CN105062008B - A kind of plane mill obturator system with from sharp function - Google Patents
A kind of plane mill obturator system with from sharp function Download PDFInfo
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- CN105062008B CN105062008B CN201510555491.0A CN201510555491A CN105062008B CN 105062008 B CN105062008 B CN 105062008B CN 201510555491 A CN201510555491 A CN 201510555491A CN 105062008 B CN105062008 B CN 105062008B
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Abstract
The invention discloses a kind of plane mill obturator system with from sharp function, raw material includes epoxy resin, firming agent, microcrystal fused alumina, chromic oxide and dehydrated alcohol.In packed layer, inorganic material abrasive material has micro- crushing function, can produce new grinding cutting edge with automatic pulverizing, so as to improve the self-sharpening energy of packed layer when being passivated during grinding.For filling preparation process is simple during plane abrasive disk space, without particular/special requirement, good leveling property during filling is conducive to contact of the implant with abrading block to raw material；Plane mill after filling has good heat-sinking capability, and good strength and stiffness glue bits and workpiece burn in solving the problems, such as existing grinding process well, lift currying work every so as to improve grinding efficiency；It is suitable for industrialized production with application.
Description
Technical field
The present invention relates to mill filling system, and in particular to a kind of plane mill obturator system with from sharp function, category
In grinding part preparing technical field.
Background technology
It is with the development of science and technology, numerical control ultra-precision grinding machine, high-speed, high precision crankshaft grinding machine and camshaft grinding machine, all kinds of high-precision
High-speed dedicated grinding machine etc., becomes one of field that China gives priority to, and the raising of working (machining) efficiency is the development of numerically control grinder field
Important directions, it is desirable to the cutting force of emery wheel is good, sharp；Require that the shape retention of emery wheel is good again, persistently can process；Simultaneously to
Ask emery wheel can high heat resistance, resistance to strength extruding.
Double-ended grinding machine is a kind of efficient plane machining lathe, and it can process two in one stroke and have chi
The good parallel end faces of very little high precision and surface roughness.Machinery Tool Automation degree is high, can process within general one hour thousands of
Workpiece, be widely used in the industries such as compressor, bearing, magnetic material.The machinable workpiece chi of double-ended grinding machine
Very little is usually Ф 10-150mm, thickness 3-60mm.
Plane mill is the core component of double-ended grinding machine, diameter typically in 500-1200mm, according to bonding agent used
Difference, both-end mill can be divided into vitrified bond, metallic bond and resinoid bond both-end mill.Vitrified bond Double End
Mill is typically all to be made by the way of bullet or regular hexagon block abrading block are bonded in above metallic matrix, little abrading block
Between there is certain gap, if for processing undersized workpiece（Diameter is less than 40mm）, then the gap between abrading block must
Must fill, if being not filled with the collision being easily caused between workpiece and abrading block.The material that filling both-end mill is used at present is general
All it is pure epoxy resin, pure epoxy resin filling can reduce the sharpness of mill to a certain extent so that mill goes out sword
Can be bad, grinding efficiency is not high, easily produces the surface damage problems such as the viscous bits of mill or burned work-surface, affects work
The crudy of part, the currying work of mill need frequently finishing mill every also shorter.
Therefore, the new filling system of necessary exploitation, to fill the gap between flat stone mill mill block, the obturator
System is needed with excellent grinding performance, will also be had good cementability, be come off, while also needing during preventing high-speed grinding
Meet certain heat resistant requirements, it is to avoid high-speed grinding is heated to be caused to fill position softening and the bad phenomenon such as viscous bits occur.
The content of the invention
It is an object of the invention to provide a kind of filling system for filling gap between flat stone mill mill block, which can improve
Plane mill packed layer sharpness and with from sharp function, can be greatly improved using this filling formulation needs the flat stone mill of filling
Disk sharpness, glues the generation of bits and workpiece burn problem in reducing grinding process, lift currying work every so as to improve grinding
Efficiency.
To reach above-mentioned purpose, the specific technical scheme of the present invention is：A kind of plane mill with from sharp function is filled
System, is made up of the raw material of volumes below percentage ratio：
Epoxy resin 40～70%
Amine curing agent 4～7%
Microcrystal fused alumina 15～40%
Chromic oxide 1～10%
Dehydrated alcohol 5～15%
The epoxide number of the epoxy resin is 0.44～0.56, preferably 0.55～0.56；
The particle diameter of the microcrystal fused alumina is 20～80 μm, preferably 30～40 μm；Non- equivalance shape is shaped as, draw ratio is
1.5～2.0.
Microcrystal fused alumina of the present invention using non-equivalance shape, the area in its all face is different from, and limit draw ratio as
1.5～2.0, it is applied in epoxy-resin systems, is uniformly dispersed in resin, wellability is good, and aggregation phenomenon is few, can pass through
Particle surface effect promotes the solidification of resin, while destruction will not be produced to resin crosslinked structure, farthest improves resin
Curing performance, it is ensured that it is implant hot property, mechanical property after solidification, excellent in adhesion.More importantly with filling system
In other fillers or Organic substance coordinate, make between each component, to play interfacial effect, reach synergism, it is to avoid a certain component is not
The compatible defect for bringing overall performance to decline.
In above-mentioned technical proposal, the epoxy resin is glycidyl ether type epoxy resin.Resin is filling system performance
Major embodiment person, which not only plays the bonding of itself, the key property such as heat-resisting, wear-resisting, more importantly institute in coordination system
There is the compatibility of component, the resin system composition of the present invention is reasonable, and the epoxide number of epoxy resin is 0.44～0.56, preferably
0.55～0.56, curing reaction is high with the crosslink density of firming agent soon, is conducive to improving the curing performance of filling system, with excellent
Good thermostability and cementability；Coordinated with firming agent, filler by adopting reasonable epoxide number and the epoxy resin of functional group, it is to avoid
The defect that after existing resin system solidification material fragility is big, adhesive force is low, is also overcomed existing epoxy resin and is joined with firming agent
Close using the problem for wearing no resistance after solidification, sharpness is poor.
In above-mentioned technical proposal, the chromic oxide is abrasive material level chromium oxide, and particle diameter is 300 mesh～700 mesh, preferably
400 mesh～600 mesh.Chromic oxide can improve the surface smoothness of grinding workpiece, lift grinding quality；In addition, also increasing
Add the mixing of resin system and filler, be conducive to each component to be uniformly distributed.
In preferred technical scheme, the amine curing agent is ethylenediamine.Amine curing agent is normal for epoxy-resin systems
With firming agent, a lot, which is even more innumerable with the formula of epoxy resin composition for species, is applied to coating, adhesive, is combined
The aspects such as plate, but the selection of different compositions, different ratio of functional groups and polymer molecular structure all can be to epoxy-amine
The solidification effect of system produces impact, so that such system serves many purposes；The present invention is sweet with shrink using ethylenediamine
Oily ether type epoxy resins combination, reactivity is good, the introducing of polarity amido is so that the dipole-dipole phase interaction of amine and epoxy resin
With enhancing so that both compatibilitys are improved, and adopt epoxide number for 0.44～0.56, it is ensured that ring on epoxy molecule chain
The opening of oxygen groups and reasonable with the reaction of amido so that Epoxy resin chain extension reaction can be carried out in room temperature, while ensureing ring
Oxygen tree fat is good with amine solidification cross-linking effect, to improve heat-resisting, the anti-wear performance of filling system, it is thus also avoided that existing easy
It is quick to form dope and the defect that is too fast and causing condensate performance difference that is polymerized.
In preferred technical scheme, the plane mill obturator system with from sharp function, by volumes below percentage ratio
Raw material composition：
Epoxy resin 50～55%
Amine curing agent 4～6%
Microcrystal fused alumina 28～33%
Chromic oxide 2～4%
Dehydrated alcohol 6～10%.
In further preferred technical scheme, the plane mill obturator system with from sharp function, by volumes below
The raw material composition of percentage ratio：
Epoxy resin 54%
Amine curing agent 5%
Microcrystal fused alumina 30%
Chromic oxide 3%
Dehydrated alcohol 8%.
The invention also discloses the preparation method of the above-mentioned plane mill obturator system with from sharp function, including following step
Suddenly：Successively epoxy resin, microcrystal fused alumina, chromic oxide, dehydrated alcohol are inserted in blender, after premix is uniform, solidification is added
Agent is obtained with the plane mill obturator system from sharp function.
In above-mentioned technical proposal, when adding firming agent, stir while adding, until mix homogeneously.
Above-mentioned filling system composition is reasonable, and inorganic matters are dispersed in organic system, by resin homogeneous immersion, it is to avoid nothing
Machine thing gathers the stress defect brought；Resin fillibility, good leveling property, curing performance are good, will not produce cure shrinkage, effectively protect
Card filling system and the contact area at flat stone mill mill block interface, lift interfacial effect, increase implant effect bonding with abrading block
Really；Solidification temperature is low, the time is short, and state of cure is high；With micro- crushing function, inorganic filler is passivated during grinding
When new grinding cutting edge can be produced with automatic pulverizing, the self-sharpening energy of mill packed layer can be substantially improved, it is ensured that mill is filled
Layer sharpness and processing workpiece quality.Therefore the invention also discloses above-mentioned with tying up to from the plane mill obturator of sharp function
The application in flat stone mill mill block gap implant is prepared, flat stone mill will be poured into from the plane mill obturator system of sharp function
In the abrading block gap of disk, drawout；Then in cold curing 12～36 hours, that is, complete the filling of flat stone mill mill block gap.This
Firmly it is bonded between flat stone mill mill block after the filling system solidification of invention, forms flat stone mill mill block gap implant,
Effectively the gap between filling abrading block, greatly improves the plane mill sharpness for needing to fill, and glues bits in reducing grinding process
And the generation of workpiece burn problem, currying work is lifted every so as to improve grinding efficiency.
In above-mentioned technical proposal, system drawout will be filled with tablet is scraped.
Due to the application of such scheme, the present invention has advantages below compared with prior art：
1st, present invention firstly discloses a kind of plane mill obturator system with from sharp function, constitutes reasonable, You Jiwu
The machine phase compatibility is good；Both the sharpness for having improved plane mill is good, the good characteristic of self-sharpening, has that cementability is good, wearability again
Good, heat-resist advantage, meets the use requirement of double-ended grinding machine plane mill.
2nd, used as during flat stone mill mill block packing material application, solidification temperature is low for the first public filling system of the present invention,
General cold curing, hardening time are short, overnight place and complete solidification；Particularly solidify solidify afterwards degree high, in system
Macromolecular chain entanglement density is high, and crosslinking points are evenly distributed, it is ensured that the thermostability of implant, wearability；Overcome existing filling
Thing easily glues bits, causes the defect of burned work-surface.
3rd, filling system organic component disclosed by the invention configuration is reasonable, except ensure resin and firming agent reactivity it
Outward, the functional group of Organic substance such as epoxide group, amino group can occur interfacial effect with inorganic material in system, it is to avoid have
The conventional boundary defect of machine inorganic hybrid material, there is provided obdurability and thermostability, methene chain give flexibility, and ehter bond gives resistance to
Chemicals, hydroxyl give reactivity and cementability；Reactive functionality in system can be with flat stone mill mill block surface simultaneously
Hydroxyl etc. can produce stronger chemical interactions, it is ensured that the cementability of filling system, overcome existing implant and grind in high speed
Caducous defect during cutting.
4th, in filling system disclosed by the invention, inorganic material is can be uniformly dispersed in organic system, without aggregation phenomenon, is kept away
Exempt from due to there is a problem of for defect point and the decline of caused system overall performance；With micro- crushing function, inorganic filler exists
New grinding cutting edge can be produced with automatic pulverizing when being passivated during grinding, the self-sharpening of mill packed layer can be substantially improved
Can, it is ensured that mill packed layer sharpness and processing workpiece quality；Overcoming existing implant reduces lacking for plane mill sharpness
Fall into.
5th, the chromic oxide in filling system disclosed in this invention can improve the surface smoothness of grinding workpiece,
Lift grinding quality；In addition, also add the mixing of resin system and filler, each component is conducive to be uniformly distributed.
6th, for filling preparation process is simple during plane abrasive disk space, raw material is without spy for filling system disclosed in this invention
Different to require, during filling, good leveling property, cure shrinkage are little, are conducive to contact of the implant with abrading block；Plane mill after filling
With good heat-sinking capability, good strength and stiffness, in solving existing grinding process well, bits and workpiece burn are glued
Problem, lifted currying work every so as to improve grinding efficiency；It is suitable for industrialized production with application.
Description of the drawings
Fig. 1 is the workpiece comparison diagram that embodiment one is processed with comparative example one；
Fig. 2 is after embodiment two is ground with comparative example two（Before finishing）Packed layer comparison diagram.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment one
A kind of plane mill obturator system with from sharp function, is made up of the raw material of volumes below percentage ratio：
Epoxy resin E54 54%
Ethylenediamine 5%
Microcrystal fused alumina 30%
Chromic oxide 3%
Dehydrated alcohol 8%
The particle diameter of above-mentioned microcrystal fused alumina is 30～40 μm；Non- equivalance shape is shaped as, draw ratio is 1.5～2.0；Three oxidations two
The particle diameter of chromium is 70～90 μm.
Above-mentioned filling system is used for the filling of plane mill, and step is as follows：
The first step, batch mixing, by above-mentioned percent by volume successively by epoxy resin, microcrystal fused alumina, chromic oxide, anhydrous second
Alcohol is placed in glass drying oven, is slowly added to curing agent ethylene diamine after premix is uniform, stirring while adding, until mix homogeneously；
Second step, casting, pour the plane mill obturator system for mixing into mill（720 ceramics CBN of Ф）Gap in,
With scraping tablet by inserts drawout；
3rd step, solidification, cold curing 36 hours.
720 ceramics CBN planes mills of the Ф processing compressor sliding blade performance prepared using above-mentioned plane mill obturator system
Data are shown in Table 1.
Embodiment two
A kind of plane mill obturator system with from sharp function, is made up of the raw material of volumes below percentage ratio：
Epoxy resin E51 50%
Ethylenediamine 6%
Microcrystal fused alumina 28%
Chromic oxide 4%
Dehydrated alcohol 10%
The particle diameter of the microcrystal fused alumina is 30～40 μm；Non- equivalance shape is shaped as, draw ratio is 1.5～2.0；Three oxidations two
The particle diameter of chromium is 70～90 μm.
By the method for embodiment one, 1020 ceramic diamond of Ф is prepared within 24 hours using the cold curing of above-mentioned filling system and put down
Face mill, processing carbide cutter tool graininess can be shown in Table 1.
Embodiment three
A kind of plane mill obturator system with from sharp function, is made up of the raw material of volumes below percentage ratio：
Epoxy resin E44 40%
Ethylenediamine 4%
Microcrystal fused alumina 40%
Chromic oxide 10%
Dehydrated alcohol 6%
The particle diameter of the microcrystal fused alumina is 20～80 μm；Non- equivalance shape is shaped as, draw ratio is 1.5～2.0 3 oxidations two
The particle diameter of chromium is 70～90 μm.
By the method for embodiment one, 840 ceramic diamond of Ф is prepared within 12 hours using the cold curing of above-mentioned filling system and put down
Face mill, processing carbide cutter tool graininess can be shown in Table 1.
Example IV
A kind of plane mill obturator system with from sharp function, is made up of the raw material of volumes below percentage ratio：
Epoxy resin F51 70%
Ethylenediamine 7%
Microcrystal fused alumina 15%
Chromic oxide 1%
Dehydrated alcohol 7%
The particle diameter of the microcrystal fused alumina is 20～80 μm；Non- equivalance shape is shaped as, draw ratio is 1.5～2.0；Three oxidations two
The particle diameter of chromium is 50～100 μm.
By the method for embodiment one, 700 ceramic diamond of Ф is prepared within 24 hours using the cold curing of above-mentioned filling system and put down
Face mill, processes compressor disk（HT250）Performance is shown in Table 1.
Comparative example one
Plane mill obturator is made up of with ethylenediamine for 1: 0.11 epoxy resin E54 percent by volume, by enforcement
The method of example one, prepares 1020 ceramic diamond flat stone mill disks of Ф for 36 hours using the cold curing of above-mentioned filling system, and processing is hard
Matter alloy knife graininess can be shown in Table 1.
Comparative example two
Plane mill obturator is by the epoxy resin E20, ethylenediamine, crystallite that percent by volume is 1: 0.1: 0.8: 0.2
Corundum and dehydrated alcohol composition, by the method for embodiment one, prepare Ф 700 in 36 hours using the cold curing of above-mentioned filling system
Ceramic diamond flat stone mill disk, processes compressor disk（HT250）Performance is shown in Table 1.
1 embodiment of table and comparative example performance data
| Process time | Finishing frequency | Grinding force | Burn situation | |
| Comparative example one | 120-150s | <10 disks/repair | 0.5MPa | Workpiece burn |
| Comparative example two | 110-130s | 15 disks/repair | 0.45MPa | Part workpiece burn |
| Embodiment one | 60-90s | 50-70 disks/repair | 0.3MPa | Without burn |
| Embodiment two | 70-95s | 50-60 disks/repair | 0.3MPa | Without burn |
| Embodiment three | 85-100s | 30-40 disks/repair | 0.25MPa | Without burn |
| Example IV | 80-95s | 40-50 disks/repair | 0.4MPa | Without burn |
Test above-mentioned complex mesentery adhesive force, all 5B of embodiment, comparative example is 4B.
Test the heat distortion temperature of above-mentioned solidfied material, embodiment one to four, comparative example one, the heat distortion temperature of two solidfied materials
For 210 DEG C, 204 DEG C, 207 DEG C, 201 DEG C, 206 DEG C, 154 DEG C, 168 DEG C.
Accompanying drawing 1 is the workpiece comparison diagram that embodiment one is processed with comparative example one, it can be seen that embodiment one fills system
Without burn, one workpiece of comparative example has burn to the workpiece of the mill processing of preparation.
Accompanying drawing 2 is after embodiment two is ground with comparative example two（Before finishing）Packed layer comparison diagram, it can be seen that embodiment two
Packed layer has viscous bits without viscous bits, two packed layer of comparative example.
Claims (10)
1. a kind of plane mill obturator system with from sharp function, it is characterised in that by the raw material group of volumes below percentage ratio
Into：15～40% chromic oxide of epoxy resin 40～70% amine curing agent, 4～7% microcrystal fused alumina, 1～10% dehydrated alcohol
The epoxide number of epoxy resin described in 5～15% is 0.44～0.56；The particle diameter of the microcrystal fused alumina is 20～80 μm, is shaped as
Non- equivalance shape, draw ratio are 1.5～2.0；The particle diameter of the chromic oxide is 300 mesh～700 mesh.
2. according to claim 1 with the plane mill obturator system from sharp function, it is characterised in that：The epoxy resin
For glycidyl ether type epoxy resin.
3. according to claim 1 with the plane mill obturator system from sharp function, it is characterised in that：The firming agent is
Ethylenediamine.
4. according to claim 1 with the plane mill obturator system from sharp function, it is characterised in that：The epoxy resin
Epoxide number be 0.55～0.56；The particle diameter of the microcrystal fused alumina is 30～40 μm；The particle diameter of the chromic oxide is 400 mesh
～600 mesh.
5. according to claim 1 with the plane mill obturator system from sharp function, it is characterised in that：It is described with from sharp
The plane mill obturator system of function, is made up of the raw material of volumes below percentage ratio：50～55% amine curing agent of epoxy resin
4～6% microcrystal fused alumina, 28～33% chromic oxide, 2～4% dehydrated alcohol 6～10%.
6. according to claim 5 with the plane mill obturator system from sharp function, it is characterised in that：It is described with from sharp
The plane mill obturator system of function, is made up of the raw material of volumes below percentage ratio：54% amine curing agent 5% of epoxy resin
30% chromic oxide of microcrystal fused alumina, 3% dehydrated alcohol 8%.
7. the preparation method with the plane mill obturator system from sharp function described in claim 1～6 any one, its feature
It is to comprise the following steps：Successively epoxy resin, microcrystal fused alumina, chromic oxide, dehydrated alcohol are placed in blender, in advance
The even rear addition firming agent that is mixed obtains filling system.
8. the preparation method according to claim 7 with the plane mill obturator system from sharp function, it is characterised in that：Plus
When entering firming agent, stir while adding, until mix homogeneously.
9. flat stone mill mill is prepared with tying up to from the plane mill obturator of sharp function described in claim 1～6 any one
Application in block gap implant.
10. apply according to claim 9, it is characterised in that comprise the following steps：By with the plane mill from sharp function
Filling system is poured in the abrading block gap of plane mill, drawout；Then cold curing 12～36 hours, that is, obtain flat stone mill mill
Block gap implant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510555491.0A CN105062008B (en) | 2015-09-02 | 2015-09-02 | A kind of plane mill obturator system with from sharp function |
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|---|---|---|---|
| CN201510555491.0A CN105062008B (en) | 2015-09-02 | 2015-09-02 | A kind of plane mill obturator system with from sharp function |
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| CN105062008A CN105062008A (en) | 2015-11-18 |
| CN105062008B true CN105062008B (en) | 2017-04-05 |
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| CN112048093A (en) * | 2020-09-16 | 2020-12-08 | 上海拓毕新材料科技有限公司 | Polishing film with self-sharpening grinding coating and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62130179A (en) * | 1985-11-29 | 1987-06-12 | Fujimi Kenmazai Kogyo Kk | Composition for grinding |
| CN1127398C (en) * | 2001-01-05 | 2003-11-12 | 华南理工大学 | Granite polishing apparatus and its manufacture |
| CN202684767U (en) * | 2012-07-24 | 2013-01-23 | 苏州赛力精密工具有限公司 | Planar grinding disc |
| CN102756341A (en) * | 2012-07-24 | 2012-10-31 | 苏州赛力精密工具有限公司 | Method for preparing grinding wheel sharpener ingredient |
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