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CN103551992A - Polishing wheel containing fiber ropes and foaming agent - Google Patents

Polishing wheel containing fiber ropes and foaming agent Download PDF

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Publication number
CN103551992A
CN103551992A CN201310554366.9A CN201310554366A CN103551992A CN 103551992 A CN103551992 A CN 103551992A CN 201310554366 A CN201310554366 A CN 201310554366A CN 103551992 A CN103551992 A CN 103551992A
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polishing wheel
cordage
polishing
wheel
blowing agent
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CN201310554366.9A
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CN103551992B (en
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谢泽
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Dongguan Dongsheng Emery Cloth Co Ltd
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Abstract

The invention discloses a polishing wheel containing fiber ropes and foaming agent. A polishing disk of the polishing wheel is composed of the fiber ropes, and the fiber ropes are bound together by binder, and contain holes produced by the foaming of the foaming agent. By regulating the proportion between the fiber ropes, the foaming agent and the binder, the polishing effect and grinding efficiency of the polishing wheel can be controlled.

Description

The polishing wheel of a kind of fibre-bearing rope and blowing agent
Technical field
The polishing wheel that the present invention relates to a kind of fibre-bearing rope and blowing agent, belongs to grinding tool field.
Background technology
There is following defect in the various polishing wheels of current making: 1. polishing efficiency is low, as fiber crops wheel (which floor sisal hemp is sewed together, and only has end face to participate in grinding).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.
Chinese patent CN2004 1 0029879.9 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 and thering is no that material with holes so that total are very fine and close does not have space, thereby easily causes emery wheel surface temperature rising bonding agent inefficacy surface blackening in whole grinding process, 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 this invention is to provide a kind of new polishing wheel.
Above-mentioned purpose of the present invention is achieved by the following technical solution: the polishing wheel of a kind of fibre-bearing rope and blowing agent, and the polishing disk of described polishing wheel is comprised of cordage, and binding agent bonds together cordage, and cordage contains the hole that blowing agent foaming produces.
Cordage in the present invention comprises conventional meaning line, the elongated thing that can be tortuous arbitrarily made from silk, cotton, fiber crops, glass fibre: silk thread.Cotton thread.Coil.Wire rod.Cotton rope.Also the rope that comprises conventional meaning, generally has the kinds such as plastic ties, the rope made of hemp, nylon rope, cotton cord.Along with industrial fast development, rope is turned round to knit by before several strands and is become two strands or two strands and turn round and be woven in together above, and material can be used, the fibers such as fiber crops, palm fibre, polypropylene fiber silk, dacron thread, cotton yarn, nylon yarn, glass fiber.
Cordage in the present invention can be common commercially available cordage.
In the present invention, the fiber of described cordage can be 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.; Also 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.In the present invention, the fiber of described cordage can also be artificial fiber, includes but not limited to nylon fiber or glass fibre.
In the present invention, described blowing agent is sodium acid carbonate.The addition of blowing agent is the 1-10% of cordage quality, can be 3%, 4%, 5%, 6%, 8% etc.
In the present invention, not only can dispel the heat but also be from the basis of sharp crazing development in the hole that blowing agent foaming produces, can also reduce not significantly structural strength simultaneously; Foam hole can produce and be conducive to the space of polishing and from sharp crazing and have pooling feature in polishing wheel tissue.This structure polishing wheel forms many hole-closing structures and disperses related stress, on the basis that reduces not significantly structural strength, because foam, to abscess adhesive linkage around, can bring a large amount of micro-cracks, these micro-cracks and bubble are exactly good energy absorption pond when wheel is ground impact force action, thereby have avoided wheel body in polishing process, consume too fast and rupture and drop.After allowing abscess break, form tough mouthful of the polishing that varies in size and distribute at diverse location in polishing process, also be that heat dissipation channel is conducive to reduce wheel itself and grinding workpiece surface temperature simultaneously, thereby improve the service life of wheel, the utilization rate of raising material and minimizing are caused stress to concentrate by throwing surface of the work possibility by carburizing.The effect that the foam hole of controlling by volume brings is that abscess is more, and polishing efficiency is higher, and the temperature rise of being thrown workpiece and polishing wheel surface is fewer.
In the present invention, binding agent can be phenolic resins, urea aldehyde, melamine resin, epoxy resin or inorganic binder etc., also can be phenolic resin modified, the phenolic aldehyde that comprises the modifications such as urea aldehyde, melamine resin, epoxy, acrylic acid, consumption of binder is raw material gross mass 20-50%.
In the present invention, the mass fraction of cordage is 70-99%, and the mass fraction of binding agent is 1-30%.Within the scope of this, the mass fraction of cordage can be 75%, 80%, 85%, 90%, 95%, 99% etc., and the mass fraction of binding agent can be 1%, 5%, 8%, 10%, 15%, 20%, 25%, 30%.All components sum is 100%.
In the present invention, adopt the benefit of cordage to be, the cordage blackout of can not feeling like jelly in the process of grinding; Cordage can strengthen structural strength as reinforcement again simultaneously.
The surface grooves that the favourable part of the present invention is to utilize the stereochemical structure of cordage itself to form is more conducive to grinding, moves back bits and heat radiation, simultaneously for new provides condition from sharp crazing development.Thereby the circular configuration of cordage itself allows again and between each root rope, is bound to form certain hole in forming process and forms being conducive to grinding, moving back the structure of bits and heat radiation of end face.In the present invention, can also in cordage, add sisal hemp crude fibre, not only increase rubbing down effect but also reduce costs.
Polishing wheel of the present invention can adopt two kinds of typical surface structures: plane polishing wheel and circumference polishing wheel.As described in Fig. 1 or 2.Fig. 3 illustrates the microstructure of polishing wheel.Binding agent combines cordage securely.Blowing agent self forms again many not of uniform size, different foam holes.Fig. 4 is the another kind of form microstructure schematic diagram of polishing wheel.During making plane polishing wheel, be simultaneously stained with back of the body lid, while making circumference polishing wheel, without the back of the body, cover.In the present invention, back of the body lid can be glass lid, sisal hemp etc.
Accompanying drawing explanation
Fig. 1 is plane rubbing down integrated wheel schematic diagram of the present invention.
Fig. 2 is circumference rubbing down integrated wheel schematic diagram of the present invention.
Fig. 3 is the microstructure schematic diagram of grinding and polishing integrated wheel of the present invention.
Fig. 4 is the microstructure schematic diagram of another kind of grinding and polishing integrated wheel of the present invention.
Fig. 5 is the shaping mould that is heating and curing of the present invention.
Fig. 6 is plane rubbing down integrating three-dimensional figure of the present invention.
Fig. 7 is the honorable schematic diagram of plane rubbing down one of the present invention.
Fig. 8 is embodiment 1 plane polishing wheel sample 1-3 blowing agent addition and grinding efficiency, grinding ratio relation.
Fig. 9 is embodiment 1 plane polishing wheel sample 1-3 blowing agent addition and exemplar surface roughness relation.
Figure 10 is embodiment 1 circumference polishing wheel sample 1-3 blowing agent addition and grinding efficiency, grinding ratio relation.
Figure 11 is embodiment 1 circumference polishing wheel sample 1-3 blowing agent addition and exemplar surface roughness relation.
Figure 12 is that embodiment 1 circumference polishing wheel sample 4-6 blowing agent addition meets or exceeds critical value and grinding efficiency, grinding ratio relation.
Figure 13 is that embodiment 1 circumference polishing wheel sample 4-6 blowing agent addition meets or exceeds critical value and exemplar surface roughness relation.
Figure 14 is the process chart of embodiment 1.
Figure 15 is the another kind of technological process of embodiment 1.
Figure 16 is the rubbing down integrated wheel schematic diagram that cordage Wound Dies of the present invention is made.
Figure 17 is the another kind of schematic diagram of rubbing down integrated wheel that cordage Wound Dies of the present invention is made.
In figure, 1 for back of the body lid, 2 be polish-grinding plate, 3 for foam hole, 4 for cordage, 5 for binding agent and blowing agent, 6 for cordage, blowing agent, binder mixtures, 7 for metal mold cavity mould, 8 for binding agent, 9 be ring flange (skeleton).
The specific embodiment
Embodiment 1(explores blowing agent and the relation of sisal fiber rope mixing quality ratio variation with rubbing down effect).
Formula 1:
Figure BDA0000410418310000041
1, sample production
1.1 process route
1.1.1 the processing of sisal fiber rope: the sisal fiber rope of this enforcement can be common commercially available sisal fiber rope.
1.1.2 rope made of hemp gluing: (primer is < mass fraction > to roller coating one circle primer: the liquid liquid phenolic resin 65% of modification on the sisal fiber rope of 1.1.1, filler: 34%, blowing agent: 1%, glue solid content: 75-77%, glue amount is: 0.7-0.8g on every gram of sisal fiber rope); Then at 70 ± 2 ℃, toast 30min.
1.2 are wrapped in the rope made of hemp of first-class glue on mould by the route making, and then put into die cavity, and pressed sizing is toasted (face grinding wheel solidifies 4h, and circumference emery wheel solidifies 6h) after 4-6h at 120 ℃, come out of the stove after being slowly down to room temperature, and mould unloading.
1.3 tests are made style and are: plane polishing wheel: overall diameter is 4 inches (101.6-103mm), and internal diameter is 55mm, and aperture is 16mm, thickness 6-8mm);
Circumference polishing wheel: 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 wheel of plane rubbing down: 45# steel plate (the thick * 10mm of the wide 100mm* of long 200mm*); Thousand pages of wheels 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 (plane polishing wheel: 60m/s, circumference polishing wheel: 40m/s) 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.With two-tube light-section microscope, measure.
Total grinding testing time is 30min, and every 10min is one section, and minute three sections of collection data, ask arithmetic mean of instantaneous value.
3, Data Collection
3.1 use formulas 1, process route < mono-> do the plane polishing wheel (sample 1, sample 2, sample 3) and conventional 4 inch nylon wheels, the contrast of sisal hemp wheel grinding index for plane polishing.
Note: blowing agent mass ratio (with cordage comparison) is: sample 1:1% sample 2:2% sample 3:3%.
Table 1 plane polishing
Figure BDA0000410418310000051
Plane polishing wheel sample 1-3 blowing agent addition and grinding efficiency, grinding ratio relation are as shown in Figure 8; Plane polishing wheel sample 1-3 blowing agent addition and exemplar surface roughness relation are as shown in Figure 9.
3.2 use formulas 1, process route < mono-> do for circumference polishing wheel (sample 1, sample 2, sample 3) and conventional 10.6 inch nylon wheels, the contrast of sisal hemp wheel grinding index.
The polishing of table 2 circumference
Figure BDA0000410418310000052
Circumference polishing wheel sample 1-3 blowing agent addition and grinding efficiency, grinding ratio relation are as shown in figure 10; Circumference polishing wheel sample 1-3 blowing agent addition and exemplar surface roughness relation are as shown in figure 11.
3.3 rise to blowing agent mass ratio: sample 4:4% sample 5:6% sample 6:8%, when (in the constant situation of amount of resin) exploration blowing agent and cordage mass ratio meet or exceed critical value, the rubbing down effect of wheel, this test is made circumference polishing wheel by sample 4,5,6, carrys out test comparison.
The polishing of table 3 circumference
Figure BDA0000410418310000061
Circumference polishing wheel sample 4-6 blowing agent addition meets or exceeds critical value and grinding efficiency, grinding ratio relation as shown in figure 12; Circumference polishing wheel sample 4-6 blowing agent addition meets or exceeds critical value and exemplar surface roughness relation as shown in figure 13.
3.4 use formulas 1, process route < bis-> do the circumference emery wheel (sample 7) for circumference rubbing down.
Figure BDA0000410418310000062
Test brief summary:
1, by embodiment 1 (filling a prescription 1) sample testing data analysis, obtain:
In same wheel, along with blowing agent and cordage mass ratio become large, the foam hole volume in wheel tissue increases, and foam hole quantity increases, and the polishing performance of wheel improves.
2, by 3.3 sample testing data analyses, obtain:
In same wheel, in the certain situation of amount of resin, along with blowing agent mass ratio improves, the polishing performance of wheel, grinding performance is improved and (but notes: when blowing agent addition reaches critical value or surpasses critical value, grinding performance is by step-down; The consumption of blowing agent will and be ground material according to the kind of selected blowing agent, specification the requirement of the polishing performance of wheel, grinding performance is considered).
3, by process route 2 and circumference emery wheel (sample 7), find: the circumference emery wheel that the method is done has the characteristic of the elasticity grinding of coated mould.
4, the sample testing data by embodiment and conventional nylon wheel, sisal hemp disc sharpener test data are comprehensively analyzed: the plane polishing wheel of the plane rubbing down of making by the method, the circumference polishing wheel of circumference rubbing down, on polishing performance, improve 30%-35%, by adjusting the consumption (and bonding agent, cordage, blowing agent in wheel tissue are transferred to suitable ratio) of blowing agent, all can meet difference and be ground the requirement of material to the polishing performance of wheel.

Claims (9)

1. a polishing wheel for fibre-bearing rope and blowing agent, the polishing disk of described polishing wheel is comprised of cordage, and binding agent bonds together cordage, and cordage contains the hole that blowing agent foaming produces.
2. polishing wheel as claimed in claim 1, the fiber of described cordage is natural fiber or staple fibre.
3. polishing wheel as claimed in claim 2, described natural fiber is selected from the recycled fiber of cotton, kapok, sisal hemp, abaca, ramie, flax, hemp, jute, sheep's wool, goats hair, camel hair, the rabbit hair, yak hair, mulberry silk, tussah silk Huo Mian ﹑ Ma ﹑ Mao ﹑ silk.
4. polishing wheel as claimed in claim 2, described staple fibre is nylon fiber or glass fibre.
5. polishing wheel as claimed in claim 1, described blowing agent is sodium acid carbonate; The addition of blowing agent is the 1-10% of cordage quality.
6. polishing wheel as claimed in claim 1, described binding agent is selected from phenolic resins, urea aldehyde, melamine resin, epoxy resin, inorganic binder or by phenolic resins, urea aldehyde, melamine resin, epoxy, acrylic acid modified phenolic aldehyde.
7. polishing wheel as claimed in claim 1, the mass fraction of described cordage is 70-99%, and the mass fraction of binding agent is 1-30%, and component sum is 100%.
8. polishing wheel as claimed in claim 1, described polishing wheel comprises plane polishing wheel and circumference polishing wheel.
9. polishing wheel as claimed in claim 8, described plane polishing wheel also comprises that the back of the body that is bonded in polishing disk one side by binding agent covers.
CN201310554366.9A 2013-11-08 2013-11-08 A kind of fibre-bearing rope and the buff wheel of foaming agent Active CN103551992B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658401A1 (en) * 1993-12-14 1995-06-21 Shin-Etsu Handotai Company Limited Polishing member and wafer polishing apparatus
JPH07237135A (en) * 1994-03-01 1995-09-12 Shoei Kogyo Kk Elastic bristle grinding wheel
CN2253270Y (en) * 1996-08-02 1997-04-30 开封光华实业公司 Buffing wheel
US20010000838A1 (en) * 1997-11-28 2001-05-10 Akira Nagata Resinoid grinding wheel
CN1320673A (en) * 2001-03-27 2001-11-07 谢政 Mixed sand for both cutting and polishing and its preparing process
CN201338234Y (en) * 2008-12-05 2009-11-04 淄博理研泰山涂附磨具有限公司 Composite sand-planted coated abrasive tool
CN101612722A (en) * 2008-06-25 2009-12-30 三芳化学工业股份有限公司 Polishing pad and method for manufacturing the same
CN101862994A (en) * 2010-06-03 2010-10-20 万关良 Abrasive fiber polishing disk, polishing machine with same and polishing method using same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658401A1 (en) * 1993-12-14 1995-06-21 Shin-Etsu Handotai Company Limited Polishing member and wafer polishing apparatus
JPH07237135A (en) * 1994-03-01 1995-09-12 Shoei Kogyo Kk Elastic bristle grinding wheel
CN2253270Y (en) * 1996-08-02 1997-04-30 开封光华实业公司 Buffing wheel
US20010000838A1 (en) * 1997-11-28 2001-05-10 Akira Nagata Resinoid grinding wheel
CN1320673A (en) * 2001-03-27 2001-11-07 谢政 Mixed sand for both cutting and polishing and its preparing process
CN101612722A (en) * 2008-06-25 2009-12-30 三芳化学工业股份有限公司 Polishing pad and method for manufacturing the same
CN201338234Y (en) * 2008-12-05 2009-11-04 淄博理研泰山涂附磨具有限公司 Composite sand-planted coated abrasive tool
CN101862994A (en) * 2010-06-03 2010-10-20 万关良 Abrasive fiber polishing disk, polishing machine with same and polishing method using same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
苏民 等: "粘砂纤维磨具", 《磨料磨具与磨削》 *

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Effective date of registration: 20170512

Address after: 523000 Guangdong Province, Dongguan town of Kau Yongqing Village Yongqing industrial zone two new Street No. 31

Patentee after: Dongguan Dongsheng emery cloth Co. Ltd.

Address before: Building hatch 100 Mianyang City No. 621100 Sichuan Province Branch Chong Park Jiuzhou Avenue

Patentee before: Xie Ze

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