CN109434675A - A kind of essence throws cotton and preparation method thereof - Google Patents
A kind of essence throws cotton and preparation method thereof Download PDFInfo
- Publication number
- CN109434675A CN109434675A CN201811564755.9A CN201811564755A CN109434675A CN 109434675 A CN109434675 A CN 109434675A CN 201811564755 A CN201811564755 A CN 201811564755A CN 109434675 A CN109434675 A CN 109434675A
- Authority
- CN
- China
- Prior art keywords
- grinding
- layer
- resin matrix
- essence
- cotton
- 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.)
- Pending
Links
- 229920000742 Cotton Polymers 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000000227 grinding Methods 0.000 claims abstract description 215
- 239000010410 layer Substances 0.000 claims abstract description 110
- 239000004744 fabric Substances 0.000 claims abstract description 105
- 239000011159 matrix material Substances 0.000 claims abstract description 48
- 229920005989 resin Polymers 0.000 claims abstract description 47
- 239000011347 resin Substances 0.000 claims abstract description 47
- 239000012790 adhesive layer Substances 0.000 claims abstract description 31
- 238000004513 sizing Methods 0.000 claims abstract description 27
- 239000003082 abrasive agent Substances 0.000 claims abstract description 22
- 238000005498 polishing Methods 0.000 claims abstract description 16
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 43
- 239000003795 chemical substances by application Substances 0.000 claims description 41
- 239000006061 abrasive grain Substances 0.000 claims description 39
- 239000012530 fluid Substances 0.000 claims description 37
- 239000003292 glue Substances 0.000 claims description 36
- 239000004576 sand Substances 0.000 claims description 36
- 239000002994 raw material Substances 0.000 claims description 23
- 239000002518 antifoaming agent Substances 0.000 claims description 21
- 239000002270 dispersing agent Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 239000011265 semifinished product Substances 0.000 claims description 10
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 5
- 150000008064 anhydrides Chemical class 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 238000011085 pressure filtration Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 8
- 239000002318 adhesion promoter Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 229920005749 polyurethane resin Polymers 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 229920001021 polysulfide Polymers 0.000 description 2
- 239000005077 polysulfide Substances 0.000 description 2
- 150000008117 polysulfides Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/001—Manufacture of flexible abrasive materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/02—Backings, e.g. foils, webs, mesh fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/001—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as supporting member
- B24D3/002—Flexible supporting members, e.g. paper, woven, plastic materials
- B24D3/004—Flexible supporting members, e.g. paper, woven, plastic materials with special coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/285—Reaction products obtained from aldehydes or ketones
Abstract
The present invention relates to grinding tool technical fields, cotton and preparation method thereof is thrown more particularly to a kind of essence, its structure includes successively compound spongy layer, base cloth layer and grinding layer, the base cloth layer is equipped with the adhesive layer for increasing the adhesive force between base cloth layer and grinding layer close to the side of grinding layer, the grinding layer includes resin matrix, the multiple main grinding units and multiple auxiliary grinding units for assisting main grinding unit to be polished directly for grinding and polishing being adhered on resin matrix, the main grinding unit is tapered, the upper surface of the tip protrusion resin matrix of the main grinding unit, the end of the main grinding unit protrusion resin matrix is higher than the end of the auxiliary grinding unit protrusion resin matrix, the base cloth layer is interwoven by a plurality of warp and a plurality of weft, the warp includes multiple sizing portions above weft, it is described viscous It ties layer to be set in sizing portion, the grinding layer is set on adhesive layer, and abrasive material depletion rate is slow when grinding, and grinding polishing effect is good.
Description
Technical field
The present invention relates to grinding tool technical fields, and in particular to a kind of essence throws cotton and preparation method thereof.
Background technique
Currently, the processing enterprises such as most domestic glass, ceramics are existed using traditional free abrasive grinding technics
Free abrasive is added in cooling water to be ground, that there are stability is poor for this lapping mode, stock-removing efficiency is low, converted products non-defective unit
The problems such as rate is low and subsequent processing operations are difficult.In order to solve above-mentioned technical problem, the prior art is by by abrasive material and knot
Mixture is coated on being made grinding pad, but being ground using existing grinding pad on non-woven fabrics when, the abrasive material on grinding pad disappears
It is fast to consume speed, makes abrasive wear rust, for the product surface after grinding there are more scratch, grinding polishing effect is poor.
Summary of the invention
In order to overcome shortcoming and defect existing in the prior art, the first object of the present invention is to provide a kind of essence throwing
Cotton has the function that processing is polished directly to product surface, and abrasive material depletion rate is slow, and grinding polishing effect is good.
The second object of the present invention is to provide the preparation method that a kind of essence throws cotton, and essence obtained, which throws cotton, to be had to product table
Face is polished directly the function of processing, and the abrasive material depletion rate that essence obtained throws cotton is slow, and grinding polishing effect is good.
The first object of the present invention is achieved through the following technical solutions: a kind of essence throwing cotton comprising successively compound sponge
Layer, base cloth layer and grinding layer, the base cloth layer are equipped with close to the side of grinding layer for increasing between base cloth layer and grinding layer
The adhesive layer of adhesive force, the grinding layer includes resin matrix, multiple masters for grinding and polishing for being adhered on resin matrix
Grinding unit and multiple auxiliary grinding units for assisting main grinding unit to be polished directly, the base cloth layer is by a plurality of warp
It is interwoven with a plurality of weft, the warp includes multiple sizing portions above weft, and the adhesive layer is set to sizing portion
On, the grinding layer is set on adhesive layer.
Essence of the invention throws cotton by the way that main grinding unit and auxiliary grinding unit is arranged simultaneously on base cloth layer, grinds Shi Fuyan
Mill unit not only can assist main grinding unit to be ground, and reduce the loss rate of main grinding unit, make main grinding unit
Tip is not susceptible to be passivated, and improves the grinding and polishing precision that essence throws cotton, the workpiece surface after making grinding is less prone to scratch, auxiliary to grind
Mill unit also plays a supportive role to main grinding unit, is not easy main grinding unit during the work time because discontinuity occurs
The phenomenon that falling off or tilting effectively extends essence and throws cotton grinding and polishing precision and service life.
By the way that adhesive layer is arranged close to the surface of grinding layer in base cloth layer, adhesive layer improves the attachment of base fabric layer surface
Power is tightly combined base cloth layer and grinding layer, makes main grinding unit and auxiliary grinding unit on grinding layer be not susceptible to fall off, mentions
The high smart grinding and polishing service life for throwing cotton.Base cloth layer is interwoven by warp and weft, the intertwined point between warp and weft
There are micropores, and then base cloth layer is made integrally to there are multiple micropores, and there is also multiple micropores on the spongy layer being connect with base cloth layer,
Adhesive layer is set to the sizing portion on warp, without being set on weft, it is ensured that essence obtained throws cotton good permeability, base cloth layer
On micropore will not whole grinding layers and adhesive layer to covering, when throwing cotton using essence of the invention and being ground, essence is thrown on cotton
Micropore the fine particle polished can be adsorbed, keep the cleannes of workpiece surface, be more advantageous to workpiece surface into
Row finishing polish.
In addition, the surface after being interweaved due to the warp and weft of base cloth layer can have rough point, by adhesive layer and
Grinding layer is set in sizing portion, it is ensured that essence obtained throws the grinding layer surfacing of cotton, avoids since grinding layer is uneven
And influence the grinding effect that essence throws cotton.
Spongy layer and base cloth layer are subjected to the compound matrix for throwing cotton as essence, keep essence throwing cotton obtained soft and shape can occur
Become, the concavo-convex position of workpiece to be ground can be ground, avoid grinding there is fault-layer-phenomenon, be suitable for it is of various shapes to
Grinding work-piece is ground.
Further, the end of the auxiliary grinding unit protrusion resin matrix upper surface is arc-shaped, the main grinding unit
It is tapered, the upper surface of the tip protrusion resin matrix of the main grinding unit, the main grinding unit protrusion resin matrix
End is higher than the end of the auxiliary grinding unit protrusion resin matrix, and the end of arc forms point with workpiece to be ground in grinding
Contact, can assist main grinding unit to grind workpiece to be ground, improve grinding rate and grinding effect.
Further, two or three main grinding units are equipped between every two adjacent auxiliary grinding units.If
The quantity of main grinding unit and auxiliary grinding unit than it is too small when, the grinding rate that essence throws cotton is low, and grinding effect is poor, and works as main grinding
The quantity of unit and auxiliary grinding unit than it is excessive when, auxiliary grinding unit cannot give main grinding unit enough support forces, and master grinds
The phenomenon that grinding unit, the proportion of goods damageds increase during the grinding process, are easy to happen passivation and fall off, the product after grinding, which is easy to produce, to be drawn
Trace.
The second object of the present invention is achieved through the following technical solutions: a kind of essence throws the preparation method of cotton, the adhesive layer
Solidified by base fabric treatment fluid, the main grinding unit is abrasive grain, and the auxiliary grinding unit is grinding aid particle；
The preparation method that the essence throws cotton includes the following steps:
(1) base fabric Adhesion enhancement is handled, and base fabric treatment fluid is sprayed to the upper surface in the sizing portion of base cloth layer, is then done
It is dry to solidify base fabric treatment fluid, pretreatment base fabric is made；
(2) it prepares glue sand: abrasive grain, grinding aid particle and resin matrix being uniformly mixed, then pressure filtration, is made
Glue sand；
(3) it glues sand: being coated with glue sand made from the surface coating step (2) of base fabric treatment fluid in pretreatment base fabric,
Then dry to solidify glue sand, semi-finished product are made；
(4) semi-finished product are adhered on spongy layer close to base cloth layer side, essence is made and throws cotton.
Wherein, the base fabric treatment fluid includes the raw material of following parts by weight:
It is mixed by using the raw material of above-mentioned parts by weight, base fabric treatment fluid obtained can effectively improve base cloth layer
Adhesion property makes base cloth layer and resin matrix, abrasive grain and grinding aid particle combine closely, abrasive grain and grinding aid particle
It is not susceptible to obscission.
Wherein, the modified polyurethane is epoxy resin modification polyurethane.The adhesive property of epoxy resin modification polyurethane
It is good with adhesion property, it is used for production base fabric treatment fluid and is more advantageous to the adhesion property improved between base fabric and grinding layer, make
The resin matrix of base cloth layer and grinding layer, abrasive grain and grinding aid particle combine more closely, are more advantageous to extension essence and throw
The service life of cotton.
The curing agent is TDI curing agent, and TDI curing agent effectively improves the curing rate of base fabric treatment fluid, and with it is other
The compatibility of each material component is good.
The flexibilizing agent is at least one of polysulfide rubber, polyimides, nanometer calcium carbonate and nano-titanium dioxide.It adopts
With the flexibilizing agent of mentioned kind, keeps the adhesive layer flexibility after solidifying more preferable, certain bullet can occur under the action of extruding force
Property deformation, avoid due to adhesive layer rigidity and brittleness is excessively high be squeezed when surface be easy to produce crackle cause grinding layer and bonding
Segregation phenomenon occurs for layer, meanwhile, the levelability of base fabric treatment fluid is improved, keeps the tie layer surface after solidifying smooth.
The defoaming agent is defoaming agent 6500, and defoaming agent can inhibit and eliminate when raw material is mixed to generate foam, mention
The compatibility and dispersing uniformity of each raw material in high base fabric treatment fluid, so improve the adhesion property of adhesive layer, flexility and
Shock resistance, on the other hand also can avoid due in base fabric treatment fluid containing bubble make the adhesive layer after solidify occur it is empty or
Depressed phenomenon, which occurs, in surface leads to grinding layer uneven thickness or surface irregularity coated on tie layer surface, influences essence and throws cotton
Grinding effect.Defoaming foam inhibition effect using the defoaming agent of mentioned kind is good, and good with each materials compatibility in base fabric treatment fluid,
Being more advantageous to keeps each stock dispersion uniform, improves the adhesion property of base fabric treatment fluid.Certainly, defoaming agent can also be according to performance needs
Select other kinds of defoaming agent.
The adhesion promoter is ADK adhesion promoter, can effectively improve base fabric treatment fluid and grinding layer to base cloth layer
Adhesion property, and promote the ductility and flexibility of adhesive layer.
The auxiliary rheological agents are auxiliary rheological agents 2810, and the anti-of base fabric treatment fluid can be improved by adding above-mentioned auxiliary rheological agents
Sagging performance keeps tie layer surface smooth, and then improves the surface smoothness of grinding layer, improves grinding effect, on the other hand, on
Dispersibility and the compatibility performance for stating auxiliary rheological agents are good, are conducive to improve the dispersion performance of each material component of base fabric treatment fluid and compatible
Property, the stability of base fabric treatment fluid is improved, adhesive layer is made to be not susceptible to be denaturalized, it is good attached can to guarantee that base cloth layer has for a long time
Performance and flexility.
Wherein, the warp and weft of base cloth layer use at least one of cotton thread, nylon fiber.
Wherein, the resin matrix includes the raw material of following parts by weight:
The parts by weight of the abrasive grain are 150-250 parts, and the parts by weight of the grinding aid particle are 60-80 parts.
The present invention is mixed by using the raw material of above-mentioned parts by weight, is made the abrasive grain of grinding layer obtained and is helped
Abrasive particulate can combine closely with resin matrix, be not susceptible to obscission, and resin matrix obtained has excellent resistance to height
Warm nature energy, adhesive property and mechanical strength, grinding layer can keep stable structure and dimensionally stable during grinding and polishing
Property, it avoids the high temperature generated due to grinding and grinding from being squeezed and deforms.When the weight of abrasive grain and grinding aid particle
Than it is excessive when, essence throw cotton life-cycle decline, when weight ratio is too small, grinding effect is poor, and efficiency is lower.
Wherein, the dispersing agent is at least one of ethylene group bis-stearamides and ethylene-acrylic acid copolymer.On
The dispersing agent dispersion effect for stating type is good, high temperature resistant, be conducive to improve dispersibility between resin matrix, abrasive material and grinding aid and
Levelability.
The antisettling agent is polyethylene glycol of the molecular weight between 10000-2500, is had with each component in resin matrix
There is good compatibility, there is excellent lubricity, moisture retention, dispersibility, cementability, is conducive to improve resin matrix, abrasive material
Dispersibility between particle, grinding aid particle improves the wetability of grinding layer, improves grinding effect, the workpiece table after making grinding
Face glossiness is higher.
The defoaming agent isMF 324 is a kind of block polymer, without organosilicon, mineral oil, molten
Agent and solid chemical compound are a kind of high efficiency liquid defoaming agents, have long-term stability excellent out, resin matrix can be effectively suppressed
Foam when each raw material mixes generates, and improves being uniformly dispersed between each raw material of resin matrix, abrasive grain and grinding aid particle
Property and compatibility.
The abrasive material is at least one of diamond, aluminium oxide, and the grinding aid is aluminium oxide, chromium oxide, iron oxide
At least one of.
Wherein, for the granularity of the abrasive grain between P10000-1000, the partial size of the grinding aid particle is 0.5-
10μm。
When using the abrasive material and grinding aid of above-mentioned granularity, grinding polishing effect is good, and the abrasive grain rate of wear is lower, grinds
The self-sharpening for grinding layer is higher, and cutting force is bigger, and service life is higher, and the workpiece surface glossiness after grinding is more preferable.
Wherein, specific step is as follows when the step (2) prepares glue sand:
S1, abrasive grain and part dispersing agent be mixed and stirred for uniformly, pre-dispersed abrasive material to be made；
S2, by the dispersing agent of phenol-formaldehyde resin modified, defoaming agent, grinding aid particle, anhydride catalyst, antisettling agent and surplus
Be mixed and stirred for uniformly, sizing material being made；
S3, the pre-dispersed abrasive material and the sizing material are uniformly mixed, curing agent is then added and is mixed again, is made
Glue sand.
When preparing glue sand, using the substep method that repeatedly mixing disperses, make abrasive grain, grinding aid particle and other raw materials
Mixing is more evenly.
The mixing speed of the step S1 is 1000-1400r/min.
The mixing speed of the step S2 is 8000-12000r/min.
The beneficial effects of the present invention are:
1, essence of the invention throws cotton by being arranged main grinding unit and auxiliary grinding unit simultaneously on base cloth layer, and when grinding is auxiliary
Grinding unit not only can assist main grinding unit to be ground, and reduce the loss rate of main grinding unit, make main grinding unit
Tip be not susceptible to be passivated, improve essence throw cotton grinding and polishing precision, make grinding after workpiece surface be less prone to scratch, it is auxiliary
Grinding unit also plays a supportive role to main grinding unit, is not easy main grinding unit during the work time because discontinuity goes out
The phenomenon that now falling off or tilt effectively extends essence and throws cotton grinding and polishing precision and service life；
2, by the way that adhesive layer is arranged close to the surface of grinding layer in base cloth layer, adhesive layer improves the attachment of base fabric layer surface
Power is tightly combined base cloth layer and grinding layer, makes main grinding unit and auxiliary grinding unit on grinding layer be not susceptible to fall off, mentions
The high smart grinding and polishing service life for throwing cotton；
3, the surface after being interweaved due to the warp and weft of base cloth layer can have rough point, by adhesive layer and grinding
Layer be set to sizing portion on, it is ensured that it is obtained essence throw cotton grinding layer surfacing, avoid due to grinding layer is uneven and shadow
Ring the grinding effect that essence throws cotton.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the embodiment of the present invention 1；
Fig. 2 is the schematic diagram of the base cloth layer of the embodiment of the present invention 2.
Description of symbols: 1, spongy layer；2, base cloth layer；3, adhesive layer；4, grinding layer；5, main grinding unit；6, auxiliary to grind
Grind unit；7, warp；8, weft；9, sizing portion.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to examples and drawings
Bright, the content that embodiment refers to not is limitation of the invention.
Embodiment 1
A kind of essence throwing cotton, as depicted in figs. 1 and 2 comprising successively compound spongy layer 1, base cloth layer 2 and grinding layer 4, institute
It states base cloth layer 2 and is equipped with adhesive layer 3 for increasing the adhesive force between base cloth layer 2 and grinding layer 4 close to the side of grinding layer 4,
The grinding layer 4 includes resin matrix, is adhered to main grinding unit 5 for grinding and polishing of multiple on resin matrix and multiple
Auxiliary grinding unit 6 for assisting main grinding unit 5 to be polished directly, the main grinding unit 5 is tapered, the main grinding
The upper surface of the tip protrusion resin matrix of unit 5, the end that the main grinding unit 5 protrudes resin matrix are higher than described auxiliary grind
The end that unit 6 protrudes resin matrix is ground, the base cloth layer 2 is interwoven by a plurality of warp 7 and a plurality of weft 8, the warp 7
Multiple sizing portions 9 including being set to 8 top of weft, the adhesive layer 3 are set in sizing portion 9, and the grinding layer 4 is set to adhesive layer
On 3.
Specifically, the warp 7 and weft 8 are nylon fiber.The auxiliary grinding unit 6 protrudes resin matrix upper surface
End is arc-shaped.Main grinding unit 5 there are two being set between per two adjacent auxiliary grinding units 6, in other embodiments,
Main grinding unit 5 there are three being set between per two adjacent auxiliary grinding units 6.
Embodiment 2
A kind of essence throws the preparation method of cotton, and the structure that the essence throws cotton is same as Example 1, and the adhesive layer is by base fabric
Reason liquid solidifies, and the main grinding unit is abrasive grain, and the auxiliary grinding unit is grinding aid particle；
The preparation method that the essence throws cotton includes the following steps:
(1) base fabric Adhesion enhancement is handled, and base fabric treatment fluid is sprayed to the upper surface in the sizing portion of base cloth layer, is then done
It is dry to solidify base fabric treatment fluid, pretreatment base fabric is made；
(2) it prepares glue sand: abrasive grain, grinding aid particle and resin matrix being uniformly mixed, then pressure filtration, is made
Glue sand；
(3) it glues sand: being coated with glue sand made from the surface coating step (2) of base fabric treatment fluid in pretreatment base fabric,
Then dry to solidify glue sand, semi-finished product are made；
(4) semi-finished product are adhered on spongy layer close to base cloth layer side, essence is made and throws cotton.
Wherein, the base fabric treatment fluid includes the raw material of following parts by weight:
The component of each raw material in base fabric treatment fluid are as follows: the modified polyurethane resin is epoxy resin modification polyurethane tree
Rouge；The curing agent is TDI curing agent；The flexibilizing agent is that polyimides and nano-titanium dioxide are 1:1.5 group by weight
At mixture；The defoaming agent is defoaming agent 6500；The adhesion promoter is ADK adhesion promoter；The auxiliary rheological agents
For auxiliary rheological agents 2810.
The resin matrix includes the raw material of following parts by weight:
The abrasive grain is diamond, and the parts by weight of the abrasive grain are 200 parts, and the grinding aid particle is oxygen
Change alumina particles, the parts by weight of the grinding aid particle are 70 parts.
Wherein, the granularity of the abrasive grain is P6000, and the partial size of the grinding aid particle is 5 μm.
The concrete component of each raw material in resin matrix are as follows: the dispersing agent is ethylene group bis-stearamides and ethylene-propylene
Acid copolymer is the mixture of 1:1 composition by weight.The antisettling agent is the polyethylene glycol that molecular weight is 6000.It is described to disappear
Infusion isMF 324。
When above-mentioned steps (2) prepare glue sand, the specific mixing step of resin matrix, abrasive material and grinding aid is as follows:
S1, abrasive grain and the dispersing agent of 0.25 parts by weight be mixed and stirred for uniformly, mixing speed 1200r/
Pre-dispersed abrasive material is made in min；
S2, by the dispersing agent of phenol-formaldehyde resin modified, defoaming agent, grinding aid particle, anhydride catalyst, antisettling agent and surplus
Be mixed and stirred for uniformly, sizing material is made controlled at 25 DEG C in mixing speed 10000r/min；
S3, the pre-dispersed abrasive material and the sizing material are uniformly mixed, curing agent are then added and is mixed again,
Stirring rate is 8000r/min, and controlled at 25 DEG C, glue sand is made.
Embodiment 3
A kind of essence throws the preparation method of cotton, and the structure that the essence throws cotton is same as Example 1, and the adhesive layer is by base fabric
Reason liquid solidifies, and the main grinding unit is abrasive grain, and the auxiliary grinding unit is grinding aid particle；
The preparation method that the essence throws cotton includes the following steps:
(1) base fabric Adhesion enhancement is handled, and base fabric treatment fluid is sprayed to the upper surface in the sizing portion of base cloth layer, is then done
It is dry to solidify base fabric treatment fluid, pretreatment base fabric is made；
(2) it prepares glue sand: abrasive grain, grinding aid particle and resin matrix being uniformly mixed, then pressure filtration, is made
Glue sand；
(3) it glues sand: being coated with glue sand made from the surface coating step (2) of base fabric treatment fluid in pretreatment base fabric,
Then dry to solidify glue sand, semi-finished product are made；
(4) semi-finished product are adhered on spongy layer close to base cloth layer side, essence is made and throws cotton.
Wherein, the base fabric treatment fluid includes the raw material of following parts by weight:
The component of each raw material in base fabric treatment fluid are as follows: the modified polyurethane resin is epoxy resin modification polyurethane tree
Rouge；The curing agent is TDI curing agent；The flexibilizing agent is polyimides；The defoaming agent is defoaming agent 6500；The attachment
Promoting agent is ADK adhesion promoter；The auxiliary rheological agents are auxiliary rheological agents 2810.
The resin matrix includes the raw material of following parts by weight:
The abrasive grain is diamond, and the parts by weight of the abrasive grain are 150 parts, and the grinding aid particle is oxygen
Change alumina particles, the parts by weight of the grinding aid particle are 60 parts.
Wherein, the granularity of the abrasive grain is P10000, and the partial size of the grinding aid particle is 0.5 μm.
The concrete component of each raw material in resin matrix are as follows: the dispersing agent is ethylene group bis-stearamides；The anti-precipitating
Agent is the polyethylene glycol that molecular weight is 10000；The defoaming agent isMF 324。
When above-mentioned steps (2) prepare glue sand, the specific mixing step of resin matrix, abrasive material and grinding aid is as follows:
S1, abrasive grain and the dispersing agent of 0.15 parts by weight be mixed and stirred for uniformly, mixing speed 1000r/
Pre-dispersed abrasive material is made in min；
S2, by the dispersing agent of phenol-formaldehyde resin modified, defoaming agent, grinding aid particle, anhydride catalyst, antisettling agent and surplus
Be mixed and stirred for uniformly, sizing material is made controlled at 25 DEG C in mixing speed 8000r/min；
S3, the pre-dispersed abrasive material and the sizing material are uniformly mixed, curing agent is then added and is mixed again, stirs
Rate is 12000r/min, and controlled at 25 DEG C, glue sand is made.
Embodiment 4
A kind of essence throws the preparation method of cotton, and the structure that the essence throws cotton is same as Example 1, and the adhesive layer is by base fabric
Reason liquid solidifies, and the main grinding unit is abrasive grain, and the auxiliary grinding unit is grinding aid particle；
The preparation method that the essence throws cotton includes the following steps:
(1) base fabric Adhesion enhancement is handled, and base fabric treatment fluid is sprayed to the upper surface in the sizing portion of base cloth layer, is then done
It is dry to solidify base fabric treatment fluid, pretreatment base fabric is made；
(2) it prepares glue sand: abrasive grain, grinding aid particle and resin matrix being uniformly mixed, then pressure filtration, is made
Glue sand；
(3) it glues sand: being coated with glue sand made from the surface coating step (2) of base fabric treatment fluid in pretreatment base fabric,
Then dry to solidify glue sand, semi-finished product are made；
(4) semi-finished product are adhered on spongy layer close to base cloth layer side, essence is made and throws cotton.
Wherein, the base fabric treatment fluid includes the raw material of following parts by weight:
The component of each raw material in base fabric treatment fluid are as follows: the modified polyurethane resin is epoxy resin modification polyurethane tree
Rouge；The curing agent is TDI curing agent；The flexibilizing agent is polysulfide rubber；The defoaming agent is defoaming agent 6500；The attachment
Promoting agent is ADK adhesion promoter；The auxiliary rheological agents are auxiliary rheological agents 2810.
The resin matrix includes the raw material of following parts by weight:
The abrasive grain is diamond, and the parts by weight of the abrasive grain are 250 parts, and the grinding aid particle is oxygen
Change alumina particles, the parts by weight of the grinding aid particle are 80 parts.
Wherein, the granularity of the abrasive grain is P1000, and the partial size of the grinding aid particle is 10 μm.
The concrete component of each raw material in resin matrix are as follows: the dispersing agent is ethylene-acrylic acid copolymer；It is described anti-settling
Shallow lake agent is the polyethylene glycol that molecular weight is 2500；The defoaming agent isMF 324。
When above-mentioned steps (2) prepare glue sand, the specific mixing step of resin matrix, abrasive material and grinding aid is as follows:
S1, abrasive grain and the dispersing agent of 0.35 parts by weight be mixed and stirred for uniformly, mixing speed 1400r/
Pre-dispersed abrasive material is made in min；
S2, by the dispersing agent of phenol-formaldehyde resin modified, defoaming agent, grinding aid particle, anhydride catalyst, antisettling agent and surplus
Be mixed and stirred for uniformly, sizing material is made controlled at 25 DEG C in mixing speed 12000r/min；
S3, the pre-dispersed abrasive material and the sizing material are uniformly mixed, curing agent is then added and is mixed again, stirs
Rate is 8000r/min, and controlled at 25 DEG C, glue sand is made.
Embodiment 5
Embodiment 5 and the difference of embodiment 2 are that the granularity of the abrasive grain of embodiment 5 is p500, grinding aid particle
Partial size is 15 μm.
Embodiment 6
Embodiment 6 and the difference of embodiment 2 are that the granularity of the abrasive grain of embodiment 6 is p11000, grinding aid particle
Partial size be 0.2 μm.
Comparative example 1
It does not include auxiliary grinding unit that the difference of comparative example 1 and embodiment 2, which is that the essence of comparative example 1 throws the structure of cotton,.
Performance test
Essence made from testing example 2-6 and comparative example 1 throws the average cutting force and service life of cotton, and result is recorded
In table 1.
Essence made from 1 embodiment 1-6 of table and comparative example 1 throws the average cutting force and lifetime results summary sheet of cotton
When being ground using the throwing cotton of essence made from embodiment 2-4 to workpiece, workpiece surface is implemented substantially without scratch
The cutting force that essence made from example 2 throws cotton is 17 μm/min, service life 200min, and cutting force and service life are preferable.It will be real
Example 5, embodiment 6 and the comparison of embodiment 2 are applied it is found that when granularity of abrasive grain and the excessive or too small partial size of grinding aid particle is equal
It will affect cutting force and service life, and when comparative example 1 is not provided with auxiliary grinding unit (i.e. grinding aid particle), essence throws cutting for cotton
It cuts power and service life declines to a great extent, therefore, auxiliary grinding unit can effectively improve the cutting force and service life that essence throws cotton.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart under the premise of present inventive concept it is any obviously replace it is within the scope of the present invention.
Claims (10)
1. a kind of essence throws cotton, it is characterised in that: including successively compound spongy layer, base cloth layer and grinding layer, the base cloth layer is leaned on
The side of nearly grinding layer is equipped with the adhesive layer for increasing the adhesive force between base cloth layer and grinding layer, and the grinding layer includes tree
Aliphatic radical body is adhered to main grinding unit for grinding and polishing of multiple on resin matrix and multiple for assisting main grinding unit
The auxiliary grinding unit being polished directly, the base cloth layer are interwoven by a plurality of warp and a plurality of weft, and the warp includes
Multiple sizing portions above weft, the adhesive layer are set in sizing portion, and the grinding layer is set on adhesive layer.
2. a kind of essence according to claim 1 throws cotton, it is characterised in that: table on the auxiliary grinding unit protrusion resin matrix
The end in face is arc-shaped, and the main grinding unit is tapered, the upper surface of the tip protrusion resin matrix of the main grinding unit,
The end of the main grinding unit protrusion resin matrix is higher than the end of the auxiliary grinding unit protrusion resin matrix.
3. a kind of essence according to claim 1 throws cotton, it is characterised in that: between per two adjacent auxiliary grinding units
Equipped with two or three main grinding units.
4. the preparation method that a kind of essence as claimed in any one of claims 1-3 throws cotton, it is characterised in that: the adhesive layer by
Base fabric treatment fluid solidifies, and the main grinding unit is abrasive grain, and the auxiliary grinding unit is grinding aid particle；
The preparation method that the essence throws cotton includes the following steps:
(1) base fabric Adhesion enhancement is handled, and base fabric treatment fluid is sprayed to the upper surface in the sizing portion of base cloth layer, and then drying makes
Pretreatment base fabric is made in the solidification of base fabric treatment fluid；
(2) it prepares glue sand: abrasive grain, grinding aid particle and resin matrix being uniformly mixed, then pressure filtration, glue is made
Sand；
(3) it glues sand: being coated with glue sand made from the surface coating step (2) of base fabric treatment fluid in pretreatment base fabric, then
It is dry to solidify glue sand, semi-finished product are made；
(4) semi-finished product are adhered on spongy layer close to base cloth layer side, essence is made and throws cotton.
5. the preparation method that a kind of essence according to claim 4 throws cotton, it is characterised in that: the base fabric treatment fluid includes such as
The raw material of lower parts by weight:
6. the preparation method that a kind of essence according to claim 4 throws cotton, it is characterised in that: the resin matrix includes as follows
The raw material of parts by weight:
The parts by weight of the abrasive grain are 150-250 parts, and the parts by weight of the grinding aid particle are 60-80 parts.
7. the preparation method that a kind of essence according to claim 4 throws cotton, it is characterised in that: the granularity of the abrasive grain
Between P10000-1000, the partial size of the grinding aid particle is 0.5-10 μm.
8. the preparation method that a kind of essence according to claim 6 throws cotton, it is characterised in that: the step (2) prepares glue sand
When specific step is as follows:
S1, abrasive grain and part dispersing agent be mixed and stirred for uniformly, pre-dispersed abrasive material to be made；
S2, the dispersing agent of phenol-formaldehyde resin modified, defoaming agent, grinding aid particle, anhydride catalyst, antisettling agent and surplus is carried out
It is mixed and stirred for uniformly, sizing material being made；
S3, the pre-dispersed abrasive material and the sizing material are uniformly mixed, curing agent is then added and is mixed again, glue is made
Sand.
9. the preparation method that a kind of essence according to claim 8 throws cotton, it is characterised in that: the mixing speed of the step S1
For 1000-1400r/min.
10. the preparation method that a kind of essence according to claim 8 throws cotton, it is characterised in that: the stirring speed of the step S2
Degree is 8000-12000r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564755.9A CN109434675A (en) | 2018-12-20 | 2018-12-20 | A kind of essence throws cotton and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564755.9A CN109434675A (en) | 2018-12-20 | 2018-12-20 | A kind of essence throws cotton and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109434675A true CN109434675A (en) | 2019-03-08 |
Family
ID=65559894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811564755.9A Pending CN109434675A (en) | 2018-12-20 | 2018-12-20 | A kind of essence throws cotton and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109434675A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040067529A (en) * | 2003-01-24 | 2004-07-30 | 고려연마공업 주식회사 | A coated abrasive improved an abrasiveness and a roughness |
| CN102581780A (en) * | 2012-03-22 | 2012-07-18 | 厦门致力金刚石科技股份有限公司 | Flexible polishing sheet and production method thereof |
| CN104511846A (en) * | 2013-11-19 | 2015-04-15 | 东莞金太阳研磨股份有限公司 | Film sandpaper production method |
| CN204976386U (en) * | 2015-03-12 | 2016-01-20 | 东莞金太阳研磨股份有限公司 | Flocking abrasive paper |
| CN105415211A (en) * | 2015-12-25 | 2016-03-23 | 江苏锋芒复合材料科技集团有限公司 | Waterproof emery cloth for grinding of car industry and manufacturing method thereof |
| CN106956222A (en) * | 2017-03-17 | 2017-07-18 | 衢州学院 | A kind of mandruka composite diamond grinding pellet of use gum cement and preparation method thereof |
| CN207326778U (en) * | 2017-10-26 | 2018-05-08 | 东莞金太阳研磨股份有限公司 | A kind of 3D grinding tools of sandwich construction |
-
2018
- 2018-12-20 CN CN201811564755.9A patent/CN109434675A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040067529A (en) * | 2003-01-24 | 2004-07-30 | 고려연마공업 주식회사 | A coated abrasive improved an abrasiveness and a roughness |
| CN102581780A (en) * | 2012-03-22 | 2012-07-18 | 厦门致力金刚石科技股份有限公司 | Flexible polishing sheet and production method thereof |
| CN104511846A (en) * | 2013-11-19 | 2015-04-15 | 东莞金太阳研磨股份有限公司 | Film sandpaper production method |
| CN204976386U (en) * | 2015-03-12 | 2016-01-20 | 东莞金太阳研磨股份有限公司 | Flocking abrasive paper |
| CN105415211A (en) * | 2015-12-25 | 2016-03-23 | 江苏锋芒复合材料科技集团有限公司 | Waterproof emery cloth for grinding of car industry and manufacturing method thereof |
| CN106956222A (en) * | 2017-03-17 | 2017-07-18 | 衢州学院 | A kind of mandruka composite diamond grinding pellet of use gum cement and preparation method thereof |
| CN207326778U (en) * | 2017-10-26 | 2018-05-08 | 东莞金太阳研磨股份有限公司 | A kind of 3D grinding tools of sandwich construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103468204B (en) | Comprise the coated abrasive products of aggregate | |
| EP2830829B1 (en) | Abrasive products having fibrillated fibers | |
| JP2559106Y2 (en) | Coarse grains for grinding | |
| US8734205B2 (en) | Rigid or flexible, macro-porous abrasive article | |
| CA2823578C (en) | Coated abrasive aggregates and products containing same | |
| CN110405645A (en) | The super soft coating abrasive cloth of one kind and its manufacturing method | |
| CN101745875A (en) | Grinding tool mixed by abrasives | |
| CN105856089A (en) | Grinding composite body and preparation method thereof | |
| CN108161774A (en) | Grinding pad and its production method | |
| CN108214336A (en) | A kind of wear-resistant tensile abrasive band production technology | |
| MXPA04009955A (en) | Anti-loading treatments. | |
| WO2013106575A1 (en) | Abrasive products and methods for finishing coated surfaces | |
| CN104589203B (en) | Grinding sheet with fluff structure and preparing method thereof | |
| CN206998656U (en) | A kind of multi layer consolidation composite diamond abrasive band | |
| CN105690240A (en) | Flexible polishing pad | |
| CN109434675A (en) | A kind of essence throws cotton and preparation method thereof | |
| KR100794297B1 (en) | Manufactoring process for multi-layer abrasive material | |
| CN109571296B (en) | High-self-sharpening grinding pad | |
| CN112917400A (en) | High-performance composite material precision polishing and grinding abrasive cloth and preparation method thereof | |
| CN110405640A (en) | A kind of staggered floor containing ceramic microcrystalline abrasive material plants the coated abrasive tool and preparation method thereof of sand | |
| CN104139345A (en) | Wear-resisting grinding tool with thin film base and manufacturing method of wear-resisting grinding tool | |
| CN208614588U (en) | A kind of sponge coated abrasive tool of corase grinding fine grinding one | |
| CN111941294A (en) | Grinding wheel for steel rail curved surface grinding vehicle and preparation method thereof | |
| KR100486954B1 (en) | A coated abrasive improved an abrasiveness and a roughness | |
| CN108950453A (en) | Increase the Coating Materials of abrasive surface hardness and increases the method for abrasive surface hardness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No.1 DAHUAN Road, Dalingshan Town, Dongguan City, Guangdong Province 523000 Applicant after: DONGGUAN GOLDEN SUN ABRASIVES Co.,Ltd. Address before: No. 66, DAHUAN Road East, Dalingshan Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN GOLDEN SUN ABRASIVES Co.,Ltd. |
|
| CB02 | Change of applicant information |