WO2000038894A1 - A process and a device in web cutting - Google Patents
A process and a device in web cutting Download PDFInfo
- Publication number
- WO2000038894A1 WO2000038894A1 PCT/SE1999/002277 SE9902277W WO0038894A1 WO 2000038894 A1 WO2000038894 A1 WO 2000038894A1 SE 9902277 W SE9902277 W SE 9902277W WO 0038894 A1 WO0038894 A1 WO 0038894A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dust
- knives
- cutting
- content
- container
- Prior art date
Links
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
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
- B26D7/2635—Means for adjusting the position of the cutting member for circular cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
-
- 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
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- 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
- B26D7/088—Means for treating work or cutting member to facilitate cutting by cleaning or lubricating
-
- 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
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
Definitions
- the present invention generally refers to a process and a device m cutting webs of material, and more particularly to a process and a device for establishing the point of time for adjusting knives m cutting webs of material, said adjustment being performed to reduce the formation of dust when cutting.
- the present invention solves the above-mentioned problem by means of a process m accordance with the pre- amble to claim 1, said process having the features stated in claim 1.
- the problem is also solved by means of a device in accordance with claim 3.
- dust formed when cutting is collected in a container, after which the dust content in the container is determined.
- the method of determining the dust content in the container is not critical according to the invention, but any particle determining method may be used.
- a particularly preferred determining method is a photometric method. According to this photometric method, light beams from a light source, for instance a laser, are allowed to hit the container which contains dust particles, the light beams being reflected and made to hit a photo-electronic transducer to generate an electric measuring signal. This signal is subsequently fed to, for instance, a comparator or a microprocessor for comparison with a limit value and for further processing, respectively.
- a plurality of pairs of knives 1 are arranged, and in connection with each pair of knives a vacuum tube 2 is arranged, which is intended to suck in dust when cutting.
- the dust passes through a collection line 3 to a dust collection container 5.
- Valves 4 are arranged for starting and stopping, respec- tively, the supply of dust.
- the embodiment shown m the drawing is applicable to a system of cutting stations, the flow of dust being optionally started and stopped depending on the measurements which are to be made.
- measures (not shown) have been taken to remove dust from the container 5 after measuring.
- a photometric measurement of the dust content m the container 5 is performed.
- the dust content m the container 5 can be registered and it is possible to obtain an indication whether the measured content exceeds a standard limit value.
- a suitable indicator is arranged to obtain a signal m a visual or auditory manner.
- an air nozzle is arranged adjacent to the vacuum tube. Pressurised air is supplied by this nozzle to the cutting place to reduce the formation of turbulence and improve the absorption of dust.
- This embodiment is particularly advantageous when cutting webs moving at high speed.
- it is possible to check and indicate individually the formation of dust at each pair of knives. This checking permits controlling and checking of each cutting operation m the process by means of an indication, for instance on a display con- nected to the microprocessor, of the amount of dust produced by each pair of knives . A content exceeding the limit value immediately indicates that the cutting system has to be adjusted.
- By setting the cutting system in a correct manner a minimal acceptable degree of dust formation is obtained. In other words, by establishing the point of time for adjusting the cutting system it is pos- sible to minimise the degree of rejection. This is an important improvement within the field.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99965621A EP1161327A1 (en) | 1998-12-23 | 1999-12-07 | A process and a device in web cutting |
AU21315/00A AU2131500A (en) | 1998-12-23 | 1999-12-07 | A process and a device in web cutting |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9804527A SE518762C2 (en) | 1998-12-23 | 1998-12-23 | Method and apparatus for cutting material webs |
SE9804527-1 | 1998-12-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000038894A1 true WO2000038894A1 (en) | 2000-07-06 |
WO2000038894A8 WO2000038894A8 (en) | 2001-03-08 |
Family
ID=20413844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1999/002277 WO2000038894A1 (en) | 1998-12-23 | 1999-12-07 | A process and a device in web cutting |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1161327A1 (en) |
AU (1) | AU2131500A (en) |
SE (1) | SE518762C2 (en) |
WO (1) | WO2000038894A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002064333A1 (en) * | 2001-02-14 | 2002-08-22 | Koenig & Bauer Aktiengesellschaft | Chip suctioning device for a longitudinal cutting device |
DE102021119691A1 (en) | 2021-07-29 | 2023-02-02 | Voith Patent Gmbh | Dust extraction on the roll cutter |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103846959A (en) * | 2012-12-04 | 2014-06-11 | 包格格 | Equidistance regulator |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5277092A (en) * | 1991-09-18 | 1994-01-11 | Shima Seiki Mfg., Ltd. | Sheet cutting apparatus |
DE4304263C1 (en) * | 1993-02-12 | 1994-04-21 | Siemens Ag | Suction appts for loading-unloading of bulk material in large scale transportation or for domestic and industrial vacuum cleaner - uses fuzzy-logic control and has dust sensor deflecting loading of air with particles and producing signal proportional to loading |
WO1996029966A1 (en) * | 1995-03-27 | 1996-10-03 | The Procter & Gamble Company | Diaper registration control system |
-
1998
- 1998-12-23 SE SE9804527A patent/SE518762C2/en not_active IP Right Cessation
-
1999
- 1999-12-07 WO PCT/SE1999/002277 patent/WO2000038894A1/en not_active Application Discontinuation
- 1999-12-07 AU AU21315/00A patent/AU2131500A/en not_active Abandoned
- 1999-12-07 EP EP99965621A patent/EP1161327A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5277092A (en) * | 1991-09-18 | 1994-01-11 | Shima Seiki Mfg., Ltd. | Sheet cutting apparatus |
DE4304263C1 (en) * | 1993-02-12 | 1994-04-21 | Siemens Ag | Suction appts for loading-unloading of bulk material in large scale transportation or for domestic and industrial vacuum cleaner - uses fuzzy-logic control and has dust sensor deflecting loading of air with particles and producing signal proportional to loading |
WO1996029966A1 (en) * | 1995-03-27 | 1996-10-03 | The Procter & Gamble Company | Diaper registration control system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002064333A1 (en) * | 2001-02-14 | 2002-08-22 | Koenig & Bauer Aktiengesellschaft | Chip suctioning device for a longitudinal cutting device |
DE10106672A1 (en) * | 2001-02-14 | 2002-09-12 | Koenig & Bauer Ag | Slitter |
DE10106672B4 (en) * | 2001-02-14 | 2004-03-18 | Koenig & Bauer Ag | Slitter |
DE102021119691A1 (en) | 2021-07-29 | 2023-02-02 | Voith Patent Gmbh | Dust extraction on the roll cutter |
Also Published As
Publication number | Publication date |
---|---|
SE9804527D0 (en) | 1998-12-23 |
WO2000038894A8 (en) | 2001-03-08 |
SE518762C2 (en) | 2002-11-19 |
EP1161327A1 (en) | 2001-12-12 |
SE9804527L (en) | 2000-06-24 |
AU2131500A (en) | 2000-07-31 |
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