EP0296594A2 - Méthode et dispositif d'alignement réciproque de galets de formage - Google Patents

Méthode et dispositif d'alignement réciproque de galets de formage Download PDF

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Publication number
EP0296594A2
EP0296594A2 EP88110039A EP88110039A EP0296594A2 EP 0296594 A2 EP0296594 A2 EP 0296594A2 EP 88110039 A EP88110039 A EP 88110039A EP 88110039 A EP88110039 A EP 88110039A EP 0296594 A2 EP0296594 A2 EP 0296594A2
Authority
EP
European Patent Office
Prior art keywords
rolling
tool
tools
rolling tool
marking
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.)
Withdrawn
Application number
EP88110039A
Other languages
German (de)
English (en)
Other versions
EP0296594A3 (fr
Inventor
Wilhelm Achenbach
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.)
Wanderer Maschinen GmbH
Original Assignee
Wanderer Maschinen GmbH
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 Wanderer Maschinen GmbH filed Critical Wanderer Maschinen GmbH
Publication of EP0296594A2 publication Critical patent/EP0296594A2/fr
Publication of EP0296594A3 publication Critical patent/EP0296594A3/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/04—Making by means of profiled-rolls or die rolls

Definitions

  • the invention relates to a method for the mutual alignment of at least two non-cutting cold forming of cylindrical workpiece surfaces by grooving, in particular thread rolling, serving rolling tools with a profiled surface, in which on the profile surface of the first rolling tool held in its axial operating position, a master workpiece having the workpiece surface shape to be produced under mutual profile engagement is applied radially and held in the position between the rolling tools and the second rolling tool is pressed radially in its axial operating position onto the master workpiece and is adjusted transversely to the pressing direction until there is also a full profile engagement between the master workpiece and the second rolling tool.
  • Such an alignment method using a master workpiece is known.
  • the alignment not only requires the correct arrangement of the rolling tools in relation to the workpiece with regard to their distance determined by the workpiece diameter, their even distribution over the circumferential surface of the workpiece and their axial alignment to the length range of the workpiece to be machined, in particular the profiles of Adjust rolling tools to each other so that they are in complement their influence on the workpiece.
  • This setting which is achieved in the aforementioned mode of operation with a master workpiece and which is addressed by the adjustability of the rolling tool transverse to its pressing direction against the workpiece, is intended to be facilitated by the invention.
  • a corresponding mutual profile setting of cooperating rolling tools is not limited to the case that a screwed or inclined rolling tool profiling is provided.
  • the corresponding problem of Profile setting also occurs, for example, when rolling with parallel flat tools, with which not only threads but also knurls, cords or serrations can be rolled in, which can be done with straight, pitch-free protrusions on the flat tools.
  • the method according to the invention also relates to the alignment of such flat tools with the profiles in question.
  • the alignment of the rolling tools using a master workpiece described at the outset is far superior to an alignment in the correction process, in which the setting of the rolling tools relative to one another is checked several times by an initial workpiece machining and a readjustment is carried out until the rolling tools work fully together.
  • This correction procedure is therefore of no significant significance and can only be considered where a corresponding master workpiece is missing.
  • the object of the invention is to make it easier to realign the rolling tools without having to compromise on the exact alignment.
  • the known alignment with a master workpiece is assumed as the first required initial alignment and the invention provides that, for easy reproducibility of the alignment, a marking is made on each rolling tool in such a way that it is in the aligned position of the rolling tools in register with a predetermined fixed position Point stands, so that for later alignment of the rolling tools only the markings have to be brought into alignment with the fixed point assigned to them and a new alignment by means of a master workpiece is not necessary.
  • the method can expediently be carried out in such a way that the marking is made on the first rolling tool before and on the second rolling tool after the rolling tools have been mutually aligned. If you do not work with two, but with three rolling tools acting on the same workpiece, Of course, the third rolling tool can only be marked after alignment.
  • the invention also relates to a device for carrying out the method according to the invention with at least two rolling tools, for the mutual alignment of which at least one rolling tool can be individually adjusted transversely to its pressing direction on the workpiece.
  • each rolling tool is assigned a position indicator which is attached to the device housing in such a way that a marking on the rolling tool can be made to coincide with it by the individual adjustment.
  • This position indicator fixed to the housing corresponds to the aforementioned fixed point which is assigned to the relevant mark.
  • the position indicators are attached to one end of the rolling tools Axially opposite markings with a small distance.
  • the markings can be made with a greater radial distance from the peripheral surface of the rolling tools, so that the markings do not interfere with reworking the profiled peripheral surfaces of the rolling tools.
  • a reorientation in the sense of the first alignment is generally to be carried out with a master workpiece during postprocessing, but since the alignment depends on a relative position between the rolling tools, at least the marking of a rolling tool can remain in the previous position.
  • the position indicators are formed by sensors which respond to the markings and give a signal when the cover position is reached. In this way, alignment or adjustment work can be facilitated because reaching the alignment position can be indicated optically or acoustically with the aid of the signal.
  • the sensors are designed as switches which, when the cover position is reached, switch off an individual adjustment drive of the rolling tool in question which is intended for adjustment.
  • the alignment can be carried out fully automatically without manual labor after the markings have been made on the rolling tools, so that tool setting can be triggered and carried out at the push of a button. This is a prerequisite for full NC operation that has not yet existed.
  • the invention is further directed to a rolling tool, which is intended for use in connection with the above-mentioned device having position indicators and according to the invention is characterized in that it is provided with a marking.
  • the marking is preferably arranged on a diameter line at a distance from the tool axis. This diameter line then forms an alignment reference line.
  • the marking can be adjusted and locked along a groove in the rolling tool.
  • a corresponding, for example dovetail-shaped groove can be made without problems before the rolling tools are hardened.
  • adjustment is only required within a limited angular range in the case of cylindrical rolling tools, so that an insertion for the marker carrier to be inserted into the groove can be provided at one end of the groove.
  • the dovetail groove can run over the entire length of the jaw so that the marker carrier can be inserted from the side.
  • the marking carrier can be locked by tightening it with a screw, so that if necessary the marking carrier can be easily loosened and adjusted or removed again. In view of the comparatively low speeds when rolling, there are no disturbing imbalances.
  • the marking can expediently be arranged on an end face of the cylindrical or hollow cylindrical segment-shaped rolling tool.
  • an embodiment is advantageous in which the marking is formed by a coding strip.
  • a coding strip that scans in a known manner using laser beams bar, enables a very precise reproduction of the alignment position.
  • the marking is glued onto the rolling tool. Gluing is recommended for hardened rolling tools that do not have any special facilities for attaching a marking, so that existing tools can be easily retrofitted.
  • ring-shaped rolling tools 3 and 4 are wedged with the two parallel machine spindles 1 and 2, the outer peripheral surface of which has profile projections 5 and 6, respectively.
  • the profile projections 5 and 6 run with a certain pitch helically around the tool axis 7 and 8, which coincides with the spindle axis in question.
  • a workpiece 10 is shown on a support ruler 9 arranged centrally under the tool gap, into which, as can be seen from FIG. 2, a thread is rolled.
  • the support ruler 9 can be replaced by a syringe bearing of the workpiece 10 or be omitted entirely if, instead of two diametrically acting rolling tools 3 and 4, three rolling tools are used, which are then distributed at an angle of 120 ° around the workpiece axis 11 on the workpiece Attack 10.
  • Both rolling tools 3 and 4 have a mark 12 or 13 on the end face at a predetermined location, which is shown in FIG Dimensions protrudes axially.
  • the markings 12 and 13 can, for example, be glued to the rolling tool 3 or 4.
  • FIG. 2 shows a stationary housing wall 14 which, for example, carries bearings for the spindles 1 and 2, which are not shown.
  • Two holders 15 and 16 protrude from this housing wall 14, in which essentially cylindrical position indicators 17 and 18 are fastened.
  • the position indicators 17 and 18 are arranged parallel to the axes 7, 8 and 11 and can be screwed into the holder 15 or 16 and secured with a lock nut, not shown, so that they can be adjusted axially.
  • FIG. 1 shows a stationary housing wall 14 which, for example, carries bearings for the spindles 1 and 2, which are not shown.
  • Two holders 15 and 16 protrude from this housing wall 14, in which essentially cylindrical position indicators 17 and 18 are fastened.
  • the position indicators 17 and 18 are arranged parallel to the axes 7, 8 and 11 and can be screwed into the holder 15 or 16 and secured with a lock nut, not shown, so that they can be adjusted axially.
  • the position indicators 17 and 18 are assigned to the markings 12 and 13, respectively, and are arranged essentially at the same radial distance from the axes 7 and 8, respectively, so that the markings 12 and 13 are at a predetermined rotational position of the rolling tools 3 and 4 the axially opposite the end faces of the position indicators 17 and 18 facing them.
  • the position indicators 17 and 18 are designed as sensors which respond electromagnetically to the markings 12 and 13, respectively, which respond to an approach of the markings 12 and 13 in accordance with their axial setting and can then emit a signal via a signal line 19.
  • the rolling tools 3 and 4 are driven synchronously in the same direction during thread rolling, as indicated by the directional arrows 20 and 21. Otherwise, the machine spindles 1 and 2 and thus the rolling tools 3 and 4 are adjustable in terms of their distance from one another and can also be rotated or driven individually in accordance with the arrows 20 and 21 in order to set the required rotational alignment of the two rolling tools to one another before using the Workpiece machining is started.
  • the rolling tools 3 and 4 are first aligned.
  • the marking 12 is firmly attached to any diameter line of the rolling tool 3 with a center distance predetermined by the arrangement of the position indicator 17 and - if necessary after an axial adjustment of the position 12 corresponding to the axial projection of the position indicator 17, the rolling tool 3 in the direction of the arrow 20 rotated until the position indicator 17 responds and gives a signal as a result of the approach of the marker 12. Possibly. this signal can be used to interrupt the rotary drive of the spindle 1.
  • a master workpiece corresponding to the finished workpiece 10 is now placed on the support ruler 9 and, if necessary, brought into full profile engagement with the profile projections 5 on the rolling tool 3 with a slight rotation, as illustrated in FIG. 1.
  • the horizontally adjustable machine spindle 2 is brought up to the master workpiece (10) with the rolling tool 4 fastened on it in axial alignment with the rolling tool 3 and rotated to a greater or lesser extent upon contact until a full profile engagement or thread engagement between the Master workpiece (10) and the profile projections 6 of the rolling tool 4 is present.
  • the rolling tools 3 and 4 are aligned with one another in the correct manner.
  • the mark 13 is attached to the rolling tool 4, in an angular position, which is predetermined by the position indicator 18 so that it corresponds to the approach position in the direction of arrow 21, in which the position indicator 18 responds to the mark 13.
  • the initial alignment is reproducibly recorded.
  • a cylindrical rolling tool 23 arranged on the machine spindle 22 and a rolling tool 24 in the form of a hollow cylinder segment are provided, which are provided with profile projections 25 and 26, respectively.
  • a common tool axis 27 for both tools 23 and 24.
  • the double arrow 29 merely illustrates the angular adjustability of the tool 24 for aligning the tool 24 with the tool 23 or the respective profile projections 25 and 26 with one another.
  • the workpiece 30 runs through the tool gap from top to bottom. In a known manner, this tool gap has a conically tapering inlet section and a conically widening outlet section due to the corresponding shaping of the rolling tool 24.
  • the width of the tool gap is adjustable, so that the tools can be aligned using a master workpiece (30) by essentially radially bringing the tools together and adjusting the angle of the tool 24 in one or the other direction of the double arrow 29 .
  • This initial alignment is reproducibly recorded in a manner corresponding to the explanations for FIGS. 1 and 2, for which purpose a marking 32 is glued to the rolling tool 23 and a marking 33 is glued to the rolling tool 24.
  • the two markings 32 and 33 are in turn assigned position indicators arranged on the corresponding diameter, which are not shown in the drawing. These two position indicators can be arranged on a straight line running through the tool axis 27, so that the markings 32 and 33 lie radially opposite one another in the aligned tool position.
  • FIGS. 4 and 5 illustrate that the principle of the reproducibility of an alignment position between two rolling tools by means of tool markings and associated position indicators can also be used for thread rolling by means of two flat tools 43 and 44 with profile projections 45 and 46, respectively.
  • the tools 43 and 44 are arranged parallel to one another at a gap distance, with either one tool being stationary during the thread rolling and the other tool being driven in the longitudinal direction with a reciprocating movement, so that the clamped between the two tools 43 and 44 Workpiece 50 moves with it, or both tools are driven in opposite directions, so that the workpiece 50 rolls on the tools without lateral displacement.
  • the double arrow 49 shown in the tool 44 indicates the alignment of the tool 44 with respect to the tool 43 to be carried out before the thread rolling in order to bring the profile projections 45 and 46, which also run helically with an incline in this exemplary embodiment, into the mutual setting required for the thread rolling.
  • each tool is also provided with a glued-on marking 52 or 53.
  • Each of the two marks 52 and 53 is in turn assigned its own position indicator, the fixed position indicators being arranged vertically one above the other, so that in FIG. 5 only the upper one Position indicator 58 can be seen, which is supported by a holder 56 on a housing wall 54 and is provided with a signal line 59.
  • the tools 43 and 44 are first aligned, the markings 52 and 53 are attached, and the later or renewed alignment by means of the markings and the position indicators in the manner already described without deviating special features.
  • Fig. 6 corresponds essentially to Fig. 4 and only makes it clear that the flat tools instead of the helical thread projections 45 and 46 can also have pitch-free profile projections 65 and 66 if a workpiece 60 is to be produced with a serration, as in Fig. 6 is shown.
  • the tooth-like profile projections 65 and 66 must be aligned with one another, as the double arrow 69 shows.
  • the profile projections 66 have to be set to the middle between adjacent profile projections 65.
  • the markings 62 and 63 which are glued to the two flat tools, again serve this purpose.
  • the rolling tools can be provided with an adjustable and lockable marking carrier, as illustrated in FIGS. 7 to 9.
  • the cylindrical rolling tool 70 according to FIGS. 7 and 8 has a dovetail groove 71 which extends over an angular range in the circumferential direction, one end of which is widened to an insertion opening 72 by removing the overlap.
  • a marking carrier 73 which has a cross section of the groove 71, is inserted into the groove and has a threaded bore 74 and carries a mark 75 which projects axially to a small extent over the end face of the rolling tool 70.
  • a grub screw 76 is screwed into the threaded bore 74.
  • the marker carrier is thereby fixed in its current position in the dovetail groove.
  • the marking carrier 73 which extends in the circumferential direction like the groove 71, can be adjusted within the groove 71.
  • the mark 75 can be easily brought into the required or desired position.
  • FIG. 9 shows a flat tool 80 which has a straight dovetail groove 81 running over its entire length.
  • a marker carrier 83 with a marker 85 is arranged in this in the manner shown in FIG. 8, the marker carrier 83 in turn being able to be locked within the dovetail groove 81 by means of a grub screw 86.
EP88110039A 1987-06-23 1988-06-23 Méthode et dispositif d'alignement réciproque de galets de formage Withdrawn EP0296594A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3720661 1987-06-23
DE19873720661 DE3720661A1 (de) 1987-06-23 1987-06-23 Verfahren zum gegenseitigen ausrichten von wenigstens zwei rollwerkzeugen sowie dazu vorgesehene vorrichtung und zugehoeriges rollwerkzeug

Publications (2)

Publication Number Publication Date
EP0296594A2 true EP0296594A2 (fr) 1988-12-28
EP0296594A3 EP0296594A3 (fr) 1990-07-04

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EP88110039A Withdrawn EP0296594A3 (fr) 1987-06-23 1988-06-23 Méthode et dispositif d'alignement réciproque de galets de formage

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EP (1) EP0296594A3 (fr)
DE (1) DE3720661A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011681B4 (de) * 2000-03-10 2008-02-07 Profiroll Technologies Gmbh Verfahren und Profilwalzmaschine zum Einstellen der Steigungs-Referenz zwischen den Profilwalzen einer Profilwalzmaschine
FR2941507A1 (fr) * 2009-01-29 2010-07-30 Lisi Aerospace Filetage a distribution de contraintes
US8156779B2 (en) * 2006-11-22 2012-04-17 Ngk Spark Plug Co., Ltd. Apparatus and method of producing spark plug
ITUB20151836A1 (it) * 2015-07-02 2017-01-02 Mico S R L Macchina rullatrice per formare filettature su corpi cilindrici e procedimento per fasare tra loro rulli formatori di una macchina rullatrice
DE102017113382B3 (de) 2017-06-19 2018-10-18 Ffg Werke Gmbh Gewindewalzverfahren und Gewindewalzvorrichtung zur Herstellung eines Gewindes
DE102017116895A1 (de) 2017-07-26 2019-01-31 Mag Ias Gmbh Verfahren und Vorrichtung zur Herstellung einer Verzahnung an einem zylindrischen Werkstück
EP3523066A4 (fr) * 2016-10-07 2020-06-24 Reed Machinery, Inc. Système d'adaptation d'outil cylindrique
CN112191781A (zh) * 2020-09-21 2021-01-08 宜昌船舶柴油机有限公司 一种螺纹穿滚轧制前的设备快速调整工装及方法
CN116661375A (zh) * 2023-08-02 2023-08-29 济南森峰激光科技股份有限公司 数控轧辊车床研车测试方法、系统、终端及存储介质

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020101053B4 (de) 2020-01-17 2022-04-21 Schmidt u. Bender GmbH & Co. KG Optische Geräte Stellvorrichtung mit verstellbarem Indikatorelement und Zielfernrohr hiermit

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE729607C (de) * 1941-03-07 1942-12-18 Ernst R Hollandt Vorrichtung zur Mitteneinstellung von Rundwalzen an Gewindewalzmaschinen mit angetriebenen Walzen
GB581249A (en) * 1944-07-15 1946-10-07 Harold Morris Improvements in or relating to dies for rolling screw threads, serrations and the like
US2698413A (en) * 1954-02-17 1954-12-28 Jones & Lamson Mach Co Motor control system for positioning devices
DE924103C (de) * 1952-04-13 1955-03-21 Pee Wee Maschinen Und Appbau I Verfahren und Vorrichtung zum optischen Einstellen von mit Profilen versehenen Werkzeugwalzen, insbesondere an Gewindewalzmaschinen
DE1136972B (de) * 1960-08-02 1962-09-27 Pee Wee Maschinen Und Appbau W Einstellvorrichtung fuer profilierte Werkzeugrollen
SU664729A1 (ru) * 1978-03-10 1979-05-30 Предприятие П/Я Р-6753 Тангенциальна резьбонакатна головка
JPS55128340A (en) * 1979-03-26 1980-10-04 Tanoi Seisakusho:Kk Round die for screw thread rolling
EP0061958A1 (fr) * 1981-03-17 1982-10-06 Escofier Technologie (SAS) Dispositif pour le réglage précis du calage angulaire relatif des arbres entraînant des molettes de formage à froid

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE729607C (de) * 1941-03-07 1942-12-18 Ernst R Hollandt Vorrichtung zur Mitteneinstellung von Rundwalzen an Gewindewalzmaschinen mit angetriebenen Walzen
GB581249A (en) * 1944-07-15 1946-10-07 Harold Morris Improvements in or relating to dies for rolling screw threads, serrations and the like
DE924103C (de) * 1952-04-13 1955-03-21 Pee Wee Maschinen Und Appbau I Verfahren und Vorrichtung zum optischen Einstellen von mit Profilen versehenen Werkzeugwalzen, insbesondere an Gewindewalzmaschinen
US2698413A (en) * 1954-02-17 1954-12-28 Jones & Lamson Mach Co Motor control system for positioning devices
DE1136972B (de) * 1960-08-02 1962-09-27 Pee Wee Maschinen Und Appbau W Einstellvorrichtung fuer profilierte Werkzeugrollen
SU664729A1 (ru) * 1978-03-10 1979-05-30 Предприятие П/Я Р-6753 Тангенциальна резьбонакатна головка
JPS55128340A (en) * 1979-03-26 1980-10-04 Tanoi Seisakusho:Kk Round die for screw thread rolling
EP0061958A1 (fr) * 1981-03-17 1982-10-06 Escofier Technologie (SAS) Dispositif pour le réglage précis du calage angulaire relatif des arbres entraînant des molettes de formage à froid

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Title
PATENT ABSTRACTS OF JAPAN, Band 4, Nr. 179 (M-46)[661], 11. Dezember 1980; & JP-A-55 128 340 (TANOI SEISAKUSHO K.K.) 04-10-1980 *
SOVIET INVENTIONS ILLUSTRATED, Woche C07, 26. März 1980, section general/mechanical, accession Nr. B5305C/07, Derwent Publications Ltd, Londen, GB; & SU-A-664 729 (ZHITNITSKII) 30-05-1979 *

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011681B4 (de) * 2000-03-10 2008-02-07 Profiroll Technologies Gmbh Verfahren und Profilwalzmaschine zum Einstellen der Steigungs-Referenz zwischen den Profilwalzen einer Profilwalzmaschine
US8156779B2 (en) * 2006-11-22 2012-04-17 Ngk Spark Plug Co., Ltd. Apparatus and method of producing spark plug
FR2941507A1 (fr) * 2009-01-29 2010-07-30 Lisi Aerospace Filetage a distribution de contraintes
WO2010086538A1 (fr) * 2009-01-29 2010-08-05 Lisi Aerospace Vis ou ecrou presentant un filetage dont un pas varie et outils pour realiser une telle vis ou un tel ecrou
US9352382B2 (en) 2009-01-29 2016-05-31 Lisi Aerospace Screw or nut with a thread a pitch of which varies and tool to produce said screw or nut
EP3112044A1 (fr) * 2015-07-02 2017-01-04 Mico S.r.l. Machine de laminage pour former un filetage sur des corps cylindriques et procédé de mise en phase formant ensemble des rouleaux d'une machine de laminage
ITUB20151836A1 (it) * 2015-07-02 2017-01-02 Mico S R L Macchina rullatrice per formare filettature su corpi cilindrici e procedimento per fasare tra loro rulli formatori di una macchina rullatrice
EP3523066A4 (fr) * 2016-10-07 2020-06-24 Reed Machinery, Inc. Système d'adaptation d'outil cylindrique
US11130166B2 (en) * 2016-10-07 2021-09-28 Reed Machinery, Inc. Cylindrical tool matching system
DE102017113382B3 (de) 2017-06-19 2018-10-18 Ffg Werke Gmbh Gewindewalzverfahren und Gewindewalzvorrichtung zur Herstellung eines Gewindes
DE102017116895A1 (de) 2017-07-26 2019-01-31 Mag Ias Gmbh Verfahren und Vorrichtung zur Herstellung einer Verzahnung an einem zylindrischen Werkstück
WO2019020619A1 (fr) 2017-07-26 2019-01-31 Mag Ias Gmbh Procédé et dispositif pour la fabrication d'une denture sur une pièce cylindrique
CN112191781A (zh) * 2020-09-21 2021-01-08 宜昌船舶柴油机有限公司 一种螺纹穿滚轧制前的设备快速调整工装及方法
CN116661375A (zh) * 2023-08-02 2023-08-29 济南森峰激光科技股份有限公司 数控轧辊车床研车测试方法、系统、终端及存储介质

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Publication number Publication date
EP0296594A3 (fr) 1990-07-04
DE3720661A1 (de) 1989-01-05

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