CN101396778A - Steel strip repair welding method used in fiber breadth material machine - Google Patents
Steel strip repair welding method used in fiber breadth material machine Download PDFInfo
- Publication number
- CN101396778A CN101396778A CNA2008101274357A CN200810127435A CN101396778A CN 101396778 A CN101396778 A CN 101396778A CN A2008101274357 A CNA2008101274357 A CN A2008101274357A CN 200810127435 A CN200810127435 A CN 200810127435A CN 101396778 A CN101396778 A CN 101396778A
- Authority
- CN
- China
- Prior art keywords
- welding
- conveying roller
- metal tape
- welding method
- steel band
- 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
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/0066—Calenders; Smoothing apparatus using a special calendering belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G3/00—Belt fastenings, e.g. for conveyor belts
- F16G3/10—Joining belts by sewing, sticking, vulcanising, or the like; Constructional adaptations of the belt ends for this purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Laser Beam Processing (AREA)
- Belt Conveyors (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a method for mending and welding the steel strip (4) used in a fiber web machine (1). In the method, an annular metal strip (4) which is supported by a plurality of conveying roller (2) and is in an operating state is stopped from moving. The position of the metal strip (4) to be welded is stopped on a surface of the conveying roller (2) along an operating direction of the metal strip (4). The metal strip (4) is supported by the conveying roller (2) at least at the position to be welded. The metal strip (4) is executed with mending and welding from an opposite side of the surface (4b) opposite to the conveying roller (2).
Description
Technical field
The steel band that the present invention relates to use in a kind of fiber web machine (Faserbahnmaschine) is repaired welding method, in described method, makes by endless metal belt stop motion supporting, that be in running status of a plurality of conveying rollers.
Background technology
At present, the metal tape that is applied in the fiber web machine will suffer fatigue loads and corrosion load in operation.In addition, metal tape also will suffer can cause greatly the abrasive forces of fatigue crack in metal tape.This kind situation for example appears in metal crimp ray machine and the CondeBelt band drier.In the applicant's patent documentation FI 117982, attempt the metal tape blank to be connected to each other (composition of seam crossing is identical with base material) and to use as the minimizing of heat treatment and so on the method for (schlupfmindernde) of sliding overcomes the shortcoming of being correlated with wearing and tearing by the seam crossing between blank by the friction welding (FW) connection.
Take place although can reduce the wearing and tearing of metal tape with these methods, recommendablely be, take a kind of be used to mend a split quicker and have more the method for cost performance.Metal tape in using at present for example with the contacting of heatable conveying roller in be heated.Must shut down in order to repair the welding metal tape, wait for the metal tape cooling subsequently.Must etc. to be cooledly can operate up to the space that centers at metal tape.Now, need a staff in the space that metal tape centers on, it supports metal tape within the space that metal tape centers on, and second place staff needs to repair welding in a relative side, therefore can't avoid now cooling off the needed time.
Summary of the invention
The objective of the invention is to, a kind of solution to the problems described above that is used for is provided.
In order to realize this purpose, the method according to this invention is characterised in that, the position to be welded that makes metal tape stops on the surface of a conveying roller along the traffic direction of this metal tape, this metal tape is supported by this conveying roller in this position to be welded at least along this traffic direction, and begin this metal tape is repaired welding from opposition side with this conveying roller facing surfaces.
Than described existing repairing welding method, the method according to this invention has tangible advantage.On the one hand, in fact repairing welding does not need cooled metal bands to carry out, because need not stay in the space that metal tape centers on.Therefore avoided the nearly stand-by period (cool time) of a few hours, thereby reduced a fraction of repairing time than preceding method the present invention.On the other hand, only need a staff to carry out and repair welding.Another advantage is, weld seam bottom side (that side by the conveying roller supporting of metal tape) is straight, promptly with the medial surface of metal tape in same plane, do not need inboard (at place, weld seam bottom) to carry out grinding thus usually to metal tape.
In appended relevant claim, describe according to a preferred embodiment of the invention.
Description of drawings
Followingly describe the present invention in detail with reference to the embodiment that describes in the accompanying drawing, wherein:
Fig. 1 shows in metal belt calender the schematic diagram of using according to the layout of the embodiment of the inventive method; And
Fig. 2 shows the details enlarged drawing of position II among Fig. 1.
The specific embodiment
Also show an embodiment of metal belt calender 1 in Fig. 1 and Fig. 2, described metal belt calender has the layout that can use the method according to this invention.In the applicant's patent documentation FI117982, respective embodiments has been described.Figure 1 illustrates three conveying rollers 2, be furnished with the metal tape 4 that moves around conveying roller 2 around described three conveying rollers 2.The manufacturing of optional structure and metal tape 4 has been described in the applicant's the FI117982 of patent documentation the preceding equally.
Represent hot-rolling with Reference numeral 3.Pass between the part that width of cloth material (Materialbahn) W tangentially moves on the surface of the first surface 4a of metal tape 4 and hot-rolling 3.
Carry out the control of the metal tape 4 of calender as follows, that is: by the automaton (not shown) or manually the position to be welded of metal tape 4 traffic direction along metal tape 4 is controlled on the conveying roller 2, perhaps in this case the position to be welded of metal tape 4 is stopped on the conveying roller that is positioned at the left side 2 shown in Figure 2.Thus, the position to be welded on surperficial 4b of not moving is by conveying roller 2 supportings.
Former when stating method and transmit position to be welded, can between metal tape 4 and conveying roller 2, insert additional supporting member 6 or bottom bearing member (Wurzelst ü tze) in case of necessity.Can begin from the edge of metal tape 4 to realize this insertion operation, not need to use the space 10 that centers on by metal tape for this reason with hand.Described bottom bearing member is used to protect conveying roller 2 with the heat load of opposing by the welding generation, and the surface quality of described heat load meeting pair roller 2 has a negative impact.The material of bottom bearing member 6 can select can prevent or reduce at least any solid material that is conducted by the heat load of welding generation on roller 2.In addition, make this material be configured with uniform surface.This kind material for example can be the copper of thin plate or film (paper tinsel) shape or be similarly thin plate or the aluminium of film (paper tinsel) shape.
After this, can or begin to carry out the repairing welding of metal tape 4 from the first side 4a of metal tape 4 from metal tape 4 and opposition sides conveying roller 2 opposing second surface 4b.Realize repairing welding with the welding method for the treatment of patching material that is suitable for metal tape 4 arbitrarily, welding method herein can be so-called laser weld, TIG welding and friction welding (FSW welding).In Fig. 1-2, use the device of welding method to represent with Reference numeral 5.In the applicant's patent documentation FI 117982, describe the material of metal tape 4 in detail, therefore no longer be described herein.
Because this second surface 4b abuts in tightly with the uniform outer surface of conveying roller 2 or additional support members 6, therefore, weld seam bottom (Schwei β wurzel) forms in uniform mode, and is positioned at same plane with another surperficial 4b.Thus, the second side 4b that does not need grinding metal tape 4.The opposition side 4a or first side that is supported on the surperficial 4b on the conveying roller 2 then needed grinding is carried out in the welding position.
Because in welding process, material stress can occur, after grinding, to carry out stress relief annealing (Spannungsfreigl ü hen).For this purpose, make the welding position run in the free space between the conveying roller 2 or in the free space between conveying roller 2 and the hot-rolling 3, and carry out stress relief annealing with known method.
The invention is not restricted to the application of metal belt calender, but in the protection domain of claims, can many-sidedly use.
Claims (6)
1. the steel band (4) that uses in the fiber web machine (1) is repaired welding method, in described method, make by a plurality of conveying rollers (2) supportings, the endless metal belt (4) that is in running status is out of service, it is characterized in that, the position to be welded that makes this metal tape (4) stops on the surface of a conveying roller (2) along the traffic direction of this metal tape (4), this metal tape (4) is supported by this conveying roller (2) in this position to be welded at least along this traffic direction, and begin to carry out the repairing welding of this metal tape (4) from opposition side with this conveying roller (2) facing surfaces (4b).
2. steel band as claimed in claim 1 is repaired welding method, it is characterized in that, inserts thin additional support members (6) between surface this metal tape (4) and this conveying roller (2) facing surfaces (4b) and this conveying roller (2).
3. steel band as claimed in claim 2 is repaired welding method, it is characterized in that the material of this additional support members (6) is preferably copper coin or Copper Foil, perhaps is aluminium sheet or aluminium foil.
4. repair welding method as each described steel band in the claim 1 to 3, it is characterized in that, described repairing welding is connected to few with method for laser welding, TIG welding method and/or friction welding method realization.
5. repair welding method as each described steel band in the claim 1 to 4, it is characterized in that, after repairing welding, on the opposition side that is supported on the surface (4b) on this conveying roller (2), grinding is carried out in this welding position.
6. repair welding method as each described steel band in the claim 1 to 5, it is characterized in that, after repairing welding, this welding position is run in the free space between the described conveying roller (2), and carry out stress relief annealing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20075669 | 2007-09-26 | ||
| FI20075669A FI119602B (en) | 2007-09-26 | 2007-09-26 | Method of repair welding a steel strip used in a fiber web machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101396778A true CN101396778A (en) | 2009-04-01 |
| CN101396778B CN101396778B (en) | 2013-01-09 |
Family
ID=38573001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101274357A Expired - Fee Related CN101396778B (en) | 2007-09-26 | 2008-06-30 | Steel strip repair welding method used in fiber breadth material machine |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101396778B (en) |
| AT (1) | AT506009B1 (en) |
| DE (1) | DE102008040150B4 (en) |
| FI (1) | FI119602B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992332A (en) * | 2009-08-24 | 2011-03-30 | 美卓造纸机械公司 | Method of repairing a cranny of a metal strip in a fibrous-web machine |
| CN104066542A (en) * | 2011-11-23 | 2014-09-24 | 海克恩系统有限公司 | System and method for cardboard-handling |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1207525B (en) * | 1959-08-14 | 1965-12-23 | British Oxygen Co Ltd | Process and device for machine fusion welding, preferably arc shielded gas welding, butt-abutting plates, sheets or strips |
| AT283194B (en) * | 1967-06-28 | 1970-07-27 | Vmw Ranshofen Berndorf Ag | Welding or soldering connection for endless metal strips |
| DE1627562A1 (en) * | 1967-09-04 | 1971-01-28 | Messer Griesheim Gmbh | Welding pad, especially for sheet metal or strip welding machines |
| JPS61127943A (en) * | 1984-11-22 | 1986-06-16 | Kato Hatsujo Kaisha Ltd | Endless-form metal belt and manufacturing method thereof |
| GB2332164A (en) * | 1997-12-13 | 1999-06-16 | Harrison Saw & Tool Ltd | Continuous band manufacture |
| DE19950312C2 (en) * | 1999-10-14 | 2002-03-14 | Ver Energiewerke Ag | Process of non-destructive material testing for on-site determination of the corrosion resistance of metallic materials and / or weld seams with regard to their passivity to corrosion |
| FI117982B (en) * | 2006-01-20 | 2007-05-15 | Metso Paper Inc | Metal belt manufacture for use in paper/board machine or in finishing machine, includes placing metal belt blanks narrower than final belt width side-by-side and/or in succession, and welding joints by friction welding |
| CN100423882C (en) * | 2006-11-16 | 2008-10-08 | 华中科技大学 | Welding jig for welding cylinder |
-
2007
- 2007-09-26 FI FI20075669A patent/FI119602B/en not_active IP Right Cessation
-
2008
- 2008-06-30 CN CN2008101274357A patent/CN101396778B/en not_active Expired - Fee Related
- 2008-07-03 DE DE102008040150.1A patent/DE102008040150B4/en not_active Expired - Fee Related
- 2008-07-04 AT AT0105808A patent/AT506009B1/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992332A (en) * | 2009-08-24 | 2011-03-30 | 美卓造纸机械公司 | Method of repairing a cranny of a metal strip in a fibrous-web machine |
| CN104066542A (en) * | 2011-11-23 | 2014-09-24 | 海克恩系统有限公司 | System and method for cardboard-handling |
| CN104066542B (en) * | 2011-11-23 | 2016-06-01 | 海克恩系统有限公司 | For the system and method for fiber board process |
Also Published As
| Publication number | Publication date |
|---|---|
| FI20075669A0 (en) | 2007-09-26 |
| AT506009A3 (en) | 2011-04-15 |
| AT506009B1 (en) | 2011-07-15 |
| DE102008040150A1 (en) | 2009-04-02 |
| DE102008040150B4 (en) | 2015-11-12 |
| AT506009A2 (en) | 2009-05-15 |
| CN101396778B (en) | 2013-01-09 |
| FI119602B (en) | 2009-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20170630 |