CN103846825A - Coated abrasive tool based on fiber substrate sand rope, polishing and grinding wheel and manufacturing method thereof - Google Patents
Coated abrasive tool based on fiber substrate sand rope, polishing and grinding wheel and manufacturing method thereof Download PDFInfo
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- CN103846825A CN103846825A CN201410081279.0A CN201410081279A CN103846825A CN 103846825 A CN103846825 A CN 103846825A CN 201410081279 A CN201410081279 A CN 201410081279A CN 103846825 A CN103846825 A CN 103846825A
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Abstract
The invention discloses a coated abrasive tool based on a fiber substrate sand rope. Fiber substrates containing abrasive grinding materials are twisted into a sand rope and are cured for obtaining the coated abrasive tool. The invention also discloses a polishing and grinding wheel manufactured by the coated abrasive tool based on the fiber substrate sand rope (or fiber substrate sand rope containing chopped fiber). The coated abrasive tool and the polishing and grinding wheel provided by the invention have the advantages that the three-dimension structure and the controllable degree in the processing process are sufficiently utilized for realizing the respective correspondence of different use environment and conditions, so the performance of the adhesive grounding materials and the fiber is sufficiently realized, the polishing and grinding performance is improved, and the use cost is reduced.
Description
Technical field
The present invention relates to a kind of coated abrasive tool and conversion goods thereof, particularly relate to coated abrasive tool and the rubbing down wheel made with the sand rope of fibrous matrix.
Background technology
The various rubbing down grinding tools of current making mainly contain three large classes and have following defect:
1. due to resin wheel---close structure, weak heat-dissipating, oil pressure moulding, dense structure.General resin bond wheel (bonded abrasive tool) is mainly to be formed through mixing, compression molding, heat hardening by abrasive material, resin adhesive, and the use of this class emery wheel exists the defects such as the heating of the cutting force large such as needs, workpiece is serious.Pore in porous grinding wheel (bonded abrasive tool) be generally in cure process by fill can be at the temperature higher than more than 130 degree the filler (as walnut shell, refined naphthalene etc.) of burn off (being carbonization) burn and form.Thereby but natural fiber also can lose efficacy under this operating mode in carbonization.
2. fiber crops wheel---polishing efficiency is low, as (which floor sisal hemp is sewed together, and only has end face to participate in polishing).Chinese patent CN1238254A discloses a kind of sisal fiber polishing wheel, discloses its preparation method to be: adopt needing machine that sisal hemp short fibre is made to felted stock, then by layer 2-4 sisal hemp felted stock through superimposed, be stitched into a kind of sisal fiber polishing wheel.There is following shortcoming in the sisal fiber polishing wheel prepared by this kind of method: one, because used sisal fiber length only has 4-12cm, thereby polishing wheel in use sisal fiber easily come off, shortened the service life of polishing wheel; Two, because of the restriction of needling density, can not guarantee can to combine closely in any position of polishing wheel, thereby also can affect the result of use of polishing wheel.
3. nylon wheel---abrasive material utilization rate is not high, thereby because the low heating of TG of nylon can cause softening causing, abrasive material hold is declined, and just comes off and causes waste so that abrasive material does not fully participate in polishing; Also likely pollute grinding workpiece surface because feeling like jelly simultaneously.
Chinese patent CN200410029879.9 has disclosed a kind of manufacture method of sisal fiber polishing wheel, and it is after the sisal fiber prescinding, synthetic resin and optional other plant and inorganic compound are evenly mixed, are dried, hot-forming.The polishing wheel that this method is produced is owing to being mold pressing but thering is no that material with holes so that total are very fine and close does not have space, thereby easily causes throwing in whole polishing process wheel surface temperature rising bonding agent inefficacy surface blackening, the waste of raw material breaking releasing; Thereby grinding workpiece also can cause greatly the concentrated grinding workpiece surface of also likely polluting of stress by surface temperature rise simultaneously.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of coated abrasive tool based on fibrous matrix sand rope.
Above-mentioned purpose of the present invention is achieved by the following technical solution: a kind of coated abrasive tool based on fibrous matrix sand rope, and turn round and make sand rope curing forming by the fibrous matrix that contains abrasive material.
In the present invention, described " fiber " refers to natural fiber, and nature fiber original or that directly obtain on the plant of cultivation, on the animal of artificial feeding, includes but not limited to string, animal origin, mineral fibres.In concrete example of the present invention, described natural fiber is selected from seed fiber, as cotton, kapok etc.; Or leaf fibre, as sisal hemp, abaca etc.; Or fasciated fiber, as ramie, flax, hemp, jute etc.In another example of the present invention, described natural fiber is selected from hair and silk, such as sheep's wool, goats hair, camel hair, the rabbit hair, yak hair or mulberry silk, tussah silk etc.Natural fiber described in the present invention can also be the recycled fiber of those Mian ﹑ Ma ﹑ Mao ﹑ silks.Described " fiber " can also be artificial fiber, includes but not limited to nylon fiber or glass fibre.In a preferred example, fibrous matrix of the present invention includes but not limited to paper substrate, fabricbase and nonwoven fabric base.
In the present invention, " sand " means abrasive material, and described abrasive material refers to sharp keen, hard, in order to the material of the softer material surface of grinding.Described abrasive material can be natural abrasive, includes but not limited to natural emery, Naxas emery, garnet and natural diamond etc.; Also can be artificial abrasive material, include but not limited to brown corundum abrasive, white fused alumina abrasive material, single alundum abrasive material, black silicon carbide grain, green silicon carbide abrasive material, cubic silicon carbide abrasive material, cerium silicon carbide abrasive material, boron carbide, diamond and cubic boron nitride etc., and the recovery sand of vitrified abrasive, resin wheel etc. etc.
In the present invention, the coated abrasive tool of above-mentioned fibrous matrix sand rope can make by the following method: the emery cloth of semi-cured state or the large volume of sand paper are turned round after making fibrous matrix sand rope and solidified and form through itemize, maybe the large volume of coated abrasive after solidifying is turned round to the fibrous matrix sand rope of making after itemize.
The coated abrasive tool of above-mentioned fibrous matrix sand rope can also make by the following method: fibrous matrix (cloth or paper) is carried out to itemize, and pretreatment, is coated with primer, plants sand, and coated glue is dry, is twisted into fibrous matrix sand rope, solidifies and forms.
The coated abrasive tool of above-mentioned fibrous matrix sand rope can also make by the following method: fibrous matrix (cloth or paper) is carried out to itemize, and pretreatment, buttering, dry, be twisted into fibrous matrix sand rope, solidify and form.
In the present invention, the coated abrasive tool of described fibrous matrix sand rope can also be prepared by the following method: be combined with chopped strand above for two strands or two strands of the fibrous matrix sand rope that said method is made, turn round the fibrous matrix sand rope of making containing chopped strand, again through glue coated, plant sand, solidify and form a kind of transverse fiber matrix sand rope.Described chopped strand, through in fibrous matrix sand rope, forms the shape as test-tube brush, and the angle of chopped strand and fibrous matrix sand rope can be arbitrarily, preferably vertically through fibrous matrix sand rope.This chopped strand can be and the identical material of fiber in fibrous matrix sand rope, can be also unlike material.
Chopped strand of the present invention is to insert by the following method in fibrous matrix sand rope: between two sth. made by twisting of more than two strands or two strands fibrous matrix sand ropes before plying, be arranged with chopped strand, chopped strand moves right together with twisting with the fingers with rope, move to plying place chopped strand and be screwed between two strands or multiply, form the fibrous matrix sand rope containing chopped strand.The chopped strand of arranging is more, and the chopped strand containing in fibrous matrix sand rope is just more.
In fibrous matrix sand rope of the present invention, between fiber and abrasive material, mixed proportion can regulate according to actual needs, change the mixed proportion of fiber (volume ratio 1%-99%) and abrasive material (volume ratio 99%-1%), can obtain different rubbing down effects: in same rubbing down wheel, fiber content is many and abrasive material content is just bound to reduce, and at this moment polishing effect is good; Few and the abrasive material content of fiber content is just bound to increase, and at this moment grinding efficiency is high.Adopt the benefit of fiber to be, the fiber blackout of can not feeling like jelly in the process of grinding; Fiber can strengthen structural strength as reinforcement again simultaneously.
In example of the present invention, the volume ratio of fiber is 80-99%, and the volume ratio of abrasive material is 1-20%, and now rubbing down integrated wheel focuses on polishing effect.Within the scope of this, the volume ratio of fiber can be 80%, 85%, 90%, 95%, 99% etc., and the volume ratio of abrasive material can be 1%, 5%, 8%, 10%, 15%, 20%.
In another instantiation of the present invention, the volume ratio of fiber is 50-80%, and the volume ratio of abrasive material is 20-50%, and now rubbing down integrated wheel is taken into account polishing and ground effect, within the scope of this, the volume ratio of fiber can be 50%, 55%, 60%, 65%, 70%, 75% or 80%; The volume ratio of abrasive material can be 20%, 25%, 30%, 35%, 40%, 45% or 50%.
In another instantiation of the present invention, the volume ratio of fiber is 20-50%, and the volume ratio of abrasive material is 50-80%, and now rubbing down integrated wheel is taken into account polishing and ground effect.Within the scope of this, the volume ratio of abrasive material can be 50%, 55%, 60%, 65%, 70%, 75% or 80%; The volume ratio of fiber can be 20%, 25%, 30%, 35%, 40%, 45% or 50%.
In example of the present invention, the volume ratio of fiber is 1-20%, and the volume ratio of abrasive material is 80-99%, and now rubbing down integrated wheel focuses on ground effect.Within the scope of this, the volume ratio of abrasive material can be 80%, 85%, 90%, 95%, 99% etc., and the volume ratio of fiber can be 1%, 5%, 8%, 10%, 15%, 20%.
Another object of the present invention is to provide a kind of rubbing down wheel of making based on the above-mentioned fibrous matrix sand rope fibrous matrix sand rope of chopped strand (or containing) coated abrasive tool, described rubbing down wheel is by the fibrous matrix sand rope fibrous matrix sand rope of chopped strand (or containing) coated abrasive tool after glue and/or primer are processed, and coiling sizing and solidifying form.
Rubbing down wheel of the present invention can be various version, optionally comprise plane rubbing down wheel, circumference rubbing down wheel, attached handle wheel etc., its midplane rubbing down wheel, circumference rubbing down wheel optionally comprise the back of the body lid or the end cap that are bonded in polish-grinding plate one side, and described back of the body lid or end cap can be glass lid, sisal hemp, metal etc.In a concrete example, described rubbing down wheel can be plane rubbing down wheel, the plane rubbing down wheel, the vertical sanding and polishing emery wheel of making by fibrous matrix sand rope coated abrasive tool section that turn to fibrous matrix sand rope coated abrasive tool, the attached handle rubbing down wheel of using the coiling of fibrous matrix sand rope coated abrasive tool etc. that the rubbing down that fibrous matrix sand rope coated abrasive tool is tangentially wound in is taken turns, made by fibrous matrix sand rope coated abrasive tool section.
In the present invention, described primer and glue are one or more in following material: urea aldehyde and modified resin thereof, phenolic aldehyde and modified resin thereof, epoxy and modified resin thereof, acrylic acid and modified resin or inorganic binder, consumption is the 20-50% of raw material gross mass.
Rubbing down of the present invention wheel also can be directly directly upper around rope stake by fibrous matrix sand rope coated abrasive tool, and by the multiple winding such as horizontal, longitudinal, oblique, last cure under pressure, is prepared into plane rubbing down wheel, circumference rubbing down wheel or attached handle and takes turns.In an instantiation, it is compressing that the fibrous matrix sand rope coated abrasive tool winding toasts 4-6h at 120 ℃.
Beneficial effect of the present invention is: the controllable degree taking full advantage of in this stereochemical structure and process realizes the difference correspondence of different environments for use and condition, thereby gives full play to the performance raising grinding and polishing performance of abrasive material and fiber and reduce use cost.
Accompanying drawing explanation
Fig. 1 is fibrous matrix sand rope coated abrasive tool of the present invention.
Fig. 2 is the fibrous matrix sand rope coated abrasive tool containing chopped strand of the present invention.
Fig. 3 is the fibrous matrix sand rope method for making schematic diagram containing chopped strand of the present invention.
Fig. 4 is the rubbing down wheel that fibrous matrix sand rope of the present invention is tangentially wound in.
Fig. 5 is the sanding and polishing plane mill made from fibrous matrix sand ran of the present invention.
Fig. 6 is the sanding and polishing plane mill turning to fibrous matrix sand cotton rope of the present invention.
Fig. 7 is the vertical mill of sanding and polishing of making by fibrous matrix sand cotton rope section of the present invention.
Fig. 8 is the rubbing down wheel of making by fibrous matrix sand cotton rope section of the present invention.
Fig. 9 is the attached handle rubbing down wheel with the coiling of fibrous matrix sand cotton rope of the present invention.
In figure, 1 is fiber base material; 2 is abrasive material; 3 is binding agent; 4 is fiber base material sand rope; 5 is chopped strand; 6 is fibrous matrix sand rope coated abrasive tool; 7 is back of the body lid; 8 is handle.
The specific embodiment
1, sand rope is made:
1.2 mortars dip: curing emery cloth is dipped by being crafted into the rope mortar preparing after cutting.(mortar is: the liquid liquid phenolic resin 35% of < mass fraction > modification, and abrasive material: 45%, filler: 15%, diluent: 5%, mortar solid content: 75-77%, slurry amount is: 0.7-0.8g on every gram of sisal fiber rope); Then at 80 ± 2 ℃, toast 60min.
1.3 on the sisal fiber rope dipping roller coating one enclose primer (primer be < mass fraction >: the liquid liquid phenolic resin 65% of modification, filler: 35%, glue solid content: 75-77%, glue amount is: 0.7-0.8g on every gram of sisal fiber rope); After roller coating primer, the mode of planting sand with gravity sand rolled be implanted on sisal fiber rope (be coated with sisal fiber rope after primer in sand flow, roll through, until surrounding is planted sand uniformly on sisal fiber rope, sand amount is controlled at: 3-4g on every gram of sisal fiber rope); Then at 80 ± 2 ℃, toast 60min; Then with the multiple glue of air pressure spray gun spraying: (multiple glue is < mass fraction >: the liquid liquid phenolic resin 75% of modification, and filler: 25%, glue amount is: 0.2-0.3g on every gram of sisal fiber rope); Then at 70 ± 2 ℃, toast 30min.
2, the making of circumference emery wheel: (selecting the sisal hemp rope of diameter 2mm) is wrapped in by the route making the sand rope making on mould on 1.3 basis, then puts into die cavity, and pressed sizing is toasted after 4-6h at 120 ℃, comes out of the stove after being slowly down to room temperature, mould unloading.
3, the making of face grinding wheel: (selecting the sisal hemp rope of diameter 5mm) on 1.3 basis, at 120 ℃, toast 4-6h solidify after, after segment, (sand rope is cut into the sand section of long 3mm), pendulum is on mould, cover and drip the cover (can be square, sisal hemp lid, Jiao Gai) that has inner circle glue, after bar pressurization, the mould unloading of coming out of the stove after with pressure solidifying (solidifying 2h at 105 ℃).
4, this test making style is: the face grinding wheel of plane rubbing down: overall diameter is 4 inches (101.6-103mm), and internal diameter is 55mm, and aperture is 16mm, thickness 6-8mm);
The circumference emery wheel of circumference rubbing down: overall diameter is that 10.6 inches of (270mm) apertures are 32mm, thickness 30mm);
Detect and test data contrast:
1, method of testing explanation: this grinding detects material and is: the face grinding wheel of plane rubbing down: 45# steel plate (the thick * 10mm of the wide 100mm* of long 200mm*); The circumference emery wheel of circumference rubbing down: 45# rod iron (long 200mm* diameter * 50mm), under identical grinding condition, (grinding material, rubbing down wheel bear pressure respectively, and rotational line speed (face grinding wheel: 60m/s, circumference emery wheel: 40m/s) is all identical.
2, each index calculating method explanation:
2.1 grinding efficiencies: refer to that the worn amount of material is divided by the grinding time, the g/min of unit.
2.2 grinding ratios: the worn amount of material of exemplar and the ratio of rubbing down foot wheel abrasion amount.
2.3 surface roughnesses: refer to less spacing and small peak valley unevenness that finished surface has, the um of unit.Surface roughness is less, and surface is more smooth.By two-tube light-section microscope mensuration.
Total grinding testing time is 30min, and every 10min is one section, and point three sections of collection data, ask arithmetic mean of instantaneous value.
Table 1
Table 2
Test brief summary:
1, find by table two and the test of circumference emery wheel: the method is the advantage of bonded abrasive tool and coated mould to be concentrated in together to (abrading block of participation grinding or particle have intensity and the toughness of bonded abrasive tool, and whole wheel has again the characteristic of the elasticity grinding of coated mould).
2, obtain with grain number (common corundum) wheel test data comparative analysis with conventional by above sample testing data: the face grinding wheel of the plane rubbing down of making by the method, the circumference emery wheel of circumference rubbing down all improves 20%-30% on polishing performance, grinding performance.
Claims (10)
1. the coated abrasive tool based on fibrous matrix sand rope, is turned round and is made fibrous matrix sand rope by the fibrous matrix that contains abrasive material, and curing forming.
2. coated abrasive tool as claimed in claim 1, described fiber is selected from cotton, kapok, sisal hemp, abaca, ramie, flax, hemp, jute, sheep's wool, goats hair, camel hair, the rabbit hair, yak hair, mulberry silk, recycled fiber, nylon fiber or the glass fibre of tussah silk ， Mian ﹑ Ma ﹑ Mao ﹑ silk.
3. coated abrasive tool as claimed in claim 1 or 2, described abrasive material is selected from the recovery sand of natural emery, Naxas emery, garnet, natural diamond, brown corundum abrasive, white fused alumina abrasive material, single alundum abrasive material, black silicon carbide grain, green silicon carbide abrasive material, cubic silicon carbide abrasive material, cerium silicon carbide abrasive material, boron carbide, diamond, cubic boron nitride or vitrified abrasive, resin wheel.
4. the coated abrasive tool as described in claim 1-3 any one, wherein said fibrous matrix sand rope also contains the chopped strand through wherein.
5. the coated abrasive tool as described in claim 1-4 any one, in described coated abrasive tool, the volume ratio of fiber is 80-99%, the volume ratio of abrasive material is 1-20%; Or the volume ratio of fiber is 50-80%, the volume ratio of abrasive material is 20-50%; Or the volume ratio of fiber is 20-50%, the volume ratio of abrasive material is 50-80%; Or the volume ratio of fiber is 1-20%, the volume ratio of abrasive material is 80-99%.
6. the preparation method of coated abrasive tool described in claim 1-5 any one, comprising:
The emery cloth of semi-cured state or the large volume of sand paper are turned round after making fibrous matrix sand rope and solidified and form through itemize, maybe emery cloth after solidifying or the large volume of sand paper are turned round after itemize after the fibrous matrix sand rope of making and solidified and form;
Or
Fibrous matrix (cloth or paper) is carried out to itemize, and pretreatment, is coated with primer, plants sand, and coated glue is dry, is twisted into fibrous matrix sand rope, solidifies and forms;
Or
Fibrous matrix (cloth or paper) is carried out to itemize, pretreatment, buttering, dry, be twisted into fibrous matrix sand rope, solidify and form.
7. the preparation method of coated abrasive tool as claimed in claim 4, comprising:
By more than two strands of fibrous matrix sand rope or two strands being combined with chopped strand, turn round the fibrous matrix sand rope of making containing chopped strand, then through glue coated, plant sand, solidify and form transverse fiber matrix sand rope coated abrasive tool.
8. the rubbing down wheel based on fibrous matrix sand rope coated abrasive tool is made described in claim 1-5 any one, described rubbing down wheel is by fibrous matrix sand rope coated abrasive tool after glue and/or primer processing, and coiling sizing and solidifying form.
9. rubbing down wheel as claimed in claim 8, described rubbing down wheel is plane rubbing down wheel, circumference rubbing down wheel or attached handle wheel.
10. rubbing down wheel as claimed in claim 8, described glue and/or primer are one or more in following material: urea aldehyde and modified resin thereof, phenolic aldehyde and modified resin thereof, epoxy and modified resin thereof, acrylic acid and modified resin or inorganic binder, consumption is the 20-50% of raw material gross mass.
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| CN201410081279.0A CN103846825A (en) | 2014-03-07 | 2014-03-07 | Coated abrasive tool based on fiber substrate sand rope, polishing and grinding wheel and manufacturing method thereof |
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| CN201410081279.0A CN103846825A (en) | 2014-03-07 | 2014-03-07 | Coated abrasive tool based on fiber substrate sand rope, polishing and grinding wheel and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605235A (en) * | 2018-11-27 | 2019-04-12 | 华侨大学 | A method of polishing pad is woven using consolidated diamond carbon nano-tube fibre |
| CN110877302A (en) * | 2019-12-04 | 2020-03-13 | 东莞市鼎泰鑫电子有限公司 | Scouring pad reinforced organic ceramic grinding tool and preparation method thereof |
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| CN1141015A (en) * | 1994-02-22 | 1997-01-22 | 美国3M公司 | Coated abrasives and methods of making same |
| US20010000838A1 (en) * | 1997-11-28 | 2001-05-10 | Akira Nagata | Resinoid grinding wheel |
| DE102005022221A1 (en) * | 2004-06-28 | 2006-01-12 | Hermes Schleifmittel Gmbh & Co. Kg | Lamellae grinding tool, has lamella extending radially outwards from core, where part of lamellae exhibits fibrous web material that has grinding core and reinforcing strengthening material is connected with fibrous web material |
| CN103084987A (en) * | 2012-11-13 | 2013-05-08 | 谢泽 | Sackcloth-based industrial abrasive band |
| CN103551980A (en) * | 2013-11-08 | 2014-02-05 | 谢泽 | Polishing-grinding integrated wheel containing fiber ropes and abrasive |
| CN103639913A (en) * | 2013-12-03 | 2014-03-19 | 谢泽 | Polishing and grinding wheel based on fiber sand ropes containing chopped fibers and preparation method thereof |
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2014
- 2014-03-07 CN CN201410081279.0A patent/CN103846825A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1141015A (en) * | 1994-02-22 | 1997-01-22 | 美国3M公司 | Coated abrasives and methods of making same |
| US20010000838A1 (en) * | 1997-11-28 | 2001-05-10 | Akira Nagata | Resinoid grinding wheel |
| DE102005022221A1 (en) * | 2004-06-28 | 2006-01-12 | Hermes Schleifmittel Gmbh & Co. Kg | Lamellae grinding tool, has lamella extending radially outwards from core, where part of lamellae exhibits fibrous web material that has grinding core and reinforcing strengthening material is connected with fibrous web material |
| CN103084987A (en) * | 2012-11-13 | 2013-05-08 | 谢泽 | Sackcloth-based industrial abrasive band |
| CN103551980A (en) * | 2013-11-08 | 2014-02-05 | 谢泽 | Polishing-grinding integrated wheel containing fiber ropes and abrasive |
| CN103639913A (en) * | 2013-12-03 | 2014-03-19 | 谢泽 | Polishing and grinding wheel based on fiber sand ropes containing chopped fibers and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605235A (en) * | 2018-11-27 | 2019-04-12 | 华侨大学 | A method of polishing pad is woven using consolidated diamond carbon nano-tube fibre |
| CN110877302A (en) * | 2019-12-04 | 2020-03-13 | 东莞市鼎泰鑫电子有限公司 | Scouring pad reinforced organic ceramic grinding tool and preparation method thereof |
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Application publication date: 20140611 |