or surface using a double-sided stretch releasing adhesive such that one end of the force applying member is adjacent the selected location, and moving the force applying member toward the work piece or surface to generate a compressive force, or moving the force applying member away from the work piece or surface to generate a tensile force.

Abstract: The invention relates to a device for deformation, in particular for restoring deformed bodywork regions, having a pulling device to which an adhesive bolt can be fastened, the adhesive bolt being fastenable by adhesion to the bodywork region to be deformed.

Abstract: A reciprocal-movement power tool includes a movable blade reciprocally movably provided on a main body. A receiving plate that supports an angle iron to be cut is supported on the main body at a position in front of the movable blade. The movable blade is fixed on a front tip of a rod-shaped shuttle screw. The shuttle screw moves back and forth in the axial direction within a tubular screw shaft. The screw shaft is carved with a female screw portion and is rotated through a joint spindle that is deceleratingly rotated upon rotation of the motor through a deceleration means. The shuttle screw has a male screw portion that is threadingly engageable with the female screw portion.

Abstract: The present invention relates to the field of tools used to modify the magazines of firearms. A die and anvil are configured to engage and form the lips of magazines, like that of the M16A4 and M4A1, to correct damage and enhance the feed angle of rounds to improve feeding and accuracy. The die and anvil are provided with a means to align them during the forming process to minimize the attempts necessary to complete the forming process. The anvil is configured to enter from the base of a magazine and to engage the side walls with sufficient tolerance to allow for free movement, but tight enough to detect deformation in the side walls. The anvil can be used as a rigid surface to correct deformation of the side walls with a non-marring tool. The preferred embodiment provides sufficient force to form the feed lips of the magazine without the need for additional tools.

Abstract: A countersinking tool for countersinking openings into a hollow metal door frame in order to insert wall anchors through the openings to lie flush with the door frame. The countersinking tool has two parts. The nut is a base with a threaded opening extending lengthwise through its center. The bolt has a hexagonal-sided top that tapers to a threaded screw insertable into the threaded opening of the nut.

Abstract: A slide drive apparatus and a slide drive method for a pressing machine capable of enhancing positioning precision at the time of adjustment of die height, and responding to pressing work at high stroke per minute. For this purpose, the drive apparatus includes a slide (4), a servo motor (21) for controlling slide motion, a mechanical power transmission mechanism (3, 5, 6) for converting rotational power of the servo motor for controlling slide motion into reciprocating motion of the slide, and a servo motor (31) for adjusting die height, which performs die height adjustment of the slide by a position control.