CN103406836B - A kind of high accuracy sponge sand and manufacture method thereof - Google Patents
A kind of high accuracy sponge sand and manufacture method thereof Download PDFInfo
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- CN103406836B CN103406836B CN201310323955.6A CN201310323955A CN103406836B CN 103406836 B CN103406836 B CN 103406836B CN 201310323955 A CN201310323955 A CN 201310323955A CN 103406836 B CN103406836 B CN 103406836B
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Abstract
The present invention relates to milling tool technical field, relate in particular to a kind of high accuracy sponge sand and manufacture method thereof, comprise the following steps, choose sponge substrate layer; Modulation abrasive material glue mixture; Choose thin layer, the abrasive material glue mixture blade coating that step 2 is made, on thin layer, makes to form on thin layer an abrasive material glue mixture layer; The thin layer that scribbles abrasive material glue mixture layer to scraping is dried, and makes the glue dries in abrasive material glue mixture layer, and after glue dries, the abrasive material in abrasive material glue mixed layer exposes glue layer surface; Bonding to thin layer after treatment step 4 and described sponge substrate layer, make high accuracy sponge sand finished product; The present invention can be that the ultra-fine abrasive material of 240-2500 object is compounded on sponge substrate and makes high accuracy sponge sand by particle diameter, and this sponge sand not only possesses the function of hyperfine polishing, and abrasive material is smooth smooth, and abrasive material utilization rate is high, long service life.
Description
Technical field
The present invention relates to milling tool technical field, relate in particular to a kind of high accuracy sponge sand and manufacture method thereof.
Background technology
Conventionally coated abrasive tool used can be divided into two large classes at present with base material classification:
1, paper base material: be the most traditional production technology, it is that coated various hard abrasive materials form on paper substrate,The advantage of this series products is: low price, be easy to produce; Shortcoming is: easily tear rotten, pulling force is good not, looseHeat is slow, workpiece to be machined grinding discontinuity, Precision Machining are undesirable;
2, cloth base material: it is that coated various hard abrasive materials form on fabricbase, the key property of this series products andPaper product is close, and advantage is: stretching resistance is large, indeformable, grinding force ratio paper substrate series products strong.
Current product is more and more stricter and derivatives, new class base material article to the precision machined requirement of grinding,Sponge substrate sand paper, is commonly called as sponge sand, and it is taking sponge elastomer as base material, on sponge elastomer, is coated withThat attached one deck abrasive material forms is flexible, elastic force good, rapid heat dissipation, polishing be without the high-grade milling tools of scratch.
Existing sponge sand because the surface of sponge substrate exists sponge foaming hole, is made in the middle of the process of producingThe little abrasive material of the liquid glue of doing to use in process and aperture, size ratio sponge foaming hole can penetrate into sponge and send outIn the middle of abscess, cause the waste of glue and abrasive material, shorten the service life of sponge sand, and abrasive material is in spongeSubstrate surface presents rough phenomenon, at the sponge sand that uses this type of explained hereafter, product is addedWhen work, can cause workpiece to be machined to have the scratch of abrasive material.
The workpiece that especially needs meticulous polishing for some, need to use abrasive size more than 1000 ordersSponge sand, but current sponge sand, be limited by the pore size in sponge foaming hole, and its abrasive size can onlyAccomplish 240 order left and right, seriously restricted the development of meticulous polishing industry, thereby on market, needed a kind of abrasive material badlyThe high accuracy sponge sand of particle diameter more than 1000 orders.
Summary of the invention
The present invention provides a kind of high accuracy sponge sand, the abrasive material glue of this sponge sand for overcoming above-mentioned defectMixture layer is smooth smooth, and abrasive material utilization rate is high, long service life, and also the particle diameter of abrasive material can reach 2500Order, can improve grinding efficiency and improve the precision of processing.
For achieving the above object, the present invention adopts following technical scheme:
A manufacture method for high accuracy sponge sand, comprises following procedure of processing:
Step 1, choose sponge substrate layer;
Step 2, modulation abrasive material glue mixture, the raw material that takes formula ratio is poured in clean container and is stirred;
Step 3, choose thin layer, the abrasive material glue mixture blade coating that step 2 is made, on thin layer, makes thinOn rete, form an abrasive material glue mixture layer;
Step 4, the thin layer that scribbles abrasive material glue mixture layer to scraping are dried, and make abrasive material glue mixture layerIn glue dries; After glue dries, the abrasive material in abrasive material glue mixture layer exposes glue layer surface;Wherein, bake out temperature is 70-120 DEG C, and drying time is 40-80min;
Step 5, bonding to thin layer after treatment step 4 and described sponge substrate layer, make high accuracy sponge sandFinished product.
Wherein, described abrasive material glue mixture comprises following raw material:
Host, host is made up of abrasive material 1-6 part, glue 1-2 part and diluent 2-6 part;
Anti-settling agent is the 2%-5% of the gross weight of host,
Dispersant is the 1%-4% of the gross weight of host,
Levelling agent is the 2%-6% of the gross weight of host.
Further, described abrasive material glue mixture comprises following raw material:
Host, host is made up of abrasive material 2-5 part, 1 part, glue and diluent 3-5 part;
Anti-settling agent is the 2%-4% of the gross weight of host,
Dispersant is the 1%-3% of the gross weight of host,
Levelling agent is the 2%-4% of the gross weight of host.
Wherein, described abrasive material be white fused alumina abrasive material, brown corundum abrasive, silicon carbide abrasive, fused alumina zirconia abrasive material orOne or more mixtures that mix by a certain percentage in glass abrasive material.
Wherein, the particle diameter of described abrasive material is 240-2500 order.
Wherein, described glue is Dongguan China to originate model that fat Co., Ltd manufactures be 909AB-R glue.
Wherein, described sponge substrate layer is that the model that Baoan district of Shenzhen city Dong great sponge factory manufactures is DD-100Sponge substrate layer.
Wherein, described thin layer is elastic hot melten gel thin layer, elastic plastic film layer or TPU thin layer.
Another technical scheme of the present invention is as follows:
The high accuracy sponge sand that utilizes the manufacture method of a kind of high accuracy sponge sand of above technical scheme to manufacture.
Wherein, the thickness of described sponge substrate layer is 3-7 millimeter, and the thickness of described thin layer is 0.08-0.15Millimeter, the thickness of described abrasive material glue mixture layer is 0.05-0.3 millimeter.
Beneficial effect of the present invention is: a kind of high accuracy sponge sand of the present invention, on thin layer, lay abrasive materialAfter glue mixture layer drying and moulding, then the thin layer that is provided with abrasive material glue mixture layer is laid onOn sponge substrate layer, form high accuracy sponge sand; This high accuracy sponge sand has been avoided in liquid glue and abrasive materialThe little abrasive material in aperture in size ratio sponge foaming hole submerges and causes to sponge substrate layer from sponge foaming holeThe waste of glue and abrasive material, and the rough phenomenon of abrasive material; The particle diameter of abrasive material of the present invention is the highestCan reach 2500 orders, the abrasive material on this sponge sand surface is smooth, smooth, and abrasive material utilization rate is high, uses the longevityLife is long, can improve grinding efficiency, and have the function of hyperfine polishing.
Brief description of the drawings
With accompanying drawing, the invention will be further described, but embodiment in accompanying drawing does not form of the present invention anyRestriction.
Fig. 1 is the structural representation of a kind of high accuracy sponge sand of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, and this is better enforcement of the present inventionExample.
Embodiment 1.
The manufacture method of a kind of high accuracy sponge sand of the present embodiment, comprises following procedure of processing:
Step 1, choose sponge substrate layer 1;
Step 2, modulation abrasive material glue mixture, the raw material that takes formula ratio is poured in clean container and is stirred;
Step 3, choose thin layer 2, the abrasive material glue mixture blade coating that step 2 is made on thin layer 2,Make to form on thin layer 2 an abrasive material glue mixture layer 3;
Step 4, the thin layer 2 that scribbles abrasive material glue mixture layer 3 to scraping are dried, and abrasive material glue is mixedGlue dries in thing layer 3; After glue dries, the abrasive material 32 in abrasive material glue mixture layer 3 exposesGlue layer 31 surfaces; Wherein, bake out temperature is 80 DEG C, and drying time is 60min;
Step 5, bonding to thin layer after treatment step 42 and described sponge substrate layer 1, make high accuracy seaContinuous sand finished product.
The described abrasive material glue mixture of the present embodiment comprises following raw material:
Host, host is made up of 4 parts of 4 parts, abrasive material, 1 part, glue and diluents;
Anti-settling agent be host gross weight 3%,
Dispersant be host gross weight 2%,
Levelling agent be host gross weight 3%.
As a preferred technical scheme, the abrasive material of the present embodiment is brown corundum abrasive, and main component is oxygenChange aluminium, have hardness medium, toughness is large, and particle is sharp, and less expensive is applicable to processing tensile strengthHigh workpiece.
As a preferred technical scheme, the particle diameter of the abrasive material of the present embodiment is 2500 orders.
The glue of the present embodiment is Dongguan China to originate model that fat Co., Ltd manufactures be 909AB-R glue.
The sponge substrate layer 1 of the present embodiment is that the model that Baoan district of Shenzhen city Dong great sponge factory manufactures is DD-100Sponge substrate layer.
As a preferred technical scheme, the thin layer 2 of the present embodiment is elastic hot melten gel thin layer, heatMelten gel is a kind of plastic adhesive, and in certain temperature range, its elasticity and Larry are good, and chemicalCharacteristic is constant, and it is nonpoisonous and tasteless, belongs to environmental-protecting chemical product, the elasticity that uses PUR to make for raw materialHot-melt adhesive membrane layer not only has advantages of PUR, and has suitable with sponge substrate layer 1 spring ratioElasticity, this elastic hot melten gel thin layer and sponge substrate layer 1 are bonding closely, difficult drop-off.
A kind of high accuracy sponge sand that utilizes the manufacture method of a kind of high accuracy sponge sand of the present embodiment to manufacture,Comprise sponge substrate layer 1, described sponge substrate layer 1 upper surface is provided with thin layer 2, table on described thin layer 2Face is provided with abrasive material glue mixture layer 3, and described abrasive material glue mixture layer 3 comprises glue layer 31 and abrasive material32, the middle and upper part of described abrasive material 32 exposes described glue layer 31.
Wherein, the thickness of described sponge substrate layer 1 is 7 millimeters, and the thickness of described thin layer 2 is 0.15 millisRice, the thickness of described abrasive material glue mixture layer 3 is 0.05 millimeter.
A kind of high accuracy sponge sand of the present embodiment, working (machining) efficiency is high, is suitable for meticulous polishing.
Confirm through experiment, common sponge sand continuously the time of polishing be 30 minutes, and the present embodiment oneKind of high accuracy sponge sand continuously the time of polishing reach 180 minutes, be the service life of common sponge sand6 times.
Embodiment 2.
The manufacture method of a kind of high accuracy sponge sand of the present embodiment, comprises following procedure of processing:
Step 1, choose sponge substrate layer 1;
Step 2, modulation abrasive material glue mixture, the raw material that takes formula ratio is poured in clean container and is stirred;
Step 3, choose thin layer 2, the abrasive material glue mixture blade coating that step 2 is made on thin layer 2,Make to form on thin layer 2 an abrasive material glue mixture layer 3;
Step 4, the thin layer 2 that scribbles abrasive material glue mixture layer 3 to scraping are dried, and abrasive material glue is mixedGlue dries in thing layer 3; After glue dries, the abrasive material 32 in abrasive material glue mixture layer 3 exposesGlue layer 31 surfaces; Wherein, bake out temperature is 70 DEG C, and drying time is 80min;
Step 5, bonding to thin layer after treatment step 42 and described sponge substrate layer 1, make high accuracy seaContinuous sand finished product.
The described abrasive material glue mixture of the present embodiment comprises following raw material:
Host, host is made up of 3 parts of 2 parts, abrasive material, 1 part, glue and diluents;
Anti-settling agent be host gross weight 2%,
Dispersant be host gross weight 1%,
Levelling agent be host gross weight 2%.
As a preferred technical scheme, the abrasive material of the present embodiment is white fused alumina abrasive material, its hardness a little more thanPalm fibre corundum, but toughness is poor, easily cuts workpiece when grinding, self-sharpening is good, and caloric value is less, grinding capacityBy force, efficiency is high.
As a preferred technical scheme, the particle diameter of the abrasive material of the present embodiment is 1000 orders.
As a preferred technical scheme, the thin layer 2 of the present embodiment is elastic plastic film layer, this bulletProperty plastic film layers has good heat sealer, and the spring ratio of its elasticity and sponge substrate layer 1 is suitable, canTo combine closely with sponge substrate layer 1, difficult drop-off.
The thickness of the sponge substrate layer 1 of the present embodiment is 3 millimeters, and the thickness of described thin layer 2 is 0.08 millisRice, the thickness of described abrasive material glue mixture layer 3 is 0.1 millimeter.
Confirm through experiment, the time of polishing reaches 210 points to a kind of high accuracy sponge sand of the present embodiment continuouslyClock is 7 times of service life of common sponge sand.
The remainder of the present embodiment is identical with embodiment 1, repeats no more here.
Embodiment 3.
The manufacture method of a kind of high accuracy sponge sand of the present embodiment, comprises following procedure of processing:
Step 1, choose sponge substrate layer 1;
Step 2, modulation abrasive material glue mixture, the raw material that takes formula ratio is poured in clean container and is stirred;
Step 3, choose thin layer 2, the abrasive material glue mixture blade coating that step 2 is made on thin layer 2,Make to form on thin layer 2 an abrasive material glue mixture layer 3;
Step 4, the thin layer 2 that scribbles abrasive material glue mixture layer 3 to scraping are dried, and abrasive material glue is mixedGlue dries in thing layer 3; After glue dries, the abrasive material 32 in abrasive material glue mixture layer 3 exposesGlue layer 31 surfaces; Wherein, bake out temperature is 90 DEG C, and drying time is 50min;
Step 5, bonding to thin layer after treatment step 42 and described sponge substrate layer 1, make high accuracy seaContinuous sand finished product.
The described abrasive material glue mixture of the present embodiment comprises following raw material:
Host, host is made up of 5 parts of 5 parts, abrasive material, 1 part, glue and diluents;
Anti-settling agent be host gross weight 4%,
Dispersant be host gross weight 3%,
Levelling agent be host gross weight 4%.
As a preferred technical scheme, the abrasive material of the present embodiment is silicon carbide abrasive, and Main Ingredients and Appearance is carbonSiClx, hardness is large, fragility is large, abrasive particle is sharp, wearability is better, be relatively applicable to the hard crisp metal of processing andNon-metallic products. Be applicable to machinery, electronics, metallic element, five metals, instrument, vapour year accessory, instrument instrumentSurperficial deburring, chamfering, descale and the surface of the industry products such as table, casting, medical treatment, artwork OrnamentPolishing. This abrasive lapping efficiency is high, wear-resisting durable, is not easy hole clipping, and surface brightness is high.
As a preferred technical scheme, the particle diameter of the abrasive material of the present embodiment is 1500 orders.
As a preferred technical scheme, the thin layer 2 of the present embodiment is TPU thin layer. TPU, thermoplasticBased polyurethane elastomer, so-called elastomer refers to that vitrification point is lower than room temperature, elongation at break is greater than 50%,External force is removed the reasonable macromolecular material of rear restoration. Polyurethane elastomer is more special in elastomerOne large class, the hardness range of polyurethane elastomer is very wide, and performance range is very wide, so polyurethane elastomer isBetween a family macromolecule material of rubber and plastics. Can heating plasticizing, in chemical constitution, do not have or seldom crosslinked,Its molecule is linear substantially, but but has certain physical crosslinking. The TPU that utilizes this material to make is thinRete has TPU properties of materials, and with 1 heat seal of sponge substrate layer, connect closely difficult drop-off.
The thickness of the sponge substrate layer 1 of the present embodiment is 4 millimeters, and the thickness of described thin layer 2 is 0.1 millisRice, the thickness of described abrasive material glue mixture layer 3 is 0.15 millimeter.
Confirm through experiment, the time of polishing reaches 210 points to a kind of high accuracy sponge sand of the present embodiment continuouslyClock is 7 times of service life of common sponge sand.
The remainder of the present embodiment is identical with embodiment 1, repeats no more here.
Embodiment 4.
The manufacture method of a kind of high accuracy sponge sand of the present embodiment, comprises following procedure of processing:
Step 1, choose sponge substrate layer 1;
Step 2, modulation abrasive material glue mixture, the raw material that takes formula ratio is poured in clean container and is stirred;
Step 3, choose thin layer 2, the abrasive material glue mixture blade coating that step 2 is made on thin layer 2,Make to form on thin layer 2 an abrasive material glue mixture layer 3;
Step 4, the thin layer 2 that scribbles abrasive material glue mixture layer 3 to scraping are dried, and abrasive material glue is mixedGlue dries in thing layer 3; After glue dries, the abrasive material 32 in abrasive material glue mixture layer 3 exposesGlue layer 31 surfaces; Wherein, bake out temperature is 100 DEG C, and drying time is 40min;
Step 5, bonding to thin layer after treatment step 42 and described sponge substrate layer 1, make high accuracy seaContinuous sand finished product.
The described abrasive material glue mixture of the present embodiment comprises following raw material:
Host, host is made up of 4 parts of 3 parts, abrasive material, 1 part, glue and diluents;
Anti-settling agent be host gross weight 3%,
Dispersant be host gross weight 3%,
Levelling agent be host gross weight 3%.
As a preferred technical scheme, the abrasive material of the present embodiment be white fused alumina abrasive material, brown corundum abrasive andSilicon carbide abrasive is 1: 1: 3 mixture mixing by weight. This abrasive mixture has that hardness is large, toughnessGreatly, sharp, the less expensive of particle, caloric value is less, grinding capacity is strong, efficiency is high, thermal conductivity is goodThe advantage high with abrasion resistance.
As a preferred technical scheme, the particle diameter of the abrasive material of the present embodiment is 500 orders.
The thickness of the sponge substrate layer 1 of the present embodiment is 5 millimeters, and the thickness of described thin layer 2 is 0.13 millisRice, the thickness of described abrasive material glue mixture layer 3 is 0.3 millimeter.
Confirm through experiment, the time of polishing reaches 240 points to a kind of high accuracy sponge sand of the present embodiment continuouslyClock is 8 times of service life of common sponge sand.
The remainder of the present embodiment is identical with embodiment 1, repeats no more here.
Finally it should be noted that above embodiment is only in order to technical scheme of the present invention to be described, but not to thisThe restriction of invention protection domain, although done to explain this area to the present invention with reference to preferred embodimentThose of ordinary skill should be appreciated that and can modify or be equal to replacement technical scheme of the present invention,And do not depart from essence and the scope of technical solution of the present invention.
Claims (8)
1. a manufacture method for high accuracy sponge sand, is characterized in that: comprise following addingWork step is rapid:
Step 1, choose sponge substrate layer;
Step 2, modulation abrasive material glue mixture, the raw material that takes formula ratio is poured in clean containerStir;
Step 3, choose thin layer, the abrasive material glue mixture blade coating that step 2 is made is at thin layerUpper, make to form on thin layer an abrasive material glue mixture layer;
Step 4, the thin layer that scribbles abrasive material glue mixture layer to scraping are dried, and make abrasive material glueGlue dries in mixture layer; After glue dries, the abrasive material in abrasive material glue mixture layerExpose glue layer surface; Wherein, bake out temperature is 70-120 DEG C, and drying time is40-80min；
Step 5, bonding to thin layer after treatment step 4 and described sponge substrate layer, make high-precisionDegree sponge sand finished product;
Wherein, described abrasive material glue mixture comprises following raw material:
Host, host is made up of abrasive material 1-6 part, glue 1-2 part and diluent 2-6 part;
Anti-settling agent is the 2%-5% of the gross weight of host,
Dispersant is the 1%-4% of the gross weight of host,
Levelling agent is the 2%-6% of the gross weight of host;
Wherein, described thin layer is elastic hot melten gel thin layer, elastic plastic film layer or TPU filmLayer.
2. the manufacture method of a kind of high accuracy sponge sand according to claim 1, itsBe characterised in that: described abrasive material glue mixture comprises following raw material:
Host, host is made up of abrasive material 2-5 part, 1 part, glue and diluent 3-5 part;
Anti-settling agent is the 2%-4% of the gross weight of host,
Dispersant is the 1%-3% of the gross weight of host,
Levelling agent is the 2%-4% of the gross weight of host.
3. the manufacture method of a kind of high accuracy sponge sand according to claim 2, itsBe characterised in that: described abrasive material is that white fused alumina abrasive material, brown corundum abrasive, silicon carbide abrasive, zirconium are firmOne or more mixtures that mix by a certain percentage in beautiful abrasive material or glass abrasive material.
4. the manufacture method of a kind of high accuracy sponge sand according to claim 3, itsBe characterised in that: the particle diameter of described abrasive material is 240-2500 order.
5. the manufacture method of a kind of high accuracy sponge sand according to claim 2, itsBe characterised in that: described glue be Dongguan China originate fat Co., Ltd manufacture model be 909AB-RGlue.
6. the manufacture method of a kind of high accuracy sponge sand according to claim 1, itsBe characterised in that: described sponge substrate layer is that the model that Baoan district of Shenzhen city Dong great sponge factory manufactures isThe sponge substrate layer of DD-100.
7. the manufacture of a kind of high accuracy sponge sand as described in claim 1-6 any oneThe high accuracy sponge sand that method is manufactured.
8. a kind of high accuracy sponge sand according to claim 7, is characterized in that:The thickness of described sponge substrate layer is 3-7 millimeter, and the thickness of described thin layer is 0.08-0.15Millimeter, the thickness of described abrasive material glue mixture layer is 0.05-0.3 millimeter.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104924227A (en) * | 2014-03-18 | 2015-09-23 | 江苏锋芒复合材料科技集团有限公司 | Sponge abrasive paper and manufacturing method of same |
| CN105313033A (en) * | 2014-08-05 | 2016-02-10 | 东莞金太阳研磨股份有限公司 | Elastic TPU (Thermoplastic Polyurethane) polishing composite membrane |
| CN105290988B (en) * | 2015-10-23 | 2018-06-22 | 上虞市自远磨具有限公司 | A kind of leather sand paper for curved-surface materials of polishing and preparation method thereof |
| CN105252445A (en) * | 2015-11-20 | 2016-01-20 | 台山市远鹏研磨科技有限公司 | Concave sponge polishing wheel for easy mounting |
| CN106256498A (en) * | 2016-08-31 | 2016-12-28 | 杜赛清 | Abrasive sand serosity and the scouring pad emery cloth preparation method containing this abrasive sand serosity |
| CN107932352A (en) * | 2017-12-13 | 2018-04-20 | 河北思瑞恩新材料科技有限公司 | A kind of soft coated substrate grinding tool and its formula and preparation method |
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Effective date of registration: 20170911 Address after: The 3 District, Dalingshan Town Village 523000 Ai Ling hem in Guangdong province Dongguan City No. 104 Patentee after: Guangdong excellent grinding technology Co., Ltd. Address before: Juanyong 437400 Xianning city of Hubei Province Tongcheng County wide village group Patentee before: Du Saiqing |