EP0460457A2 - Etau de machines - Google Patents

Etau de machines Download PDF

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Publication number
EP0460457A2
EP0460457A2 EP91108333A EP91108333A EP0460457A2 EP 0460457 A2 EP0460457 A2 EP 0460457A2 EP 91108333 A EP91108333 A EP 91108333A EP 91108333 A EP91108333 A EP 91108333A EP 0460457 A2 EP0460457 A2 EP 0460457A2
Authority
EP
European Patent Office
Prior art keywords
screw spindle
spindle
base body
machine vice
clamping jaw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91108333A
Other languages
German (de)
English (en)
Other versions
EP0460457B1 (fr
EP0460457B2 (fr
EP0460457A3 (en
Inventor
Franz Arnold
Konrad Kreuzer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority claimed from DE19904018194 external-priority patent/DE4018194C1/de
Application filed by Individual filed Critical Individual
Publication of EP0460457A2 publication Critical patent/EP0460457A2/fr
Publication of EP0460457A3 publication Critical patent/EP0460457A3/de
Publication of EP0460457B1 publication Critical patent/EP0460457B1/fr
Application granted granted Critical
Publication of EP0460457B2 publication Critical patent/EP0460457B2/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00—Vices
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/18—Arrangements for positively actuating jaws motor driven, e.g. with fluid drive, with or without provision for manual actuation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00—Vices
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/10—Arrangements for positively actuating jaws using screws
    • B25B1/106—Arrangements for positively actuating jaws using screws with mechanical or hydraulic power amplifiers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00—Vices
    • B25B1/24—Details, e.g. jaws of special shape, slideways
    • B25B1/2405—Construction of the jaws
    • B25B1/2473—Construction of the jaws with pull-down action on the workpiece

Definitions

  • the invention relates to a machine vice according to the preamble of claim 1 and 2 respectively.
  • the drive device also has a threaded sleeve which is connected to the screw spindle in a manner fixed against relative rotation, a drive spindle acting on the primary element of the power amplifier and a torque coupling provided between this and the threaded sleeve.
  • the force amplifier is designed as a mechanical force amplifier, the secondary element of the force amplifier always moving in the same direction as the primary element when the primary element is actuated.
  • the housing which surrounds the power amplifier, is rotatably mounted in an abutment plate connected to one end of the base body, but is axially immovable.
  • the power amplifier is located between this abutment and the spindle nut and is arranged below the same in the fully open position of the movable clamping jaw.
  • the entire drive device protrudes outward beyond the abutment plate, as a result of which the overall length of the machine vice is large in relation to its maximum span.
  • the screw presses under high pressure on the spindle nut under the influence of the power amplifier, as a result of which a correspondingly large, outwardly directed reaction force is exerted on the abutment plate.
  • the clamping force exerted by the movable clamping jaw on the workpiece also generates an outward reaction force in the movable clamping jaw and in the fixed clamping jaw.
  • reaction forces in the movable clamping jaw and the abutment are directed opposite to the reaction forces in the fixed clamping jaw, these reaction forces can cause the base body to deflect such that the base body is in arches up the middle. This in turn has the consequence that the previously parallel clamping surfaces of the clamping jaws are no longer exactly parallel to one another, but diverge upwards. As a result, the clamping surfaces only rest with their lower areas on the workpiece and this is no longer securely clamped.
  • the invention is therefore based on the object of designing a machine vice of the type mentioned in such a way that the base body is subjected to as little bending stress as possible when tensioning, and that the machine vice simultaneously has a favorable ratio between overall length and maximum span.
  • DE 34 37 403 A1 shows a beam tensioner with a power amplifier.
  • the spindle nut is attached to an attachment of the movable jaw. Due to this fact, the lifting of the movable jaw is only reduced. In addition, there is again a compressive force between the fixed jaw and the abutment. This leads to a deformation of the base body and thus to inaccuracies when clamping.
  • This first solution to the problem is particularly suitable for mechanical power amplifiers in which, when the primary member is actuated, the secondary member moves in the same direction as the primary member.
  • the power amplifier is arranged on the side of the abutment facing away from the screw spindle. The one exerted by the push rod on the primary link during tensioning As a result, compressive force shifts the primary member outward, which also pushes the secondary member outward. This outward-directed high-pressure force is, however, transmitted to the screw spindle by means of the train connection which is guided outside the power amplifier and is passed through the abutment.
  • the advantages that can be achieved with the configuration of the machine vice according to claim 2 are essentially the same as those given above for the first solution.
  • the second solution also enables one Particularly simple and space-saving design of a pneumatically actuated drive device.
  • DE-GM 87 17 051 describes a machine vice with a threaded spindle, the abutment of which is arranged in the region below the fixed vice jaw and whose spindle nut transmits the clamping force as tensile force to a slide carrying the movable jaw during clamping. This is intended to produce a direct frictional connection of the jaws via the screw spindle, as a result of which the vice body itself remains largely relieved of the clamping forces.
  • this machine vice has no power amplifier and therefore also no drive device which actuates the power amplifier and the screw spindle together.
  • the workpiece remains practically unchanged during the clamping process.
  • the vice is easy to use and offers a wide range of uses.
  • the total length which is the sum of the fixed jaw, the clamping area and the movable clamping jaw, is only equal to the length of the base body, so that there are no protruding parts. All spindle parts are integrated in the base body. When using a tension spindle, there is no bending of the base body due to the clamping force. Despite a very short spindle nut, tilting of the movable jaw is avoided.
  • the slide can be moved with the crank along the entire clamping path, which can be reduced to zero, and the use of standard jaws of other types of clamps and of top jaws for extending the clamping range is easily possible. Below the clamping range there is a free space for the necessary run-out of drilling or tapping tools.
  • the base body 1 which is essentially U-shaped in cross section, has a fixed clamping jaw 2 at one end, which preferably consists of one piece with the base body.
  • a movable clamping jaw 3 is displaceable in direction B in the base body 1 perpendicular to the fixed clamping jaw 2.
  • the movable clamping jaw 3 has a downward-facing shoulder 4 which engages in the base body 1 and in which the spindle nut 5 is incorporated.
  • a screw spindle 7, which engages in the spindle nut 5, is arranged in the continuous recess 6 of the base body 1.
  • a mechanical power amplifier 8 of a known type (cf. DE-U-78 30 221) is arranged in the base body 1.
  • the abutment part 8a is supported on an abutment 9 which engages between the power amplifier 8 and the end 7a of the screw spindle adjacent to the fixed clamping jaw 2.
  • the abutment 9, as shown in FIG. 5, could also be provided directly in the vice body 1.
  • the abutment 9 is preferably provided on an abutment bush 10 which is inserted into a corresponding cylindrical through-bore 11 in the base body 1.
  • the abutment sleeve At its end facing away from the screw spindle 7, the abutment sleeve has a flange 12 with which it is supported on an annular shoulder 13 of the base body, which adjoins the through bore 11.
  • the abutment sleeve 10 extends with its end 10a facing the screw spindle 7 at least up to the end 2a of the fixed clamping jaw 2 facing the screw spindle.
  • the abutment sleeve 10 is closed at its end facing away from the screw spindle 7 by a pot-like cover 14. This cover 14 and the abutment sleeve 10 are held in the through hole 11 by a spring ring 15.
  • the power amplifier has a wedge-shaped primary member 16 and a disk-shaped secondary member 17. If the primary member 16 is arranged in the hollow spindle 7 Push rod 18 moved in the direction C to the left, then the rollers 19 are pressed into a space that narrows radially outwards. As a result, the secondary member 17 is also moved to the left with a corresponding power transmission, but by a smaller amount than the primary member 16.
  • a compression spring 20 provided, which is preferably arranged between the cover 14 and the secondary member 17.
  • a tension sleeve 21 is provided concentrically to this, which is axially displaceable in the abutment bush 10 and surrounds the power amplifier 8.
  • the tension sleeve is closed at one end by a screw cap 22, on the inside of which the secondary member 17 is supported.
  • the tension sleeve 21 has three axially directed tension webs which are arranged at equal angular distances from one another and are arranged at the same circumferential angular distances from one another.
  • These tension webs 23 each extend through corresponding axial recesses 24 in the abutment sleeve 10 to the end 7a of the screw spindle adjacent to the fixed clamping jaw 2.
  • the tension webs 23 are provided at their ends with radially inwardly directed claws 23a which engage behind a flange 25 provided at the end 7a of the screw spindle 7.
  • a seal 26 seals the interior of the abutment sleeve 10 from the screw spindle end 7a.
  • a common drive device 27 is also provided, with which both the screw spindle 7 and the power amplifier 8 can be driven one after the other in time.
  • the drive device 27 is arranged in the end 1a of the base body 1 opposite the fixed jaw 2 in such a way that it lies entirely or at least substantially within the base body 1 and the movable jaw 3, as shown in FIG. 1, is full open position above the drive device 27.
  • the drive device 27 is enclosed by a cylindrical housing 28, the end of which faces the screw spindle 7 a positive connection is non-rotatably but axially displaceably connected to the screw spindle.
  • the positive connection can consist, for example, in that the housing 28 has at its one end 28a an opening 28c with a hexagonal cross section, which includes the correspondingly hexagonal end 7b of the screw spindle 7.
  • the other end 28b of the housing is rotatably and axially immovable in a holding plate 29 connected to the base body 1.
  • the drive device 27 further includes a threaded sleeve 30 which is fixedly connected to the housing 28.
  • a drive spindle 31 engages in the threaded sleeve 30, the outer end of which is provided with a hexagon socket 31a.
  • a hand crank (not shown) can be inserted into the hexagon socket 31a.
  • a torque clutch is provided between the threaded sleeve 30 and the drive spindle 31, which in the exemplary embodiment shown consists of a clutch disc 33 which is non-rotatably connected to the drive spindle 31 but can be displaced thereon against the force of the spring 32 and which has a cam 34 in a corresponding recess the threaded sleeve 30 engages.
  • the drive spindle 31 and the threaded sleeve 30 are connected to one another in a rotationally fixed manner until a predetermined torque is reached.
  • the drive spindle 31 can then be rotated by means of a hand crank (not shown) and takes the threaded sleeve 30 and the cylindrical housing 28 connected to it in a rotationally fixed manner via the torque coupling 32-34.
  • the screw spindle 7 is driven via the positive connection 7b / 28c. This moves the movable clamping jaw to the left in the direction of the workpiece W by means of the spindle nut 5 until the movable clamping jaw 3 lies against the workpiece W. If the clamping pressure rises, the torque clutch 32-34 disengages and the screw spindle 7 is no longer driven.
  • connection between the secondary part 17 and the end 7a of the screw spindle, which leads past the power amplifier 8 and passes through the abutment 9, can also be equipped in another way.
  • the drive end of this embodiment is the same as that shown in Figs. 1 and 3 of the previous embodiment. Parts of the same function are designated by the same reference numerals, so that the above description applies analogously.
  • the train connection has at least two axially directed tension bolts 35, which extend through axially directed bores 36 of the abutment 9 or base body 1.
  • the tension bolts are connected on the one hand to a washer 17a carrying the secondary member 17 and on the other hand to a ring 37 surrounding the end 7a of the screw spindle. This ring engages behind the flange 25 provided at the end 7a of the screw spindle 7.
  • a hydraulic power amplifier 38 is used in each case.
  • the hydraulic booster 38 is also arranged below the fixed jaw 2 in the base body 1.
  • the abutment 9 is provided in an abutment bushing 10 which is inserted into a through hole 11 of the base body 1.
  • the secondary piston 39 of the power amplifier is slidably mounted.
  • the free end of the push rod preferably forms the primary piston 40, or it acts on the primary piston.
  • a hollow connecting part 41 which concentrically surrounds the primary piston 40 and via which the secondary piston 39 is connected in a tensile manner to the end 7a.
  • the interior 41a of the connecting part 41 filled with hydraulic fluid is connected via transverse bores 42 to the cylinder space 43 of the secondary piston 39 surrounding it.
  • a common drive device corresponding to the common drive device 27, can be used in the one shown in FIGS. 1 to 3 Embodiment may be provided.
  • the design of the machine vice according to the invention also enables a particularly simple and space-saving design and accommodation of a partially pneumatic drive device, as is shown in FIG. 7.
  • This partially pneumatically operating drive device 44 has a pneumatic cylinder 45, the end 45a of which faces the screw spindle 7, in a manner similar to the cylindrical housing 28, is connected to the screw spindle 7 in a rotationally fixed but axially displaceable manner via a positive connection 46.
  • the pneumatic cylinder 45 also has an annular collar 47 on the outside, which is rotatably and axially immovably mounted in a holding plate 48 connected to the base body 1.
  • a piston 49 which has a piston rod 50, can be displaced in the pneumatic cylinder 45.
  • This piston rod 50 forms the push rod, so to speak.
  • the free end of the piston rod 50 forms the primary piston 40.
  • a larger part of the hollow spindle 7 forms a delimited cylinder space 51 which is filled with hydraulic fluid and in which the primary piston 40 can be displaced.
  • hydraulic fluid is pressed into the cylinder space 43 of the secondary piston 39 via transverse bores 42.
  • the movable clamping jaw 3 can first be moved in the direction of the workpiece by rotating the screw spindle 7 until the movable clamping jaw 3 lies against the workpiece with little force. The actual clamping of the workpiece with high pressure then takes place in that compressed air is introduced into the pneumatic cylinder via the bore 52, whereby the piston 49 is displaced to the left. If workpieces of the same size are to be clamped one after the other, then the movable clamping jaw 3 is adjusted by rotating the pneumatic cylinder to such an extent that there is still some clearance between the workpiece and the movable clamping jaw, which is sufficient to place 49 workpieces between them in the relaxed position of the piston To be able to use jaws 2, 3.
  • FIGS. 1 to 7 can also be converted in a simple manner so that the machine vise can be used for internal clamping of workpieces. This will be explained with reference to FIG. 8.
  • the abutment bush 10, which is normally arranged under the fixed clamping jaw 2 is removed from its through hole and inserted into a corresponding holder 53 at the end 1a of the base body 1 opposite the fixed clamping jaw 2.
  • the screw spindle 7 is rotated by 180 ° and screwed into the spindle nut 5 in this position.
  • the cylindrical housing 28 with the drive device 27 is arranged under the fixed clamping jaw 2 and the holding plate 29 is fastened to the end 1b of the base body 1 lying under the fixed clamping jaw 2.
  • the screw spindle 7 When the drive spindle 31 rotates, the screw spindle 7 is first rotated and the movable clamping jaw 3 is shifted to the right until both clamping jaws 2, 3 rest against the inside of a workpiece.
  • the torque clutch then disengages, and with further rotation of the drive spindle 31, the primary member 16 is displaced in the direction D to the right via the push rod 18.
  • the secondary member 17 then pulls the movable clamping jaw 3 with high tensile force against the inside of the workpiece via the pull sleeve 21.
  • the holder 53 is an additional abutment which is inserted into the end 1a of the base body 1 when the machine vice is to be used for internal clamping.
  • the holder 53 contains a through hole 54 for receiving the abutment sleeve 10.
  • FIGS. 9 to 16 preferably use a machine vice with the two-part movable clamping jaw 103 in a development of the invention.
  • FIGS. 9 and 10 relate to an exemplary embodiment with a hydraulic power amplifier 38 according to FIG. 6 and a drive device 27 according to FIG. 3.
  • the same reference numerals are used for the same parts and reference is made to the above explanations with regard to the description in detail.
  • FIGS. 9, 10 and 11 show a movable clamping jaw 103 with a configuration according to the invention.
  • the movable clamping jaw 103 has a lower part 104, which has a spindle nut 105 with a relatively short length, and an insert part 112 attached to the spindle nut 105, which is received with play in a recess 110 of an upper part 106 of the movable clamping jaw 103.
  • the lower part 104 represents a carriage which is moved in the axial direction and takes the upper part 106 with it. It should be noted that the slide 104 is considerably longer than the spindle nut 105 with a dome-shaped configuration which on the one hand enables retraction via the drive device 27 but on the other hand offers guidance over the entire length.
  • the insert part 112 has play in the radial, but in particular in the axial direction.
  • the latter play is, however, non-positively limited, for example by a plate spring assembly 136 or another spring arrangement which is / are inserted in a recess 134 which is incorporated on the end face of the insert part 112 opposite the surface 116.
  • a set screw 132 which is guided through a threaded bore 130, presses against the plate spring assembly 136 in the direction
  • the longitudinal axis of the screw spindle 7 extends from the outer end face in the upper part 106.
  • a recess 150 is incorporated in the surface 114 of the insert part 112, into which an insert body 152, preferably made of hardened steel, is inserted, projecting slightly beyond the surface 114.
  • the opposite surface 116 is only milled.
  • the recess 150 and thus the insert body located therein can have the shape of a strip 152 with a semicircular cross section (FIG. 13) or the shape of a hemisphere 152a with a corresponding recess 150a (FIG. 12) .
  • FIGS. 12 and 13 the recess 150 and thus the insert body located therein can have the shape of a strip 152 with a semicircular cross section (FIG. 13) or the shape of a hemisphere 152a with a corresponding recess 150a (FIG. 12) .
  • In the tensioned state there is in turn a flat contact of the surface 114 on the flat surface of the insert body 152 or 152a.
  • a third alternative would be to design the insert body as a solid ball in the recess 150a in FIG. 12, but in the tensioned state an extremely high surface pressure would result due to the only point-like contact.
  • the movable insert body compensates for lateral angular errors in the guide, upper and lower part.
  • the movable clamping jaw 103 is guided on a surface 160 which extends horizontally along the upper side of the base body 101 and on which a lower horizontal surface 162 of the upper part 106 rests.
  • the lateral guidance is achieved by vertical side surfaces 168, 170 of the lower part 104 or of the base body 101 lying against one another.
  • additional horizontal guides are arranged between webs 165 with an approximately rectangular shape that project laterally on the underside of the lower part 104 and complementary guide grooves 167 in the base body 101, which are guided horizontally above and below, on lower surfaces 172, 174 and upper surfaces 164, 166.
  • the slide 104 of the lower part moves against the workpiece via the thread of the screw spindle 7. Carried over the inclined surfaces 114/116 between the slide 104 and the upper part 106, the upper part 106 moves on the guide surfaces 160 against the workpiece.
  • the resilient elements namely the plate spring assembly 136, result in a pretensioning force which presses the upper part 106 flat against the guideways 160 even before tensioning. This largely eliminates the play between the upper part and the guideway.
  • the carriage 104 runs with an upper and lower guide 164/166 and 172/174 in the interior of the base body 101. Because of the accuracy of the guide from the ground surfaces of the guideway 160 and the underside 162 of the upper part 106, the guides 164/166 or 172/174 need not be ground inside the base body 101.
  • the perpendicularity of the arrangement is determined by the fact that the vertical end edges of the guide tracks 168, 170 of the slide 104 or of the base body 101 are ground.
  • the coupling 32, 33, 34 (FIG. 9) of the screw spindle 7 disengages, and the power amplifier is actuated via the axial rod 18.
  • the power amplifier is supported against the head part of the base body 101 and pulls the screw spindle 7 forward.
  • the support prevents the head part from deforming.
  • the base body 101 is largely relieved of the clamping forces.
  • the movable clamping jaw 103 is pulled over the thread of the tension spindle 7 into the clamping position.
  • the oblique contact surfaces 114/116 result in a horizontal force component, which clamps the workpiece, and a vertical component.
  • the angle of the surfaces 114/116 to the longitudinal axis of the screw spindle 7 is chosen so that the vertical component is so large that the upper part 106 is pressed down over its entire length.
  • the plate spring assembly 136 since the upper part 106 is tensioned against the guideways 160 by the plate spring assembly 136, there is only a tensioning movement forwards, but no upward or downward movement, i. H. there is no canting of the upper part 106, which could move the workpiece.
  • the plate spring assembly 136 does the opposite.
  • the slide 104 is tilted slightly until the lower outer edge is supported against the lower guide 172 in the base body 101 and the upper inner edge against the upper surface of the guide 164.
  • the screw spindle 7 moves backwards by turning to the left.
  • the upper part is carried along via the resilient elements 136, the contact of the inclined surfaces 114/116 being released and the pressure of the upper part 106 on the guideway 160 being released.
  • the angle of the inclined surfaces 114/116 is selected at 45 °, which leads to high friction losses.
  • the special guide for the slide 104 it is possible due to the special guide for the slide 104 to remain in the order of magnitude of 65 ° to 70 ° with respect to the longitudinal axis of the screw spindle 7 and to considerably reduce the friction.
  • the design according to the invention of the movable clamping jaw 103 and its arrangement in the machine vice can also be used with advantage in the most varied of embodiments, which are not limited to the embodiments according to FIGS. 1 to 8.
  • use in an arrangement with a pressure spindle is possible in an analogous manner.
  • the power amplifier can also be arranged below the movable clamping jaw, in deviation from the arrangement of the exemplary embodiments in FIG. 1 to 8, where the booster is located under the fixed jaw.
  • FIG. 16 An example of this is shown in FIG. 16 with a power amplifier 200, which is activated via a drive device 227 and is in the retracted position of the movable clamping jaw 103 below it (DE 34 37 303 A1).
  • the screw spindle 7 according to FIGS. 9 and 10 is provided in the area between the clamping jaws with a covering 180 for protecting the screw spindle 7 against contamination.
  • the envelope 180 is flexible in length. It could be designed as a bellows. Shown is a sheath 180 which can be telescopically pushed together, since it is composed either in the form of a spiral leaf spring or from cylindrical, tubular parts.
  • the casing is held, for example, at one end via a socket 182 on the end face of the spindle nut 105 and at the other end it is pulled onto a tubular socket 184 of the power amplifier 38.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
EP91108333A 1990-06-07 1991-05-23 Etau de machines Expired - Lifetime EP0460457B2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4018194 1990-06-07
DE19904018194 DE4018194C1 (en) 1990-06-07 1990-06-07 Vice with fixed and moving jaw - has spindle for movement of intensifier which thrusts against vice base part
DE4112418 1991-04-16
DE4112418A DE4112418A1 (de) 1990-06-07 1991-04-16 Maschinenschraubstock

Publications (4)

Publication Number Publication Date
EP0460457A2 true EP0460457A2 (fr) 1991-12-11
EP0460457A3 EP0460457A3 (en) 1992-04-01
EP0460457B1 EP0460457B1 (fr) 1995-03-15
EP0460457B2 EP0460457B2 (fr) 2000-03-01

Family

ID=25893917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91108333A Expired - Lifetime EP0460457B2 (fr) 1990-06-07 1991-05-23 Etau de machines

Country Status (5)

Country Link
US (1) US5251887A (fr)
EP (1) EP0460457B2 (fr)
JP (1) JP3286791B2 (fr)
DE (2) DE4112418A1 (fr)
ES (1) ES2073065T5 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999054090A1 (fr) * 1998-04-17 1999-10-28 Eugen Jurkovic Etau multiusages a mors autoreglable
WO2014154663A1 (fr) * 2013-03-28 2014-10-02 Abb Turbo Systems Ag Chariot à poutre en porte-à-faux pour le montage et le démontage d'un bloc de rotor
WO2016176700A1 (fr) * 2015-05-05 2016-11-10 Schachinger Johann Étau à serrage par coin

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US5662316A (en) * 1993-07-22 1997-09-02 Automation Enhancements Un Limited Pallet couple and decouple clamping apparatus and method for pallet coupling and decoupling
KR100406462B1 (ko) * 2002-01-15 2003-11-21 주식회사 삼천리기계 바이스용 증력장치
SE525190C2 (sv) * 2003-04-15 2004-12-21 Sandvik Ab Gasfjäder med dragstång i två stycken
SE526258C2 (sv) * 2003-04-15 2005-08-09 Sandvik Intellectual Property Kraftförstärkare för maskinspindel med samverkande kilar
ATE345194T1 (de) * 2005-06-15 2006-12-15 Hb Feinmechanik Gmbh & Co Kg Spanneinrichtung mit einem deckelement für ihre spindelausnehmung
EP1797996A1 (fr) * 2005-12-19 2007-06-20 ALLMATIC-Jakob Spannsysteme GmbH Etau avec amplificateur de force
US8454004B1 (en) 2006-09-01 2013-06-04 Chick Workholding Solutions, Inc. Workholding apparatus having a movable jaw member
US8109494B1 (en) * 2006-09-01 2012-02-07 Chick Workholding Solutions, Inc. Workholding apparatus having a movable jaw member
US9227303B1 (en) 2006-09-01 2016-01-05 Chick Workholding Solutions, Inc. Workholding apparatus
US8573578B1 (en) 2006-09-01 2013-11-05 Chick Workholding Solutions, Inc. Workholding apparatus
US8336867B1 (en) 2006-09-01 2012-12-25 Chick Workholding Solutions, Inc. Workholding apparatus having a detachable jaw plate
US8690138B2 (en) * 2010-12-29 2014-04-08 Tseh-Pei LIN Coaxial concentric double-jaw vice
CN102789436B (zh) * 2011-05-18 2014-12-31 国基电子（上海）有限公司 单线双向通信的主从芯片及其方法
US9352451B1 (en) 2013-05-02 2016-05-31 Chick Workholding Solutions, Inc. Workholding apparatus
TWI579108B (zh) * 2016-04-21 2017-04-21 Improvement of Pressure Regulating Structure of
AT523492B1 (de) 2020-01-31 2022-04-15 Cutpack Com Gmbh Spannvorrichtung zum Einspannen eines Werkstücks

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DE7830221U1 (de) * 1978-10-11 1980-03-20 Arnold, Franz, 8960 Kempten Mechanischer kraftverstaerker
DE3437403A1 (de) * 1984-10-12 1986-04-24 Saurer-Allma Gmbh, 8960 Kempten Hochdruckspanner
DE8717051U1 (de) * 1987-12-29 1988-02-11 Röhm, Günter Horst, 7927 Sontheim Maschinenschraubstock
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US4098500A (en) * 1977-11-25 1978-07-04 Kurt Manufacturing Company, Inc. Adjustable member for reducing clamp load losses in a locking jaw vise
DE7830221U1 (de) * 1978-10-11 1980-03-20 Arnold, Franz, 8960 Kempten Mechanischer kraftverstaerker
DE3437403A1 (de) * 1984-10-12 1986-04-24 Saurer-Allma Gmbh, 8960 Kempten Hochdruckspanner
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EP0324057A2 (fr) * 1987-12-29 1989-07-19 Günter Horst Röhm Etau pour machines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999054090A1 (fr) * 1998-04-17 1999-10-28 Eugen Jurkovic Etau multiusages a mors autoreglable
WO2014154663A1 (fr) * 2013-03-28 2014-10-02 Abb Turbo Systems Ag Chariot à poutre en porte-à-faux pour le montage et le démontage d'un bloc de rotor
US9896973B2 (en) 2013-03-28 2018-02-20 Abb Turbo Systems Ag Assembly tool for exhaust turbochargers
WO2016176700A1 (fr) * 2015-05-05 2016-11-10 Schachinger Johann Étau à serrage par coin

Also Published As

Publication number Publication date
ES2073065T5 (es) 2000-07-16
EP0460457B1 (fr) 1995-03-15
EP0460457B2 (fr) 2000-03-01
EP0460457A3 (en) 1992-04-01
DE4112418A1 (de) 1992-10-22
JP3286791B2 (ja) 2002-05-27
ES2073065T3 (es) 1995-08-01
US5251887A (en) 1993-10-12
JPH06344268A (ja) 1994-12-20
DE59104937D1 (de) 1995-04-20

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