EP2522443A2 - Procédé de définition d'un ensemble d'outil de poinçonnage destiné au traitement par poinçonnage de pièces usinées ainsi que machine de poinçonnage dotée d'un tel ensemble d'outil de poinçonnage - Google Patents

Procédé de définition d'un ensemble d'outil de poinçonnage destiné au traitement par poinçonnage de pièces usinées ainsi que machine de poinçonnage dotée d'un tel ensemble d'outil de poinçonnage Download PDF

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Publication number
EP2522443A2
EP2522443A2 EP20120179637 EP12179637A EP2522443A2 EP 2522443 A2 EP2522443 A2 EP 2522443A2 EP 20120179637 EP20120179637 EP 20120179637 EP 12179637 A EP12179637 A EP 12179637A EP 2522443 A2 EP2522443 A2 EP 2522443A2
Authority
EP
European Patent Office
Prior art keywords
punching
punch
die
punching die
machining program
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
EP20120179637
Other languages
German (de)
English (en)
Other versions
EP2522443A3 (fr
EP2522443B1 (fr
Inventor
Wolfgang Laib
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 Werkzeugmaschinen SE and Co KG
Original Assignee
Trumpf Werkzeugmaschinen SE and Co KG
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
Application filed by Trumpf Werkzeugmaschinen SE and Co KG filed Critical Trumpf Werkzeugmaschinen SE and Co KG
Priority to EP20120179637 priority Critical patent/EP2522443B1/fr
Publication of EP2522443A2 publication Critical patent/EP2522443A2/fr
Publication of EP2522443A3 publication Critical patent/EP2522443A3/fr
Application granted granted Critical
Publication of EP2522443B1 publication Critical patent/EP2522443B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/08—Dies with different parts for several steps in a process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14—Dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/246—Selection of punches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49716—Converting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0524—Plural cutting steps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8727—Plural tools selectively engageable with single drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8733—Tool movable to cooperate selectively with one of a plurality of mating tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool

Definitions

  • the invention further relates to a computer program product comprising coding means which are adapted to carry out the above machining program and a method for punching machining of workpieces, in particular sheets.
  • US 6,401,056 B1 describes the collection of information about punches during tool life. Included are, among other things, regrinding operations on punching dies as well as the size-related development of the punching die height associated with the regrinding.
  • the acquired tool data is to enable the tool user to determine the time at which a punching tool must be repaired or replaced.
  • stamping dies are generally used with a die opening, the wall of which runs under a so-called "clearance angle" with respect to the wall of the stamping punch dipping into the die opening.
  • the clearance angle is intended to ensure that the punched out material reliably leave the punching die and that the punch can return to its original position without hindrance after penetrating the workpiece to be machined and the associated immersion in the die opening of the punching die.
  • the clearance angle on punching dies would be as large as possible.
  • Regrinding of punching dies is carried out in particular due to signs of wear on the die cutting edge and is connected to the punching die with a material removal in the dipping direction of the punch. With the material removal goes due to the Angular clearance associated with an enlargement of the cross section of the die opening at the level of Matrizenschneidkante ("die cutting edge cross section").
  • die cutting edge cross section is decisive for the assignment of the punching die to a cooperating punch ("stamping punch assignment") or for the thickness of the workpiece which can be machined by means of the punching die and the punch punch associated therewith ("workpiece thickness assignment").
  • a cutting gap with a gap width depending on the material thickness to be processed ideally remains between the die cutting edge of the punching die and the punch.
  • a punching tool set is provided for this purpose which comprises a round punch with a diameter of 5 mm and a punching die with a circular die opening whose die cutting edge has a diameter of 5.2 mm.
  • the punching tool users are kept for individual processing tasks, such as a specific sheet thickness and a specific punch diameter, punching tool sets that are designed specifically for the respective machining task. Regrinding of the punching die of such a punching tool set, for example due to wear on the die cutting edge, is only provided to an extent in which the enlargement of the die cutting edge cross section associated with the regrinding of the cutting die does not lead to an engagement between the die cutting edge and the associated punch further cutting gap results.
  • the die cutting edge cross-section already expands due to a slight regrinding of the punching die to a value which, given the punching punch, must not be exceeded in the interest of high-quality machining results. In the case of an excessively wide cutting gap, only lower quality machining results would be possible by means of the punching tool set. If the size of the Matrizen cutting edge cross section has reached its limit, it is usually apart from further regrinding and instead removed the punching die from the inventory and scrapped.
  • the change of the die cutting edge cross-section associated with the post-processing is taken into account when assembling a punching tool set from a punch and from a punching die produced by post-processing of a precursor punching die.
  • the die cutting edge cross section of the punching die (created by post processing) results from the change in the die cutting edge cross section associated with the postprocessing.
  • This "current" die cutting edge cross-section forms the basis for the punch stamp assignment and / or the workpiece thickness assignment of the punching die. It is conceivable that the punching die is assigned to a different punch than the predecessor punching die due to the post-processing and the associated material removal.
  • the punching die another Workpiece thickness to be assigned as the predecessor punching die.
  • the post-processed, in particular the reground punching die is also used to assemble punching tool sets.
  • the cancellation according to the invention of a rigid bonding of punching dies to certain punches and / or to certain workpiece thicknesses results in a maximization of the service life of the punching dies.
  • the punching tool sets defined in the described manner are to be arranged on the punching device of a punching machine such that they can perform the desired workpiece machining.
  • the height of the punch die measured in the direction of insertion of the punch decreases and the die cutting edge shifts accordingly.
  • the height position of the die cutting edge on the top of the punch die facing the punch is important for workpiece machining in several respects.
  • the height of the die cutting edge is required in order to be able to measure the amount of the punching stroke to be executed by the punch. It must also be ensured that the top side of the punching die does not protrude above a workpiece support on which the workpiece is mounted in the surroundings of the punching device, for example during subsequent movements which the workpiece performs between individual punching strokes relative to the punching device.
  • the above aspects are taken into account when setting up the punching device of a punching machine by the punching die is positioned on the punching device of the punching machine in the dipping direction of the associated punch depending on the amount of material removal during the post-processing.
  • the height adjustment of the punching die on the punching device of the punching machine is carried out by means of a corresponding lifting device of the punching machine as a function of the amount of material removal in the post-processing of the punching die.
  • a punching die associated punch is part of a punch assembly comprising a plurality of punches.
  • the controlled by the machining program setting device serves to position the punch assembly and the punching die relative to each other such that the punching die and the punch of the defined punching tool set in cooperation can perform the relevant workpiece machining.
  • the punching die is part of a punching die assembly comprising a plurality of punching dies.
  • the punching die assembly on the one hand and the punch of the defined punching tool set on the other hand are positioned so that the punching die of the defined punching tool set and the associated punch are functional.
  • the machining program according to the invention is performed numerically controlled.
  • the subject of claim 11 is a provided for this purpose computer program product. If the machining program according to the invention runs on a numerical control of the punching machine, the claimed lifting device and the adjusting device according to the invention are controlled in the sense of the invention.
  • the machining program according to the invention in a method for punching machining of workpieces, in particular sheets, integrated.
  • the change in the die cutting edge cross section associated with machining the precursor die may be of a different nature.
  • the reason for a change in the size of the die cutting edge cross-section caused by the post-processing can be a clearance angle under which the wall of the die opening runs on the predecessor punch die with respect to the wall of the punch piercing the die opening.
  • the punch stamp assignment and / or the workpiece thickness assignment of the punching die according to the invention in dependence on the amount of the clearance angle (claim 8).
  • the dimensional change of the die cutting edge cross-section associated with the post-processing Based on the dimensional change, starting from the original Size of the die cutting edge cross section are determined as a result of the post-processing adjusting size of the die cutting edge cross-section.
  • the machining-related change of the die cutting edge cross section is in a change in shape. Accordingly, the punch stamp assignment and / or the workpiece thickness assignment is made in response to the change in the shape of the die cutting edge cross section associated with the finishing operation.
  • Fig. 1 has a punching machine 1 for punching machining workpieces in the form of sheets 2, a C-shaped machine frame 3 with an upper frame leg 4 and a lower frame legs 5.
  • a conventional coordinate guide 7 is housed in a pharynx 6 of the machine frame 3.
  • this includes a transverse rail guide 8 and a transverse rail 9 guided thereon.
  • the transverse rail guide 8 can be moved jointly with the transverse rail 9 in the direction of a horizontal ⁇ axis by means of a drive motor, not shown.
  • the cross rail 9 can be moved by means of a likewise not shown drive motor along the transverse rail guide 8 in the direction of a horizontal and thereby perpendicular to the ⁇ -axis extending x-axis.
  • cross rail 9 clamping claws 10 of conventional design for holding a sheet 2 are provided.
  • the cross rail 9 serves as a tool magazine.
  • 9 tool holder 11 are releasably attached to the cross rail.
  • a tool holder 11 is in Fig. 6 shown.
  • the punching station 12 is a Monostanzkopf. Accordingly, the punching station 12 includes tool bearings in the form of an upper tool holder 13 on the upper frame leg 4 and in the form of a lower tool holder 14 on the lower frame leg fifth
  • a punch 15 and in the lower tool holder 14 a punching die 16 are loaded into the upper tool holder 13. Together, the punch 15 and the punching die 16 form a punching tool set 17.
  • the punching die 16 is in detail in the FIGS. 2a, 2b, 2c shown.
  • Fig. 6 shows the punching die 16 in combination with the punch 15.
  • An electric rotary / lifting drive 18 of the punching machine 1 comprises an upper electrical rotary / lifting drive unit 19 and a lower electric rotary / lifting drive unit 20.
  • the punching tool which is inserted into the upper tool holder 13, in the present case the punch 15, along a running in the direction of a vertical z-axis lifting axis 21 and lowered and also rotated in a direction of rotation 22 illustrated by a double arrow about the lifting axis 21.
  • the punching tool inserted into the lower tool holder 14, here: the punching die 16 can be moved by means of the lower rotary / lifting drive unit 20 move translationally along the lifting axis 21 and rotate in the direction of rotation 22 about the lifting axis 21.
  • FIGS. 2a, 2b is the punching die 16 of conventional design. It has a circular cutting edge 24 which in the illustrated case is circular, which in turn delimits a die opening 25 with a circular cross section.
  • the die opening 25 extends in the installed position on the punching machine 1 in the direction of the lifting axis 21. Along the lifting axis 21 of the punch 15 dives in the sheet metal processing in the die opening 25 a.
  • An arrow 26 points in FIG. 2b
  • the die cutting edge 24 of the punching die 16 and a corresponding circular punch cutting edge act under stamping processing of the sheet 2 concerned together in the punching sheet metal processing.
  • the die opening 25 widens in the dipping direction 26, forming a clearance angle ⁇ , which is greatly oversubscribed. Accordingly, the die opening 25 has a frusto-conical shape.
  • the clearance angle ⁇ is to ensure that punched slugs which are punched out of a machined sheet 2 by means of the die cutting edge 24 function reliably out of the punching die 16 at the bottom.
  • the punching die 16 has resulted by post-processing a predecessor punching die 16 'with a height h 0 .
  • the precursor punching die 16 ' was reground due to wear on the die cutting edge.
  • 26 material with an erosion height of ⁇ h was removed on the precursor punching die 16 'in the direction of insertion 26.
  • an increase in the die cutting edge cross section or the die cutting edge diameter from d 0 to d was associated with the material removal.
  • a corresponding increase in the diameter of the die cutting edge 24 will result if the punching die 16, starting from their dimensions in accordance with FIGS. 2a, 2b, 2c is reground again by the amount ⁇ h.
  • FIGS. 3a, 4a show the punching template assemblies 27, 28 in section along the in the FIGS. 3b, 4b indicated cutting lines.
  • each ten punching dies 27/1 ... 27/10 or 28/1 ... 28/10 are integrated. Each of them has a die opening 25 with a die cutting edge 24 of the FIGS. 2a, 2b, 2c
  • the die opening 25 of each punching die 27/1 ... 27/10, 28/1 ... 28/10 forms a clearance angle ⁇ .
  • the punching die assemblies 27, 28 are largely identical. The only constructive difference is an elevation of the punching die assembly 28 relative to the punching die assembly 27. Thus, the punching die assembly 28 provides a larger regrinding reserve.
  • the course of the lifting axis 21, which simultaneously represents a rotation axis, is in the FIGS. 3a, 3b and 4a, 4b indicated.
  • the die openings 25 of the punching dies 27/1 ... 27/10, 28/1 ... 28/10 are arranged with their centers on a circular arc about the lifting or rotation axis 21.
  • the punching die 16 are in accordance with FIGS. 2a, 2b, 2c and the punching dies 27/1 ... 27/10 and 28/1 ... 28/10 according to the Figs. 3a, 3b and 4a, 4b a specific punch ("punch stamp assignment") and / or a specific workpiece, in the present case a specific sheet thickness ("workpiece thickness assignment", here: “sheet thickness assignment”) assigned.
  • the punch stamp assignment and / or the workpiece thickness assignment of a punching die is made as a function of the diameter of the punching to be produced and moreover as a function of the thickness of the sheet to be punched.
  • the diameter of the cutout to be created gives the matching one Stamp diameter of the punch to be used before.
  • the thickness of the sheet to be processed is decisive insofar as in the interest of a functionally reliable workpiece machining of the die cutting edge diameter must exceed the punch diameter of the punch to be combined with the punching die by a dependent on the sheet thickness to be processed measure.
  • Fig. 5 the punching die arrangement 27 or the punching die arrangement 28 identical in this view with the punching die arrangement 27 is shown.
  • the die openings 25 of the punching dies 27/1 ... 27/10, 28/1 ... 28/10 are dimensioned with the respective die cutting edge diameter before and after a regrinding process.
  • the die cutting edge diameter of the individual punching dies 27/1 ... 27/10, 28/1 ... 28/10 has accordingly increased by 0.2 mm in each case owing to the material removal associated with the regrinding.
  • the stamping die assignment of the punching dies 27/1 ... 27/10, 28/1 ... 28/10 remained unchanged regardless of the regrinding process, then only the sheet-metal thickness assignment of the punching dies 27/1 ... 27/10, 28/1 would be left. ..28 / 10 to change.
  • the punching dies 27/1 ... 27/10, 28/1 ... 28/10 could be used instead of the sheet thicknesses 1 mm, 2 mm ... 10 mm before regrinding Following the post-processing sheet thicknesses of 3 mm, 4 mm ... 12 mm can be machined.
  • the stamping punch assignment of the punching dies 27/1 ... 27/10, 28/1 ... 28/10 is maintained despite the regrinding of the punching die arrangements 27, 28, then the stamping punch assignment of the punching dies 27/1 ... 27/10, 28/1 ... 28/10 to change. If sheet metal thicknesses of 1 mm, 2 mm ... 10 mm are also to be processed following finishing, the punching dies are 27/1 ... 27/10, 28/1 ... 28/10 following the post-processing To assign a punch with a punch diameter of 4.2 mm.
  • a punch stamp assignment and / or a sheet thickness assignment of the punching dies 16, 27/1 ... 27/10, 28/1 ... 28/10 is carried out as part of a computer-aided tool management.
  • a data memory of a numeric tool management system 32 ( Fig. 1 ) are stored the essential data of the tools held by the operator of the punching machine 1 tool inventory.
  • the individual tools assigned identification numbers (“ident numbers"), the dimensions of the respective tool when new and the regrinding length of the individual tools, ie the amount in millimeters, which has been removed on the respective tool, starting from the new state in particular due to wear.
  • the database of the tool management system 32 is changeable. For example, additional tools can be created in the tool management or created tools can be removed from the inventory. In the case of reworking tools, the re-grinding length is entered for the relevant tool and stored in the data memory of the tool management system 32.
  • the regrinding length for example, of punching dies is limited for design reasons. If the maximum regrinding length is reached, the relevant tool is no longer reworked, but then, if a post-processing would be necessary, taken from the inventory.
  • a sheet metal 2 is to be machined on the punching machine 1, a numerical machining program to be processed by means of the CNC control 23 of the punching machine 1, namely an NC program 33 (FIG. Fig. 1 ) created.
  • a tool requirement list is also generated in which all tools required for the execution of the NC program 33 are entered.
  • To create the tool requirement list use is made of the tool data stored in the tool management system 32. If a circular punch-out with the diameter d is to be created on a sheet 2 with the thickness s, a round punch with the nominal diameter d is selected from the tool stock that is created in the tool management system 32.
  • the punching die selected can be a stamping tool in the new state, but also a post-processed punching tool whose die opening has only been given the required nominal diameter due to the material removal carried out during the post-processing.
  • the selected punching tools appear with their identification numbers in the tool requirement list of the NC program 33 to be imported into the CNC controller 23 and to be processed by means of the CNC controller 23.
  • the operator of the punching machine 1 can assemble the punching tool set defined by means of the data of the tool management system 32 in order to set up the punching device 12.
  • the operator accesses the punching tools of, for example, a tool cabinet housed in a tool inventory.
  • a scraper 29 is fixed to the tool holder 11.
  • the punch 15 and the punching die 16 is attached to the used as a tool magazine cross rail 9 of the punching machine 1.
  • the other magazine locations are fitted to the cross rail 9 with tool holders 11 and punching tool sets arranged thereon.
  • the distribution of the individual tool holder 11 with the respective punching tool sets on the magazine locations on the cross rail 9 is defined in the context of the setup process for the punching machine 1.
  • the cross rail 9 moves numerically controlled to the punching station 12, where the punch 15 and the punching die 16 in the usual way to the upper tool holder 13th and transferred to the lower tool holder 14.
  • the scraper 29 is installed at the punching station 12.
  • the cross rail 9 moves with the now empty tool holder 11 in a position in which the sheet 2 to be processed by means of the cross rail 9 also provided clamping claws 10 can be detected.
  • This results in the conditions according to Fig. 1 Immediately by the replacement in the upper tool holder 13 and in the lower tool holder 14 of the punch 15 and the punching die 16 are arranged in a workable state.
  • Such a height adjustment may be necessary in particular if the punching die 16 is a post-processed punching die and the lower tool holding fixture 14 still has its predecessor punching die with regard to its height adjustment is tuned.
  • the lower tool holder 14 is lifted by means of acting as a lifting device lower rotary / lifting drive unit 20 by the extent of the material removal carried out in the post-processing of the predecessor of the punching die 16.
  • the sheet 2 to be processed is positioned in the usual way by means of the coordinate guide 7 and then processed by the punch 15 with one or more strokes.
  • FIGS. 7a, 7b can also use a punching tool 17, as in the FIGS. 7a, 7b is shown, are used.
  • This punching tool set 17 includes one of the punching dies 27/1 ... 27/10 of the punching die assembly 27 according to FIGS. 3a, 3b and an eccentric punch 30.
  • FIGS. 7a, 7b on the punching die assembly 27 only five of the total of ten punching dies 27/1 ... 27/10 shown.
  • the punching die assembly 27 and the eccentric punch 30 are attached to a tool holder 11 and fixed by means of the tool holder 11 on the cross rail 9 of the punching machine 1.
  • the eccentric punch 30 is loaded into the upper tool holder 13 and the punching die assembly 27 into the lower tool holder 14 of the punching station 12.
  • the height position of the punching die assembly 27 is adjusted if necessary by means of the lower rotary / lifting drive unit 20.
  • Deviating from the conditions according to Fig. 6 is the punching tool set according to the FIGS. 7a, 7b after being replaced by a relative movement of the punching die assembly 27 on the one hand and the eccentric punch 30 on the other hand arranged in a workable state.
  • the said relative movement is a relative rotational movement about the lifting axis 21.
  • the relative rotational movement is carried out by means of the upper rotary / lifting drive unit 19. This can the eccentric punch 30 um move the lifting shaft 21 in rotational positions in which the eccentric punch 30 can cooperate for sheet metal processing with each of the punching dies 27/1 ... 27/10.
  • the eccentric punch 30 is part of a punch assembly 31 which cooperates with the punching die assembly 27.
  • the punching operation only one of the punches of the punch assembly 31 is activated and assigned to the workpiece machining one of the punching dies 27/1 ... 27/10.
  • the punching tool set 17 used for workpiece machining is arranged in a workable state by relative rotation of the upper tool (punch 30 of the punch assembly 31) and lower tool (one of the punching dies 27/1 ... 27/10 of the punching die assembly 27).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP20120179637 2008-10-18 2008-10-18 Programme de fonctionnement à commande d'un ensemble d'outil de poinçonnage destiné au traitement par poinçonnage de pièces usinées Not-in-force EP2522443B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20120179637 EP2522443B1 (fr) 2008-10-18 2008-10-18 Programme de fonctionnement à commande d'un ensemble d'outil de poinçonnage destiné au traitement par poinçonnage de pièces usinées

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20080018279 EP2177290B1 (fr) 2008-10-18 2008-10-18 Procédé de définition d'un ensemble d'outil de poinçonnage destiné au traitement par poinçonnage de pièces usinées, tel ensemble d'outil de poinçonnage ainsi que machine de poinçonnage dotée d'un tel ensemble d'outil de poinçonnage
EP20120179637 EP2522443B1 (fr) 2008-10-18 2008-10-18 Programme de fonctionnement à commande d'un ensemble d'outil de poinçonnage destiné au traitement par poinçonnage de pièces usinées

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP20080018279 Division EP2177290B1 (fr) 2008-10-18 2008-10-18 Procédé de définition d'un ensemble d'outil de poinçonnage destiné au traitement par poinçonnage de pièces usinées, tel ensemble d'outil de poinçonnage ainsi que machine de poinçonnage dotée d'un tel ensemble d'outil de poinçonnage
EP08018279.3 Division 2008-10-18

Publications (3)

Publication Number Publication Date
EP2522443A2 true EP2522443A2 (fr) 2012-11-14
EP2522443A3 EP2522443A3 (fr) 2012-12-05
EP2522443B1 EP2522443B1 (fr) 2014-07-30

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EP20120179637 Not-in-force EP2522443B1 (fr) 2008-10-18 2008-10-18 Programme de fonctionnement à commande d'un ensemble d'outil de poinçonnage destiné au traitement par poinçonnage de pièces usinées
EP20080018279 Not-in-force EP2177290B1 (fr) 2008-10-18 2008-10-18 Procédé de définition d'un ensemble d'outil de poinçonnage destiné au traitement par poinçonnage de pièces usinées, tel ensemble d'outil de poinçonnage ainsi que machine de poinçonnage dotée d'un tel ensemble d'outil de poinçonnage

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CN106270117A (zh) * 2016-10-09 2017-01-04 国网浙江武义县供电公司 一种不锈钢双边冲角装置
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EP2522443A3 (fr) 2012-12-05
US9573182B2 (en) 2017-02-21
EP2522443B1 (fr) 2014-07-30
JP2011025309A (ja) 2011-02-10
US8701532B2 (en) 2014-04-22
JP5858595B2 (ja) 2016-02-10
US20140202298A1 (en) 2014-07-24
EP2177290A1 (fr) 2010-04-21
EP2177290B1 (fr) 2013-08-07
US20100095824A1 (en) 2010-04-22

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