CN104097153A - Superhard material abrasive layer, grinding wheel, and manufacturing method of superhard material abrasive layer - Google Patents
Superhard material abrasive layer, grinding wheel, and manufacturing method of superhard material abrasive layer Download PDFInfo
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- CN104097153A CN104097153A CN201410322288.4A CN201410322288A CN104097153A CN 104097153 A CN104097153 A CN 104097153A CN 201410322288 A CN201410322288 A CN 201410322288A CN 104097153 A CN104097153 A CN 104097153A
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- abrasive
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Abstract
The invention relates to the field of abrasive tools, in particular to a superhard material abrasive layer, a grinding wheel, and a manufacturing method of the superhard material abrasive layer. The superhard material abrasive layer comprises abrasive units and abrasive unit binder; each abrasive unit comprises abrasive particle binder and at least one abrasive particle connected with the same. The abrasive units are connected together through the abrasive unit binder. Matching of abrasive consumption speed with strength of the binder holding abrasives can be adjusted in a larger range by adjusting the abrasive particle binder and the abrasive unit binder, the matching is easier to adjust, and accordingly the grinding wheel needs to be dressed fewer times or the grinding wheel can be free of dressing. Therefore, the problem that the strength of existing superhard abrasive grinding wheel binder holding abrasives and the consumption speed of the abrasives are unmatched is solved.
Description
Technical field
The present invention relates to grinding materials and grinding tool field, particularly related to the manufacture method of a kind of superhard abrading agent layer, emery wheel and superhard abrading agent layer.
Background technology
In super-abrasive grinding wheel machine finishing, apply a kind of process tool very widely, common super-abrasive grinding wheel is to consist of as shown in Figure 1 grinding wheel base body 1001 and abrasive material 1002.The chief component composition of abrasive material has bonding agent (material such as metal, pottery, resin), super hard abrasive (diamond, CBN) etc., bonding agent is to make the indispensable part of emery wheel, its effect is that abrasive particle is bonded to and has certain geometrical shape, and controls abrasive particle and make its work in-process bear grinding force and play shear action; Abrasive material has higher intensity and hardness, is the main body of removing workpiece material.
Bonding agent is controlled intensity to the service life of super-abrasive grinding wheel and serviceability affecting larger to abrasive particle, if it is larger that bonding agent is controlled intensity to abrasive particle, in Grinding Process, after the abrasive material blunt that emery wheel top layer participates in processing, can not come off in time, be positioned at the new abrasive particle exposure in time of bonding agent inside, cause that grinding temperature is too high, occur grinding burn phenomenon, and working (machining) efficiency reduces greatly; If bonding agent is less to the hold of abrasive particle, abrasive material is not also just fully utilized and comes off from emery wheel top layer, and the form accuracy of emery wheel is difficult to assurance, and meanwhile, greatly shorten the service life of emery wheel.
For guaranteeing the service life of super-abrasive grinding wheel, normally adopt the mode of controlling intensity of bonding agent to abrasive material that improve, in grinding process by the grinding-wheel grinder bed of material is repaired, improve its sharpness, but the abrasive material of emery wheel has quite a few all to consume in dressing process, therefore, bonding agent is the key factor that affects hard grinding wheel serviceability and service life on the coupling of the depletion rate of controlling intensity and abrasive material of abrasive material.
Yet, in traditional hard grinding wheel abrasive material, abrasive material generally with single abrasive particle 2001 wrapped in bonding agent 2002, as shown in Figure 2.For guaranteeing the grinding performance of emery wheel, the tissue of the grinding-wheel grinder bed of material needs consistent, therefore in same abrasive material, bonding agent material structure composition and abrasive particle kind are basic identical.Component, the grade of abrasive material or both proportionings etc. that change bonding agent material are to adjust the common method of controlling intensity of bonding agent to abrasive material, but the method effect of adjustment grinding-wheel grinder bed of material formula is not remarkable, and adjusting range is narrower, and the implementation cycle is longer.At present, in actual production, be difficult to accomplish the matched well of bonding agent to the depletion rate of controlling intensity and abrasive material of abrasive material.
Summary of the invention
The object of the present invention is to provide a kind of superhard abrading agent layer, to solve the bonding agent of existing super-abrasive grinding wheel, the depletion rate of controlling intensity and abrasive material of abrasive material is difficult for to the problem of coupling.
Meanwhile, the present invention also aims to provide the use super-abrasive grinding wheel of above-mentioned superhard abrading agent layer and the manufacture method of above-mentioned superhard abrading agent layer.
In order to address the above problem, superhard abrading agent layer of the present invention is by the following technical solutions: superhard abrading agent layer, comprise abrasive material unit and abrasive material unit bonding agent, described abrasive material unit comprises abrasive particle bonding agent and at least one abrasive particle combining with abrasive particle bonding agent, and described abrasive material unit combines by abrasive material unit bonding agent.
Described abrasive material unit is spherical.
Each abrasive material unit comprises two the above abrasive particles, and abrasive particle combines by abrasive particle bonding agent.
Abrasive particle bonding agent is different from the composition of abrasive material unit bonding agent.
Super-abrasive grinding wheel is by the following technical solutions: super-abrasive grinding wheel, grinding wheel base body and superhard abrading agent layer, superhard abrading agent layer comprises abrasive material unit and abrasive material unit bonding agent, described abrasive material unit comprises abrasive particle bonding agent and at least one abrasive particle combining with abrasive particle bonding agent, and described abrasive material unit combines by abrasive material unit bonding agent.
Described abrasive material unit is spherical.
Each abrasive material unit comprises two the above abrasive particles, and abrasive particle combines by abrasive particle bonding agent.
Abrasive particle bonding agent is different from the composition of abrasive material unit bonding agent.
The manufacture method of superhard abrading agent layer is by the following technical solutions: superhard abrading agent layer manufacturing method, comprises the following steps: 1) use abrasive particle bonding agent to carry out granulation processing to abrasive particle, make it to form abrasive material unit; 2) take abrasive material unit as unit and abrasive material unit bonding agent batch mixing, then compressing and make superhard abrading agent layer.
Abrasive particle bonding agent is different from the structural constituent of abrasive material unit bonding agent.
In superhard abrading agent layer of the present invention, abrasive material exists with the form of abrasive material unit, compare with the abrasive material of traditional grinding tool, increased exponentially by the volume of control object, especially for fine granularity abrasive material, abrasive material unit is more prone to the preparation technology who makes grinding tool to control, and the operations such as batch mixing, sub-material and moulding more easily realize automation.Simultaneously, can be from regulating abrasive material depletion rate and the bonding agent matching of controlling intensity to abrasive material in larger scope by adjusting abrasive particle bonding agent and abrasive material unit bonding agent, reduce the difficulty that regulates above-mentioned matching, and then reach reduce crushing number of times or realize being excused from a college course of emery wheel whole, in sum, the bonding agent that the invention solves existing super-abrasive grinding wheel is to the difficult problem of mating of the depletion rate of controlling intensity and abrasive material of abrasive material.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing super-abrasive grinding wheel;
Fig. 2 is the structural representation of existing superhard abrading agent layer;
Fig. 3 is the structural representation of the embodiment of superhard abrading agent layer of the present invention;
Fig. 4 is abrasive material unit in Fig. 3 and the schematic diagram that coordinates of abrasive material unit bonding agent.
The specific embodiment
The embodiment of superhard abrading agent layer, as shown in Figure 3-4, the Vitrified Bond CBN Grinding Wheel of take in the present embodiment is introduced the structure of this superhard abrading agent layer as example.This superhard abrading agent layer comprises abrasive material unit and abrasive material unit bonding agent 11.
Abrasive material unit comprises abrasive particle 12 and abrasive particle bonding agent 13, abrasive particle 12 granularities 120/140, concentration 150, abrasive particle bonding agent 13 is vitrified bond, its granularity is 325/400, utilizes 13 pairs of CBN abrasive particles of abrasive particle bonding agent to carry out granulation and just obtains abrasive material unit, in the present embodiment, abrasive material unit is spherical, and each abrasive material unit all includes 3-4 abrasive particle.
What abrasive material unit bonding agent 11 adopted is vitrified bond, its granularity is 275/300, by add abrasive material unit bonding agent 11 to make moulding mixture to abrasive material unit, then the corresponding mould of moulding mixture utilization is carried out to cold moudling, finally by sintering, just can form superhard abrading agent layer.
By the test of grinding cast iron quality workpiece, show, compare with the simple emery wheel that adopts abrasive particle bonding agent or abrasive material unit bonding agent to prepare under formula of the same race, this superhard abrading agent layer has good self-sharpening, repairs number of times and greatly reduce in grinding process, has greatly improved grinding efficiency simultaneously.
In other embodiment of superhard abrading agent layer, abrasive particle bonding agent can also be the bonding agent that component is identical with abrasive material unit bonding agent, or the two can also adopt other bonding agent common in grinding materials and grinding tool field, in addition, the quantity of the abrasive particle of each abrasive material unit is one and all can above; In addition, in other embodiments, abrasive material unit can also be other shape.
The embodiment of super-abrasive grinding wheel, this super-abrasive grinding wheel is that it will not go into details herein by the superhard abrading agent layer in above-described embodiment is bonded on grinding wheel base body and is formed.
The embodiment of superhard abrading agent layer manufacturing method: this superhard abrading agent layer manufacturing method comprises the following steps: 1) use abrasive particle bonding agent to carry out granulation processing to abrasive particle, make it to form abrasive material unit; 2) take abrasive material unit as unit and abrasive material unit bonding agent batch mixing, then compressing and make superhard abrading agent layer.In the present embodiment, selecting materials and the manufacture of the Vitrified Bond CBN Grinding Wheel that mode of operation is mentioned in can the embodiment with reference to superhard abrading agent layer in each step.
Claims (10)
1. superhard abrading agent layer, it is characterized in that, comprise abrasive material unit and abrasive material unit bonding agent, described abrasive material unit comprises abrasive particle bonding agent and at least one abrasive particle combining with abrasive particle bonding agent, and described abrasive material unit combines by abrasive material unit bonding agent.
2. superhard abrading agent layer according to claim 1, is characterized in that, described abrasive material unit is spherical.
3. superhard abrading agent layer according to claim 1, is characterized in that, each abrasive material unit comprises two the above abrasive particles, and abrasive particle combines by abrasive particle bonding agent.
4. according to the superhard abrading agent layer described in claim 1-3 any one, it is characterized in that, abrasive particle bonding agent is different from the composition of abrasive material unit bonding agent.
5. super-abrasive grinding wheel, grinding wheel base body and superhard abrading agent layer, it is characterized in that, superhard abrading agent layer comprises abrasive material unit and abrasive material unit bonding agent, described abrasive material unit comprises abrasive particle bonding agent and at least one abrasive particle combining with abrasive particle bonding agent, and described abrasive material unit combines by abrasive material unit bonding agent.
6. super-abrasive grinding wheel according to claim 5, is characterized in that, described abrasive material unit is spherical.
7. super-abrasive grinding wheel according to claim 5, is characterized in that, each abrasive material unit comprises two the above abrasive particles, and abrasive particle combines by abrasive particle bonding agent.
8. according to the super-abrasive grinding wheel described in claim 5-7 any one, it is characterized in that, abrasive particle bonding agent is different from the composition of abrasive material unit bonding agent.
9. superhard abrading agent layer manufacturing method, is characterized in that, comprises the following steps: 1) use abrasive particle bonding agent to carry out granulation processing to abrasive particle, make it to form abrasive material unit; 2) take abrasive material unit as unit and abrasive material unit bonding agent batch mixing, then compressing and make superhard abrading agent layer.
10. superhard abrading agent layer manufacturing method according to claim 9, is characterized in that, abrasive particle bonding agent is different from the structural constituent of abrasive material unit bonding agent.
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| CN201410322288.4A CN104097153A (en) | 2014-07-08 | 2014-07-08 | Superhard material abrasive layer, grinding wheel, and manufacturing method of superhard material abrasive layer |
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| CN201410322288.4A CN104097153A (en) | 2014-07-08 | 2014-07-08 | Superhard material abrasive layer, grinding wheel, and manufacturing method of superhard material abrasive layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638894A (en) * | 2016-07-22 | 2018-01-30 | 赤壁市永祥粮食机械有限公司 | A kind of coated formula rice-milling roller |
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| US5651729A (en) * | 1993-10-15 | 1997-07-29 | Diametal Ag | Grinding wheel, grinding rim for a grinding tool, and method of manufacturing a grinding tool |
| CN101300321A (en) * | 2005-10-31 | 2008-11-05 | 日本微涂料株式会社 | Polishing material and production method therefor |
| CN101564832A (en) * | 2008-04-24 | 2009-10-28 | 厦门东南新石材工具有限公司 | Resin mill with diamond mill-grain groups and processing method thereof |
| CN201746501U (en) * | 2010-09-06 | 2011-02-16 | 王基峰 | Spherical abrasive particle body |
-
2014
- 2014-07-08 CN CN201410322288.4A patent/CN104097153A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5651729A (en) * | 1993-10-15 | 1997-07-29 | Diametal Ag | Grinding wheel, grinding rim for a grinding tool, and method of manufacturing a grinding tool |
| CN101300321A (en) * | 2005-10-31 | 2008-11-05 | 日本微涂料株式会社 | Polishing material and production method therefor |
| CN101564832A (en) * | 2008-04-24 | 2009-10-28 | 厦门东南新石材工具有限公司 | Resin mill with diamond mill-grain groups and processing method thereof |
| CN201746501U (en) * | 2010-09-06 | 2011-02-16 | 王基峰 | Spherical abrasive particle body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638894A (en) * | 2016-07-22 | 2018-01-30 | 赤壁市永祥粮食机械有限公司 | A kind of coated formula rice-milling roller |
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