CN109848872A - A kind of composition metal resin anchoring agent diamond grinding wheel and preparation method thereof - Google Patents
A kind of composition metal resin anchoring agent diamond grinding wheel and preparation method thereof Download PDFInfo
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- CN109848872A CN109848872A CN201910312781.0A CN201910312781A CN109848872A CN 109848872 A CN109848872 A CN 109848872A CN 201910312781 A CN201910312781 A CN 201910312781A CN 109848872 A CN109848872 A CN 109848872A
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Abstract
The present invention relates to abrasive grinding fields, the in particular to grinding wheel of composition and its preparation.The composition metal resin anchoring agent diamond grinding wheel is tested by the design and the suitable abrasive material of selection of abrasive material and matrix layer formula, in the case where guaranteeing that workpiece quality is qualified, with good elasticity, self-sharpening is not easy to plug, finishing is few, and grinding efficiency is high, and grinding temperature is low；This formula collaboration, so that grinding wheel has good mechanical property and self-sharpening, high to the holding power of diamond, formability is good, long service life.
Description
Technical field
The present invention relates to abrasive grinding fields, the in particular to grinding wheel of composition and its preparation.
Background technique
Grinding wheel is the main tool of grinding, it is the porous body being made of abrasive material and bonding agent.It is with diamond abrasive
Raw material uses metal powder, resin-oatmeal, filler as bonding agent respectively, and manufactured center has the round bonded abrasive tool of through-hole to be known as gold
Hard rock grinding wheel.The characteristics such as the hardness as possessed by diamond abrasive is high, compression strength is high, wear-resisting type is good, so that Buddha's warrior attendant stone mill
Have the ideal tools for becoming grinding crisp and hard material and hard alloy in grinding.
It is higher and higher to the performance requirement of skive with development in science and technology；It is required that cutting force is good, it is sharp；It requires again
Its shape retention is good, sustainable processing, meanwhile, also require it can high pressure resistant, resistance to strength extruding.Resin bonding agent diamond sand
Wheel is to realize tool efficient, energy saving, high-precision and that automation grinding is indispensable；Although it has, self-sharpening is good, is ground
Sharp advantage, but due to resin self structure, there is following disadvantage: heat resistance is low, in grinding process,
Due to being instantaneously ground under high temperature, resin is easy carbonization, decomposes, it is difficult to hold super hard abrasive, abrasive material is caused largely to fall off or make
At stone layer cracking, decylization, the service life and wheel face precision of grinding wheel are greatly reduced；Resin wheel mechanical property
It is poor with shape retention；It both will affect the surface quality of workpieces processing.Although and metallic diamond grinding wheel shape is kept
Property is good, but self-sharpening is poor, is unable to satisfy the demand of lasting processing.
Therefore it provides a kind of composition metal resin anchoring agent diamond grinding wheel has important practical significance.
Summary of the invention
In view of this, composition metal resin anchoring agent diamond grinding wheel, right with good mechanical property and self-sharpening
Diamond holding power is high, is not easy to plug, and grinding temperature is lower, and the surface smoothness of grinding is high, and long service life.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides compositions, in terms of mass fraction, including following component:
In some specific embodiments of the invention, in terms of mass fraction, the composition includes following component:
In some specific embodiments of the invention, the composition includes abrasive material layer composition and matrix layer composition；
Wherein, the abrasive material layer composition is in terms of mass fraction, comprising:
Described matrix layer composition is in terms of mass fraction, comprising:
In some specific embodiments of the invention, the composition includes abrasive material layer composition and matrix layer composition；
Wherein, the abrasive material layer composition is in terms of mass fraction, comprising:
Described matrix layer composition is in terms of mass fraction, comprising:
The present invention also provides the compositions to prepare the application in wear-resistant material.
The present invention also provides the compositions to prepare the application in grinding wheel.
On the basis of the studies above, the present invention also provides wear parts, including the composition and are subjected to
Auxiliary material.
The present invention also provides the abrasive material components to prepare the application in grinding wheel.
On the basis of the studies above, the present invention also provides grinding wheels, including the composition or the abrasive material portion
Part and acceptable auxiliary material
The present invention also provides the preparation methods of the grinding wheel, include the following steps:
Step 1: taking the component of the composition or the abrasive material component to mix, mixed material is made；
Step 2: mixed material made from step 1 being taken to be placed in mold cavity, hot pressing, molding.
In some specific embodiments of the invention, the time of mixing described in step 1 is 0.5h ~ 2h；
The pressure of hot pressing described in step 2 is 2 ~ 30MPa, and the temperature of the hot pressing is 300 DEG C ~ 380 DEG C, the time of the hot pressing
For 20 min ~ 120min.
In some specific embodiments of the invention, preparation method specifically:
(1) material in above-mentioned abrasive material composition of layer in addition to diamond abrasive is mixed into batch mixer 0.5 ~ 2h, be uniformly mixed
Afterwards by 200 mesh standard sieves, combined binder is obtained；The combined binder and diamond abrasive are placed again into batch mixer and mixed
It closes uniformly, obtains grinding wheel mixture；
(2) material in above-mentioned matrix composition of layer is mixed into 0.5 ~ 2h in batch mixer, it is quasi- by 200 targets after mixing
Sieve, obtains base layer.
(3) it after assembling mold, by the resulting grinding wheel abrasive material mixture investment die cavity of step (1) and strikes off, is put into liquid
Press cold pressing, the pressure of cold pressing are 2MPa, and the resulting grinding wheel base body layer mixture of step (2) is then put into die cavity and is struck off,
It is put into hydraulic press hot pressing；The pressure of hot pressing is 2 ~ 30MPa, and the temperature of hot pressing is 300 ~ 380 DEG C, and 20 ~ 120min of pressure maintaining obtains sand
Wheel shaping body.
(4) qualified abrasive wheel forming body will be examined to be machined to defined qualified shape and size, packet on lathe and grinding machine
Dress, storage, obtains composition metal resin anchoring agent diamond grinding wheel.
The present invention also provides lathes, including grinding wheel made from the grinding wheel or preparation method provided by the invention.
The present invention provides a kind of composition metal resin anchoring agent diamond grinding wheel, there is good elasticity, self-sharpening, no
Easily blocking, finishing is few, and grinding efficiency is high, and grinding temperature is low；This formula collaboration, the grinding wheel for being have good mechanical property and
Self-sharpening, high to the holding power of diamond, formability is good, long service life.
Specific embodiment
The invention discloses a kind of composition and its grinding wheel of preparation, those skilled in the art can use for reference present disclosure,
It is suitably modified realization of process parameters.In particular, it should be pointed out that all similar substitutions and modifications carry out those skilled in the art
Say it is it will be apparent that they are considered as being included in the present invention.Method and application of the invention has passed through preferred embodiment
It is described, related personnel can obviously not depart from the content of present invention, in spirit and scope to method described herein and answer
With being modified or appropriate changes and combinations, carry out implementation and application the technology of the present invention.
The technical solution adopted by the present invention to solve the technical problems is a kind of composition metal resin bonding agent diamond sand
Wheel.Abrasive material is made of raw material from the following weight:
10 ~ 40 parts of diamond abrasive
5 ~ 35 parts of high temperature polyimide resin-oatmeal
30 ~ 60 parts of copper-tin alloy powder
2 ~ 10 parts of graphite
10 ~ 20 parts of glass putty
2 ~ 10 parts of nickel powder
2 ~ 10 parts of silver powder
Grinding wheel base body layer is made of raw material from the following weight:
70 ~ 100 parts of copper powder
5 ~ 25 parts of high temperature polyimide resin-oatmeal
Composition metal resin bond wheel of the invention the preparation method is as follows:
(1) material in above-mentioned abrasive material composition of layer in addition to diamond abrasive is mixed into batch mixer 0.5 ~ 2h, be uniformly mixed
Afterwards by 200 mesh standard sieves, combined binder is obtained；The combined binder and diamond abrasive are placed again into batch mixer and mixed
It closes uniformly, obtains grinding wheel mixture；
(2) material in above-mentioned matrix composition of layer is mixed into 0.5 ~ 2h in batch mixer, it is quasi- by 200 targets after mixing
Sieve, obtains base layer.
(3) it after assembling mold, by the resulting grinding wheel abrasive material mixture investment die cavity of step (1) and strikes off, is put into liquid
Press cold pressing, the pressure of cold pressing are 2MPa, and the resulting grinding wheel base body layer mixture of step (2) is then put into die cavity and is struck off,
It is put into hydraulic press hot pressing；The pressure of hot pressing is 2 ~ 30MPa, and the temperature of hot pressing is 300 ~ 380 DEG C, and 20 ~ 120min of pressure maintaining obtains sand
Wheel shaping body.
In the present invention, abrasive material is molding together with base layer.It is first dosed into one set of die, then forms together.
Hot pressing is as follows: press being first preheated to 200 ~ 250 DEG C, then the mold for throwing honest material is placed on press；Then plus just
Beginning preload pressure 2Mpa；When press being made to be warming up to 300 ~ 380 DEG C, 2 ~ 30Mpa of briquetting pressure is added according to the size of grinding wheel, and tie up
It is constant to hold pressure, while after 10 ~ 50min of heat preservation, starting to cool down；Stop ftercompction after press temperature is lower than 250 ~ 350 DEG C, it is whole
Dwell time is 20 ~ 120min.Continue to cool down.Press release when press temperature is lower than 150 ~ 220 DEG C, product is removed.
(4) qualified abrasive wheel forming body will be examined to be machined to defined qualified shape and size, packet on lathe and grinding machine
Dress, storage, obtains composition metal resin anchoring agent diamond grinding wheel.
A kind of composition metal resin anchoring agent diamond grinding wheel of the present invention, has good elasticity, and self-sharpening is not easy to block up
Plug, finishing is few, and grinding efficiency is high, and grinding temperature is low；This formula collaboration, the grinding wheel for being have good mechanical property and from sharp
Property, high to the holding power of diamond, formability is good, long service life.
It is raw materials used in composition provided by the invention and its grinding wheel of preparation to be available on the market.
Below with reference to embodiment, the present invention is further explained:
Embodiment 1
A kind of composition metal resin anchoring agent diamond grinding wheel.Abrasive material is made of raw material from the following weight:
20 parts of diamond abrasive
5 parts of high temperature polyimide resin-oatmeal
55 parts of copper-tin alloy powder
5 parts of graphite
10 parts of glass putty
5 parts of nickel powder
8 parts of silver powder
Grinding wheel base body layer is made of raw material from the following weight:
100 parts of copper powder
5 parts of high temperature polyimide resin-oatmeal
Composition metal resin bond wheel of the invention the preparation method is as follows:
(1) material in above-mentioned abrasive material composition of layer in addition to diamond abrasive is mixed into batch mixer 1h, led to after mixing
200 mesh standard sieves are crossed, combined binder is obtained；The combined binder is placed again into batch mixer with diamond abrasive and is mixed
It is even, obtain grinding wheel mixture；
(2) material in above-mentioned matrix composition of layer is mixed into batch mixer 1h, after mixing by 200 mesh standard sieves, obtained
To base layer.
(3) it after assembling mold, by the resulting grinding wheel abrasive material mixture investment die cavity of step (1) and strikes off, is put into liquid
Press cold pressing, the pressure of cold pressing are 2MPa, and the resulting grinding wheel base body layer mixture of step (2) is then put into die cavity and is struck off,
It is put into hydraulic press hot pressing；The pressure of hot pressing is 10MPa, and the temperature of hot pressing is 370 DEG C, and pressure maintaining 90min obtains abrasive wheel forming body.
Hot pressing is as follows: press being first preheated to 200 ~ 250 DEG C, then the mold for throwing honest material is placed on press；So
Initial preload pressure 2Mpa is added afterwards；When press being made to be warming up to 370 DEG C, briquetting pressure 10Mpa is added according to the size of grinding wheel, and
It maintains pressure constant, while after 10 ~ 50min of heat preservation, starting to cool down；Stop ftercompction after press temperature is lower than 250 ~ 350 DEG C, it is whole
The body dwell time is 90min.Continue to cool down.Press release when press temperature is lower than 150 ~ 220 DEG C, product is removed.
(4) qualified abrasive wheel forming body will be examined to be machined to defined qualified shape and size, packet on lathe and grinding machine
Dress, storage, obtains composition metal resin anchoring agent diamond grinding wheel.
Embodiment 2
A kind of composition metal resin anchoring agent diamond grinding wheel.Abrasive material is made of raw material from the following weight:
15 parts of diamond abrasive
6 parts of high temperature polyimide resin-oatmeal
60 parts of copper-tin alloy powder
6 parts of graphite
12 parts of glass putty
6 parts of nickel powder
9 parts of silver powder
Grinding wheel base body layer is made of raw material from the following weight:
100 parts of copper powder
5 parts of high temperature polyimide resin-oatmeal
Composition metal resin bond wheel of the invention the preparation method is as follows:
(1) material in above-mentioned abrasive material composition of layer in addition to diamond abrasive is mixed into batch mixer 1h, led to after mixing
200 mesh standard sieves are crossed, combined binder is obtained；The combined binder is placed again into batch mixer with diamond abrasive and is mixed
It is even, obtain grinding wheel mixture.
(2) material in above-mentioned matrix composition of layer is mixed into 1h in batch mixer, it is quasi- by 200 targets after mixing
Sieve, obtains base layer.
(3) it after assembling mold, by the resulting grinding wheel abrasive material mixture investment die cavity of step (1) and strikes off, is put into liquid
Press cold pressing, the pressure of cold pressing are 2MPa, and the resulting grinding wheel base body layer mixture of step (2) is then put into die cavity and is struck off,
It is put into hydraulic press hot pressing；The pressure of hot pressing is 15MPa, and the temperature of hot pressing is 320 DEG C, and pressure maintaining 20min obtains abrasive wheel forming body.
Hot pressing is as follows: press being first preheated to 200 ~ 250 DEG C, then the mold for throwing honest material is placed on press；So
Initial preload pressure 2Mpa is added afterwards；When press being made to be warming up to 320 DEG C, briquetting pressure 15Mpa is added according to the size of grinding wheel, and
It maintains pressure constant, while after keeping the temperature 10min, starting to cool down；Stop ftercompction after press temperature is lower than 250 ~ 350 DEG C, it is whole
Dwell time is 20min.Continue to cool down.Press release when press temperature is lower than 150 ~ 220 DEG C, product is removed.
(4) qualified abrasive wheel forming body will be examined to be machined to defined qualified shape and size, packet on lathe and grinding machine
Dress, storage, obtains composition metal resin anchoring agent diamond grinding wheel.
Embodiment 3
Abrasive material layer composition is in terms of mass fraction, comprising:
Matrix layer composition is in terms of mass fraction, comprising:
Composition metal resin bond wheel of the invention the preparation method is as follows:
(1) material in above-mentioned abrasive material composition of layer in addition to diamond abrasive is mixed into 0.5h in batch mixer, after mixing
By 200 mesh standard sieves, combined binder is obtained；The combined binder is placed again into batch mixer with diamond abrasive and is mixed
Uniformly, grinding wheel mixture is obtained；
(2) material in above-mentioned matrix composition of layer is mixed into batch mixer 0.5h, passes through 200 mesh standard sieves after mixing,
Obtain base layer.
(3) it after assembling mold, by the resulting grinding wheel abrasive material mixture investment die cavity of step (1) and strikes off, is put into liquid
Press cold pressing, the pressure of cold pressing are 2MPa, and the resulting grinding wheel base body layer mixture of step (2) is then put into die cavity and is struck off,
It is put into hydraulic press hot pressing；The pressure of hot pressing is 2MPa, and the temperature of hot pressing is 380 DEG C, and pressure maintaining 120min obtains abrasive wheel forming body.
Abrasive material is molding together with base layer.It is first dosed into one set of die, then forms together.Hot pressing is such as
Under: press is first preheated to 200 ~ 250 DEG C, then the mold for throwing honest material is placed on press；Then initial preload pressure is added
2Mpa；When press being made to be warming up to 380 DEG C, briquetting pressure 2Mpa is added according to the size of grinding wheel, and maintain pressure constant, protected simultaneously
After warm 50min, start to cool down；Stop ftercompction after press temperature is lower than 250 ~ 350 DEG C, the whole dwell time is 120min.After
Continuous cooling.Press release when press temperature is lower than 150 ~ 220 DEG C, product is removed.
(4) qualified abrasive wheel forming body will be examined to be machined to defined qualified shape and size, packet on lathe and grinding machine
Dress, storage, obtains composition metal resin anchoring agent diamond grinding wheel.
Embodiment 4
Abrasive material layer composition is in terms of mass fraction, comprising:
Matrix layer composition is in terms of mass fraction, comprising:
Composition metal resin bond wheel of the invention the preparation method is as follows:
(1) material in above-mentioned abrasive material composition of layer in addition to diamond abrasive is mixed into batch mixer 2h, led to after mixing
200 mesh standard sieves are crossed, combined binder is obtained；The combined binder is placed again into batch mixer with diamond abrasive and is mixed
It is even, obtain grinding wheel mixture；
(2) material in above-mentioned matrix composition of layer is mixed into batch mixer 2h, after mixing by 200 mesh standard sieves, obtained
To base layer.
(3) it after assembling mold, by the resulting grinding wheel abrasive material mixture investment die cavity of step (1) and strikes off, is put into liquid
Press cold pressing, the pressure of cold pressing are 2MPa, and the resulting grinding wheel base body layer mixture of step (2) is then put into die cavity and is struck off,
It is put into hydraulic press hot pressing；The pressure of hot pressing is 30MPa, and the temperature of hot pressing is 300 DEG C, and pressure maintaining 70min obtains abrasive wheel forming body.
Abrasive material is molding together with base layer.It is first dosed into one set of die, then forms together.Hot pressing is such as
Under: press is first preheated to 200 ~ 250 DEG C, then the mold for throwing honest material is placed on press；Then initial preload pressure is added
2Mpa；When press being made to be warming up to 300 DEG C, briquetting pressure 30Mpa is added according to the size of grinding wheel, and maintain pressure constant, simultaneously
After keeping the temperature 25min, start to cool down；Stop ftercompction after press temperature is lower than 250 ~ 350 DEG C, the whole dwell time is 70min.After
Continuous cooling.Press release when press temperature is lower than 150 ~ 220 DEG C, product is removed.
(4) qualified abrasive wheel forming body will be examined to be machined to defined qualified shape and size, packet on lathe and grinding machine
Dress, storage, obtains composition metal resin anchoring agent diamond grinding wheel.
Embodiment 5
Experimental group 1 ~ 4: grinding wheel made from Example 1 ~ 4 is test sample；
Control group: taking commercially available grinding wheel is reference substance.
It is as follows to test grinding machine parameter:
Table 1
Grinding wheel is as follows using parameter comparison:
Table 2
Note:*Show that compared with the control group there is significant difference (P < 0.05)；
#Show that compared with the control group there is extremely significant difference (P < 0.01).
As can be seen from Table 2, the grinding wheel of the invention be mainly characterized in that: cutting it is sharp, apparatus of load is low.It conducts heat, cutter is not
Pyrolytic damage can be generated.Long finishing period, improving production efficiency.Small, long service life is lost in grinding wheel certainly.
Cutting force and shape retention greatly improved relative to resinoid bond in combined binder.
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 (10)
1. composition, which is characterized in that in terms of mass fraction, including following component.
。
2. composition as described in claim 1, which is characterized in that including abrasive material layer composition and matrix layer composition；
Wherein, the abrasive material layer composition is in terms of mass fraction, comprising:
Described matrix layer composition is in terms of mass fraction, comprising:
。
3. composition as claimed in claim 1 or 2 is preparing the application in wear-resistant material.
4. composition as claimed in claim 1 or 2 is preparing the application in grinding wheel.
5. wear parts, which is characterized in that including composition as claimed in claim 1 or 2 and acceptable auxiliary material.
6. abrasive material component as claimed in claim 5 is preparing the application in grinding wheel.
7. grinding wheel, which is characterized in that including composition as claimed in claim 1 or 2 or abrasive material portion as claimed in claim 5
Part and acceptable auxiliary material.
8. the preparation method of grinding wheel as claimed in claim 7, which comprises the steps of:
Step 1: taking the component of composition as claimed in claim 1 or 2 or abrasive material component as claimed in claim 5 mixed
It closes, mixed material is made；
Step 2: mixed material made from step 1 being taken to be placed in mold cavity, hot pressing, molding.
9. preparation method as claimed in claim 8, which is characterized in that the time of mixing described in step 1 is 0.5h ~ 2h；
The pressure of hot pressing described in step 2 is 2 ~ 30MPa, and the temperature of the hot pressing is 300 DEG C ~ 380 DEG C, the time of the hot pressing
For 20 min ~ 120min.
10. lathe, which is characterized in that including grinding wheel as claimed in claim 7 or such as the claim 8 ~ 9 preparation method system
The grinding wheel obtained.
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Cited By (5)
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| CN111283560A (en) * | 2020-03-20 | 2020-06-16 | 北京荣锋精密工具有限公司 | Superhard abrasive grinding wheel for grinding fingerprint identification lock substrate and preparation method thereof |
| CN111906701A (en) * | 2020-07-02 | 2020-11-10 | 郑州磨料磨具磨削研究所有限公司 | Metal resin binder grinding wheel and preparation method thereof |
| CN112192457A (en) * | 2020-09-08 | 2021-01-08 | 郑州磨料磨具磨削研究所有限公司 | Low-melting-point hard and brittle metal resin composite binding agent, grinding tool containing low-melting-point hard and brittle metal resin composite binding agent and preparation method of grinding tool |
| CN113664736A (en) * | 2021-07-20 | 2021-11-19 | 江苏华东砂轮有限公司 | Preparation method of resin bonding agent consolidation grinding tool and consolidation grinding tool prepared by same |
| CN114226718A (en) * | 2021-11-05 | 2022-03-25 | 上海本安实业发展有限公司 | Diamond oilstone and preparation method thereof |
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| CN111283560A (en) * | 2020-03-20 | 2020-06-16 | 北京荣锋精密工具有限公司 | Superhard abrasive grinding wheel for grinding fingerprint identification lock substrate and preparation method thereof |
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| CN111906701B (en) * | 2020-07-02 | 2021-09-03 | 郑州磨料磨具磨削研究所有限公司 | Metal resin binder grinding wheel and preparation method thereof |
| CN112192457A (en) * | 2020-09-08 | 2021-01-08 | 郑州磨料磨具磨削研究所有限公司 | Low-melting-point hard and brittle metal resin composite binding agent, grinding tool containing low-melting-point hard and brittle metal resin composite binding agent and preparation method of grinding tool |
| CN113664736A (en) * | 2021-07-20 | 2021-11-19 | 江苏华东砂轮有限公司 | Preparation method of resin bonding agent consolidation grinding tool and consolidation grinding tool prepared by same |
| CN113664736B (en) * | 2021-07-20 | 2024-05-14 | 江苏华东砂轮有限公司 | Preparation method of resin bond bonded grinding tool and bonded grinding tool prepared by same |
| CN114226718A (en) * | 2021-11-05 | 2022-03-25 | 上海本安实业发展有限公司 | Diamond oilstone and preparation method thereof |
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Application publication date: 20190607 |