CN110281169A - Water-setting grinding tool and its increment dressing method - Google Patents
Water-setting grinding tool and its increment dressing method Download PDFInfo
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- CN110281169A CN110281169A CN201910627031.2A CN201910627031A CN110281169A CN 110281169 A CN110281169 A CN 110281169A CN 201910627031 A CN201910627031 A CN 201910627031A CN 110281169 A CN110281169 A CN 110281169A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/12—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic water-setting, e.g. concrete
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
This application involves water-setting grinding tool and its increment dressing methods.The water-setting grinding tool raw material is by mass percentage are as follows: abrasive material 25~35%, antisettling agent 3~7%, hardening filler 3~7%, ferroso-ferric oxide 3~7%, remaining is base fluid；The base fluid is magnesium chloride and water according to the mixed liquor that mass ratio is that 1:49 is mixed to prepare.Its increment dressing method are as follows: worn-out grinding tool is placed in Belt-type tools, the water base abrasive material being stirred is poured into and mixes liquid entirely；Belt-type tools are closed, water base abrasive material is waited to mix liquid solidification entirely；It is demoulded, end face is polished and finishing.The water-setting grinding tool integral hardness of the application is high, and abrasive material is evenly distributed in grinding tool, and entire abrasive surface working ability is consistent；Grinding tool working face has water suction, water storage function, it is made to be not up to excessive temperature during the work time, can avoid process burned work-surface；In addition, the water-setting grinding tool of the application, reusable, formula materials are easy to get, and production method is easy to operate, and difficulty is low, and manufacturing cost is low.
Description
Technical field
This application involves accurate and Ultraprecision Machining fields, and in particular to water-setting grinding tool and its increment dressing method.
Background technique
Traditional grinding tool generallys use bonding agent and is bonded abrasive material, and the manufacturing process of bonded abrasive tool has usually are as follows: presses
Mass ratio sub-material, ingredient → mixing → being formed by Belt-type tools → be heating and curing → modify, processing → qualification inspection etc.,
Grinding tool after processing has some strength and shape, and intensity, impact resistance, heat resistance and resistance to corrosion depend primarily on
The performance of bonding agent, and under different operating environment, performance is not more big changes usually.Therefore, for unlike material
Workpiece need to select the grinding tool of unlike material, and usually grinding tool can only carry out de-material finishing, and can not achieve and increase material finishing, cause
Grinding tool can only be used as consumables, can not reuse, higher operating costs.In addition, in grinding/polishing processing, due to
Temperature rise is comparatively fast higher, need a large amount of water to realize that workpiece is cooling, also serious waste water resource.In consideration of it, how to produce soft
Variable hardness without consuming the grinding tool of a large amount of cooling waters becomes research tendency in recent years when can be achieved to increase material finishing, work,
And this field faces and problem urgently to be resolved at present.
Summary of the invention
To overcome the above-mentioned deficiency in the presence of the prior art, this application provides water-setting grinding tools.The water-setting of the application is ground
It is high to have integral hardness, can reach Y grades of hardness level, abrasive material is evenly distributed in grinding tool, entire abrasive surface working ability one
It causes；Grinding tool working face has water suction, water storage function, so that it is not up to excessive temperature during the work time, can avoid processed
Workpiece surface temperature rise bring burned work-surface in journey；In addition, the water-setting grinding tool of the application, formula materials are easy to get, configuration side
Method is easy to operate, and difficulty is low, and manufacturing cost is low.Meanwhile increasing material is carried out present invention also provides the water-setting grinding tool to the application and is repaired
Whole method.
For grinding tool, the technical solution of the application is:
Water-setting grinding tool, the water-setting grinding tool are made of following raw material components by mass percentage: abrasive material 25~35%,
Antisettling agent 3~7%, hardening filler 3~7%, ferroso-ferric oxide 3~7%, remaining is base fluid；The base fluid is magnesium chloride
The mixed liquor being mixed to prepare with water according to mass ratio for 1:45~55；The water-setting grinding tool making step is as follows:
1) abrasive material, antisettling agent, hardening filler, ferroso-ferric oxide and base fluid are mixed in proportion, water base abrasive material is made
Premixed liquid；
2) container equipped with water base abrasive material premixed liquid is placed under cryogenic high pressure environment and carries out high-speed stirred, every one section of stirring
A period of time is stood after time, after repeatedly stirring, is obtained water base abrasive material and is mixed liquid entirely；
3) water base abrasive material is mixed to liquid entirely to pour into Belt-type tools, after waiting water base abrasive material to mix liquid solidification full demoulding obtain half at
Product grinding tool, required for being then trimmed to the surface of semi-finished product grinding tool by way of grinding after polishing end
Precision, obtain water-setting grinding tool finished product.
Compared with prior art, the water-setting grinding tool of the application has following marked improvement:
(1) formula materials are easy to get, and the cost of material is low；
(2) in configuration process, ingredient can be poured into base fluid simultaneously and be stirred, not need to distinguish sequencing, it is easy to operate,
Operator is required low, cost of labor is low；
(3) make when, cryogenic high pressure environment facilitates water base abrasive material premixed liquid and quickly solidifies, under cryogenic high pressure environment into
The multiple high-speed stirred of row, stands a period of time after every stirring a period of time, static rear water base abrasive material premixed liquid is in half curdled appearance,
Next high-speed stirred can smash the crystallographic axis solidified, make its refinement, abrasive material is made to be more evenly distributed in mixture system, protect
It is consistent to demonstrate,prove entire abrasive surface working ability；
(4) water of normality is molecular " macromolecular mass water " by 10 or more moisture, and activity is poor, four in ingredient
Fe 3 O has the Cl of magnesium chloride in magnetic and base fluid-Ion both contributes to be dispersed as " macromolecular mass water " to generate 5-8
Moisture is molecular " small-micelle water ", and " small-micelle water " activity is more preferable, and can making grinding tool, cohesiveness is stronger in the production process,
To can reach Y grades of hardness level so that manufactured grinding tool integral hardness is high；
(5) grinding tool working face has water suction, water storage function, and the moisture that grinding tool working face absorbs is in process with processing
Temperature raising in face is converted into vapor, has taken away the heat of machined surface, has made to be not up to excessive temperature in its course of work, can keep away
Exempt from workpiece surface temperature rise bring burned work-surface in process.
Cryogenic high pressure environment facilitates water base abrasive material premixed liquid and quickly solidifies, as optimization, the cryogenic high pressure environment
Temperature is -60 DEG C~-30 DEG C, and air pressure is 250~350MPa.
Mixing speed is higher, and abrasive material distribution is more uniform, as optimization, in the step 2), to water base abrasive material premixed liquid
Mixing speed is 1000~5000rpm.
As optimization, in the step 2), 10~15 stirrings is carried out to the water base abrasive material premixed liquid, are stirred every time
Time is 10~15 minutes, and adjacent stirring interval time twice is 0.5~1 minute.Water base abrasive material premixed liquid is in stirring interval
It is presented half curdled appearance, interval time is unsuitable too short, and solidification phenomenon not yet occurs in time too short water base abrasive material premixed liquid, when interval
Between it is also unsuitable too long, too long interval time causes water base abrasive material premixed liquid to solidify, and is difficult will to solidify when stirring next time
Water base abrasive material premixed liquid is smashed and is stirred evenly.
As optimization, it is 250~350MPa that the Belt-type tools mix the pressure that liquid applies to the water base abrasive material being stirred entirely.
At this point, the setting rate that water base abrasive material mixes liquid entirely is fast, finished product grade of abrasive tool is high, meanwhile, pressure is easy to control, and is conducive to industrial life
It produces.
As optimization, the hardening filler is starch or pectin.Hardening filler uses starch or pectin, and material is easy to
It obtains, hardening effect is good.
As optimization, in the step 2), the mixing speed to the water base abrasive material premixed liquid is 3000~4000rpm.
For mixing speed in 3000~4000rpm, the abrasive material degree of being evenly distributed can reach demand, while stirring efficiency is higher, step 2)
It is time-consuming less.
For dressing method, the technical solution of the application is:
The increasing material dressing method of water-setting grinding tool, steps are as follows:
(1) worn-out grinding tool is placed in Belt-type tools, abrasion up, pours into the water base abrasive material premix being stirred
Liquid；
(2) Belt-type tools are closed, water base abrasive material is waited to mix liquid solidification entirely；
(3) it demoulds, takes out water-setting grinding tool, polish water-setting grinding tool end face, then by grinding tool by way of grinding
Surface be trimmed to required precision, complete the increment finishing of water-setting grinding tool.
Material repair mode is different from traditional subtracting, and the dressing method of the water-setting grinding tool of the application, which can be realized, increases material reparation, i.e.,
It does not need after generating loss from the new grinding tool of new production or repairs thin grinding tool, grinding tool need to be only placed in Belt-type tools, in fray
Pouring into repairing type after the water base abrasive material premixed liquid being stirred carries out High Pressure Solidification can restore to the original state, more economically.
Specific embodiment
(embodiment) is further described present patent application With reference to embodiment, described herein
Specific embodiment be only used to explain present patent application, but be not intended as to present patent application limit according to
According to.
Cryogenic high pressure environment and stirring in the present invention can realize that the cryogenic high pressure is stirred by cryogenic high pressure rabble furnace
Mixing furnace can make by oneself, and the cryogenic high pressure rabble furnace includes furnace body and bell, the bell be equipped with relief valve and with press machine phase
Air passage one-way valve even, the bell upper surface are additionally provided with the stirring rod driving electricity being connected with the stirring rod of bell lower end surface setting
Machine, cryogenic high pressure rabble furnace lower part are equipped with refrigerating plant, and the container equipped with water base abrasive material premixed liquid is placed in institute when use
Below the stirring rod for stating cryogenic high pressure rabble furnace, starts force (forcing) pump and refrigerating plant, pressure and temperature in furnace is made to reach predetermined model
After enclosing, starts stirring rod, water base abrasive material premixed liquid is stirred；Wherein force (forcing) pump is mentioned by way of injecting gas into furnace
Air pressure in blast furnace, refrigerating plant reduce in-furnace temperature using vapour compression refrigeration system.
Belt-type tools in the present invention can be made by oneself, and the Belt-type tools have charging chamber and die cavity, and water base abrasive material is mixed entirely
After liquid injects charging chamber, mixes liquid entirely to the water base abrasive material in charging chamber under the action of hydraulic press using dedicated plunger and pressurizes,
So that water base abrasive material is mixed liquid entirely and inject and be full of die cavity, and keep pressure after pressing it to predetermined pressure, continues to that grinding tool solidifies.
Moisture after water-setting abrasive tool moulding of the invention in base fluid is retained in grinding tool in the form of subset.
For water-setting grinding tool, the present invention provides following embodiments.
Embodiment 1
Water-setting grinding tool is prepared according to the following steps:
It 1) will in the ratio of abrasive material 25%, antisettling agent 3%, hardening filler 3%, ferroso-ferric oxide 3%, base fluid 66%
Abrasive material, antisettling agent, hardening filler, ferroso-ferric oxide and base fluid are sufficiently mixed, and water base abrasive material premixed liquid is made；The base fluid
It is magnesium chloride and water according to the mixed liquor that mass ratio is that 1:55 is mixed to prepare；
2) container equipped with water base abrasive material premixed liquid is placed under cryogenic high pressure environment and carries out high-speed stirred, every one section of stirring
A period of time is stood after time, after repeatedly stirring, is obtained water base abrasive material and is mixed liquid entirely；
3) water base abrasive material is mixed to liquid entirely to pour into Belt-type tools, after waiting water base abrasive material to mix liquid solidification full demoulding obtain half at
Product grinding tool, required for being then trimmed to the surface of semi-finished product grinding tool by way of grinding after polishing end
Precision, obtain water-setting grinding tool finished product.
In the present embodiment, the temperature of the cryogenic high pressure environment is -60 DEG C, air pressure 250MPa.It was not necessarily to when temperature is low
High pressure environment can be realized water base abrasive material premixed liquid and quickly solidify.
In the present embodiment, the mixing speed to water base abrasive material premixed liquid is 1000rpm.Mixing speed is relatively low, abrasive material
Distribution consistency degree is slightly poor, but forms comparatively fast, and saves electric energy.
In the present embodiment, 10 stirrings are carried out to the water base abrasive material premixed liquid, each mixing time is 10 minutes, adjacent
Stirring interval time is 1 minute twice.Stir number it is few, each mixing time is short, and interval time is long, abrasive content it is few, system
Make that time cost can be saved when the grinding tool not high to abrasive material uniformity requirements.
In the present embodiment, it is 250MPa that the Belt-type tools mix the pressure that liquid applies to the water base abrasive material being stirred entirely.Root
According to the pressure that the changing firmness requirements adjustment Belt-type tools of production grinding tool apply, the big grade of abrasive tool of pressure is high, and the small grade of abrasive tool of pressure is low.
In the present embodiment, the hardening filler is starch.The hardening filler uses starch, and material is easily obtained,
And tested by inventor, starch hardening effect is preferable.
Embodiment 2
Water-setting grinding tool is prepared according to the following steps:
It 1) will in the ratio of abrasive material 30%, antisettling agent 5%, hardening filler 5%, ferroso-ferric oxide 5%, base fluid 55%
Abrasive material, antisettling agent, hardening filler, ferroso-ferric oxide and base fluid are sufficiently mixed, and water base abrasive material premixed liquid is made；The base fluid
It is magnesium chloride and water according to the mixed liquor that mass ratio is that 1:49 is mixed to prepare；
2) container equipped with water base abrasive material premixed liquid is placed under cryogenic high pressure environment and carries out high-speed stirred, every one section of stirring
A period of time is stood after time, after repeatedly stirring, is obtained water base abrasive material and is mixed liquid entirely；
3) water base abrasive material is mixed to liquid entirely to pour into Belt-type tools, after waiting water base abrasive material to mix liquid solidification full demoulding obtain half at
Product grinding tool, required for being then trimmed to the surface of semi-finished product grinding tool by way of grinding after polishing end
Precision, obtain water-setting grinding tool finished product.
In the present embodiment, the temperature of the cryogenic high pressure environment is -45 DEG C, air pressure 300MPa.Cryogenic high pressure environment has
Help water base abrasive material premixed liquid quickly to solidify.
In the present embodiment, the mixing speed to water base abrasive material premixed liquid is 3000rpm.Mixing speed is high, and abrasive material is distributed more
Uniformly.
In the present embodiment, 12 stirrings are carried out to the water base abrasive material premixed liquid, each mixing time is 12 minutes, adjacent
Stirring interval time is 0.5 minute twice.Stirring number is more, and single mixing time is longer, and abrasive material distribution is more uniform, and mold is each
It is better to locate density CONSENSUS.
In the present embodiment, it is 350MPa that the Belt-type tools mix the pressure that liquid applies to the water base abrasive material being stirred entirely.It is high
The setting rate and finished product grade of abrasive tool that water base abrasive material mixes liquid entirely can be improved in the hyperbaric environment that compression mould provides.
In the present embodiment, the hardening filler is pectin.The hardening filler uses pectin, and material is easily obtained,
And tested by inventor, the hardening effect of pectin is preferable.
Embodiment 3
Water-setting grinding tool is prepared according to the following steps:
It 1) will in the ratio of abrasive material 35%, antisettling agent 7%, hardening filler 7%, ferroso-ferric oxide 7%, base fluid 44%
Abrasive material, antisettling agent, hardening filler, ferroso-ferric oxide and base fluid are sufficiently mixed, and water base abrasive material premixed liquid is made；The base fluid
It is magnesium chloride and water according to the mixed liquor that mass ratio is that 1:45 is mixed to prepare；
2) container equipped with water base abrasive material premixed liquid is placed under cryogenic high pressure environment and carries out high-speed stirred, every one section of stirring
A period of time is stood after time, after repeatedly stirring, is obtained water base abrasive material and is mixed liquid entirely；
3) water base abrasive material is mixed to liquid entirely to pour into Belt-type tools, after waiting water base abrasive material to mix liquid solidification full demoulding obtain half at
Product grinding tool, required for being then trimmed to the surface of semi-finished product grinding tool by way of grinding after polishing end
Precision, obtain water-setting grinding tool finished product.
In the present embodiment, the temperature of the cryogenic high pressure environment is -60 DEG C, air pressure 350MPa.Cryogenic high pressure environment has
Help water base abrasive material premixed liquid quickly to solidify.
In the present embodiment, the mixing speed to water base abrasive material premixed liquid is 5000rpm.Mixing speed is high, and abrasive material is distributed more
Uniformly.
In the present embodiment, 15 stirrings are carried out to the water base abrasive material premixed liquid, each mixing time is 15 minutes, adjacent
Stirring interval time is 0.5 minute twice.Stirring number is more, and single mixing time is longer, and abrasive material distribution is more uniform, and mold is each
It is better to locate density CONSENSUS.
In the present embodiment, it is 350MPa that the Belt-type tools mix the pressure that liquid applies to the water base abrasive material being stirred entirely.It is high
The setting rate and finished product grade of abrasive tool that water base abrasive material mixes liquid entirely can be improved in the hyperbaric environment that compression mould provides.
In the present embodiment, the hardening filler is starch.The hardening filler uses starch, and material is easily obtained,
And tested by inventor, starch hardening effect is preferable.
Embodiment 4
Water-setting grinding tool is prepared according to the following steps:
It 1) will in the ratio of abrasive material 35%, antisettling agent 7%, hardening filler 7%, ferroso-ferric oxide 7%, base fluid 44%
Abrasive material, antisettling agent, hardening filler, ferroso-ferric oxide and base fluid are sufficiently mixed, and water base abrasive material premixed liquid is made；The base fluid
It is magnesium chloride and water according to the mixed liquor that mass ratio is that 1:45 is mixed to prepare；
2) container equipped with water base abrasive material premixed liquid is placed under cryogenic high pressure environment and carries out high-speed stirred, every one section of stirring
A period of time is stood after time, after repeatedly stirring, is obtained water base abrasive material and is mixed liquid entirely；
3) water base abrasive material is mixed to liquid entirely to pour into Belt-type tools, after waiting water base abrasive material to mix liquid solidification full demoulding obtain half at
Product grinding tool, required for being then trimmed to the surface of semi-finished product grinding tool by way of grinding after polishing end
Precision, obtain water-setting grinding tool finished product.
In the present embodiment, the temperature of the cryogenic high pressure environment is -30 DEG C, air pressure 250MPa.Cryogenic high pressure environment has
Help water base abrasive material premixed liquid quickly to solidify.
In the present embodiment, the mixing speed to water base abrasive material premixed liquid is 5000rpm.
In the present embodiment, 15 stirrings are carried out to the water base abrasive material premixed liquid, each mixing time is 15 minutes, adjacent
Stirring interval time is 0.5 minute twice.
In the present embodiment, it is 250MPa that the Belt-type tools mix the pressure that liquid applies to the water base abrasive material being stirred entirely.
In the present embodiment, the hardening filler is starch.
Compared to embodiment 3, a variety of materials ratio is constant in the present embodiment, and the low temperature changed in whipping process is high
The pressure that pressure ring border and Belt-type tools provide, to compare the influence of high and low temperature environment and mold pressure to grade of abrasive tool.
Following table is the hardness number that water-setting mold is obtained with Rockwell apparatus measurement made from embodiment 1-4.Wherein abrasive grain
Degree range is F180~F240, measurement method are as follows: the center line on wide face along its length uniformly takes three points to be surveyed
Examination
| Point 1 | Point 2 | Point 3 | Average hardness (HRB) | Hardness level | |
| Embodiment 1 | 92 | 99 | 91 | 94 | R |
| Embodiment 2 | 104 | 106 | 103 | 104.3 | T |
| Embodiment 3 | 106 | 109 | 107 | 107.3 | Y |
| Embodiment 4 | 105 | 106 | 104 | 105 | Y |
It is available to draw a conclusion by test result:
(1) the hardening filling higher grade of abrasive tool of agent content is bigger；
(2) grinding tool center hardness is higher than surrounding hardness；
(3) whipping temp is lower, the higher grade of abrasive tool of air pressure is higher；
(4) mixing speed is higher, number is more, and grade of abrasive tool distribution is more stable.
For the dressing method of water-setting grinding tool, the present invention provides following embodiments:
Pre-shaping step is as follows:
(1) worn-out grinding tool is placed in Belt-type tools, abrasion up, is poured into the water base abrasive material being stirred and mixed entirely
Liquid；
(2) Belt-type tools are closed, water base abrasive material is waited to mix liquid solidification entirely；
(3) it demoulds, takes out water-setting grinding tool, polish water-setting grinding tool end face, then by grinding tool by way of grinding
Surface be trimmed to required precision, complete the increment finishing of water-setting grinding tool.
Material repair mode is different from traditional subtracting, and the dressing method of the water-setting grinding tool of the application, which can be realized, increases material reparation, i.e.,
It does not need after generating loss from the new grinding tool of new production or repairs thin grinding tool, grinding tool need to be only placed in Belt-type tools, in fray
Pouring into repairing type after the water base abrasive material being stirred mixes liquid progress High Pressure Solidification entirely can restore to the original state, good economy performance.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.
Claims (8)
1. water-setting grinding tool, it is characterised in that:
The water-setting grinding tool is made of following raw material components by mass percentage: abrasive material 25~35%, antisettling agent 3~
7%, hardening filler 3~7%, ferroso-ferric oxide 3~7%, remaining is base fluid；
The base fluid is magnesium chloride and water according to the mixed liquor that mass ratio is that 1:45~55 are mixed to prepare；
The making step of the water-setting grinding tool is as follows:
1) abrasive material, antisettling agent, hardening filler, ferroso-ferric oxide and base fluid are mixed in proportion, water base abrasive material premix is made
Liquid；
2) container equipped with water base abrasive material premixed liquid is placed under cryogenic high pressure environment and carries out high-speed stirred, every stirring a period of time
A period of time is stood afterwards, after repeatedly stirring, is obtained water base abrasive material and is mixed liquid entirely；
3) water base abrasive material is mixed to liquid entirely to pour into Belt-type tools, demoulding obtains semi-finished product mill after waiting water base abrasive material to mix liquid solidification entirely
Tool, then carries out the surface of semi-finished product grinding tool by way of grinding after polishing to end to be trimmed to required essence
Degree obtains water-setting grinding tool finished product.
2. water-setting grinding tool according to claim 1, it is characterised in that: the temperature of the cryogenic high pressure environment be -60 DEG C~-
30 DEG C, air pressure is 250~350MPa.
3. water-setting grinding tool according to claim 1, it is characterised in that: in the step 2), to water base abrasive material premixed liquid
Mixing speed is 1000~5000rpm.
4. water-setting grinding tool according to claim 1,2 or 3, it is characterised in that: in the step 2), to the water base abrasive material
Premixed liquid carries out 10~15 stirrings, and each mixing time is 10~15 minutes, and adjacent stirring interval time twice is 0.5~1
Minute.
5. water-setting grinding tool according to claim 4, it is characterised in that: the Belt-type tools are complete to the water base abrasive material being stirred
The pressure that mixed liquid applies is 250~350MPa.
6. according to the water-setting grinding tool as claimed in claim 4, it is characterised in that: the hardening filler is starch or pectin.
7. water-setting grinding tool according to claim 4, it is characterised in that: in the step 2), premixed to the water base abrasive material
The mixing speed of liquid is 3000~4000rpm.
8. the increment dressing method of water-setting grinding tool, which is characterized in that steps are as follows:
(1) worn-out water-setting grinding tool is placed in Belt-type tools, abrasion up, is poured into the water base abrasive material being stirred and mixed entirely
Liquid；
(2) Belt-type tools are closed, water base abrasive material is waited to mix liquid solidification entirely；
(3) it demoulds, takes out water-setting grinding tool, polish water-setting grinding tool end face, then by the table of grinding tool by way of grinding
Face carries out being trimmed to required precision, completes the increment finishing of water-setting grinding tool.
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| CN105458952A (en) * | 2015-12-29 | 2016-04-06 | 河南广度超硬材料有限公司 | Ice abrasive wheel and manufacturing method thereof |
| CN106002663B (en) * | 2016-05-26 | 2018-03-27 | 南京航空航天大学 | A kind of laminated freezing concretion abrasive polishing pad and preparation method |
| CN209868190U (en) * | 2019-03-29 | 2019-12-31 | 成都贝瑞光电科技股份有限公司 | Novel fine grinding die for composite material |
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