CN107627226B - A kind of elasticity concretion abrasive and its preparation method and application - Google Patents

A kind of elasticity concretion abrasive and its preparation method and application Download PDF

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CN107627226B
CN107627226B CN201710835212.5A CN201710835212A CN107627226B CN 107627226 B CN107627226 B CN 107627226B CN 201710835212 A CN201710835212 A CN 201710835212A CN 107627226 B CN107627226 B CN 107627226B
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parts
concretion abrasive
polishing
elasticity
abrasive
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CN201710835212.5A
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CN107627226A (en
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朱联烽
田多胜
邓宏念
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东莞市中微纳米科技有限公司
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Abstract

The invention belongs to polishing material technical field, a kind of elastic concretion abrasive and its preparation method and application is provided.Elasticity concretion abrasive provided by the invention comprises the following components in parts by weight: 8~10 parts of diamond, 5~50 parts of thermoplastic polyurethane rubber, 20~25 parts of talcum powder, 15~20 parts of mica powder, 5~10 parts of stearic acid;The hardness of elasticity concretion abrasive provided by the invention is 35~45HD, the elastic concretion abrasive of material can be with the cambered surface Full connected of hard brittle material based on thermoplastic polyurethane rubber, make stress surface pressure stable and uniform, compares the polishing effect of free type cambered surface polishing more evenly;And diamond abrasive is evenly dispersed in thermoplastic polyurethane rubber main body, so that surface of elastomer exposes many equally distributed diamonds protrusions, polishing effect and polishing efficiency when grinding and polishing are all significantly improved.

Description

A kind of elasticity concretion abrasive and its preparation method and application

Technical field

The present invention relates to polishing material technical field more particularly to a kind of elastic concretion abrasive and preparation method thereof and answer With.

Background technique

Currently, mobile phone hard brittle material, as the plane polishing technology of sapphire, zirconia ceramics and glass has compared into It is ripe, but cambered surface polishing technology is still in the technical bottleneck phase.In the prior art, cambered surface component processing mainly passes through CNC or hot bending skill Art processes arc-shaped curved surface to the edge of workpiece.However, the arc-shaped curved surface rough surface that the above method processes, is in dumb light shape State needs further to be processed by shot blasting cambered surface, the coarse striped on cambered surface surface and fluctuating is removed, and cambered surface is made to have one Fixed brightness and finish.

Existing cambered surface polishing method is mainly free type chemically mechanical polishing, and this method is mainly using flexible mill skin or hair Brush is used as abrasive material loading material, cooperates the polishing fluid containing polishing particles abrasive material, polishes to cambered surface workpiece.Due to carrying material Material has elasticity and flexibility, can preferably coat cambered surface, act on cambered surface can with polishing particles abrasive material sufficiently, be finally reached side Edge is bright.

For example, patent 201320885994.0 provides a kind of globoidal glass burnishing device, felt cloth and sponge are attached to The polishing fluid of panel surface on polishing machine, cooperation polishing powder configuration makes to polish using the elastic telescopic characteristic of upper disk pressure and sponge Powder is applied in the cambered surface of workpiece, plane and cambered surface edge is swept bright;Patent 201120347925.5 provides a kind of silicon single crystal rod Arc-surface polishing wheel, carrying out brush to cambered surface using hairbrush and polishing fluid makes cambered surface be finally reached light;Patent 201510138283.0 disclose a kind of polishing mill skin and the small ceramic product cambered surface polishing method using this mill skin, wherein Polishing is made of sponge, adhesive and resin from bottom to top with mill skin, cooperates silicon dioxide microparticle polishing fluid using this mill skin, right Small ceramic product with cambered surface is polished.

The above polishing is all made of free type chemical mechanical polishing method and processes to cambered surface, due to abrasive material carrier and polishing fluid It is separation, need to be used cooperatively when being polished, abrasive material is caused to be unevenly distributed during the polishing process, cambered surface stress is smaller, throws Light effect and efficiency are all lower, polish particularly with the cambered surface of the hard brittle materials such as the biggish sapphire of hardness or zirconia ceramics, Polishing effect is very poor, is unable to satisfy its demand.

Summary of the invention

For deficiency present in existing free type CMP process, the object of the present invention is to provide one kind The higher integrated elastic concretion abrasive of hardness can significantly improve the uniformity and polishing efficiency of the polishing of hard brittle material cambered surface.

In order to achieve the above-mentioned object of the invention, the present invention is the following technical schemes are provided: a kind of elasticity concretion abrasive, including following The component of parts by weight:

Preferably, the elastic concretion abrasive, comprises the following components in parts by weight:

Preferably, the partial size of the diamond is 0.5~50 μm.

Preferably, the partial size of the talcum powder is 1~30 μm.

Preferably, the partial size of the mica powder is 30~50 μm.

The present invention also provides the preparation methods of above-mentioned elastic concretion abrasive, include the following steps:

Diamond, talcum powder, mica powder, stearic acid and thermoplastic polyurethane rubber are kneaded to obtain elasticity consolidation mill Material.

Preferably, the temperature of the mixing is 70~230 DEG C.

Preferably, the time of the mixing is 1~2h.

Preferably, the rate of the mixing is 30~120r/min.

The elastic concretion abrasive obtained the present invention also provides a kind of above-mentioned elastic grinding material and above-mentioned preparation method is in arc Application in the polishing of face, comprising: grinding and polishing is carried out to hard brittle material cambered surface with the elastic concretion abrasive.

The present invention provides a kind of elastic concretion abrasives, comprise the following components in parts by weight: 8~10 parts of diamond, thermoplastic 5~50 parts of polyurethane rubber, 20~25 parts of talcum powder, 15~20 parts of mica powder, 5~10 parts of stearic acid of property.It is provided by the invention In elastic concretion abrasive, it is excellent that thermoplastic polyurethane rubber as the material of main part of elastic concretion abrasive can be such that concretion abrasive has Fine diamond thermoplastic polyurethane rubber consolidation is got up, is formed containing the elasticity for being uniformly distributed abrasive material by different elasticity Body, the diamond of surface microprotrusion can play the role of material digging quarter;Talcum powder and mica powder are a kind of fillers, can be effective It adjusts the hardness of elastic concretion abrasive and improves the distributing homogeneity of diamond;Stearic acid is as a kind of lubricant and softening plasticising Material can effectively control the plasticity of elastic concretion abrasive.The experimental results showed that elasticity concretion abrasive provided by the invention is hard Degree is 35~45HD, can satisfy the cambered surface polishing to the biggish sapphire of hardness or zirconia ceramics material.

Elasticity concretion abrasive provided by the invention, grinds hard brittle material surface by the diamond microprotrusion particle on surface Grinding and polishing light, elastic grinding material can make stress surface pressure stable and uniform, the polishing with separate type with the cambered surface Full connected of hard brittle material Liquid phase is more more excellent than polishing effect.In addition, making since diamond abrasive is evenly dispersed in thermoplastic polyurethane rubber main body Surface of elastomer exposes many equally distributed diamonds protrusions, when carrying out grinding and polishing to hard brittle material, polishing effect with And polishing efficiency is all significantly improved.

Detailed description of the invention

The elastic concretion abrasive of Fig. 1 embodiment 1 with plane to the schematic diagram of hard brittle material cambered surface grinding and polishing, wherein 11 be potsherd Sample, 12 be the aluminum alloy round mill tool for being adhesive with plain film elasticity concretion abrasive;

The elastic concretion abrasive of Fig. 2 embodiment 8 with end face to the schematic diagram of hard brittle material cambered surface grinding and polishing, wherein 21 be potsherd Sample, 22 be cylinder body elasticity concretion abrasive.

Specific embodiment

The present invention provides a kind of elastic concretion abrasives, comprise the following components in parts by weight: 8~10 parts of diamond, thermoplastic 5~50 parts of polyurethane rubber, 20~25 parts of talcum powder, 15~20 parts of mica powder, 5~10 parts of stearic acid of property.

It include 8~10 parts by weight of diamond, preferably 9 parts by weight in elasticity concretion abrasive provided by the invention;In this hair In bright, the partial size of the diamond is preferably 0.5~50 μm, more preferably 1~30 μm, most preferably 2~10 μm;In the present invention In, main component of the diamond as elastic concretion abrasive, extreme hardness can play the role of digging quarter, improve polishing effect;? In the embodiment of the present invention, diamond is preferably polycrystalline diamond.

In the present invention, diamond partial size determines the surface roughness of final processing resulting materials, and partial size is smaller, obtains thick Rugosity is lower, and therefore, the diamond partial size in the present invention is preferably 2~4 μm, and the surface roughness for processing resulting materials can drop It is extremely minimum.

It include thermoplastic polyurethane rubber 5 in elasticity concretion abrasive provided by the invention on the basis of the quality of diamond ~50 parts by weight, preferably 10~45 parts by weight, more preferably 20~40 parts by weight;In the present invention, due to thermoplastic poly ammonia Ester rubber has elastically-deformable characteristic, can increase the forced area of material with the cambered surface Full connected of material in polishing, make The pressure stable and uniform of stress surface.

The present invention gets up the diamond thermoplastic polyurethane elastic rubber consolidation of uniform particle sizes, forms uniform mosaic gold The elastomer of hard rock abrasive material presses to cambered surface when grinding and polishing, so that elastic concretion abrasive and cambered surface is carried out Full connected, leans on elastomer The diamond abrasive of surface bulge carries out grinding and polishing to cambered surface, not only increases the polishing effect of cambered surface, and reduces polishing institute It takes time, polishing efficiency is also promoted.

It include 20~25 weight of talcum powder in elasticity concretion abrasive provided by the invention on the basis of the quality of diamond Part, preferably 22~24 parts by weight;In the present invention, the partial size of the talcum powder is preferably 1~30 μm, more preferably 3~20 μ M, most preferably 5~10 μm.The present invention does not have particular/special requirement for the source of talcum powder, using commercial product.

It include 15~20 weight of mica powder in elasticity concretion abrasive provided by the invention on the basis of the quality of diamond Part, preferably 16~18 parts by weight;In the present invention, the partial size of the mica powder is preferably 30~50 μm, more preferably 35~ 45 μm, most preferably 40 μm.The present invention does not have particular/special requirement for the source of mica powder, using commercial product.In this hair In bright, talcum powder and mica powder are a kind of fillers, are mainly used for adjusting point of the hardness of elastic concretion abrasive and diamond abrasive Cloth uniformity can adjust and stablize the hardness of elastic concretion abrasive using the synergistic effect of talcum powder and mica powder.

It include 5~10 parts by weight of stearic acid in elasticity concretion abrasive provided by the invention on the basis of the quality of diamond, Preferably 6~8 parts by weight;The present invention does not have particular/special requirement for stearic partial size, can uniformly incorporate elasticity in mixing process In body;In the present invention, stearic acid has the function of lubricating and softening plasticising, can control the modeling of material in mixing process Property, so that each component is uniformly mixed, while improving abrasive hardness, plastic property is also guaranteed.

The present invention also provides a kind of preparation methods of elastic concretion abrasive, comprising:

Diamond, talcum powder, mica powder, stearic acid and thermoplastic polyurethane rubber are kneaded to obtain elasticity consolidation mill Material.

Diamond, talcum powder, mica powder and stearic acid are preferably first mixed to get mixed powder by the present invention, then will be mixed again Powder is closed to be kneaded with thermoplastic polyurethane rubber.In the present invention, above-mentioned mixing order enables to diamond, talcum Powder, mica powder and stearic acid are dispersed in elastomeric thermoplastic's polyurethane rubber, improve the equal of elastic concretion abrasive performance Even property prevents product Local Property deviation larger, reduces the generation of product quality and yield rate.

The present invention when diamond, talcum powder, mica powder and stearic acid are mixed, to the diamond, talcum powder, Mica powder and the not special requirement of stearic hybrid manipulation sequence, prepare mixed powder using well known to those skilled in the art The technical solution of body.

The present invention is preferably dried obtained mixed powder after obtaining mixed powder;The temperature of the drying Preferably 80~120 DEG C of degree, more preferably 90~110 DEG C, most preferably 100 DEG C;The time of the drying is preferably 4~6h, More preferably 5h.In the present invention, the moisture in powder can be sufficiently discharged in the drying process process, ensure that material has and stablize Preparation repeatability.

After drying process, the present invention preferably is kneaded obtained mixed powder and thermoplastic polyurethane rubber to obtain bullet Property concretion abrasive;In the present invention, the temperature of the mixing is preferably 70~230 DEG C, and more preferably 100~220 DEG C, most preferably It is 150~200 DEG C;The time of the mixing is preferably 1~2h, more preferably 1.5h;The rate of the mixing is preferably 30~ 120r/min, more preferably 35~60r/min, most preferably 45r/min.

After mixing, the present invention will preferably be kneaded obtained elastic concretion abrasive and squeeze out shape or cylinder in blocks, obtain Sheet or columned elastic concretion abrasive.

The present invention also provides a kind of application of elastic concretion abrasive in cambered surface polishing, comprising: with the elasticity Concretion abrasive carries out grinding and polishing to hard brittle material cambered surface;

Elastic concretion abrasive is preferably pasted and is carried out on disk clamp or pole fixture to hard brittle material cambered surface by the present invention Grinding and polishing;In the present invention, the hard brittle material includes potsherd, sapphire and glass.

In the present invention, the rate of the grinding and polishing preferably 1000~12000rpm, more preferable 1000~3000rpm, it is optimal It is selected as 2000rpm.

Elastic concretion abrasive provided by the invention and the preparation method and application thereof is carried out below with reference to embodiment detailed Illustrate, but they cannot be interpreted as limiting the scope of the present invention.

Embodiment 1

Step 1 weighs 10 parts of diamond, 24 parts of talcum powder, 15 parts of mica powder, 5 parts of stearic acid progress in parts by weight It is mixed to get mixed powder, obtaining mixed powder, that 4h is dried under conditions of 100 DEG C of temperature is spare;

Wherein, diamond partial size is 2~4 μm,

10~15 μm of talcum powder partial size,

30~35 μm of mica powder partial size.

Step 2 weighs thermoplastic polyurethane elastic rubber under conditions of temperature is 180 DEG C, mixing rate is 45r/min It is added in mixer together with mixed powder obtained in 45 parts of glue and step 1 and is kneaded 2h;

Mixing is obtained elastic concretion abrasive and is transferred quickly to extruder, squeezed out with a thickness of 3mm, breadth is by step 3 The plain film elasticity concretion abrasive of 150mm, is cut to disk for the plain film of extrusion, pastes on disk clamp, such as 12 institutes in attached drawing 1 Show.

Embodiment 2

Step 1 weighs 8 parts of diamond, 20 parts of talcum powder, 17 parts of mica powder, 10 parts of stearic acid progress in parts by weight It is mixed to get mixed powder, obtaining mixed powder, that 6h is dried under conditions of 100 DEG C of temperature is spare;

Wherein, diamond partial size is 0.5~50 μm,

10~20 μm of talcum powder partial size,

30~35 μm of mica powder partial size.

Step 2 weighs thermoplastic polyurethane elastic rubber under conditions of temperature is 190 DEG C, mixing rate is 45r/min It is added in mixer together with mixed powder obtained in 50 parts of glue and step 1 and is kneaded 1h;

Mixing is obtained elastic concretion abrasive and is transferred quickly to extruder, squeezed out with a thickness of 3mm, breadth is by step 3 The plain film elasticity concretion abrasive of 150mm, is cut to disk for the plain film of extrusion, pastes on disk clamp.

Embodiment 3

Step 1 weighs 9 parts of diamond, 20 parts of talcum powder, 15 parts of mica powder, 10 parts of stearic acid progress in parts by weight It is mixed to get mixed powder, obtaining mixed powder, that 4h is dried under conditions of 100 DEG C of temperature is spare;

Wherein, diamond partial size is 5~10 μm,

10~15 μm of talcum powder partial size,

30~35 μm of mica powder partial size.

Step 2 weighs thermoplastic polyurethane elastic rubber under conditions of temperature is 200 DEG C, mixing rate is 45r/min It is added in mixer together with mixed powder obtained in 45 parts of glue and step 1 and is kneaded 2h;

Mixing is obtained elastic concretion abrasive and is transferred quickly to extruder, squeezed out with a thickness of 3mm, breadth is by step 3 The plain film elasticity concretion abrasive of 150mm, is cut to disk for the plain film of extrusion, pastes on disk clamp.

Embodiment 4

Step 1 weighs 10 parts of diamond, 20 parts of talcum powder, 20 parts of mica powder, 5 parts of stearic acid progress in parts by weight It is mixed to get mixed powder, obtaining mixed powder, that 4h is dried under conditions of 100 DEG C of temperature is spare;

Wherein, 2~10 μm of diamond partial size,

10~15 μm of talcum powder partial size,

30~35 μm of mica powder partial size.

Step 2 weighs thermoplastic polyurethane elastic rubber under conditions of temperature is 210 DEG C, mixing rate is 45r/min It is added in mixer together with mixed powder obtained in 45 parts of glue and step 1 and is kneaded 2h;

Mixing is obtained elastic concretion abrasive and is transferred quickly to extruder, squeezed out with a thickness of 3mm, breadth is by step 3 The plain film elasticity concretion abrasive of 150mm, is cut to disk for the plain film of extrusion, pastes on disk clamp.

Embodiment 5

Step 1 weighs 8 parts of diamond, 20 parts of talcum powder, 15 parts of mica powder, 10 parts of stearic acid progress in parts by weight It is mixed to get mixed powder, obtaining mixed powder, that 4h is dried under conditions of 100 DEG C of temperature is spare;

Wherein, diamond partial size is 1~30 μm,

10~20 μm of talcum powder partial size,

30~35 μm of mica powder partial size.

Step 2 weighs thermoplastic polyurethane elastic rubber under conditions of temperature is 205 DEG C, mixing rate is 45r/min It is added in mixer together with mixed powder obtained in 47 parts of glue and step 1 and is kneaded 2h;

Mixing is obtained elastic concretion abrasive and is transferred quickly to extruder, squeezed out with a thickness of 3mm, breadth is by step 3 The plain film elasticity concretion abrasive of 150mm, is cut to disk for the plain film of extrusion, pastes on disk clamp.

Embodiment 6

Step 1 weighs 10 parts of diamond, 20 parts of talcum powder, 15 parts of mica powder, 5 parts of stearic acid progress in parts by weight It is mixed to get mixed powder, obtaining mixed powder, that 4h is dried under conditions of 100 DEG C of temperature is spare;

Wherein, diamond partial size is 0.5~50 μm,

10~20 μm of talcum powder partial size,

30~35 μm of mica powder partial size.

Step 2 weighs thermoplastic polyurethane elastic rubber under conditions of temperature is 210 DEG C, mixing rate is 45r/min It is added in mixer together with mixed powder obtained in 10 parts of glue and step 1 and is kneaded 2h;

Mixing is obtained elastic concretion abrasive and is transferred quickly to extruder, squeezed out with a thickness of 3mm, breadth is by step 3 The plain film elasticity concretion abrasive of 150mm, is cut to disk for the plain film of extrusion, pastes on disk clamp.

Embodiment 7

Step 1, in parts by weight, weigh 9 parts of diamond, 21 parts of talcum powder, 17 parts of mica powder, 5 parts of stearic acid mixed Conjunction obtains mixed powder, and obtaining mixed powder, that 4h is dried under conditions of 100 DEG C of temperature is spare;

Wherein, diamond partial size is 0.5~50 μm,

10~20 μm of talcum powder partial size,

30~35 μm of mica powder partial size.

Step 2 weighs thermoplastic polyurethane elastic rubber under conditions of temperature is 220 DEG C, mixing rate is 45r/min It is added in mixer together with mixed powder obtained in 45 parts of glue and step 1 and is kneaded 2h;

Mixing is obtained elastic concretion abrasive and is transferred quickly to extruder, squeezed out with a thickness of 3mm, breadth is by step 3 The plain film elasticity concretion abrasive of 150mm, is cut to disk for the plain film of extrusion, pastes on disk clamp.

Embodiment 8

The difference of embodiment 8 and embodiment 1 is only that: step 3, and mixing is obtained elastic concretion abrasive and is transferred quickly to Extruder squeezes out the cylindrical pole that cylindrical diameter is 25mm;Cylindrical pole is cut into high 30mm, the circle of diameter 25mm Cylinder elasticity concretion abrasive, as shown in 22 in attached drawing 2.

Embodiment 9

The difference of embodiment 9 and embodiment 2 is only that: step 3, and mixing is obtained elastic concretion abrasive and is transferred quickly to Extruder squeezes out the cylindrical pole that cylindrical diameter is 25mm;Cylindrical pole is cut into high 30mm, the circle of diameter 25mm Cylinder elasticity concretion abrasive.

Embodiment 10

The difference of embodiment 10 and embodiment 3 is only that: step 3, and mixing is obtained elastic concretion abrasive and is transferred quickly to Extruder squeezes out the cylindrical pole that cylindrical diameter is 25mm;Cylindrical pole is cut into high 30mm, the circle of diameter 25mm Cylinder elasticity concretion abrasive.

Embodiment 11

The difference of embodiment 11 and embodiment 4 is only that: step 3, and mixing is obtained elastic concretion abrasive and is transferred quickly to Extruder squeezes out the cylindrical pole that cylindrical diameter is 25mm;Cylindrical pole is cut into high 30mm, the circle of diameter 25mm Cylinder elasticity concretion abrasive.

Embodiment 12

The difference of embodiment 12 and embodiment 5 is only that: step 3, and mixing is obtained elastic concretion abrasive and is transferred quickly to Extruder squeezes out the cylindrical pole that cylindrical diameter is 25mm;Cylindrical pole is cut into high 30mm, the circle of diameter 25mm Cylinder elasticity concretion abrasive.

Embodiment 13

The difference of embodiment 13 and embodiment 6 is only that: step 3, and mixing is obtained elastic concretion abrasive and is transferred quickly to Extruder squeezes out the cylindrical pole that cylindrical diameter is 25mm;Cylindrical pole is cut into high 30mm, the circle of diameter 25mm Cylinder elasticity concretion abrasive.

Embodiment 14

The difference of embodiment 14 and embodiment 7 is only that: step 3, and mixing is obtained elastic concretion abrasive and is transferred quickly to Extruder squeezes out the cylindrical pole that cylindrical diameter is 25mm;Cylindrical pole is cut into high 30mm, the circle of diameter 25mm Cylinder elasticity concretion abrasive.

Test experiments 1:

Test method the following steps are included:

Step 1: the aluminum alloy round mill for being adhesive with plain film elasticity concretion abrasive in Examples 1 to 7 tool is mounted on always It flows on magneto, motor is fixed on three axis shifting axle of an x, y, z by motor rated power 50W, rated speed 3000rpm On;

Step 2: processed potsherd sample is vertically fixed on fixture (as shown in Figure 1), potsherd thickness 5mm, long 125mm, wide 60mm;

Step 3: adjustment is moved along x, y, z direction by motor, the disk in the outer circle region of elastic concretion abrasive is made to be located at quilt The surface of the side of the potsherd of processing;

Step 4: starting direct current permanent magnet motor, is adjusted to 100rpm for motor speed, motor is made to be less than rated moment Under the conditions of operate, motor is moved to (direction z in Fig. 1) straight down, elastic concretion abrasive is contacted with ceramic side and makes to rub Power gradually increases, until motor shuts down, records the height and position (Z0) in the direction z at this time, closes motor power;

Step 5: first making elastic concretion abrasive move back and forth the (side y along the side of potsherd on the height and position of Z0 To), restart motor, and run motor under rated speed (3000rpm) and rated power (50w), is used in operational process Recycle the blade edges water spray of hydraulic giant alignment rotation, water flow 1L/min, milling time 15min;

Ceramic surface roughness test: BRUKER (Dektak XT) step instrument

Ceramic surface depth of lines test: BRUKER (Dektak XT) step instrument

1. Examples 1 to 7 elasticity concretion abrasive of table and the existing hairbrush technique that clears off are to the quick milled processed in potsherd surface The Comparative result of 15min:

It is handled from 1 test result of table it is found that doing quick fine gtinding to potsherd surface with plain film elasticity concretion abrasive, The surface roughness of potsherd and surface pattern depth significantly reduce after 15min, and polishing effect is significantly improved, and with existing Brush plate process is cleared off, the variation of potsherd surface is unobvious.

Test experiments 2:

The difference of test experiments 2 and test experiments 1 is only that step 1: cylinder body elasticity prepared by embodiment 8~14 Concretion abrasive epoxy adhesive is connected (as shown in Fig. 2) with round steel bar, is prepared into cylindrical bistrique, then pole is mounted on On one direct current permanent magnet motor, motor rated power 50W, rated speed 3000rpm, then motor is fixed on an x, y, z three On axis shifting axle.

2. embodiment of the present invention of table, 8~14 cylinder body elasticity concretion abrasive and the existing hairbrush technique that clears off are to potsherd surface The Comparative result of quick milled processed 15min:

It is handled from 2 test result of table it is found that doing quick fine gtinding to potsherd surface with cylinder body elasticity concretion abrasive, The surface roughness of potsherd and surface pattern depth significantly reduce after 15min, and polishing effect is significantly improved, and with existing Brush plate process is cleared off, the variation of potsherd surface is unobvious.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (7)

1. a kind of elasticity concretion abrasive, comprises the following components in parts by weight:
The partial size of the diamond is 0.5~50 μm;
The partial size of the talcum powder is 1~30 μm;
The partial size of the mica powder is 30~50 μm.
2. elasticity concretion abrasive according to claim 1, which is characterized in that comprise the following components in parts by weight:
3. the preparation method of elasticity concretion abrasive, includes the following steps: described in claim 1~2 any one
Diamond, talcum powder, mica powder and stearic acid are first mixed to get mixed powder, then again by mixed powder and thermoplasticity Polyurethane rubber is kneaded.
4. the preparation method of elasticity concretion abrasive according to claim 3, which is characterized in that the temperature of the mixing is 70 ~230 DEG C.
5. the preparation method of elasticity concretion abrasive according to claim 3, which is characterized in that the time of the mixing is 1 ~2h.
6. according to the preparation method of elastic concretion abrasive described in claim 3,4 or 5, which is characterized in that the speed of the mixing Rate is 30~120r/min.
7. preparation side described in any one of elasticity concretion abrasive or claim 3~6 described in claim 1~2 any one Application of the elastic concretion abrasive that method obtains in cambered surface polishing, comprising: with the elastic concretion abrasive to hard brittle material cambered surface Carry out grinding and polishing.
CN201710835212.5A 2017-09-15 2017-09-15 A kind of elasticity concretion abrasive and its preparation method and application CN107627226B (en)

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