CN106269884B - A kind of roller surface treatment method and its roll - Google Patents
A kind of roller surface treatment method and its roll Download PDFInfo
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- CN106269884B CN106269884B CN201510326001.XA CN201510326001A CN106269884B CN 106269884 B CN106269884 B CN 106269884B CN 201510326001 A CN201510326001 A CN 201510326001A CN 106269884 B CN106269884 B CN 106269884B
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- polissoir
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- texturing
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Abstract
The present invention provides a kind of roller surface treatment methods, the roller surface after texturing is polished directly using polissoir, specific steps are as follows: the roll after texturing is mounted on polissoir, adjust specified press pressure of the abrasive sand with revolving speed, compression roller on polissoir, transverse moving speed, the revolving speed of roll are set, then after the circle bounce of roll being tuned up, roll surface is polished using polissoir, coolant liquid is added in polishing process, roughness measurement is carried out after polishing per pass, until meeting regulation roughness Ra value.The present invention also provides a kind of rolls processed using above-mentioned processing method, and grinding and polishing is passed through on the roll barrel surface after texturing, form the wear-resistant friction layer that a surface has negative Rsk value.There is the problems such as roll marks when effective solution of the present invention gloss level of roll decaying existing in the prior art is fast, rolled products homogeneity is poor, pattern keeps bad, rolls.
Description
Technical field
The present invention relates to metallurgical equipment component processing method, in particular to a kind of roller surface treatment method and utilize the party
The roll that method is processed.
Background technique
Roll surface roughness size directly affects the press formability of strip, and the roughness of Cold-strip Steel Surface is complete
Be entirely by roll after texturing surface roughness and peak value duplication transmitting formed, so roller surface frosting treatment technology and
The quality of quality directly influences the service condition of cold rolling plate.
EDT texturing (electric spark texturing) technology is the high energy pulse electric energy using moment, is formed between electrode and roll
High temperature, high-pressure area, an electric spark is generated when electrode brief energization between roll, and each electric spark is formed in roller surface
One pockmark, for roller surface gradually by texturing, the roller surface processed is uniform, wide (0.5 μm of -15 μ of roughness Ra value range
M), peak value Pc can also be very high, the two parameter Rs a and Pc have controllability, and repeatability is also fine.So EDT texturing
Technology has become at present the roller texturing technology of most industrialization value, can meet automaker well to the more of texturing
Kind requires.
Currently, domestic steel mill in roll after EDT texturing, generally without processing, directly use on the machine, and utilize
Roll after EDT texturing technical treatment will form the texturing pattern of indent in roll surface, and this roll surface pattern is by being much easy to fracture
It is formed with the spike of abrasion, directly uses on the machine, will affect roll surface roughness retention property and wear-resisting property.
For this purpose, many steel mills use texturing roller to add the technique for plating hard chrome again in recent years, to improve the rolling tonnage of texturing roller, but
Novel high-strength, alloying coating cold-rolled products production in, there are still roughness decaying, and very fast, pattern keeps bad, roller
The problems such as print, color difference, in order to ensure the surface quality of strip, it has to frequent roll change, and roughness decaying is exactly to lead to roll change
A main cause.In addition, the texturing roller of EDT is in strip steel specification handoff procedure, roll surface and steel edge portion contact site by
Width print is generated in concentrated wear, to ensure plate face roughness and pattern quality, need to strictly limit specification switching and rolling meter
Length is drawn, this directly affects the arrangement of production plan, cannot achieve free regulation rolling.
Someone is by the way of mutually rotating crush and grind for the roll after 1 pair of texturing in the prior art, by the point of texturing
Peak polishing, disadvantage is also evident from, because roll surface directly squeezes, spike is be easy to cause to fall off, and secondly extruding force is uneven, respectively
The polishing effect at position causes the plate face obtained when machine rolls on roll uneven, pattern quality there is also non-uniform phenomenon
Difference.
Summary of the invention
The purpose of the present invention is to provide a kind of roller surface treatment method and the roll processed using this method, with
Solve asking for roll marks occur when gloss level of roll decaying existing in the prior art is fast, homogeneity is poor, pattern keeps bad, rolls
Topic.
In order to solve the above technical problems, technical solution provided by the invention is as follows:
A kind of roller surface treatment method is polished directly the roller surface after texturing using polissoir, specifically
Operating procedure are as follows:
Step 1: the roll after texturing is mounted on polissoir；
Step 2: specified press pressure of the abrasive sand with revolving speed, compression roller on polissoir is adjusted, the cross of roll is set
Move speed, revolving speed；
Step 3: the circle bounce of roll is tuned up, then roll surface is polished using polissoir, polishing process
Middle addition coolant liquid after completing this time polishing, carries out roughness measurement to roll surface.
Step 4: repeating step 3 and carry out multiple polishing operation to roll surface, until meet regulation roughness, wherein different shaped
Number roll its roughness standards it is different, generally with after polishing, the roughness of roller surface reduces 0.5 micron as mark
It is quasi-.
Preferably, the roll after the texturing is the roll after EDT texturing.
Preferably, the compression roller of the polissoir is rubber rollers.
Preferably, the grains of sand specification of the abrasive sand band on the polissoir is 5-20 microns, and wherein belt-sanding is advised
The selection of lattice does not cause technical solution of the present invention great influence, for those skilled in the art, the model
It is selected for realizing the technical scheme is that obvious in enclosing.
Preferably, the abrasive sand band specification is 9 microns.
Preferably, the specified press pressure of the polishing machine is 5-20psi, and abrasive band revolving speed is 5-250 mm/min, is rolled
The transverse moving speed of roller is 100-300 mm/min, and revolving speed is 50-100 revs/min, the tune-up range of the circle bounce of the roll
To be less than or equal to 0.05 millimeter greater than 0, wherein the selection of above parameter range does not cause technical solution of the present invention weight
Big influence, for those skilled in the art, the parameter within the scope of this are selected for realizing technical solution of the present invention
It is obvious.
Preferably, the coolant liquid is emulsion.
The present invention also provides a kind of rolls processed using the above method, including the body of roll, which is characterized in that will roll
Roller, using the method for above-mentioned grinding and polishing, is thrown after EDT texturing using surface of the polissoir to the body of roll of roll
Light, polishing so that roller surface microstructure it is original sharp mountain peak it is rounder and more smooth, flat, the roughness skew value of roller surface
(Rsk value) forms one layer of wear-resistant friction layer to increase the antiwear property of roller surface significantly for negative value.
Compared with prior art, have following of the present invention the utility model has the advantages that
The roller surface treatment method that the present invention uses, it is easy to operate, and also the roll after polishing, surface microscopic
Structure becomes rounder and more smooth, flat by original sharp mountain peak, and high negative Rsk value is presented, and the antiwear property of roller surface obtains
To significantly increasing, effective solution gloss level of roll existing in the prior art is decayed fast problem, and gloss level of roll
Holding solved simultaneously so that its homogeneity of the rolling product of machine is significantly improved compared with prior art on roll
There is the problem of roll marks when rolled products pattern keeps bad, rolls in the prior art.
Detailed description of the invention
Fig. 1 is the Rsk value contrast schematic diagram of polishing front and back working roll 575# roll surface；
Fig. 2 is the Rsk value contrast schematic diagram of polishing front and back working roll 576# roll surface；
Fig. 3 is working roll 575# roll surface Ra value contrast schematic diagram before and after upper machine；
Fig. 4 is working roll 576# roll surface Ra value contrast schematic diagram before and after upper machine；
Fig. 5 is the structural schematic diagram of roll provided in an embodiment of the present invention.
In Fig. 5,1- roll neck, 2- bearing guard roll neck, the 3- body of roll.
Specific embodiment
Roller surface treatment method proposed by the present invention and its roll are made into one below in conjunction with the drawings and specific embodiments
Step is described in detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.
This, as object, is passed through EDT to working roll using a pair of 2030CVC working roll 575/576# by the embodiment of the present invention
After texturing, the Rsk value on roll barrel surface is measured.Then this handles roller surface, using polissoir to roll
Surface is polished directly.
The concrete operation step of polishing are as follows:
Step 1: the roll after texturing is mounted on polissoir；
Step 2: specified press pressure of the abrasive sand with revolving speed, compression roller on polissoir is adjusted, the cross of roll is set
Move speed, revolving speed；
Step 3: the circle bounce of roll is tuned up, then roll surface is polished using polissoir, polishing process
Middle addition coolant liquid after completing this time polishing, carries out roughness measurement to roll surface.
Step 4: it repeats step 3 and multiple polishing operation is carried out to roll surface, until meeting regulation roughness.
Preferably, the compression roller of the polissoir is rubber rollers, reduces the direct friction power with roll, prevents roll
The spike of roll surface directly falls off.
Preferably, the abrasive sand band specification is 9 microns.
Preferably, the specified press pressure of the polissoir is 12psi, and abrasive band revolving speed is 80 mm/mins, roll
Transverse moving speed is 190 mm/mins, and revolving speed is 63 revs/min, and the tune-up of the circle bounce of roll is 0.03 millimeter.
Preferably, the coolant liquid is emulsion, can effectively keep the cleaning of roll surface in process, and have
Good lubricating action.
After this completes grinding and polishing process to working roll, then the Rsk value of roll surface is measured respectively, and it is not polished
Rsk value compares, and result is as depicted in figs. 1 and 2.Wherein pass0 is Rsk value before polishing, and pass1 is Rsk value after polishing,
It is shown according to measurement result, after grinding and polishing, the Rsk value of a pair roller is changed by original 0.017/0.144 respectively-
0.276/-0.363。
Existing research shows that influence gloss level of roll retention property and a key factor in work roll cooling period are exactly
Rsk value.Because roll after EDT texturing, there is sharp, high mountain peak, the construction is so that roll surface is in positive Rsk value.With it is negative
Rsk value (plateau for having the more peace of circle) is compared, and can wear significantly faster, and high negative Rsk value can dramatically increase
The antiwear property of roller surface.As can be seen that the Rsk value of two rolls is changed into negative value by positive value after polishing, that is, polish
Afterwards, the spike of roller surface becomes rounder and more smooth, and antiwear property is enhanced.
Above-mentioned 1 after grinding and polishing pair roll is measured to the roughness Ra value of roll surface respectively, then upper machine rolling
The thin material of 1835T/178km east wind willow vapour, and measure the roughness Ra value of 2 roller surfaces after upper machine, and it is coarse before upper machine
Angle value compares, as a result as shown in Figure 3 and Figure 4.
Shown according to measurement result, this to roll by upper machine rolling after, roughness Ra value decline respectively 0.13 μm and
0.02 μm, and according to the prior art indicate that, the directly upper machine rolling of the roll without grinding and polishing processing, roughness is fallen to
0.5-1 μm, therefore roll, after above method grinding and polishing, surface roughness performance is kept well, effectively
Solve the problems, such as in the prior art roughness decline it is fast and thus caused by product homogeneity is poor, pattern keeps bad.
Meanwhile by after the roll rolled products handled using above-mentioned abrasive polishing method, the abrasion of its roller surface is observed
Situation, compared with the roll surface after the roll rolled products without polishing treatment, by grinding and polishing treated roll, roll surface
The small particles that width prints and mountain peaks stress is formed after falling off individually is generated due to concentrated wear with steel edge portion contact site
Phenomenon substantially eliminates, and effective solution the problem of roll marks occurs when rolling in the prior art.
As shown in figure 5, being existed the present invention also provides a kind of using roll made from the above method, including the body of roll, feature
In by roll after EDT texturing, using the method for above-mentioned grinding and polishing, using polissoir to the surface of the body of roll of roll
It is polished, so that the sharp mountain peak of roller surface microstructure originally is rounder and more smooth, flat, roller surface presents negative for polishing
Rsk value forms one layer of wear-resistant friction layer to increase the antiwear property of roller surface significantly.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (7)
1. a kind of roller surface treatment method, which is characterized in that ground using polissoir to the roller surface after texturing
Polishing；The concrete operation step of the grinding and polishing are as follows:
Step 1: the roll after texturing is mounted on polissoir；
Step 2: specified press pressure of the abrasive sand with revolving speed, compression roller on polissoir is adjusted, the traversing speed of roll is set
Degree, revolving speed；
Step 3: the circle bounce of roll is tuned up, then roll surface is polished using polissoir, is added in polishing process
Enter coolant liquid, after completing stock removal polishing, roughness measurement is carried out to roll surface；
Step 4: repeating step 3 and carry out multiple polishing operation to roll surface, until roll surface meets regulation roughness；
Wherein, body surface passes through grinding and polishing, forms a wear-resistant friction layer, and the roughness skew on surface is negative value.
2. a kind of roller surface treatment method according to claim 1, which is characterized in that the roll after the texturing is warp
Roll after crossing EDT texturing.
3. a kind of roller surface treatment method according to claim 2, which is characterized in that the extruding of the polissoir
Roller is rubber rollers.
4. a kind of roller surface treatment method according to claim 2, which is characterized in that grinding on the polissoir
The grains of sand specification of frosted tape is 5-20 microns.
5. a kind of roller surface treatment method according to claim 4, which is characterized in that the grains of sand of the abrasive sand band are advised
Lattice are 9 microns.
6. a kind of roller surface treatment method according to claim 2, which is characterized in that the specified pressing of the polishing machine
Pressure is 5-20psi, and abrasive band revolving speed is 5-250 mm/min, and the transverse moving speed of roll is 100-300 mm/min, revolving speed
Be 50-100 revs/min, the roll circle bounce tune-up range be greater than 0, and be less than or equal to 0.05 millimeter.
7. a kind of roller surface treatment method according to claim 2, which is characterized in that the coolant liquid is emulsification
Liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510326001.XA CN106269884B (en) | 2015-06-12 | 2015-06-12 | A kind of roller surface treatment method and its roll |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510326001.XA CN106269884B (en) | 2015-06-12 | 2015-06-12 | A kind of roller surface treatment method and its roll |
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| CN106269884A CN106269884A (en) | 2017-01-04 |
| CN106269884B true CN106269884B (en) | 2019-03-29 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309712A (en) * | 2017-06-29 | 2017-11-03 | 太仓市钧胜轧辊有限公司 | A kind of processing of surface polishing of roll |
| CN107214191B (en) * | 2017-07-20 | 2019-04-30 | 攀钢集团西昌钢钒有限公司 | A kind of roughing production method |
| CN107900106B (en) * | 2017-10-16 | 2019-07-30 | 首钢集团有限公司 | A method of improving lvanized cold rolled strip uncoiling oil film uniformity |
| CN109848215B (en) * | 2018-12-14 | 2020-06-16 | 洛阳双瑞精铸钛业有限公司 | Method for protecting working roll and preventing roll mark of cold-rolled titanium strip coil |
| CN109514012B (en) * | 2019-01-15 | 2020-10-30 | 江阴润源机械有限公司 | Surface passivation system for prolonging service life of EDT (electric discharge machining) textured cold roll |
| CN110871344A (en) * | 2019-11-13 | 2020-03-10 | 永卓防务科技有限公司 | Roller surface treatment method |
| CN115532838B (en) * | 2022-10-09 | 2023-11-21 | 江苏锦航机械制造有限公司 | Roller with crack filling structure and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402606A (en) * | 1994-03-04 | 1995-04-04 | Voith Sulzer Paper Technology North America, Inc. | Roll grinder |
| CN1614071A (en) * | 2004-09-16 | 2005-05-11 | 仪征市福兴科技发展有限公司 | Production of high-strength corrosive proof roller |
| CN1652897A (en) * | 2002-04-11 | 2005-08-10 | 圣戈本磨料股份有限公司 | Method of roll grinding |
| CN1733960A (en) * | 2004-08-12 | 2006-02-15 | 宁波宝新不锈钢有限公司 | Roller for polishing bright sheet and its production method |
| CN103419137A (en) * | 2012-05-25 | 2013-12-04 | 宝山钢铁股份有限公司 | Roller surface strengthening and roughness controlling method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2535907B2 (en) * | 1987-05-21 | 1996-09-18 | 石川島播磨重工業株式会社 | Roll surface processing method |
-
2015
- 2015-06-12 CN CN201510326001.XA patent/CN106269884B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402606A (en) * | 1994-03-04 | 1995-04-04 | Voith Sulzer Paper Technology North America, Inc. | Roll grinder |
| CN1652897A (en) * | 2002-04-11 | 2005-08-10 | 圣戈本磨料股份有限公司 | Method of roll grinding |
| CN1733960A (en) * | 2004-08-12 | 2006-02-15 | 宁波宝新不锈钢有限公司 | Roller for polishing bright sheet and its production method |
| CN1614071A (en) * | 2004-09-16 | 2005-05-11 | 仪征市福兴科技发展有限公司 | Production of high-strength corrosive proof roller |
| CN103419137A (en) * | 2012-05-25 | 2013-12-04 | 宝山钢铁股份有限公司 | Roller surface strengthening and roughness controlling method |
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| CN106269884A (en) | 2017-01-04 |
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