CN103620112B - For repairing the apparatus and method of the flow surface of the head box of fiber web machine - Google Patents
For repairing the apparatus and method of the flow surface of the head box of fiber web machine Download PDFInfo
- Publication number
- CN103620112B CN103620112B CN201280030304.1A CN201280030304A CN103620112B CN 103620112 B CN103620112 B CN 103620112B CN 201280030304 A CN201280030304 A CN 201280030304A CN 103620112 B CN103620112 B CN 103620112B
- Authority
- CN
- China
- Prior art keywords
- flow surface
- trim elements
- head box
- weir plate
- abrasive disk
- 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.)
- Expired - Fee Related
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/02—Head boxes of Fourdrinier machines
- D21F1/028—Details of the nozzle section
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
Abstract
The present invention relates to the device of flow surface in a kind of head box for repairing fiber web machine.This device includes frame structure (23) and trim elements (24), and this trim elements is arranged in described frame structure (23), for repairing the flow surface (25) of the weir plate passage (11) of head box.The height dimension s of trim elements (24) equals to or less than 60mm.Actuator (26) also is disposed in frame structure (23), is used for making trim elements (24) operate.Trim elements (24) is abrasive disk (36).The method that the invention still further relates to flow surface in a kind of head box for repairing fiber web machine.
Description
Technical field
The present invention relates to the device of flow surface in a kind of head box for repairing fiber web machine, wherein this device
Including:
-frame structure,
-trim elements, is arranged in frame structure, for repairing the flow surface of the weir plate passage of head box, Qi Zhongxiu
The height dimension s of whole element equals to or less than 60mm, and
-actuator, is arranged in frame structure, is used for making trim elements operate.
The method that the invention still further relates to flow surface in a kind of head box for repairing fiber web machine.
Background technology
In fiber web machine (such as paper machine), head box has pivotal role in continuous print web is formed.At stream slurry
In case, also in fibrous suspension, form strong turbulent flow by turbulent flow generator.In head box, after vortex generator
Followed by weir plate passage, this weir plate passage is limited by aulaeum and top weir plate.The size of weir plate passage, and especially shape
Shape, determines the uniformity coefficient that fibrous suspension is discharged on forming net.Additionally, aulaeum forms flow surface, this flow surface
It is made to the most smooth, and also is often polished.In other words, it practice, its target is accurate flatness and little
Surface roughness, in order to generate from the smooth discharge of head box.But, aulaeum and top weir plate wear and tear during operation.
It addition, occasioned uneven thermal expansion and deformation cause the change of the flatness of aulaeum, this hinders web to be formed.
Usual practice is by measuring, so that it is determined that the condition of head box and especially aulaeum.A kind of prior art
Measurement apparatus propose in No. 7335280 United States Patent (USP).Wherein, measurement is based on measuring many measurements put for simultaneously
Instrument, this has dramatically speeded up measurement work.Weir plate passage is opened during measuring.In other words, top weir plate is often flipped up,
Survey tool can be placed on flow surface.Survey tool is for determining the bar of the flow surface in single measurement
Part.This measurement is rapid, and the precision of result is excellent.It addition, result can process in the way of general and present.Based on these
As a result, it is possible to make the decision about the finishing measure needed.
Finishing measure includes the grinding of (at least as last measure) flow surface, and the most also includes
The polishing of flow surface.Grinding and perform by hand-operated tools, this hand-operated tools moves on flow surface.The common work selected
Tool is the angle grinding machine being equipped with emery wheel and sand paper.But, the instrument of the prior art and the pattern of operation include some reality
Shortcoming.First, keep hand-operated tools the most burdensome, if especially head box is in upright position, flow in this case
Surface is at an angle.More significant problem is, the weir plate passage of modern head box is limited.It practice, top weir plate
Such littlely mobile to be not intended for the space that high-power hand-operated tools fits on flow surface.This need to remove whole under
Labial lamina is ground, and this extends maintenance and stops work.The power of the angle grinding machine of prior art is about 1000W.Additionally, work as lower lip
Plate is likely to be broken when being mounted go back to its position.The power of the angle grinding machine of prior art is also not enough so that sufficiently large emery wheel revolves
Turn.Little emery wheel can not meet the demand of flatness.There is identical problem in resinder.
Summary of the invention
It is an object of the invention to provide the novel dress of flow surface in a kind of head box for repairing fiber web machine
Putting, wherein this device is more general, and is easier to use than the device of prior art.It is a further object of the present invention to provide one
Planting the novel method being used for repairing the flow surface in the head box of fiber web machine, wherein the method is also adapted to limited weir
Plate passage.Characteristic feature according to assembly of the invention is, trim elements is abrasive disk.Similarly, according to the side of the present invention
The characteristic feature of method is, trim elements is abrasive disk.Even can be used according to apparatus and method of the present invention repairing and be subject to most
The head box of limit, and do not remove aulaeum.Additionally, how this work can be performed comfily regardless of the position of flow surface
Make, and repair and can perform, without running under powered problem by using sufficiently large trim elements.According to this
Bright apparatus and method can be used particularly for the flow surface that finishing is formed by the aulaeum of the weir plate passage of head box.Repair
This is primarily referred to as grinding, but trim elements also is able to for rubbing or polishing.During grinding, remove material from flow surface
Material so that flow surface can become smooth again.The method can also use auxiliary device, and this auxiliary device reduces grinding
Need, and therefore shorten production shut-down.
Accompanying drawing explanation
Hereinafter, the present invention is described in detail by referring to the accompanying drawing showing some embodiments of the present invention, in the accompanying drawings:
Fig. 1 illustrates the sectional view of a part for the head box of fiber web machine；
Fig. 2 a illustrates the side view according to assembly of the invention；
Fig. 2 b illustrates the top view of the device of Fig. 2 a；
Fig. 3 a illustrates the side view of the modification of the device of Fig. 2 a；
Fig. 3 b illustrates the top view of the device of Fig. 3 a；
Fig. 4 a illustrates the side view of another modification of the device of Fig. 2 a；
Fig. 4 b illustrates the side view of the Another Application according to assembly of the invention；
Fig. 4 c illustrates the top view of the device of Fig. 4 b；
Fig. 4 d illustrates the top view of the 3rd application according to assembly of the invention；
Fig. 5 illustrates the application of the method according to the invention；
Fig. 6 illustrates the sectional view of the trim elements according to the present invention；
Fig. 7 is shown in the side view according to the auxiliary device used in the finishing of the present invention；
Fig. 8 illustrates the front view of the auxiliary device of Fig. 7.
Detailed description of the invention
Fig. 1 illustrates a part for the conventional headbox of fiber web machine.Fiber web machine such as includes paper machine, lap machine
And Paper pulp machine.As is well known, the fibrous suspension used in production process is supplied to weir plate passage by turbulent flow generator 10
In 11.The purpose of turbulent flow generator is that fiber is separated from one another, and guides in the most uncertain mode as far as possible
These fibers.Here, turbulent flow generator 10 is made up of multiple pipes 12, these pipe two ends support to firm plate 13 and 14.In limit
Machining holes 15 on the plate of weir plate passage 11 processed, and described pipe 12 has been placed in hole 15.In FIG, each other
Top on there are 7 line pipes 12, and each row extends through the width of whole head box.Pipe 12 is the most at a certain angle
Place so that the fluid put from the bank of tubes of different rows is got together slice opening 17.But, Fig. 1 does not shows that fiber hangs
Supernatant liquid or its flowing.After turbulent flow generator 10, weir plate passage 11 comprises turbulent flow plate 16, and above-mentioned turbulent flow plate maintains weir plate
Opening 17 until the desired turbulence levels of wet end.Fibrous suspension is discharged into by 20, roller from slice opening 17 at this
On the forming net 21 of support, transported forward by forming net afterwards.
The end of weir plate passage 11 has prominent aulaeum 18, and aulaeum forms smooth flow surface 25.Aulaeum
It is a part for head box, and aulaeum is maintained at its position when using head box.Alternatively, top weir plate 19 is connected to
There is the head box at abutment so that top weir plate can upwards turn over to safeguard.Its abutment 22 figure 1 illustrates.This
Outward, top weir plate has the adjustor axle arranged at certain intervals, to adjust the profile (adjustor axle is not shown) of slice opening.
When safeguarding head box, and especially when repairing flow surface, the structure after head box is removed, and top weir plate is turned
To maintenance position.So, aulaeum can enter across its whole width.
The present invention relates to the device of flow surface in a kind of head box for repairing fiber web machine.At Fig. 2 a and figure
2b shows an application example of this device.This device includes frame structure 23 and trim elements 24, this trim elements
It is arranged in frame structure, to repair the flow surface 25 of the weir plate passage 11 of head box.Additionally, this device includes actuator
26, this actuator arrangement in frame structure 23 so that trim elements 24 operates.The height dimension s of trim elements 24 is equal to or little
In 60mm.So, this device can be removed aulaeum and repair the most limited head box.Here, height dimension refers to
Be the full-size of trim elements measured along the normal direction of flow surface.According to the present invention, trim elements 24 is to grind
Dish 36, can make flow surface smooth by this abrasive disk 36.
In application example, actuator 26 is arranged away from trim elements 24.In other words, rotary shaft 27 cloth in actuator 26
Put the side of rotary shaft 28 in trim elements 24.So, owing to actuator is maintained at outside weir plate passage, so actuator energy
Enough higher than trim elements.Fig. 2 b illustrates the leading edge 29 of aulaeum with chain-dotted line.In identical application, actuator 26 is borrowed
Helping actuated element 30 to be connected to trim elements 24, actuated element 30 provides power transmission ratio.Here, actuated element is equipped with gear
V-belt 31, and the belt wheel 32 and 33 of correspondence is arranged in trim elements 24 and actuator 26.Due to this transmission power ratio,
The rotating speed of high torque actuator can fully raise.V-belt or light, quietly and use safety.As V-strapped
Substitute, some other known drive method, as gear or chain drive also are able to use.
In application shown in Fig. 2 a and Fig. 2 b, trim elements is arranged as separating with actuator.Here, trim elements 24
Including body member 34, abrasive disk 36 is supported to body member 34 by double-row bearing 35 so that abrasive disk 36 can rotate.And
And, the rotary shaft of abrasive disk 36 is arranged essentially parallel to the normal of flow surface 25.The simple in construction proposed is the firmest, because of
For the bearing of major diameter can be used.Meanwhile, it is capable to use the common actuator only installing belt wheel 33.Here, actuator 26
It it is the air impeller motor 37 exporting good moment of torsion.Due to gear ratio, the rotating speed of the turbine motor of peace and quiet and high torque can carry
Height, therefore significantly improves grinding performance.Preferably, the belt wheel 32 of trim elements is integrated in abrasive disk 36, therefore at bearing 35
(Fig. 6) trim elements on side only has two parts.Body member can be by such as aluminum manufacture, and abrasive disk can be by not
Rust steel making.
The device proposed also has another new and unexpected attribute.First, frame structure 23 includes loading arm 38, its
For by from weir plate passage 11(Fig. 3 a and Fig. 3 b) drive support and loading tool 45.Relatively long loading arm 38 is attached to this
Body part 34 so that loading arm 38 can rotate.Additionally, loading arm is equipped with the roller bearing 39 rotated in all directions, when this device
During operating, this roller bearing 39 contacts with the top weir plate of head box.Loading arm extends slice opening so that trim elements can be led to
Cross extruding loading arm and be loaded against flow surface.So, as shown in Figure 5, even if flow surface tilts, also easily against
Flow surface extruding trim elements.Loading can also use on the flow surface of level, in such a case, it is possible to not by hands
Fill in and weir plate passage carries out operation.This improves ergonomics and simultaneously improves occupational safety.
Secondly, this device is provided with support wheel.Frame structure 23 includes supporting wheel 40 and/or 41, with against flow surface 25
And/or support this device against the edge 29 of flow surface 25.First supports wheel 40 is positioned at the front portion of this device, and when by this
When supporting wheel support, this device is inserted into slice opening and does not damage slice opening.In other words, front support wheel 40 is put lightly
Put on aulaeum, and this device is pushed into slice opening by this device of activator suspension.The support wheel at rear portion is horizontal
To so that it can contact with the leading edge of flow surface.So, the weight of this device can be supported on support wheel,
And operator only needs to hang this device littlely.Support wheel and also help device laterally moving forward and backward along head box.
Meanwhile, trim elements will always remain in appropriate location, without any special finishing.And, support wheel and prevent actuator
The leading edge of impact aulaeum.
In the application proposed, various parts are secured to one another by screw rod 42.So, this device be configured to change
Become, and such as, V-belt can be adjusted to suitable tightness.Here, there is pouring weight 43, and weight near front support wheel 40
Block 43 is used for balancing this device.So, trim elements is the most flatly loaded, and operator need not hang it.If
Need, it is possible to remove support wheel and pouring weight.Such application illustrates in fig .4.If it is required, rear support wheel also is able to be moved
Walk or on turn over, if therefore having enough space to enter weir plate passage for actuator, then this device also is able to for repairing
Flow surface is deeper into weir plate passage.Space problem can be by rotational actuator 26 and by actuator 26 is fastened to this
The side of body part 34 and solve, as shown in Fig. 4 b and Fig. 4 c.This avoids V-strapped use, and this device is compact.Standard
Actuator remain able to use, but its connection with body member is needed to make some and changes.Fig. 4 c illustrates support handle 44,
This support handle is arranged on the opposite side of body member 34.This allows the device to move by two handss.And, if needed
Want, it is possible to use two actuators.In applying the 3rd, actuator 26 is integrated in body member, in this case, uses two
Individual support handle 44(Fig. 4 d).In the application proposed, the diameter of abrasive disk about 200mm, this is typically enough to finishing flowing
Surface.It is said that in general, trim elements 24 is abrasive disk 36, the diameter of abrasive disk 36 is at least equal to or greater than to be repaiied along machine direction
The size of whole flow surface 25.This avoids trim elements along the unnecessary movement of machine direction, and therefore focus may is that
Move primarily in a lateral direction in trim elements.Here, machine direction refers to the depth direction of head box.Meanwhile, can avoid by not
Correct location and the bias that causes, therefore flow surface can be made to precisely smooth.Correspondingly, in application example
The height dimension about 45mm of trim elements.
Fig. 5 illustrates the application of the method according to the invention.The method is intended to the stream repairing in the head box of fiber web machine
Dynamic surface.In Figure 5, roller is removed, and slice opening is opened, and the side plate of head box is removed.This allows flow surface to exist
It is trimmed on its whole width.In the method, flow surface 25 is trimmed by instrument 45 so that instrument 45 includes
Trim elements 24 is placed in the weir plate passage 11 of head box, in the region that flow surface 25 is trimmed.This region need not be moved
Walk the aulaeum 18 of the part as head box and be trimmed.Additionally, the method uses instrument 45, the wherein finishing of instrument 45
The height dimension s of element 24 equals to or less than 60mm(Fig. 2 a).According to the present invention, trim elements 24 is abrasive disk 36, this grinding
Dish moves along the width of head box.By using abrasive disk, finishing is efficient, and flow surface can be by accurately
Make smooth.Instrument 45 preferably abuts against the edge 29 of flow surface 25 and is supported.In Figure 5, head box is in upright
Position, in this case, flow surface is also at an angle of.Supporting wheel makes this device be kept in the correct position, and operator is not required to
Hang this device.Example in Fig. 5 also illustrates that loading arm, adds by this loading arm by obtaining support from weir plate passage
Load instrument.The roller bearing of this loading arm obtains support from top weir plate, therefore trim elements can by be pressed down against arm and against
Flow surface is loaded.
The needs of finishing and the position of needs finishing can determine by above-mentioned measurement apparatus.In practice,
Measure and spend about 15 minutes.Owing to quickly measuring, the flatness of aulaeum can also be measured the most again.Practice
In, grind and start from the leading edge (that is, before) of aulaeum, after this, smooth flow surface is ground.In other words, stream
Dynamic surface is repaired by grinding, therefore removes material from flow surface, and therefore flow surface is made smooth.
Can be used in easily repairing the flow surface of flat limited head box according to apparatus and method of the present invention.Root
Can be when head box be attached to the structure of fiber web machine according to apparatus and method of the present invention, or at head box from web of fiber
Use when material machine is removed.Additionally, this device is suitable for the head box of level and the head box of inclination.Here, fiber web machine
Refer to paper machine, lap machine and toilet paper machine and pulp dryer.
Fig. 7 illustrates a kind of new auxiliary device 46 used in finishing.Here, auxiliary device 46 is almost pushed fully into
In weir plate passage 11, and auxiliary device 46 is particularly intended to bend aulaeum 18, mainly makes it align.Aligning can be used in
Reduce the needs of finishing, because being also frequently utilized that after aligning and grinding aulaeum according to assembly of the invention.In the weir plate of top
Weir plate lip guide fibrous suspension to concentrate to flow to the tip of aulaeum, this especially causes the abrasion of leading edge of aulaeum.So
And, present auxiliary device can be used in quickly and accurately aligning.The deflection of local also is able to be repaired.
Auxiliary device includes buckstay 47, and when being placed in weir plate passage, this buckstay is against aulaeum and weir, top
Plate is supported.After this, when obtaining support from this beam, aulaeum can be loaded outside weir plate passage.In other words, under
Labial lamina can upwards be loaded, and therefore flow surface can be straightened, and polishes further to become smooth.It is said that in general,
The aulaeum 18(of head box has the aulaeum including flow surface 25) rectified before grinding by assist 46
Directly.By this way, aligning can be accurately performed and impact aulaeum without by sledgehammer.This also improves the safety of occupation
Property and ergonomics.
Beam 47 is relatively low, and its height of its width ratio is big many.Width and the length of beam are about 350mm.With this
The mode of kind, this beam is fitted in weir plate passage, and is supported on wide region.The stream of therefore this supporting & stablizing, and aulaeum
Dynamic surface keeps complete.In the bottom of beam 47, in its leading portion and back segment, also there is foot 48 and 49, above-mentioned foot base
In basis, the whole width across beam 47 extends.But, front foot portion 48 has certain distance with the leading edge of aulaeum 18, therefore may be used
To bend aulaeum 18.
Aulaeum bends by hydraulic cylinder 50, and this hydraulic cylinder is supported on L-shaped support member 51.This support member preferably may be used
Remove so that different support members can be attached to beam, and auxiliary device is easily transported.Here, beam 47 has prominent
Going out portion 52, this protuberance contacts with support member 51.By this way, protuberance 52 bears load, enabling use thin bolt
53。
Beam 47 is secured in place by the second hydraulic cylinder 54, and this second hydraulic cylinder contacts with top weir plate 19.Preferably, two
Individual hydraulic cylinder all has the supporting part (not shown) wide for the most about 50mm of the extension as them.This prevents point load,
And the power provided by hydraulic cylinder can be distributed over a wider area.Preferably, the supporting part of bending hydraulic cylinder is by guide rail
Being attached to support member, therefore supporting part will always be disposed upon correct position.In the application proposed, hydraulic cylinder 50 is by lower lip
Plate 18 is bent upwards.By using suitable support member, the load of hydraulic cylinder can also be applied on the upper surface of aulaeum, because of
This aulaeum can be bent downwardly.Such as, the shaping wet end of damage can impact aulaeum and make it be bent upwards.
In the figure 7, top weir plate 19 is opened at maintenance position, and removes weir plate lip.In this case, weir plate leads to
The height in road 11 is about 60mm.At production period, the height of slice opening is generally only 5 to 10mm.Fig. 7 also illustrates that graduated disc
Indicator 55, the measurement pin 56 of dial indicator is against flow surface 25.Dial indicator can be used in determining bending
Measure, and the elastic recovery of aulaeum also is able to be considered.The most advanced and sophisticated thickness of aulaeum is less than 10 millimeters, the least liquid
Cylinder pressure also is able to align this aulaeum.Fig. 7 generally illustrates oil circuit 57 and manual pump 58, and they constitute functional jack.
Two hydraulic cylinders of pump blocked operation, and to this end, there is in oil circuit distributing valve.In practice, beam first by jack-up with weir plate
Channel contact, aulaeum is bent afterwards.
Between bending sequence, the on-load pressure of hydraulic cylinder is removed, and auxiliary device is transported to the next position.Rolling
Axle and other rolling elements can be attached to foot and the hydraulic cylinder of beam.In this case, auxiliary device can be along stream slurry
The transverse shifting of case, and aulaeum is therefore, it is possible to bend in the way of similar calendering (mangling).Hydraulic cylinder is arranged
Desired pressure, and this device such as shifts by pulling by coaster.Calendering can be by increasing on-load pressure frequently
And complete stage by stage.By this way, this device repeatedly transfers to opposite side from the side of head box.Auxiliary device can be easy
Transport, and functional jack quickening dressing process.
Claims (15)
1., for repairing a device for the flow surface of the head box of fiber web machine, wherein this device includes:
-frame structure (23),
-trim elements (24), is arranged in described frame structure (23), for repairing the flowing of the weir plate passage (11) of head box
Surface (25), and
-actuator (26), is arranged in described frame structure (23), is used for making described trim elements (24) operate,
It is characterized in that, the height dimension s of described trim elements (24) equals to or less than 60mm, and described trim elements (24) can quilt
It is placed in the weir plate passage (11) of described head box so that finishing need not remove the aulaeum that described head box includes
(18),
Described trim elements (24) is abrasive disk (36), and described trim elements (24) includes body member (34), described abrasive disk
(36) it is supported to described body member by bearing (35) so that described abrasive disk (36) can rotate,
The side of the rotary shaft (28) that the rotary shaft (27) in described actuator (26) is arranged in described trim elements (24).
Device the most according to claim 1, it is characterised in that described actuator (26) is connected to by actuated element (30)
Described trim elements (24), described actuated element provides power transmission ratio.
Device the most according to claim 1, it is characterised in that the diameter of described abrasive disk (36) is at least equal to or greater than edge
The size of described flow surface (25) that machine direction will be trimmed.
Device the most according to claim 2, it is characterised in that the diameter of described abrasive disk (36) is at least equal to or greater than edge
The size of described flow surface (25) that machine direction will be trimmed.
5. according to the device according to any one of claim 1 to 4, it is characterised in that the rotary shaft base of described abrasive disk (36)
The normal of described flow surface (25) it is parallel in basis.
6. according to the device according to any one of claim 1 to 4, it is characterised in that described actuator (26) is air impeller
Motor (37).
7. according to the device according to any one of claim 1 to 4, it is characterised in that described frame structure (23) includes loading
Arm (38), it is for by loading described trim elements from the acquirement support of described weir plate passage (11).
8. according to the device according to any one of claim 1 to 4, it is characterised in that described frame structure (23) includes supporting
Wheel (40,41), supports described with the edge (29) against described flow surface (25) and/or against described flow surface (25)
Device.
9. a method for the flow surface in the head box repairing fiber web machine, in the method, described flow meter
Face (25) is trimmed by instrument (45), and the trim elements (24) that wherein said instrument (45) includes is placed on described head box
Weir plate passage (11) in, in the region that described flow surface (25) will be trimmed, this finishing need not remove described head box
The aulaeum (18) included, and the method employing instrument (45), and this instrument (45) is along the width side of described head box
To movement, it is characterised in that abrasive disk (36) is used as described trim elements (24), the trim elements (24) of described instrument (45)
Height dimension s equal to or less than 60mm, described trim elements (24) includes body member (34), and described abrasive disk (36) is by axle
Hold (35) and be supported to described body member so that described abrasive disk (36) can rotate, the rotary shaft (27) in actuator (26)
The side of the rotary shaft (28) being arranged in described trim elements (24).
Method the most according to claim 9, it is characterised in that described instrument (45) is against described flow surface (25)
Edge (29) is supported.
11. methods according to claim 9, it is characterised in that described instrument (45) is by from described weir plate passage (11)
Obtain and support and be loaded.
12. methods according to claim 10, it is characterised in that described instrument (45) is by from described weir plate passage (11)
Obtain and support and be loaded.
13. according to the method according to any one of claim 9 to 12, it is characterised in that the described work used in the method
Tool (45) is according to the device according to any one of claim 2 to 8.
14. according to the method according to any one of claim 9 to 12, it is characterised in that described flow surface (25) is by grinding
Mill finishing.
15. according to the method according to any one of claim 9 to 12, it is characterised in that the aulaeum (18) of described head box
Being straightened before grinding by assist (46), described aulaeum (18) includes described flow surface (25).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20115655 | 2011-06-23 | ||
| FI20115655A FI127036B (en) | 2011-06-23 | 2011-06-23 | APPARATUS AND METHOD FOR RESTORING THE FLOW SURFACE OF A FIBER MACHINE MACHINE |
| PCT/FI2012/050625 WO2012175801A1 (en) | 2011-06-23 | 2012-06-18 | Device and method for conditioning the flow surface of the headbox of a fiber web machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103620112A CN103620112A (en) | 2014-03-05 |
| CN103620112B true CN103620112B (en) | 2016-11-09 |
Family
ID=44206864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280030304.1A Expired - Fee Related CN103620112B (en) | 2011-06-23 | 2012-06-18 | For repairing the apparatus and method of the flow surface of the head box of fiber web machine |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN103620112B (en) |
| DE (1) | DE112012002566T5 (en) |
| FI (1) | FI127036B (en) |
| WO (1) | WO2012175801A1 (en) |
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| US4290867A (en) * | 1980-06-30 | 1981-09-22 | Jumer John F | Means for and method of producing smooth electro-polished surfaces |
| FI84087B (en) * | 1990-04-20 | 1991-06-28 | Valmet Paper Machinery Inc | Arrangement for repair of pointed edge in the headbox of a paper machine and set-up method |
| US5928067A (en) * | 1997-10-14 | 1999-07-27 | Beloit Technologies, Inc. | Headbox apron finishing and lapping device |
| EP1510780A2 (en) * | 2003-08-26 | 2005-03-02 | Metso Paper Inc. | Method and equipment for measuring the flatness of the flow surface of the headbox of a paper machine |
| CN101468446A (en) * | 2007-12-26 | 2009-07-01 | 株式会社牧田 | Power tool |
| DE102008059247A1 (en) * | 2008-11-20 | 2010-05-27 | Metabowerke Gmbh | Electric motor-driven angle grinder, has angle transmission arrangement with one section formed as crown wheel, supporting section, and thread section for clamping unit utilized for fixing grinding tool to tool spindle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2121967C (en) * | 1994-04-22 | 1996-05-21 | Douglas Henry Offerhaus | Method of reducing surface irregularities in paper machine headbox components |
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2011
- 2011-06-23 FI FI20115655A patent/FI127036B/en not_active IP Right Cessation
-
2012
- 2012-06-18 CN CN201280030304.1A patent/CN103620112B/en not_active Expired - Fee Related
- 2012-06-18 WO PCT/FI2012/050625 patent/WO2012175801A1/en active Application Filing
- 2012-06-18 DE DE112012002566.0T patent/DE112012002566T5/en not_active Withdrawn
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|---|---|---|---|---|
| US4290867A (en) * | 1980-06-30 | 1981-09-22 | Jumer John F | Means for and method of producing smooth electro-polished surfaces |
| FI84087B (en) * | 1990-04-20 | 1991-06-28 | Valmet Paper Machinery Inc | Arrangement for repair of pointed edge in the headbox of a paper machine and set-up method |
| US5928067A (en) * | 1997-10-14 | 1999-07-27 | Beloit Technologies, Inc. | Headbox apron finishing and lapping device |
| EP1510780A2 (en) * | 2003-08-26 | 2005-03-02 | Metso Paper Inc. | Method and equipment for measuring the flatness of the flow surface of the headbox of a paper machine |
| CN101468446A (en) * | 2007-12-26 | 2009-07-01 | 株式会社牧田 | Power tool |
| DE102008059247A1 (en) * | 2008-11-20 | 2010-05-27 | Metabowerke Gmbh | Electric motor-driven angle grinder, has angle transmission arrangement with one section formed as crown wheel, supporting section, and thread section for clamping unit utilized for fixing grinding tool to tool spindle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112012002566T5 (en) | 2014-03-20 |
| FI20115655A0 (en) | 2011-06-23 |
| FI127036B (en) | 2017-10-13 |
| WO2012175801A1 (en) | 2012-12-27 |
| CN103620112A (en) | 2014-03-05 |
| FI20115655A (en) | 2012-12-24 |
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