EP1510288A1 - Verfahren zum Schleifen der Messer einer Rotationsschneidemaschine sowie Rotationsschneider zur Durchführung des Verfahrens - Google Patents
Verfahren zum Schleifen der Messer einer Rotationsschneidemaschine sowie Rotationsschneider zur Durchführung des Verfahrens Download PDFInfo
- Publication number
- EP1510288A1 EP1510288A1 EP20030405621 EP03405621A EP1510288A1 EP 1510288 A1 EP1510288 A1 EP 1510288A1 EP 20030405621 EP20030405621 EP 20030405621 EP 03405621 A EP03405621 A EP 03405621A EP 1510288 A1 EP1510288 A1 EP 1510288A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- knife
- blade
- grinding wheel
- grinding
- ground
- 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
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
- B24B3/46—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades
-
- 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
- Y10T83/303—With tool sharpener or smoother
Definitions
- the invention relates to a method for grinding a knife a rotary cutting machine for the printed products manufacturing industry, being a first knife with a first bearing forms a first cutting element and for the Cutting process cooperates with a second knife, the forms a second cutting element with a second bearing.
- Rotary cutting machines are used in particular in printed products manufacturing industry for cutting the open Pages of printed products, such as magazines used.
- the cutting takes place in a continuous process, whereby the printed products usually between two bands in the scale flow be encouraged.
- the rotary cutter has a Upper knife and a lower knife, also called counter knife on. Between these two knives the shingled stream becomes in cut in a known manner.
- the lower knife or counter knife consists of a steel blade carrier on which a ring is made Carbide is glued on.
- the bearings of the two cutter shafts can be off consist of a precision angular contact ball bearing assembly.
- the adjustment of the lower blade via an adjusting spindle with Vernier. When adjusting either a can or a Sled moved on a dovetail lead.
- the object is achieved by the method according to claim 1.
- a knife in particular the bottom knife, replaced by a grinding wheel and with this the not exchanged knife ground.
- the Procedure makes the already existing high precision of Use bearings of the rotary cutting machine for regrinding.
- the knife can thus be ground with very high precision become. This is a tighter cutting gap setting and therefore a better cutting quality even with a reground knife possible.
- the method is particularly suitable for regrinding a Upper knife, which is designed as a segment knife and thus on a carrier has a plurality of blades.
- Such Segment upper blades are always sanded dry. Because the blades are interrupted due to segmentation are and the nachzuschleifende surface is relatively small, finds no critical warming takes place and so it is not necessary to cool during the grinding process.
- a wet regrinding possible. A dry regrinding is but a matter of course much easier, since no coolant supplied must become.
- the grinding wheel over an endless drive member with the to be ground Knife connected.
- the grinding wheel is provided as well as the knife to be ground with a wheel and in particular to provide a pulley.
- the pulleys are designed to that is a suitable translation as well as the optimal Grinding speed results.
- carbide can do so the optimum grinding speed of 20 to 25 m / sec. achieved become.
- As a drive member is particularly suitable flexible flat belt. For safety reasons or as dust protection can be easily attached to a protective cover. With sparks flying is not due to the low delivery rate to count.
- the invention also relates to a rotary cutting machine for the implementation of the procedure.
- the rotary cutting machine shown in Figures 1 and 2 1 has a machine frame 2, in which a cutting element 5 is mounted, which has an upper blade 6.
- the Cutting element 5 has a shaft, not shown here, the powered by a motor 3, which is on the machine frame 2 is attached.
- Under a cover 4 is a here not shown drive member arranged with the motor the shaft of the cutting element 5 connects.
- a mounting plate 13 is arranged, with the rotary cutting machine 1 in a suitable Position next to a shingled stream or a transport device be arranged for such a scale flow can.
- the upper blade 6 is a so-called segment blade and has a disk-shaped carrier 7, on the circumference of a A plurality of blades 8 are clamped hard metal. Such Upper blade 6 are known in the art.
- the cutting element 5 has a in Figure 2 only indicated Bearing 16, which is designed as a precision angular contact ball bearings is.
- Bearing 16 which is designed as a precision angular contact ball bearings is.
- the axis A1 of this bearing is the 16th specified.
- a pulley 9 is constructed, which is coaxial is arranged to the axis A1.
- a drive belt 10 placed around another pulley 11th a grinding wheel 12 is placed.
- This grinding wheel 12 is placed on a receptacle 28 on which usually according to Figure 3, the lower blade 20 of another Cutting element 29 is seated.
- This recording 28 is with a not shown here shaft connected in a in Figure 4 merely indicated bearing 17 is mounted.
- the axis A2 this wave is parallel to the axis A1.
- the receptacle 28 is on a provided with a vernier knob 18 a delivery device 19 adjustable in the directions of the axis A2.
- the Adjustment takes place in a conventional manner, in particular via an adjusting spindle.
- a box or a sled moved on a dovetail guide. It is thus a very precise along the axis A2 Delivery of the grinding wheel 12 possible.
- the grinding wheel 12 has according to Figure 2 a flat inside 15, which in an upper area to a lower Area of an inner side 14 of the upper blade 6 can be applied. If the upper blade 6 is rotated by the motor 3 about the axis A1, Thus, the grinding wheel 12 rotates simultaneously about the axis A2, because the drive belt 10, the upper blade 6 with the grinding wheel 12 connects. Since now the pulley 11 a essential smaller diameter than the pulley 9, the rotates Grinding wheel 12 much faster than the upper blade. 6
- the gear ratio is chosen so that an optimal Grinding speed results in the blades 8 off Carbide in the range of 20 to 25 m / sec. lies.
- the lower blade 20 removed and thus removed from the receptacle 28. Now it will the grinding wheel 12 placed on the receptacle 28 and rotatably connected to this. The pulley 11 already sits here on the grinding wheel 12. Now the upper knife 6 is the Pulley 9 attached. About the two pulleys 9 and 11 the drive belt 10 is placed. For security reasons will attached a protective cover, not shown here, which especially the upper blade 6 covers. Now the engine is 3 turned on, so now the upper knife 6 and the grinding wheel 12 are driven. Due to the above translation corresponds to the relative rotational speed of the optimal Grinding speed.
- the grinding wheel 12 is now delivered until the inside 15 of the grinding wheel 12 on surfaces of the blades 8 is present.
- the regrinding time depends on how strong the Blades 8 are worn out.
- the grinding wheel is used for each grinding process 12, for example, adjusted by about 1/100 mm and then it is ground for about one minute. This The process is repeated until the blades 8 the required quality. After the last delivery For example, it has to be ground for 10 minutes.
- the said regrinding can be done dry, as the blades due to the segmentation are interrupted and no critical warming is taking place. Is the upper knife 6 no such segment knife, so is basically a wet Regrinding with suitable coolant possible.
- the regrinding is done with high precision, because of the high precision of the bearings of the cutting elements with the clearance-free adjustment also for regrinding is being used.
- the kerf can thus also after the Regrinding can be set optimally small, resulting in excellent Cutting results are possible.
- the method is also applicable for grinding the lower blade 20.
- the upper blade 6 against the in the figures 3 and 4 replaced grinding wheel 21.
- At the Regrinding is in accordance with the grinding wheel 21 directly driven by the engine 3.
- On the lower blade 20 is a pulley 23 attached to the drive belt 10 with the Pulley 22 is connected.
- the translation chosen so that there is an optimal cutting speed results.
- the nachzuschleifende lower blade 20 is from a carrier 26, glued to the ring 27 made of hard metal is.
- This ring 27 has according to Figure 4 an inside 25, at the regrinding a flat inside 24 of the Grinding wheel 21 is applied.
- For regrinding is the Lower blade 20 delivered by turning the knob 18. Out
- the above reasons are also very precise here Grinding process possible, the excellent cutting results allows.
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)
Abstract
Description
Beim Nachschleifen des Obermessers gemäss dem erfindungsgemässen Verfahren konnte nach dem Nachschleifen kein Planlauffehler gemessen werden. Dies ermöglicht es, den Schnittspalt mit einem erfindungsgemäss geschliffenen Messer um 0,01 mm enger einzustellen, was einer Verringerung von 30% entspricht. Die Wirkung war nicht vorhersehbar und ist somit überraschend.
- Fig. 1
- schematisch eine räumliche Ansicht einer erfindungsgemässen Rotationsschneidemaschine, wobei das Untermesser gegen eine Schleifscheibe ausgetauscht ist,
- Fig. 2
- eine weitere Ansicht der Rotationsschneidemaschine gemäss Figur 1,
- Fig. 3
- eine räumliche Ansicht einer erfindungsgemässen Rotationsschneidemaschine, wobei das Obermesser durch eine Schleifscheibe ausgetauscht ist und
- Fig. 4
- eine weitere Ansicht der Rotationsschneidemaschine gemäss Figur 3.
Claims (10)
- Verfahren zum Schleifen eines Messers (6, 20) einer Rotationsschneidemaschine (1) für die Druckprodukte verarbeitende Industrie, wobei ein erstes Messer (6) mit einem ersten Lager (16) ein,erstes Schneidelement (5) bildet und für den Schneidvorgang mit einem zweiten Messer (20) zusammenarbeitet, das mit einem zweiten Lager (17) ein zweites Schneidelement (29) bildet, dadurch gekennzeichnet, dass zum Schleifen des einen Messers (6, 20) das andere Messer (20, 6) ausgebaut und durch eine Schleifscheibe (12, 21) ersetzt und die Schleifscheibe (12, 21) oder das zu schleifende Messer (20) für den Schleifvorgang zugestellt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Schleifscheibe (12, 21) und das zu schleifende Messer (6, 20) einzeln angetrieben oder ein Antriebsmittel (9, 11; 22, 23) aufweisen und diese mit einem Antriebsorgan (10) miteinander verbunden sind.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das zweite Lager (17) Mittel zur Schnittspaltverstellung aufweist und dass dieses Mittel für die Zustellung der Schleifscheibe (12) oder des zu schleifenden Messers (20) verwendet wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das erste Messer (6) ein Segmentmesser ist, das mehrere Klingen (8) aufweist, die am Umfang eines Trägers (7) angeordnet sind.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das erste Messer (6) ein Obermesser und das zweite Messer (20) ein Untermesser bzw. ein Gegenmesser ist.
- Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass das Obermesser ein Segmentmesser ist, das trocken nachgeschliffen wird.
- Verfahren nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass zum Nachschleifen des Obermessers (6) das Untermesser (20) gegen eine Schleifscheibe (12) ausgetauscht wird und dass für den Schleifvorgang die Schleifscheibe (12) oder das zu schleifende Messer (20) zugestellt wird.
- Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die Zustellung mittels eines Nonius erfolgt.
- Rotationsschneidemaschine für die Durchführung des Verfahrens gemäss Anspruch 1, dadurch gekennzeichnet, dass wenigstens eine Schleifscheibe (12, 21) vorgesehen ist, die nach dem Ausbau des ersten bzw. zweiten Messers (6, 20) auf die Aufnahme (28) des entsprechenden Messers (6, 20) aufbaubar ist und die eine Schleiffläche (15, 24) aufweist, an die zu schleifende Seite (14, 25) des nachzuschleifenden Messers (6, 20) anlegbar bzw. zustellbar ist.
- Rotationsschneidemaschine nach Anspruch 9, dadurch gekennzeichnet, dass an der Schleifscheibe (12, 21) ein Antriebselement (11, 23), insbesondere ein Riemenrad, befestigt ist und dass ein zweites Antriebselement (9, 23) vorgesehen ist, das an das zu schleifende Messer (6, 20) anzubauen ist und dass ein Antriebsorgan (10), insbesondere ein Antriebsriemen, vorgesehen ist, der die Schleifscheibe (12, 21) mit dem nachzuschleifenden Messer (6, 20) verbindet.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50306512T DE50306512D1 (de) | 2003-08-28 | 2003-08-28 | Verfahren zum Schleifen der Messer einer Rotationsschneidemaschine sowie Rotationsschneider zur Durchführung des Verfahrens |
EP20030405621 EP1510288B1 (de) | 2003-08-28 | 2003-08-28 | Verfahren zum Schleifen der Messer einer Rotationsschneidemaschine sowie Rotationsschneider zur Durchführung des Verfahrens |
JP2004247617A JP4570923B2 (ja) | 2003-08-28 | 2004-08-26 | 回転裁断装置の刃を研磨する方法ならびにこの方法を実施するための回転裁断装置 |
US10/927,187 US7083503B2 (en) | 2003-08-28 | 2004-08-27 | Method for sharpening the knife of a rotary trimmer and a rotary trimmer for realizing the method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20030405621 EP1510288B1 (de) | 2003-08-28 | 2003-08-28 | Verfahren zum Schleifen der Messer einer Rotationsschneidemaschine sowie Rotationsschneider zur Durchführung des Verfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1510288A1 true EP1510288A1 (de) | 2005-03-02 |
EP1510288B1 EP1510288B1 (de) | 2007-02-14 |
Family
ID=34089787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030405621 Expired - Lifetime EP1510288B1 (de) | 2003-08-28 | 2003-08-28 | Verfahren zum Schleifen der Messer einer Rotationsschneidemaschine sowie Rotationsschneider zur Durchführung des Verfahrens |
Country Status (4)
Country | Link |
---|---|
US (1) | US7083503B2 (de) |
EP (1) | EP1510288B1 (de) |
JP (1) | JP4570923B2 (de) |
DE (1) | DE50306512D1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7578222B2 (en) | 2004-09-20 | 2009-08-25 | Mueller Martini Holding Ag | Rotary cutter |
US8011280B2 (en) | 2007-02-02 | 2011-09-06 | Mueller Martini Holding Ag | Rotary cutter for trimming printed products conveyed in an overlapping flow |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009129157A1 (en) * | 2008-04-15 | 2009-10-22 | Premark Feg L.L.C. | Food product slicer with timed sharpening operation |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0450338A1 (de) * | 1990-04-02 | 1991-10-09 | Grapha-Holding Ag | Verfahren zum seitlichen Beschneiden von aus Papierbogen bestehenden Druckprodukten |
WO2000069596A1 (en) * | 1999-05-12 | 2000-11-23 | Julia Utensili S.R.L. | Sharpening device for disk blades |
DE10135177A1 (de) * | 2001-07-19 | 2003-02-06 | Werner Schaefer | Kreismesser mit Diamant- bzw. Bornitrideinlage für Längsschneideeinrichtungen |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS516385B1 (de) * | 1968-12-05 | 1976-02-27 | ||
JPS508184A (de) * | 1973-05-28 | 1975-01-28 | ||
JPH03160462A (ja) * | 1989-11-17 | 1991-07-10 | Mita Ind Co Ltd | マゼンタ感光性トナー |
JP2888617B2 (ja) * | 1990-08-07 | 1999-05-10 | ユジナージュ モンタージュ エ アシスタンス テクニーク ユー エム ア テ | 回転切断装置 |
US5709255A (en) * | 1996-10-18 | 1998-01-20 | Key Knife, Inc. | Chipper with detachable facing knives |
US6748836B2 (en) * | 1998-01-15 | 2004-06-15 | Gerber Technology, Inc. | Dual sharpener apparatus for maintaining the sharpness of the cutting edge on blades used to cut sheet-type work materials |
US5941148A (en) * | 1998-01-16 | 1999-08-24 | Tidland Corporation | Automatic slitter blade sharpener |
US6692424B2 (en) * | 2001-08-01 | 2004-02-17 | Gammerler Corporation | Rotary trimmer apparatus and method |
US6616515B2 (en) * | 2001-09-17 | 2003-09-09 | David L. Dwyer | Universal jointing attachment for inserted tooth carbide heads |
US6752052B2 (en) * | 2001-10-30 | 2004-06-22 | Delaware Capital Formation, Inc. | Cutter assembly |
US6634257B2 (en) * | 2002-01-15 | 2003-10-21 | John W. Long | Sharpening method and apparatus for rotary knives |
-
2003
- 2003-08-28 DE DE50306512T patent/DE50306512D1/de not_active Expired - Lifetime
- 2003-08-28 EP EP20030405621 patent/EP1510288B1/de not_active Expired - Lifetime
-
2004
- 2004-08-26 JP JP2004247617A patent/JP4570923B2/ja not_active Expired - Fee Related
- 2004-08-27 US US10/927,187 patent/US7083503B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0450338A1 (de) * | 1990-04-02 | 1991-10-09 | Grapha-Holding Ag | Verfahren zum seitlichen Beschneiden von aus Papierbogen bestehenden Druckprodukten |
WO2000069596A1 (en) * | 1999-05-12 | 2000-11-23 | Julia Utensili S.R.L. | Sharpening device for disk blades |
DE10135177A1 (de) * | 2001-07-19 | 2003-02-06 | Werner Schaefer | Kreismesser mit Diamant- bzw. Bornitrideinlage für Längsschneideeinrichtungen |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7578222B2 (en) | 2004-09-20 | 2009-08-25 | Mueller Martini Holding Ag | Rotary cutter |
US8011280B2 (en) | 2007-02-02 | 2011-09-06 | Mueller Martini Holding Ag | Rotary cutter for trimming printed products conveyed in an overlapping flow |
Also Published As
Publication number | Publication date |
---|---|
US20050048878A1 (en) | 2005-03-03 |
US7083503B2 (en) | 2006-08-01 |
JP2005074624A (ja) | 2005-03-24 |
DE50306512D1 (de) | 2007-03-29 |
EP1510288B1 (de) | 2007-02-14 |
JP4570923B2 (ja) | 2010-10-27 |
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