EP2471391A2 - Dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac et procédé de réglage de la position d'un support de meule d'un dispositif de ponçage dans un dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac - Google Patents

Dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac et procédé de réglage de la position d'un support de meule d'un dispositif de ponçage dans un dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac Download PDF

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Publication number
EP2471391A2
EP2471391A2 EP11195526A EP11195526A EP2471391A2 EP 2471391 A2 EP2471391 A2 EP 2471391A2 EP 11195526 A EP11195526 A EP 11195526A EP 11195526 A EP11195526 A EP 11195526A EP 2471391 A2 EP2471391 A2 EP 2471391A2
Authority
EP
European Patent Office
Prior art keywords
grinding wheel
wheel holder
cutting device
grinding
adjusting
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
EP11195526A
Other languages
German (de)
English (en)
Other versions
EP2471391B1 (fr
EP2471391A3 (fr
Inventor
Michael Lüneburg
Torsten Baustian
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.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau 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 Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP2471391A2 publication Critical patent/EP2471391A2/fr
Publication of EP2471391A3 publication Critical patent/EP2471391A3/fr
Application granted granted Critical
Publication of EP2471391B1 publication Critical patent/EP2471391B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/368—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades installed as an accessory on another machine
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/28—Cutting-off the tobacco rod
    • A24C5/30—Machines combined with devices for grinding the knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/363—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of blades mounted on a turning drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/58—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is mounted on a movable arm or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/12—Means for treating work or cutting member to facilitate cutting by sharpening the cutting member

Definitions

  • the invention relates to a cutting device for a strand machine of the tobacco-processing industry, comprising a knife carrier with at least one knife holder, in each of which a radially adjustable knife is arranged, wherein the knife carrier mounted in a housing drive shaft and a drive for rotationally driving the knife carrier associated with an axis of rotation A, an adjusting device for adjusting the blade carrier to different formats, such that the angle ⁇ formed between the axis of rotation A of the drive shaft and the or each strand to be cut is changeable, and a device for grinding the or each blade during the operation of the cutting device, wherein the device for grinding has a grinding wheel holder with at least one grinding wheel and the grinding wheel holder is fixedly arranged in the region of the knife carrier that the or each knife through the Rotation of the knife carrier comes into contact with the or each grinding wheel.
  • the invention further relates to a method for adjusting the position of a grinding wheel holder of a device for grinding in a cutting device for a tobacco processing machine according to any one of claims 1 to 8, comprising the steps of: releasing the grinding wheel holder, adjusting the grinding wheel holder about the axis of rotation A. the drive shaft in the desired position, and fixing the grinding wheel holder.
  • Such cutters and methods are used in the tobacco processing industry to supply strands of, for example, tobacco, tobacco blends, filter material and other materials or combinations of materials common in the tobacco processing industry, individual rod shaped articles, namely tobacco sticks, filter rods, etc. to cut.
  • the rod-shaped articles are separated from a knife arranged on a knife carrier, which describes a running circle by the rotation of the knife carrier, when the knife strikes the thread to be cut substantially perpendicularly.
  • the knife is arranged in the radial direction adjustable in a knife holder, which in turn is adjustable, namely in particular rotatably arranged on or in the knife carrier.
  • the knife carrier itself is arranged with its drive shaft inclined to a strand (in a single-strand machine) or to the strands (in a multi-strand machine).
  • the axis of rotation A of the drive shaft is at an angle ⁇ to the or each strand.
  • strands or rod-shaped articles are processed, for example, with different diameters and / or different lengths, the so-called formats.
  • the adaptation to the different geometric relationships of the strands / articles is therefore also called format change.
  • the strand usually runs at a constant speed through the stranding machine. During cutting, the speeds of the strand on the one hand and the blade on the other hand must correspond. In other words, when cutting with the strand, the blade must move at the same speed to produce an optimal cut. At the time of cutting, the speed of the knife thus corresponds to the strand speed.
  • the rotational speed of the knife carrier is changed, which affects the knife speed.
  • the angle ⁇ must be readjusted accordingly.
  • a format change so the position of the knife carrier is changed to the or each strand.
  • the angle ⁇ is changed for a format change.
  • the knife holder itself is adjusted by the knife holder is rotated in the knife carrier until a Position is reached, in which the blade has reached at a different angle ⁇ with respect to the strand substantially vertical alignment.
  • the cutting device is usually associated with a grinding device.
  • a grinding device has a grinding wheel holder with at least one grinding wheel.
  • the grinding wheel holder is assigned to the knife carrier in such a way that grinding wheels arranged on cantilever arms of the grinding wheel holder protrude into the running circle of the knives. Due to the shape of the grinding wheel holder with the grinding wheels arranged on the cantilevers one speaks also of a grinding antler.
  • the grinding wheel holder itself is connected, for example via the housing, with the knife carrier, so that an adjustment of the knife carrier, ie a change in the angle ⁇ , inevitably leads to a corresponding adjustment of the grinding wheel holder.
  • the grinding wheel holder is stationary relative to the knife carrier, so does not rotate with the knife carrier.
  • the knife carrier is adjusted even in the inclination with respect to the angle ⁇ , which leads to the fact that the position of the grinding wheel holder changes accordingly.
  • the grinding wheel holder and thus of the or each grinding wheel also the grinding pattern changes.
  • the blade height is changed by the changed grinding pattern.
  • it requires an adjustment of the grinding wheel holder relative to the blade carrier, namely about the axis of rotation A of the drive shaft.
  • the invention is therefore an object of the invention to provide a cutting device which is optimized with respect to the adjustment of the grinding wheel positioning. Furthermore, the object is to propose an improved method for adjusting the position of the grinding wheel holder.
  • a cutting device of the type mentioned above in that the grinding wheel holder is associated with an adjusting device for automatically adjusting the position of the grinding wheel holder relative to the blade carrier.
  • the adjustment can be performed automatically and independently by an operator.
  • the inventive construction allows the automatic readjustment or rotation of the grinding wheel holder to the drive shaft of the knife carrier to restore the optimum grinding position in a format change, which is caused by a change in the angle ⁇ .
  • the automatic adjustment can also serve to deliberately create different grinding patterns or grinding heights on the or each knife.
  • An expedient embodiment of the invention is characterized in that the grinding wheel holder is rotatably mounted on the housing and the adjusting device comprises a drive and an actuator connecting the drive with the grinding wheel holder for adjusting the grinding wheel holder about the axis of rotation A.
  • the adjusting device comprises a drive and an actuator connecting the drive with the grinding wheel holder for adjusting the grinding wheel holder about the axis of rotation A.
  • the device for grinding is associated with a clamping device for locking and releasing the grinding wheel holder.
  • This design enables fast and reliable locking and releasing, which simplifies automation.
  • a particularly preferred embodiment is characterized in that the clamping device comprises a brake disc and at least one clamping cylinder.
  • the clamping device comprises a brake disc and at least one clamping cylinder.
  • the cutting device is associated with a control and / or regulating system for controlling and / or regulating the position of the grinding wheel holder with respect to the blade carrier.
  • This supports automation in a particularly simple manner. The control / adjustment of the grinding wheel holder to the optimum position is thus ensured quickly and accurately.
  • control and / or regulation system is connected to a database in which a previously determined grinding wheel position is stored for each cutting format.
  • the grinding wheel holder stop means are assigned as a reference mark for the drive for adjusting the grinding wheel holder.
  • the cutting device comprises a measuring means which is designed and arranged for determining the position of the grinding wheel holder with respect to the knife carrier.
  • This embodiment ensures an adjustment of the grinding wheel holder independent of predetermined grinding positions.
  • the respectively suitable and optimal grinding position for each format can be determined directly and used to control the drive for adjusting the position of the grinding wheel holder relative to the knife carrier.
  • the object is also achieved by a method with the steps mentioned above in that the loosening, adjustment and fixing of the grinding wheel holder is performed automatically by an adjusting device.
  • the resulting benefits have been set forth in detail by the cutter, so reference is made to avoid repetition on the corresponding passages.
  • the cutting device shown in the figures is used for cutting strands of the tobacco processing industry, e.g. for cutting tobacco strands or filter strands.
  • the cutter shown is usually part of a rod making machine of the tobacco processing industry, but may e.g. also be used as an exchange component or as a single module.
  • the in the FIG. 1 schematically illustrated cutting device 10 comprises a knife carrier 11 with at least one knife holder 12.
  • a knife carrier 11 In the or each blade holder 12 is a respective adjustable blade 13 in the radial direction is arranged.
  • the knife carrier 11 is associated with a drive shaft 14 and a drive 15 for rotationally driving the knife carrier 11 about an axis of rotation A.
  • the drive shaft 14 is mounted correspondingly in a housing 16 of the cutting device 10.
  • the cutting device 10 comprises a not explicitly shown adjusting device for adjusting the knife carrier 11 to different formats. By means of the adjusting device, an angle ⁇ formed between the axis of rotation A and the or each strand 17 to be cut is variable.
  • the cutting device 10 has a device 18 for grinding, wherein the device 18 comprises a grinding wheel holder 19 with at least one grinding wheel 20.
  • the grinding wheel holder 19 is stationarily arranged in the area of the knife carrier 11 such that the or each knife 13 comes into contact with the or each grinding wheel 20 by the rotation of the knife carrier 11.
  • the knife carrier 11 has two knife holders 12, each with a radially adjustable blade 13.
  • the knife holders 12 are preferably evenly distributed over the circumference and lie on opposite sides of the knife carrier 11.
  • the knife holder 12 are rotatably mounted in the knife carrier 11 to change the position of the knife 13 to the strand 17 or can adjust.
  • the number and position of the knife holder 12 can of course vary.
  • the grinding wheel holder 19 can be assigned as a separate unit to the knife carrier 11 or e.g. be connected to the housing 16 of the drive shaft 14. There are different variants for the arrangement and fastening of the grinding wheel holder 19, as long as the grinding wheels 20 are in the operating mode in the running circle formed by the rotating blades 13.
  • the grinding wheel holder 19 is associated with an adjusting device 21 for automatically adjusting the position of the grinding wheel holder 20 relative to the knife carrier 11.
  • the cutting device 10 comprises an automatically actuatable adjusting mechanism, with which the grinding wheel holder 19 is adjustable about the axis of rotation A of the knife carrier 11, so that the position of the Grinding wheels 20 to the blades to be ground 13 to a changed angular position of the angle ⁇ is automatically adjustable.
  • the adjusting device 21 is thus designed and arranged to adjust the grinding wheels 20 about the axis of rotation A in the circumferential direction of the knife carrier 11.
  • the grinding wheel holder 19 is, as mentioned, arranged in the area of the knife carrier 11, so that the grinding wheels 20 come into contact with the latter during circulation of the knives 13 in order to achieve a desired grinding pattern.
  • it is preferably rotatably mounted on the housing 16, for example, the housing of the drive shaft 14, mounted.
  • the adjusting device 21 comprises a drive 22 and an actuator 23 connecting the drive 22 to the grinding wheel holder 19 for adjusting the grinding wheel holder 19 about the axis of rotation A.
  • a type of coupling connects the drive 22 with the grinding wheel holder 19.
  • the adjustment of the grinding wheel holder 19 is however, only guaranteed if the grinding wheel holder 19 is freely rotatable about the knife carrier 11.
  • the device 18 is optionally associated with a clamping device 24 for locking and releasing the grinding wheel holder 19 for grinding.
  • the clamping device 24 is also automatically actuated or triggered and comprises at least one brake disk 25 and at least one clamping cylinder 26.
  • two or more and more preferably three clamping cylinder 26 are provided to improve or increase the frictional connection, which are distributed uniformly over the circumference .
  • the tensioning device 24 may also comprise a servomotor.
  • the locking effect is then achieved, for example, by a permanent energization of the servomotor.
  • the servo motor can also be assigned a gear.
  • the braking effect and thus the locking can be achieved via a corresponding gear ratio.
  • the cutting device 10 may be associated with a control and / or regulating system for selectively controlling and / or regulating the position of the grinding wheel holder 19 with respect to the knife carrier 11.
  • the control and / or regulating system is connected to a database in which a previously empirically, computationally or otherwise determined grinding wheel position is stored for each cutting format.
  • the corresponding position of the grinding wheel holder 19 is inevitably known with an adjustment of the angle ⁇ .
  • Each component e.g. the adjusting device for the knife carrier 11 or the adjusting device 21 for the grinding wheel holder 19, each have its own system.
  • a common, higher-level control and / or regulating system is provided by means of which the information relating to the adjustment of the knife carrier 11, ie the change in the angle ⁇ , processed and used for automatic adjustment of the grinding wheel holder 19.
  • the cutting device 10 may also include a measuring means, which is designed and arranged for determining the position of the grinding wheel holder 19 with respect to the knife carrier 11. Regardless of whether the cutting device 10 has measuring means for determining the position of the grinding wheel holder 19 or the adjustment takes place with the aid of a control and / or regulating system, the grinding wheel holder 19 can be associated with stop means as a reference mark for the drive 22 for adjusting the grinding wheel holder 19. By means of the stop means, a "zero position" can be defined for the grinding wheel holder 19 in order to determine or set the respectively optimum position for the grinding wheel holder 19.
  • the loosening and fixing of the grinding wheel holder 19 is preferably carried out by first releasing a grinding wheel holder 19 fixing brake disk 25 to then adjust the new position by the drive 22 and the drive 22 with the grinding wheel holder 19 connecting actuator 23 before the Brake disc 22 after reaching the desired position for fixing the grinding wheel holder 19 by means of clamping cylinders 26 is stretched again.
  • Other clamping and releasing mechanisms are also used.
  • the servomotor is called, which locks the grinding wheel holder 19 with permanent energization and correspondingly triggers with reduced or missing energization.
  • the locking and releasing of the grinding wheel holder 19 can also be achieved via a transmission associated with the servo motor by means of a suitable gear ratio.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Manufacture Of Tobacco Products (AREA)
EP11195526.6A 2010-12-28 2011-12-23 Dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac et procédé de réglage de la position d'un support de meule d'un dispositif pour affûtage dans un dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac Active EP2471391B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010056606A DE102010056606A1 (de) 2010-12-28 2010-12-28 Schneideinrichtung für eine Strangmaschine der Tabak verarbeitenden Industrie und Verfahren zum Einstellen der Position eines Schleifscheibenhalters einer Vorrichtung zum Schleifen in einer Schneideinrichtung für eine Strangmaschine der Tabak verarbeitenden Industrie

Publications (3)

Publication Number Publication Date
EP2471391A2 true EP2471391A2 (fr) 2012-07-04
EP2471391A3 EP2471391A3 (fr) 2015-01-21
EP2471391B1 EP2471391B1 (fr) 2017-04-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11195526.6A Active EP2471391B1 (fr) 2010-12-28 2011-12-23 Dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac et procédé de réglage de la position d'un support de meule d'un dispositif pour affûtage dans un dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac

Country Status (4)

Country Link
EP (1) EP2471391B1 (fr)
CN (1) CN102524947B (fr)
DE (1) DE102010056606A1 (fr)
PL (1) PL2471391T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9597764B2 (en) 2013-09-09 2017-03-21 Universal Tissue Technology Cutting machine with grinding unit
CN113522442A (zh) * 2021-08-25 2021-10-22 淮北泽兰科技有限责任公司 一种耐火材料加工用破碎系统
CN115431110A (zh) * 2022-11-08 2022-12-06 江苏威泽智能科技股份有限公司 一种刀片磨削机床

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103371434B (zh) * 2012-04-26 2015-02-11 龙岩烟草工业有限责任公司 一种卷烟机磨刀砂轮的安装装置
CN103143993B (zh) * 2013-04-03 2015-01-21 湖南大学 一种可调式高速动态跟随切割刀片刃磨和鐾刀装置
DE102014211459A1 (de) 2014-06-16 2015-12-17 Hauni Maschinenbau Ag Schneideinrichtung zum Schneiden von stabförmigen Produkten der Tabak verarbeitenden Industrie
CN107361401B (zh) * 2016-05-12 2019-02-05 秦皇岛烟草机械有限责任公司 一种切丝机刀及磨刀设备
DE102017116111A1 (de) * 2017-07-18 2019-01-24 Hauni Maschinenbau Gmbh Vorrichtung zum Schneiden stabförmiger Artikel und Maschine mit einer solchen Vorrichtung
CN111890138A (zh) * 2019-05-05 2020-11-06 秦皇岛烟草机械有限责任公司 一种定长切丝机磨刀装置
CN111251082B (zh) * 2020-03-03 2020-10-23 季玲敏 一种分条刀具打磨设备
CN114916697B (zh) * 2022-06-13 2023-06-20 河南中烟工业有限责任公司 一种拆卸可靠的砂轮连接盘及烟草切丝机砂轮座

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Publication number Priority date Publication date Assignee Title
DE652638C (de) * 1933-08-01 1937-11-08 Muller J C & Co Mit Schleifwerkzeugen ausgeruestete Schneidvorrichtung fuer Strangzigarettenmaschinen
EP0163813A1 (fr) * 1984-05-02 1985-12-11 Japan Tobacco Inc. Appareil pour couper un boudin continu pour une machine à fabriquer des cigarettes
DE102007041470A1 (de) * 2007-08-31 2009-03-05 Hauni Maschinenbau Ag Vorrichtung und Verfahren zum Schleifen von Schneidmessern

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DE2016649C3 (de) * 1970-04-08 1979-03-29 Hauni-Werke Koerber & Co Kg, 2050 Hamburg Vorrichtung zum Schleifen von an einem rotierenden, trommelf örmigen Messerträger angeordneten Messern
DE2932629A1 (de) * 1979-08-11 1981-02-26 Hauni Werke Koerber & Co Kg Vorrichtung zum schleifen der messer eines tabakschneiders
IT1236173B (it) * 1989-12-01 1993-01-11 Gd Spa Dispositivo per l'affilatura di lame rotanti.
IT1279717B1 (it) * 1995-12-21 1997-12-16 Gd Spa Dispositivo di taglio per bachi continui di sigaretta
CN201471481U (zh) * 2009-08-03 2010-05-19 浙江中烟工业有限责任公司 一种卷烟水松纸的切割装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE652638C (de) * 1933-08-01 1937-11-08 Muller J C & Co Mit Schleifwerkzeugen ausgeruestete Schneidvorrichtung fuer Strangzigarettenmaschinen
EP0163813A1 (fr) * 1984-05-02 1985-12-11 Japan Tobacco Inc. Appareil pour couper un boudin continu pour une machine à fabriquer des cigarettes
DE102007041470A1 (de) * 2007-08-31 2009-03-05 Hauni Maschinenbau Ag Vorrichtung und Verfahren zum Schleifen von Schneidmessern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9597764B2 (en) 2013-09-09 2017-03-21 Universal Tissue Technology Cutting machine with grinding unit
CN113522442A (zh) * 2021-08-25 2021-10-22 淮北泽兰科技有限责任公司 一种耐火材料加工用破碎系统
CN115431110A (zh) * 2022-11-08 2022-12-06 江苏威泽智能科技股份有限公司 一种刀片磨削机床

Also Published As

Publication number Publication date
EP2471391B1 (fr) 2017-04-12
CN102524947B (zh) 2016-12-21
CN102524947A (zh) 2012-07-04
PL2471391T3 (pl) 2017-09-29
DE102010056606A1 (de) 2012-06-28
EP2471391A3 (fr) 2015-01-21

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