EP1396295A1 - Machine de cintrage avec outils de cintrage disposés aux côtés opposés d'un support porte-outils - Google Patents

Machine de cintrage avec outils de cintrage disposés aux côtés opposés d'un support porte-outils Download PDF

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Publication number
EP1396295A1
EP1396295A1 EP03005462A EP03005462A EP1396295A1 EP 1396295 A1 EP1396295 A1 EP 1396295A1 EP 03005462 A EP03005462 A EP 03005462A EP 03005462 A EP03005462 A EP 03005462A EP 1396295 A1 EP1396295 A1 EP 1396295A1
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EP
European Patent Office
Prior art keywords
bending
workpiece
tool carrier
tool
transverse direction
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
EP03005462A
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German (de)
English (en)
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EP1396295B1 (fr
Inventor
Frank Schmauder
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.)
Trumpf Rohrtechnik GmbH and Co KG
Original Assignee
Trumpf Rohrtechnik GmbH and Co KG
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Priority claimed from EP02020012A external-priority patent/EP1396294A1/fr
Application filed by Trumpf Rohrtechnik GmbH and Co KG filed Critical Trumpf Rohrtechnik GmbH and Co KG
Priority to EP20030005462 priority Critical patent/EP1396295B1/fr
Priority to US10/798,105 priority patent/US7021102B2/en
Publication of EP1396295A1 publication Critical patent/EP1396295A1/fr
Application granted granted Critical
Publication of EP1396295B1 publication Critical patent/EP1396295B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/02Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member

Definitions

  • the invention relates to a bending machine for bending rod-shaped and / or rod-like workpieces, in particular pipes, with a bending device
  • the optionally usable bending tools includes, at least one of which on one side and at least one on the opposite side of a tool carrier is provided and each at least one bending die and at least one pressure piece, which for Transfer to a functional or non-functional position driven in the workpiece transverse direction and movable back and forth is, wherein the bending dies along a workpiece transverse direction extending bending axis are arranged, a functional position at least one pressure piece on one side the tool carrier is an inoperative position of at least one Pressure piece on the other side of the tool carrier assignable is and wherein the workpiece on the used bending tool under effective in workpiece transverse direction loading by means of at least one occupying its functional position Pressure piece is bendable around the bending die.
  • the invention relates in particular, such a bending machine with pressure pieces in the form of slide rails, with the workpiece being used on the Bending tool when bending around the bending die by means of at least one of its functional position in the workpiece transverse direction engaging slide rail in the workpiece transverse direction can be supported is.
  • Bending machines of the above type are known from EP-B-0 538 207.
  • a tool carrier Multi-level bending tools provided, each in several Direction of a bending axis superposed bending dies and cooperating with the bending dies jaws and slide rails.
  • These are conventional Rotary bending tools, their clamping jaws and slide rails, by means of hydraulic drives between functional and non-functional positions are movable back and forth.
  • the jaws and the slide rails on one side of the tool carrier independent of the Clamping jaws and slide rails on the opposite side driven and moved by the tool carrier. Own for this purpose the jaws and slide rails on both sides of the tool carrier each own hydraulic drive equipment in the form of hydraulic piston-cylinder units.
  • a generic bending machine is disclosed in DE-A-33 02 888.
  • This machine has a bending head for joint Machining two pipes.
  • the bending head provided with two simultaneously usable rotary bending tools.
  • the jaws of the two rotary bending tools are by means a single piston-cylinder unit in each case jointly in a functional or in an inoperative position transferable.
  • the slide rails of two prior art rotary bending tools by a single piston-cylinder unit jointly in workpiece transverse direction between a workpiece near functional and a workpiece distant Non-functional position moved back and forth. In the workpiece longitudinal direction become the slide rails of the two bending tools taken during bending of the pipes to be machined by these.
  • a feed drive for moving the slide rails in the Tube processing is not provided accordingly.
  • Proof of claim 1 are in the case of the invention plungers on both sides of the tool carrier for movement in the workpiece transverse direction drivingly coupled together. Accordingly is at least one pressure piece on the one common with at least one pressure piece on the other side of the Tool carrier moves in the workpiece transverse direction.
  • This drive concept allows one and the same drive elements to use for moving pressure pieces on both sides of the tool carrier different positions, namely on the one hand Functional and on the other a non-functional position.
  • This results in a structurally simple design Drive configuration regardless of the diversity of taken the pressure pieces on both sides of the tool carrier Positions.
  • With the multiple use one and the same drive elements a small volume of the overall drive connected. This in turn allows the drive for to accommodate the pressure pads in the immediate vicinity of the bending tools.
  • the advantageous drive configuration is used according to claim 1 the opposition of the movement of the driving coupled pressure pieces in the workpiece transverse direction. Because of this Feature can be the respective pressure pieces on both sides of the tool carrier move transversely to the workpiece in nominal positions, without for that purpose a special mutual Adjustment of the pressure pieces would be required. Will be about one Pressure piece on a used bending tool in its functional position moves, in which it acts on the workpiece to be bent, so it is forcibly the one or the assigned Plungers on the opposite side of the tool carrier moved in the opposite direction and thus in an area which of the area which on the relevant bending tool associated with the workpiece, is lying and in which consequently to fear no collisions with any kind of obstacles are.
  • the claims 2 and 3 relate to the application of the invention Concept according to claim 1 on bending machines with pressure pieces in the form of clamping jaws and / or in shape of slide rails.
  • the invention by drivingly coupled while counter-rotating Moving jaws have already been discussed above.
  • the Erfindungsbauart according to claim 4 combines the advantages a driving coupling of jaws on both sides of the tool holder as well as an opposite movement this jaws in the workpiece transverse direction with the advantages of driven in the workpiece longitudinal direction movable slide rails.
  • Both the slide of the used bending tool as The sliding rail of the unused bending tool also rush the or the associated jaws after.
  • the jaws the used bending tool and the jaws of the unused Bending tool are arranged on one and the same pivot arm and thus lead collectively when bending the workpiece a pivoting movement about the bending axis.
  • the speed with which in the functional position located slide in Workpiece longitudinal direction moves, is tuned to the speed the associated, which act on the workpiece to be machined Jaw.
  • the slide follows the leading one Clamping jaw, in particular in the initial phase of the bending process with the smallest possible distance in the workpiece longitudinal direction.
  • the Erfindungsbauart according to claim 12 is characterized by a particularly extensive simplification of the bending tools of the machine to be provided.
  • drive default Sliding rails are coupled on both sides of the tool carrier both for movement in workpiece longitudinal as well as movement in Workpiece transverse direction.
  • a driving coupling is also intended for moving clamping jaws on both sides of the tool carrier in workpiece transverse direction.
  • a preferred embodiment of the invention is to drive Coupling of pressure pieces, if necessary of clamping jaws and / or slide rails, for movement in Werkstüdkquerraum provided at least one common transverse drive motor (Claim 13).
  • another preferred Type of bending machines according to the invention for driving Coupling to be moved in the workpiece longitudinal direction Slide rails at least one joint longitudinal drive motor on.
  • Both in the case of Erfindungsbauart according to Claim 13 and in the case of Erfindungsbauart according to Claim 14 is in particular small-scale and its regardless of powerful electric motors used.
  • a particularly convenient form of floating storage of Community longitudinal drive motor results from claim 20.
  • the claims 18 and 19 relate to others preferred features of the longitudinal drive according to the invention for Slide rails on both sides of the tool carrier.
  • Figure 1 has a bending machine 1 for bending pipes a machine frame 2, at the top of a pipe feed carriage 3 is movable in the tube longitudinal direction and that at a front end 4 a bending device 5 superimposed.
  • Attached to the tube feed carriage 3 is a collet 6 for Fixtechnik of the distal end of the bending device 5 of to be processed pipes.
  • the tubes by means the pipe feed carriage 3 and the collet 6 opposite the bending device 5 both translationally in the tube longitudinal direction movable as well as rotatable about the tube axis. From the presentation a tube to be bent is in Figure 1 for reasons for clarity.
  • the bending device 5 is rotatable about a rotation axis 7 at a Support arm 8 stored.
  • the support arm 8 is in turn to a Swivel axis 9 relative to the machine frame 2 pivotally.
  • Bending tools 10, 11 are on opposite sides a tool carrier 12 of the bending device 5 is arranged.
  • a tool carrier 12 of the bending device 5 is arranged.
  • the bending tool 10 or the bending tool 11 are used for workpiece machining.
  • With the bending machine 1 can therefore be either legal or Create left bends. Notwithstanding the conditions shown is the use of multi-level flexing tools possible.
  • the bending tool 10 comprises, as usual, a bending die 13, a clamping jaw 14 and a slide rail 15. Accordingly are as parts of the bending tool 11, a bending die 16, a Clamping jaw 17 and a slide rail 18 is provided. there exceeds the diameter of the bending die 13 and thus their Bending radius The diameter and bending radius of the bending die 16. Both bending dies 13, 16 are about a common bending axis 19 rotatable.
  • a pivot arm 20 of the tool carrier 12, on one side of the jaw 14 of the Bending tool 10 and on the opposite side of the Clamping jaw 17 of the bending tool 11 in the radial direction of the Bending axis 19 leads.
  • a common transverse drive motor 26 which in the example shown is a Electric motor acts. Due to its small construction volume can the transverse drive motor 26 readily in the part 21 of the tool carrier 12 accommodate.
  • a pinion 28 which with paraxial pinions 29, 30 meshes.
  • the pinion 29 is a Spindle 31, with the pinion 30 is a spindle 32 rotatably connected.
  • the spindle 31 forms with a spindle nut 33 a Spindle drive 34, the spindle 32 with a spindle nut 35 a Spindle drive 36.
  • the spindle nut 33 is connected to the support 22 and the slide rail 15, the spindle nut 35 with the support 23 and the slide rail 18 motion connected. These compounds are manufactured via support-side drivers 37, 38. In one of their directions of movement, i.e. in one of the directions of the double arrow 24, the spindle nuts 33, 35 via damping elements 39, 40 of damping devices 41, 42 to the support side Supported drivers 37, 38. This support takes place via slide 43, 44 of the damping devices 41, 42. In this case be the spindle nuts 33, 35 with a gap 45 or with a gap 46 spaced from the support-side dogs 37, 38 held. The slides 43, 44 are against one of the Damping elements 39, 40 exerted elastic restoring force in the axial direction of the spindles 31, 32 and thereby in the direction of the support-side dog 37, 38 slidably.
  • the supports 22, 23 and with these the attached slide rails 15, 18 when operating the common transverse drive motor 26 simultaneously and in opposite directions in the workpiece transverse direction emotional. Take approximately the slide 15 their shown in Figure 2 Function position, in which they edit the Pipe during the bending process in the usual way in radial Direction supports, so the slide rail 18 at the opposite Side of the tool carrier 12 in one of the zu process the tube spaced position.
  • Appropriate Conditions arise when, instead of the bending tool 10, the bending tool 11 used for workpiece machining is and for this purpose, the slide rail 18 in the workpiece transverse direction is transferred to their workpiece near functional position.
  • the damping devices 41, 42 serve to protect the drive trains Supports 22, 23 in case of overload.
  • the damping device 41 also takes over Function of an overload protection during movement of the support 23 or the slide rail 18 in the workpiece remote end position. Due to the drive coupling of the spindle nuts 33, 35th is overloaded with the emergence of the support 23 and the slide rail 18 motion-connected spindle nut 35 arranged on its left in Figure 2 side and of a Storage of the spindle 32 formed stop the gap 45th between the spindle nut 33 and the support-side driver 37 closed. Due to the damping transmitting connection the spindle nuts 33, 35 is therefore also the emergence of the Spindle nut 35 damped on her left in Figure 2 end stop, without for this purpose a separate damping device between the spindle nut 35 and its left end stop would be provided. Accordingly, the damping device is used 42 for overload protection both during the movement of the support 23 and the slide rail 18 in the right in Figure 2 End position as well as movement of the support 22 and the Slide rail 15 in the left in Figure 2 end position.
  • damper devices 41, 42 become even then effective when the slide rails 15, 18 in their movement a workpiece distant non-functional in the workpiece near Functional position undesirable in the workpiece transverse direction, to run into an obstacle. If the slide rail 15 is blocked, so speaks the damping device 41. When blocking the slide 18 enters the damping device 42 in Function.
  • spindles 47, 48 by means of which the slide rails 15, 18 can be moved in the same direction in the workpiece longitudinal direction in the case of supports 22, 23 which are stationary in the workpiece longitudinal direction.
  • This longitudinal movement serves, for example, to prevent a relative movement between the slide rail 15, 18 and the workpiece to be bent during workpiece machining at the slide rail 15, 18 which occupies its functional position in the workpiece transverse direction.
  • the drive-like coupling of the unused with the guide rail 15, 18 located in the operating position makes it possible to move the two slide rails 15, 18 with a simply configured drive, in particular with a single, common longitudinal drive motor, in the workpiece longitudinal direction.
  • the driving coupling of the slide rails 15, 18 in their movement in the workpiece longitudinal direction does not necessarily assume that - as shown in Figure 2 - the supports 22, 23 and slide rails 15, 18 are also drivingly coupled in the workpiece transverse direction or moved in opposite directions.
  • FIG 3 is a section through the pivot arm 20 with the thereto in the radial direction of the bending axis 19 guided clamping jaws 14, 17 shown.
  • the jaw 14 takes its functional position in the workpiece transverse direction, in which they to bending tube (not shown) against the associated bending die 13 applied.
  • the jaw 17 is in a position method, in which they from the associated bending die 16 relatively far away.
  • the jaws 14, 17 are the same like the slide rails 15, 18 for movement in the workpiece transverse direction drivingly coupled and movable in opposite directions.
  • drive is according to the transverse drive the supports 22, 23 and slide rails 15, 18 configured.
  • a common electric Transverse drive motor 49 via a spindle drive 50th with spindle 51 and spindle nut 52, the jaw 14 and over a spindle drive 53 with spindle 54 and spindle nut 55 the Clamping jaw 17 drives in the workpiece transverse direction.
  • a Damping device 57 with damping element 58 and slider 59th intended between the Spindle nut 52 and a jaw cam 56.
  • a damping device 60 with Damping element 61 and slide 62 between the spindle nut 55 and a movement associated with the clamping jaw 17 Spannbackenmit commentary 63 effective.
  • Each of the damping devices 57, 60 forms according to the damping means 41, 42 a Overload protection during the movement of the clamping jaws 14, 17 vertically to the bending axis 19.
  • FIG. 4 the conditions on the front end side are 4 of the machine frame 2 of the bending machine 1 in plan view shown.
  • FIGS. 5a, 5b show diagrammatically those on the bending machine 1 actually realized ratios in plan view shown on the bending device 5.
  • the bending tool 10 with the bending die 13, the clamping jaw 14 and the slide rail 15 is used for editing and is extended Lines, the bending tool 11 with the bending die 16, the clamping jaw 17 and the slide 18 remains unused and is shown in dashed lines.
  • the clamping jaw 14 takes on the bending die 13 and the slide 15 their functional positions. In these Positions are the jaw 14 and the slide rail 15th starting from a non-functional position offset to the right in FIG. 5a moved in the workpiece transverse direction. With the movement of the clamping jaw 14 and the slide rail 15 in the Functional position connected was an opposite movement of the Clamping jaw 17 and the slide rail 18 of the bending tool 11th in the illustrated workpiece distant non-functional position.
  • the clamping jaw acts 14 the pipe to be deformed against the bending die 13.
  • the pipe is therefore between the bending die 13 and the jaw 14th clamped fixed.
  • the slide rail 15 abuts against the workpiece and supports it against a movement directed to the right in FIG. 5a from.
  • the bending die rotates 16 in common with the bending die 13 of the Biegewerkzeüges 10 about the bending axis 19.
  • the clamping jaw 17 of the bending tool 11 leads with the clamping jaw 14 of the bending tool 10 a Pivoting movement about the bending axis 19.
  • the slide rail 18 of the bending tool 11 moves due to the existing driving Coupling in the same direction with the slide rail 15 in Workpiece longitudinal direction.
  • the speed of the slide rail 18 in the workpiece longitudinal direction corresponds to the speed the slide rail 15.
  • the positions of the clamping jaw 14 and the slide rail 15 in Figure 6a correspond to those positions which these bending tool parts take in Figure 5a.
  • the jaw 17 as well the slide rail 18 are shown in Figure 6a in the workpiece transverse direction but not in opposite directions to the jaw 14 and the Slide rail 15 moved into an inoperative position, in which the clamping jaw 17 with respect to the bending axis 19 radially would lie outside of the jaw 14. Rather are the jaw 17 and the slide 18 of the not in Insert bending tool 11 in the workpiece transverse direction also in their functional positions.
  • FIGS 7 to 12 show a bending device 105, which from the above-described bending device 5 by the type of the bending tools used. So are at one Tool carrier 112 of the bending device 105 as bending tools 110, 111 multi-level bending tools provided, each two Single tools include. Of the four individual tools thus available Four different bending radii are formed.
  • the bending tool 110 comprises along a bending axis 119 Bending matrices 113, 164 arranged one above the other the bending tool 111 has bending dies 116, 165.
  • the Bending dies 113, 164 are clamping jaws as further tool parts 114, 166 and slide rails 115, 167 assigned.
  • the bending tool 111 includes in addition to the bending dies 116, 165 jaws 117, 168 and slide rails 118, 169.
  • the bending device 105 is located in their the beginning of a pipe processing associated operating state.
  • the bending dies are used for pipe processing 113, the jaw 114 and the slide 115. Accordingly is the jaw 114 in the workpiece transverse direction in their functional position proceed, when they take them to working pipe against the bending die 113 acted upon.
  • slide 115 Also in the workpiece-near functional position in workpiece transverse direction is the slide 115.
  • the jaw 166 With the jaw 114, the jaw 166 is moving connected.
  • the slide rails form 115, 167 a movement unit.
  • the jaw 114 and the slide 115 thus also take the jaw 166 and the slide 167 a workpiece near position.
  • the jaw 114 and the slide 115 of the Bending tool 110 is based on the proportions according to Figures 7, 8 of the pivot arm 120 about the bending axis 119 in the position according to the figures 9, 10 moves.
  • the means of Bending die 113 and the jaw 114 clamped pipe is doing bent around the bending die 113.
  • the slide rail 115 supports the tube laterally.
  • the driving coupling of the slide rails 115 is effected, 167 on the one hand and the slide rails 118, 169 on the other by means of a common longitudinal drive motor 171, the can be seen in detail in Figures 8 and 10 and at this is an electric motor in the illustrated example case is.
  • the longitudinal drive motor 171 is by means of a Triangular joint arrangement 172 mounted on the tool carrier 112.
  • the Triangle assembly 172 includes a long rocker 173 as well a short rocker 174.
  • the long rocker 173 is slide rail side about a pivot axis 175, the short rocker 174 is Sliding track side about a pivot axis 176 pivotally mounted.
  • a longitudinal feed gear 178 is provided for driving the slide rails 115, 167 in the workpiece longitudinal direction is between the slide rails 115, 167 and the longitudinal drive motor 171 .
  • the spindle drive 179 in turn, has a support 122 for the slide rails 115, 167 rotatably mounted spindle nut 181 and a cooperating gear spindle 182 on.
  • the axis of rotation of the spindle nut 181, the longitudinal axis of the gear spindle 182 and the pivot axis 175 of the long rocker 173 the three-jointed arrangement 172 coincide with each other.
  • the transmission spindle 182 of the Spindle drive 179 is connected to the slide rails 115, 167 in the workpiece longitudinal direction slidably on the stationary part 121 the tool carrier 112 out.
  • the spindle nut 181 For driving the gear spindle 182 and the slide rails 115, 167 in the workpiece longitudinal direction is the spindle nut 181 to their Turn axis.
  • the drive belt 183 serves an endlessly circulating Drive belt 183 of the belt drive 180.
  • the drive belt 183 in turn is driven by the longitudinal drive motor 171 and forms a geared connection between the longitudinal drive motor 171 and the sliding rail side transmission element spindle nut 181.
  • the drive belt 183 With the long swingarm 173, the drive belt 183 is pivotable about the pivot axis 175.
  • a longitudinal feed gear 184 includes a spindle drive 185 and a Belt drive 186.
  • a spindle nut 187 of the spindle drive 185 is at a movable in the workpiece transverse direction support 123rd stored and interacts with a common with the slide rails 118, 169 movable in the workpiece longitudinal direction gear spindle 188 together.
  • a drive belt 189 of the belt drive 186 forms a geared connection between the longitudinal drive motor 171 and the spindle drive 185 and is with the short Rocker 174 pivotable about the pivot axis 176.
  • the spindle nut 187 forms a slide rail side transmission element.
  • the three-jointed structure of the bearing of the longitudinal drive motor 171 and the longitudinal feed gear, 178, 184 allows the Slides 115, 167 on the one hand and the slide rails 118, 169 on the other hand, regardless of their mobility in the workpiece transverse direction by means of a single drive motor, namely by means of the common longitudinal drive motor 171, in Workpiece longitudinal direction to move.
  • a total of four drive motors are sufficient the bending devices 5, 105 to pipes with different Bend radii and in opposite directions to bend.
  • two transverse drive motors are required, a longitudinal drive motor and a swing motor.
  • the transverse drive motors serve to counteract the movement of the Tool carriers 12, 112 opposite clamping jaws 14, 17; 114, 166; 117, 168 as well as on the two sides of the tool carrier 12, 112, provided slide rails 15, 18; 115, 167; 118, 169.
  • the longitudinal drive motor are the slide rails 15, 18; 115, 167; 118, 169 rectified in the workpiece longitudinal direction postponed.
  • the swivel drive motor Finally, to execute the pivoting movement of Swivel arms 20, 120 about the bending axes 19, 119. All drive motors are available in a size that accommodates the drive motors directly to the tool carriers 12, 112 permits.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP20030005462 2002-09-05 2003-03-15 Machine de cintrage avec outils de cintrage disposés aux côtés opposés d'un support porte-outils Expired - Lifetime EP1396295B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20030005462 EP1396295B1 (fr) 2002-09-05 2003-03-15 Machine de cintrage avec outils de cintrage disposés aux côtés opposés d'un support porte-outils
US10/798,105 US7021102B2 (en) 2003-03-15 2004-03-10 Bending machine with bending tools on opposite sides of a tool platen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02020012 2002-09-05
EP02020012A EP1396294A1 (fr) 2002-09-05 2002-09-05 Machine de cintrage avec outils de cintrage disposés aux côtés opposés d'un support porte-outils
EP20030005462 EP1396295B1 (fr) 2002-09-05 2003-03-15 Machine de cintrage avec outils de cintrage disposés aux côtés opposés d'un support porte-outils

Publications (2)

Publication Number Publication Date
EP1396295A1 true EP1396295A1 (fr) 2004-03-10
EP1396295B1 EP1396295B1 (fr) 2006-06-21

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EP20030005462 Expired - Lifetime EP1396295B1 (fr) 2002-09-05 2003-03-15 Machine de cintrage avec outils de cintrage disposés aux côtés opposés d'un support porte-outils

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016101908A1 (de) * 2016-02-03 2017-08-03 Dengler Tubetec Gmbh Vorrichtung und Verfahren zum Biegen von Rohren
US9849494B2 (en) 2013-11-15 2017-12-26 Textron Innovations Inc. Automated bender and systems and methods for providing data to operate an automated bender
CN108405686A (zh) * 2018-03-26 2018-08-17 奥美森智能装备股份有限公司 折弯机的随动装置
CN115008727A (zh) * 2022-06-01 2022-09-06 宁波敏达智行汽车零部件有限公司 一种车辆密封条的加工设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193236A (en) * 1981-09-17 1982-11-27 Chiyoda Kogyo Kk Both right and left bending type bender
DE3302888A1 (de) * 1982-06-26 1983-12-29 Chiyoda Kogyo Co. Ltd., Osaka Rohrbiegevorrichtung
EP0538207A2 (fr) * 1991-10-16 1993-04-21 FABBRICA MACCHINE CURVATUBI CRIPPA AGOSTINO S.p.A. Cintreuse pour tubes multi-fonctionnel
US6038903A (en) * 1998-03-09 2000-03-21 Eaton Leonard, Inc. Dual headed bending machine
US6192728B1 (en) * 2000-05-30 2001-02-27 Yin Lin Machine Industrial Co., Ltd Pipe bending machine accurately controlling bent angles of pipes
DE20120015U1 (de) * 2001-06-15 2002-02-28 Talleres Enrique Tejero S L Verbesserte Biegemaschine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193236A (en) * 1981-09-17 1982-11-27 Chiyoda Kogyo Kk Both right and left bending type bender
DE3302888A1 (de) * 1982-06-26 1983-12-29 Chiyoda Kogyo Co. Ltd., Osaka Rohrbiegevorrichtung
EP0538207A2 (fr) * 1991-10-16 1993-04-21 FABBRICA MACCHINE CURVATUBI CRIPPA AGOSTINO S.p.A. Cintreuse pour tubes multi-fonctionnel
US6038903A (en) * 1998-03-09 2000-03-21 Eaton Leonard, Inc. Dual headed bending machine
US6192728B1 (en) * 2000-05-30 2001-02-27 Yin Lin Machine Industrial Co., Ltd Pipe bending machine accurately controlling bent angles of pipes
DE20120015U1 (de) * 2001-06-15 2002-02-28 Talleres Enrique Tejero S L Verbesserte Biegemaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 044 (M - 195) 22 February 1983 (1983-02-22) *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9849494B2 (en) 2013-11-15 2017-12-26 Textron Innovations Inc. Automated bender and systems and methods for providing data to operate an automated bender
EP3068556A4 (fr) * 2013-11-15 2018-02-14 Textron Innovations Inc. Fourniture de données pour fonctionnement de cintreuse automatisée
US10406580B2 (en) 2013-11-15 2019-09-10 Greenlee Tools, Inc. Automated bender and systems and methods for providing data to operate an automated bender
US10792718B2 (en) 2013-11-15 2020-10-06 Greenlee Tools, Inc. Follower bar assembly for a bender
DE102016101908A1 (de) * 2016-02-03 2017-08-03 Dengler Tubetec Gmbh Vorrichtung und Verfahren zum Biegen von Rohren
DE102016101908B4 (de) * 2016-02-03 2017-11-02 Dengler Tubetec Gmbh Vorrichtung und Verfahren zum Biegen von Rohren
US10232424B2 (en) 2016-02-03 2019-03-19 DENGLERLANG TUBE TEC GmbH Device and method for bending pipes
CN108405686A (zh) * 2018-03-26 2018-08-17 奥美森智能装备股份有限公司 折弯机的随动装置
CN108405686B (zh) * 2018-03-26 2024-02-23 奥美森智能装备股份有限公司 折弯机的随动装置
CN115008727A (zh) * 2022-06-01 2022-09-06 宁波敏达智行汽车零部件有限公司 一种车辆密封条的加工设备
CN115008727B (zh) * 2022-06-01 2024-01-26 宁波敏达智行汽车零部件有限公司 一种车辆密封条的加工设备

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