CN108673353A - A kind of superhard emery wheel and preparation method thereof of grinding hard metal - Google Patents
A kind of superhard emery wheel and preparation method thereof of grinding hard metal Download PDFInfo
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- CN108673353A CN108673353A CN201810531530.7A CN201810531530A CN108673353A CN 108673353 A CN108673353 A CN 108673353A CN 201810531530 A CN201810531530 A CN 201810531530A CN 108673353 A CN108673353 A CN 108673353A
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- emery wheel
- copper
- superhard
- lubricant
- hard metal
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Classifications
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- 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
- B24D3/06—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 metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
-
- 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
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
-
- 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
- B24D3/001—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 supporting member
-
- 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
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
-
- 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
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/346—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties utilised during polishing, or grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/02—Wheels in one piece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of superhard emery wheels and preparation method thereof of grinding hard metal.Superhard emery wheel includes matrix and working lining, and matrix is steel matrix, aluminum substrate, Copper substrate or powdered base；Working lining is by abrasive material and bonding agent according to 1：1~15 volume ratio is prepared；It is indicated with volumn concentration, the raw material group of the bonding agent becomes：Aluminium 20~60%, titanium 5~10%, silicon 10~25% and copper 25~60%, additionally incorporate the lubricant for accounting for four kinds of raw material total volumes 10~30%；Abrasive material is the mixture of both diamond, cubic boron nitride or diamond and cubic boron nitride.The superhard emery wheel prepared using the present invention is substantially better than the resinoid bond emery wheel of the prior art in grinding efficiency, self-sharpening, shape retention and G than aspect, and there is enough grindabilities and resistance to layer fragility, there is stronger competitiveness especially in the general grinding of hard metal.
Description
One, technical field：
The present invention relates to a kind of diamond-impregnated wheels and preparation method thereof, more particularly to a kind of the superhard of grinding hard metal
Emery wheel and preparation method thereof.
Two, background technology：
Emery wheel is suitable for the removing of metal material surface corner, solder joint, burr, flash, concave-convex surface as a kind of grinding tool
Injustice is repaired.Industrial diamond stone is largely for manufacturing grinding tool.The hardness of diamond is especially high, respectively boron carbide,
2 times, 3 times and 4 times of silicon carbide and corundum, can be ground the workpiece of ultrahard, while have that grinding efficiency is high, wearability is good, grinding
The advantages that power is small, grinding temperature is low and processing quality is good.Therefore, in hard metals such as hard alloy, high-speed steel, cermets
Grinding, the cutting and reconditioning of the materials such as glass, ceramics, silicon chip and jewel and otherwise application are more and more wider.
Currently, although metal adhesive used in the well-known diamond of those skilled in the art and cubic boron nitride emery wheel,
It is off currently, the existing emery wheel prepared using metal adhesive is not also the emery wheel for grinding hard metal preferred type.It is such
Emery wheel has the phenomenon that self-sharpening deficiency and emery wheel working lining fall in flakes, it is difficult to competing with commonly used resinoid bond emery wheel
It strives, grinding hard metal can not be applied to.Commonly used resinoid bond emery wheel is ground hard metal, due to resinoid bond
Moment heat resisting temperature reach as high as 450 DEG C, brake heat resistance temperature reaches as high as 250 DEG C, determines resinoid bond emery wheel not
It can carry out big cutting output and rapid stock-removal.That there are grinding efficiencies is low for the resinoid bond emery wheel, self-sharpening is insufficient, shape retention
The defects of difference and smaller G ratios (volume for the volume ratio Wheel wear that material removes).
Three, invention content：
The technical problem to be solved by the present invention is to：Existing shortcoming when according to existing emery wheel grinding hard metal, this
Invention provides a kind of superhard emery wheel and preparation method thereof of grinding hard metal.The superhard emery wheel of the present invention is to utilize to be filled out by lubricant
The standby bonding agent of made of metal is filled to be prepared with abrasive material.The superhard emery wheel prepared using the present invention is in grinding efficiency, self-sharpening, shape
Shape retentivity and G are substantially better than the resinoid bond emery wheel of the prior art than aspect, and have enough grindabilities and resistance to layer
Fragility has stronger competitiveness especially in the general grinding of hard metal.
To solve the above-mentioned problems, the technical solution adopted by the present invention is that：
The present invention provides a kind of superhard emery wheel of grinding hard metal, including matrix and working lining, the working lining be by
Abrasive material and bonding agent are according to 1：1~15 volume ratio is prepared；
It is indicated with volumn concentration, the raw material group of the bonding agent becomes：Aluminium 20~60%, titanium 5~10%, silicon 10~
25% and copper 25~60%, additionally incorporate the lubricant for accounting for four kinds of raw material total volumes 10~30%.
According to the superhard emery wheel of above-mentioned grinding hard metal, the abrasive material is diamond, cubic boron nitride or diamond
With the mixture of both cubic boron nitrides；The grain size of the abrasive material is 10~181 μm.
According to the superhard emery wheel of above-mentioned grinding hard metal, the abrasive material is copper facing abrasive material, and plating amount of copper is abrasive material and plating
The 5~30% of copper total weight.
According to the superhard emery wheel of above-mentioned grinding hard metal, the aluminium, titanium, silicon and copper grain size be 800 mesh with thin.
According to the superhard emery wheel of above-mentioned grinding hard metal, the lubricant is inorganic particle lubricant or organic granular
Lubricant.
According to the superhard emery wheel of above-mentioned grinding hard metal, the inorganic particle lubricant is graphite, hexagonal boron nitride
At least one of with molybdenum disulfide；
The organic granular lubricant is that acrylonitrile-butadiene, styrene copolymer, copolyoxymethylenes, chlorination are poly-
Ether, polytetrafluoroethylene (PTFE), polytrifluorochloroethylene, fluorinated ethylene propylene, Kynoar, ionomer, nylon, polyphenylene oxide, polychlorostyrene second
In alkene, polyvinylidene chloride, makrolon, polyester terephthalate, polyethylene, polysulfones and styrene-butadiene-copolymer extremely
Few one kind.
According to the superhard emery wheel of above-mentioned grinding hard metal, described matrix is steel matrix, aluminum substrate, Copper substrate or powder
Matrix.
According to the superhard emery wheel of above-mentioned grinding hard metal, the powdered base is prepared by following methods：
Powdered base is made of polyimides, iron, aluminium and copper, and the volumn concentration group of four kinds of raw materials becomes polyamides Asia
Amine 40~70%, iron 10~20%, aluminium 5~20% and copper 15~45%, the granularity of four kinds of raw materials is 400 mesh in powdered base
With thin；Four kinds of raw materials are weighed first, in accordance with the raw material composition ratio of powdered base, weigh four kinds of raw materials are uniformly mixed, mixing
It is placed on press in mixed material input mold afterwards and carries out hot pressing, with 3 under the conditions of 350 DEG C~380 DEG C in hot pressing
~8t/cm330~120min of hot pressing, mould unloading after hot pressing are carried out, taking-up obtains powdered base.
Additionally, it is provided a kind of preparation method of the superhard emery wheel of grinding hard metal, the preparation method includes following step
Suddenly：
A, aluminium, titanium, silicon, four kinds of raw materials of copper and lubricant are weighed first, in accordance with the raw material composition ratio of above-mentioned bonding agent；
B, four kinds of aluminium weighed, titanium, silicon, copper raw materials are placed in three-dimensional material mixer and are uniformly mixed, gained mixture is added
Melting is carried out in intermediate frequency furnace, and aluminium alloy is smelted under conditions of temperature is 1300 ± 20 DEG C；Gained aluminium alloy is used
Hydraulic atomized method is prepared into 20~40 μm of pre-alloyed powder；
C, the lubricant weighed is subjected to copper facing, lubricant gain in weight is the 5~30% of former lubricant weight after copper facing；
D, the obtained copper facing lubricant of the obtained pre-alloyed powders of step b and step c is mixed, is surpassed after mixing
Hard grind wheel bonding agent；
E, abrasive material and bonding agent are weighed according to the proportion scale of above-mentioned working lining, the abrasive material weighed is carried out using wetting agent
Wetting, the abrasive material after wetting are added in bonding agent, are uniformly mixed using three-dimensional material mixer, obtain superhard emery wheel recruitment and make formable layer
Material；
F, the working lining molding mass that step e is obtained uniformly is put into the graphite jig of assembling, then carries out precompressed；In advance
Mold after pressure is placed in hot press with high frequency, is vacuumized and under the conditions of 350 DEG C~380 DEG C with 3~5t/cm2Progress 10~
The hot pressing of 30min, water cooling mould unloading after hot pressing obtain superhard emery wheel recruitment and make layer；
G, the superhard emery wheel recruitment that step f is obtained is bonded to as layer on abrasive wheel substrate, obtains emery wheel semi-finished product；By Buddha's warrior attendant
Stone mill wheel semi-finished product are processed grinding, finishing, obtain the superhard emery wheel of product.
According to the preparation method of the superhard emery wheel of above-mentioned grinding hard metal, lubricant described in step e is oleic acid, glycerine
Or paraffin.
The positive beneficial effect of the present invention：
1, the superhard emery wheel prepared using technical solution of the present invention, can solve that existing emery wheel grinding efficiency is low, self-sharpening
Difference, shape retention difference and G ratios (volume for the volume ratio Wheel wear that material removes) smaller or emery wheel working lining fall in flakes
The phenomenon that.
2, the superhard emery wheel prepared using the present invention is substantially better than the resinoid bond emery wheel of the prior art in G than aspect,
And there is enough chips and resistance to layer fragility, there is stronger competitiveness especially in the general grinding of hard metal.Cause
This, the superhard emery wheel of the present invention can be good at the grinding using superhard metal.
3, compared with the normal business resin wheel of identical diamond content, identical size and geometry, the present invention is super
The G ratios of hard grind wheel are 12.8 times of resin wheel, are ground 12mm diameters, 4 slots, 20 ° of torsion angle, groove depth under the same conditions
2.4mm, flute length 40mm, the cermet milling cutter for unclamping length 58mm；The superhard emery wheel of the present invention can a feed 2.4mm, into
To speed up to 92mm/min, material removal amount has reached 3.68mm3/ mm.s is ground 520 finishings, and it is 4 or so to load；And
A general feed of resin wheel can only 1.2mm, feed speed 36.8mm/min, material removal amount reaches
0.736mm3/ mm.s is ground 125 finishings.The grinding efficiency of grinding wheel improves 5 times, and currying work loads more every improving 4 times
It is 7 or so.Therefore, the superhard emery wheel of the present invention has lower power consumption, it means that the superhard emery wheel of the present invention can be than normal
Advising resinoid bond grinding wheel has quickly material removing rate；To the efficiency that increases productivity.
Four, specific implementation mode：
The present invention is further explained with reference to embodiments, but is not intended to limit the range of technical solution of the present invention protection.
Embodiment 1：
The present invention is ground the superhard emery wheel of hard metal, including matrix and working lining.Wherein matrix uses steel matrix, work
Layer is by abrasive material and bonding agent according to 3：5 volume ratio is mixed with；
It is indicated with volumn concentration, the raw material group of the bonding agent becomes：Aluminium 25%, titanium 5%, silicon 15% and copper
55%, additionally incorporate the lubricant 320# graphite for accounting for four kinds of raw material total volumes 15%.
The grain size of aluminium, titanium, silicon and copper that the present embodiment uses is 800 mesh with thin；Abrasive material uses 64 μm of diamond, takes
The 75% of diamond total weight carries out copper facing, and plating amount of copper is the 22% of abrasive material and copper facing total weight.
Embodiment 2：
The embodiment of the present invention 1 is ground the preparation method of the superhard emery wheel of hard metal, and the detailed step of the preparation method is such as
Under：
A, aluminium, titanium, silicon, four kinds of raw materials of copper and profit are weighed first, in accordance with the raw material composition ratio of bonding agent described in embodiment 1
Lubrication prescription 320# graphite；
B, four kinds of aluminium weighed, titanium, silicon, copper raw materials are placed in three-dimensional material mixer and are uniformly mixed, gained mixture is added
Melting is carried out in intermediate frequency furnace, and aluminium alloy is smelted under conditions of temperature is 1300 ± 20 DEG C；Gained aluminium alloy is used
Hydraulic atomized method is prepared into 20~40 μm of pre-alloyed powder；
C, the lubricant 320# graphite weighed is subjected to electroless copper, lubricant gain in weight is former lubricant weight after copper facing
8%；
D, the obtained copper facing lubricant of the obtained pre-alloyed powders of step b and step c is mixed, is surpassed after mixing
Hard grind wheel bonding agent；
E, 64 μm of diamonds of abrasive material and bonding agent are weighed according to the proportion scale of working lining described in embodiment 1, by what is weighed
64 μm of diamonds of abrasive material take it to account for the diamond of diamond total weight 75% and carry out copper facing, and plating amount of copper is abrasive material and copper facing total weight
22%；64 μm of diamonds of remaining non-copper facing and copper-plated 64 μm of diamonds are mixed, compound abrasive is obtained；By gained
Compound abrasive is soaked using glycerine, and the abrasive material after wetting is added in the superhard emery wheel bonding agent that step d is obtained, using three
It ties up batch mixer to be uniformly mixed, obtains superhard emery wheel recruitment and make formable layer material；
F, the working lining molding mass that step e is obtained uniformly is put into the graphite jig of assembling, then carries out precompressed；In advance
Mold after pressure is placed in hot press with high frequency, is vacuumized and under the conditions of 360 DEG C with 3t/cm2Carry out the hot pressing of 25min, hot pressing
Water cooling mould unloading afterwards obtains superhard emery wheel recruitment and makees layer；
G, the superhard emery wheel recruitment that step f is obtained is bonded to as layer in abrasive wheel substrate i.e. steel matrix, obtain emery wheel half at
Product；Diamond-impregnated wheel semi-finished product are processed grinding, finishing, obtain the superhard emery wheel of product.
The present embodiment prepares the superhard emery wheel of gained and is ground HM EMT210UF millings on EMAG Reinecker RS12 grinding machines
Knife 012mm, feed speed vf=200mm/min, amount of feeding ae=2.8mm, cutting speed vc=18m/s, material removing rate Qw=
9.3mm3/mm·s。
Embodiment 3：
The present invention is ground the superhard emery wheel of hard metal, including matrix and working lining.Wherein matrix uses aluminum substrate, work
Layer is by abrasive material and bonding agent according to 4：5 volume ratio is mixed with；
It is indicated with volumn concentration, the raw material group of the bonding agent becomes：Aluminium 45%, titanium 7%, silicon 10% and copper
38%, additionally incorporate the lubricant 800# molybdenum disulfide for accounting for four kinds of raw material total volumes 10%.
The grain size of aluminium, titanium, silicon and copper that the present embodiment uses is 800 mesh with thin；Abrasive material uses 46 μm of diamond, takes
The 50% of diamond total weight carries out copper facing, and plating amount of copper is the 15% of abrasive material and copper facing total weight.
Embodiment 4：
The embodiment of the present invention 3 is ground the preparation method of the superhard emery wheel of hard metal, and the detailed step of the preparation method is such as
Under：
A, aluminium, titanium, silicon, four kinds of raw materials of copper and profit are weighed first, in accordance with the raw material composition ratio of bonding agent described in embodiment 3
Lubrication prescription 800# molybdenum disulfide；
B, four kinds of aluminium weighed, titanium, silicon, copper raw materials are placed in three-dimensional material mixer and are uniformly mixed, gained mixture is added
Melting is carried out in intermediate frequency furnace, and aluminium alloy is smelted under conditions of temperature is 1300 ± 20 DEG C；Gained aluminium alloy is used
Hydraulic atomized method is prepared into 20~40 μm of pre-alloyed powder；
C, the lubricant 800# molybdenum disulfide weighed is subjected to electroless copper, lubricant gain in weight is former lubricant after copper facing
The 15% of weight；
D, the obtained copper facing lubricant of the obtained pre-alloyed powders of step b and step c is mixed, is surpassed after mixing
Hard grind wheel bonding agent；
E, 46 μm of diamonds of abrasive material and bonding agent are weighed according to the proportion scale of working lining described in embodiment 3, by what is weighed
46 μm of diamonds of abrasive material take it to account for the diamond of diamond total weight 50% and carry out copper facing, and plating amount of copper is abrasive material and copper facing gross weight
The 15% of amount；46 μm of diamonds of remaining non-copper facing and copper-plated 46 μm of diamonds are mixed, compound abrasive is obtained；By institute
It obtains compound abrasive to be soaked using oleic acid, the abrasive material after wetting is added in the superhard emery wheel bonding agent that step d is obtained, and uses
Three-dimensional material mixer is uniformly mixed, and is obtained superhard emery wheel recruitment and is made formable layer material；
F, the working lining molding mass that step e is obtained uniformly is put into the graphite jig of assembling, then carries out precompressed；In advance
Mold after pressure is placed in hot press with high frequency, is vacuumized and under the conditions of 380 DEG C with 3t/cm2Carry out the hot pressing of 30min, hot pressing
Water cooling mould unloading afterwards obtains superhard emery wheel recruitment and makees layer；
G, layer is made into the superhard emery wheel recruitment that step f is obtained and abrasive wheel substrate i.e. aluminium base is bonded to using epoxyn
On body, emery wheel semi-finished product are obtained；Diamond-impregnated wheel semi-finished product are processed grinding, finishing, obtain the superhard emery wheel of product.
The superhard emery wheel that the present embodiment is prepared is ground HM EMT 210UF milling cutter 012mm on ANCA TX7+ grinding machines,
Feed speed vf=110mm/min, amount of feeding ae=5mm, cutting speed vc=18m/s, material removing rate Qw=9.16mm3/
mm·s。
Embodiment 5：
The present invention is ground the superhard emery wheel of hard metal, including matrix and working lining.Wherein matrix uses powdered base, work
Make layer by abrasive material and bonding agent according to 1：15 volume ratio is mixed with；
It is indicated with volumn concentration, the raw material group of the bonding agent becomes：Aluminium 32%, titanium 9%, silicon 21% and copper
38%, additionally incorporate the lubricant 600# polytetrafluoroethylene (PTFE) for accounting for four kinds of raw material total volumes 25%.
The grain size of aluminium, titanium, silicon and copper that the present embodiment uses is 800 mesh with thin；Abrasive material using 76 μm diamond and
The weight ratio of the compound abrasive of cubic boron nitride, wherein diamond and cubic boron nitride is 3:1, take diamond and cubic boron nitride
The 75% of total weight carries out copper facing, and plating amount of copper is the 30% of abrasive material and copper facing total weight.
The powdered base that the present embodiment uses is prepared by the following method：
Powdered base is made of polyimides, iron, aluminium and copper, and the volumn concentration group of four kinds of raw materials becomes polyamides Asia
Amine 55%, iron 15%, aluminium 8% and copper 22%, the granularity of four kinds of raw materials is 400 mesh with thin in powdered base；First, in accordance with powder
The raw material composition ratio of last matrix weighs four kinds of raw materials, and weigh four kinds of raw materials are uniformly mixed, and the mixed material after mixing is thrown
Enter to be placed in mold on press and carry out hot pressing, with 7t/cm under the conditions of 360 DEG C in hot pressing3Carry out hot pressing 60min, heat
Mould unloading after pressure, taking-up obtain powdered base.
Embodiment 6：
The embodiment of the present invention 5 is ground the preparation method of the superhard emery wheel of hard metal, and the detailed step of the preparation method is such as
Under：
A, aluminium, titanium, silicon, four kinds of raw materials of copper and profit are weighed first, in accordance with the raw material composition ratio of bonding agent described in embodiment 5
Lubrication prescription 600# polytetrafluoroethylene (PTFE)；
B, four kinds of aluminium weighed, titanium, silicon, copper raw materials are placed in three-dimensional material mixer and are uniformly mixed, gained mixture is added
Melting is carried out in intermediate frequency furnace, and aluminium alloy is smelted under conditions of temperature is 1300 ± 20 DEG C；Gained aluminium alloy is used
Hydraulic atomized method is prepared into 20~40 μm of pre-alloyed powder；
C, the lubricant 600# polytetrafluoroethylene (PTFE) weighed is subjected to electroless copper, lubricant gain in weight is former lubricates after copper facing
The 24% of agent weight；
D, the obtained copper facing lubricant of the obtained pre-alloyed powders of step b and step c is mixed, is surpassed after mixing
Hard grind wheel bonding agent；
E, abrasive material and bonding agent are weighed according to the proportion scale of working lining described in embodiment 5, abrasive material uses 76 μm of Buddha's warrior attendant
The weight ratio of the compound abrasive of stone and cubic boron nitride, wherein diamond and cubic boron nitride is 3:1, take diamond and cube nitrogen
Change the 75% of boron total weight and carry out copper facing, plating amount of copper is the 30% of abrasive material and copper facing total weight；By remaining not copper-plated mixing
Abrasive material and copper-plated compound abrasive are mixed, and compound abrasive is obtained；Gained compound abrasive is soaked using paraffin, is soaked
Abrasive material afterwards is added in the superhard emery wheel bonding agent that step d is obtained, and is uniformly mixed using three-dimensional material mixer, obtains superhard emery wheel
With work formable layer material；
F, the working lining molding mass that step e is obtained uniformly is put into the graphite jig of assembling, then carries out precompressed；In advance
Mold after pressure is placed in hot press with high frequency, is vacuumized and under the conditions of 380 DEG C with 4t/cm2Carry out the hot pressing of 30min, hot pressing
Water cooling mould unloading afterwards obtains superhard emery wheel recruitment and makees layer；
G, layer is made into the superhard emery wheel recruitment that step f is obtained and abrasive wheel substrate i.e. powder is bonded to using epoxyn
On matrix, emery wheel semi-finished product are obtained；Diamond-impregnated wheel semi-finished product are processed grinding, finishing, obtain the superhard emery wheel of product.
The superhard emery wheel that the present embodiment is prepared is ground steel knot hard on Walter Helitronic Power grinding machines
Alloy, feed speed vf=230mm/min, amount of feeding ae=2.4mm, cutting speed vc=18m/s, material removing rate Qw=
9.2mm3/mm·s。
Embodiment 7：
The present invention is ground the superhard emery wheel of hard metal, including matrix and working lining.Wherein matrix uses Copper substrate, work
Layer is by abrasive material and bonding agent according to 2：3 volume ratio is mixed with；
It is indicated with volumn concentration, the raw material group of the bonding agent becomes：Aluminium 20%, titanium 9%, silicon 13% and copper
58%, additionally incorporate the lubricant 500# fluorinated ethylene propylene for accounting for four kinds of raw material total volumes 30%.
The grain size of aluminium, titanium, silicon and copper that the present embodiment uses is 800 mesh with thin；Abrasive material uses 76 μm of cube nitridation
Boron, all carries out copper facing, and plating amount of copper is the 6% of abrasive material and copper facing total weight.
Embodiment 8：
The embodiment of the present invention 7 is ground the preparation method of the superhard emery wheel of hard metal, and the detailed step of the preparation method is such as
Under：
A, aluminium, titanium, silicon, four kinds of raw materials of copper and profit are weighed first, in accordance with the raw material composition ratio of bonding agent described in embodiment 7
Lubrication prescription 500# fluorinated ethylene propylene；
B, four kinds of aluminium weighed, titanium, silicon, copper raw materials are placed in three-dimensional material mixer and are uniformly mixed, gained mixture is added
Melting is carried out in intermediate frequency furnace, and aluminium alloy is smelted under conditions of temperature is 1300 ± 20 DEG C；Gained aluminium alloy is used
Hydraulic atomized method is prepared into 20~40 μm of pre-alloyed powder；
C, the lubricant 500# fluorinated ethylene propylene weighed is subjected to electroless copper, lubricant gain in weight is former moistens after copper facing
The 5% of lubrication prescription weight；
D, the obtained copper facing lubricant of the obtained pre-alloyed powders of step b and step c is mixed, is surpassed after mixing
Hard grind wheel bonding agent；
E, abrasive material and bonding agent are weighed according to the proportion scale of working lining described in embodiment 7, abrasive material uses 76 μm of cube
Boron nitride, all carries out copper facing, and plating amount of copper is the 6% of abrasive material and copper facing total weight；Gained copper facing abrasive material is carried out using glycerine
Wetting, the abrasive material after wetting are added in the superhard emery wheel bonding agent that step d is obtained, are uniformly mixed, are obtained using three-dimensional material mixer
Make formable layer material to superhard emery wheel recruitment；
F, the working lining molding mass that step e is obtained uniformly is put into the graphite jig of assembling, then carries out precompressed；In advance
Mold after pressure is placed in hot press with high frequency, is vacuumized and under the conditions of 350 DEG C with 4t/cm2Carry out the hot pressing of 20min, hot pressing
Water cooling mould unloading afterwards obtains superhard emery wheel recruitment and makees layer；
G, layer is made into the superhard emery wheel recruitment that step f is obtained using epoxyn to be bonded to abrasive wheel substrate i.e. copper-based
On body, emery wheel semi-finished product are obtained；Diamond-impregnated wheel semi-finished product are processed grinding, finishing, obtain the superhard emery wheel of product.
The superhard emery wheel that the present embodiment is prepared is ground high-speed steel drill 16mm on Saacke UW I-D grinding machines, into
Give speed vf=100mm/min, amount of feeding ae=5mm, cutting speed vc=24m/s, material removing rate Qw=8.3mm3/mm·
s。
Embodiment 9：
The present invention is ground the superhard emery wheel of hard metal, including matrix and working lining.Wherein matrix uses Copper substrate, work
Layer is by abrasive material and bonding agent according to 1：5 volume ratio is mixed with；
It is indicated with volumn concentration, the raw material group of the bonding agent becomes：Aluminium 22%, titanium 6%, silicon 25% and copper
47%, additionally incorporate the lubricant 1000# acrylonitrile-butadienes for accounting for four kinds of raw material total volumes 26%.
The grain size of aluminium, titanium, silicon and copper that the present embodiment uses is 800 mesh with thin；Abrasive material uses 54 μm of diamond, entirely
Portion carries out copper facing, and plating amount of copper is the 12% of abrasive material and copper facing total weight.
Embodiment 10：
The embodiment of the present invention 9 is ground the preparation method of the superhard emery wheel of hard metal, and the detailed step of the preparation method is such as
Under：
A, aluminium, titanium, silicon, four kinds of raw materials of copper and profit are weighed first, in accordance with the raw material composition ratio of bonding agent described in embodiment 9
Lubrication prescription 1000# acrylonitrile-butadienes；
B, four kinds of aluminium weighed, titanium, silicon, copper raw materials are placed in three-dimensional material mixer and are uniformly mixed, gained mixture is added
Melting is carried out in intermediate frequency furnace, and aluminium alloy is smelted under conditions of temperature is 1300 ± 20 DEG C；Gained aluminium alloy is used
Hydraulic atomized method is prepared into 20~40 μm of pre-alloyed powder；
C, the lubricant 1000# acrylonitrile-butadienes weighed are subjected to electroless copper, lubricant gain in weight is original after copper facing
The 30% of lubricant weight；
D, the obtained copper facing lubricant of the obtained pre-alloyed powders of step b and step c is mixed, is surpassed after mixing
Hard grind wheel bonding agent；
E, abrasive material and bonding agent are weighed according to the proportion scale of working lining described in embodiment 9, abrasive material uses 54 μm of Buddha's warrior attendant
Stone, all carries out copper facing, and plating amount of copper is the 12% of abrasive material and copper facing total weight；Gained copper facing abrasive material is moistened using oleic acid
Wet, the abrasive material after wetting is added in the superhard emery wheel bonding agent that step d is obtained, and is uniformly mixed, is obtained using three-dimensional material mixer
Formable layer material is made in superhard emery wheel recruitment；
F, the working lining molding mass that step e is obtained uniformly is put into the graphite jig of assembling, then carries out precompressed；In advance
Mold after pressure is placed in hot press with high frequency, is vacuumized and under the conditions of 380 DEG C with 5t/cm2Carry out the hot pressing of 30min, hot pressing
Water cooling mould unloading afterwards obtains superhard emery wheel recruitment and makees layer；
G, layer is made into the superhard emery wheel recruitment that step f is obtained using epoxyn to be bonded to abrasive wheel substrate i.e. copper-based
On body, emery wheel semi-finished product are obtained；Diamond-impregnated wheel semi-finished product are processed grinding, finishing, obtain the superhard emery wheel of product.
The superhard emery wheel that the present embodiment is prepared is ground K30 drill bit 20mm, feed speed v on Anca TX7+ grinding machinesf
=140mm/min, amount of feeding ae=3.4mm, cutting speed vc=20m/s, material removing rate Qw=7.9mm3/mm·s。
Claims (10)
1. a kind of superhard emery wheel of grinding hard metal, including matrix and working lining, it is characterised in that：The working lining is by grinding
Material and bonding agent are according to 1：1~15 volume ratio is prepared；
It is indicated with volumn concentration, the raw material group of the bonding agent becomes：Aluminium 20~60%, titanium 5~10%, silicon 10~25%
With copper 25~60%, the lubricant for accounting for four kinds of raw material total volumes 10~30% is additionally incorporated.
2. the superhard emery wheel of grinding hard metal according to claim 1, it is characterised in that：The abrasive material be diamond,
The mixture of both cubic boron nitride or diamond and cubic boron nitride；The grain size of the abrasive material is 10~181 μm.
3. the superhard emery wheel of grinding hard metal according to claim 2, it is characterised in that：The abrasive material grinds for copper facing
Material, plating amount of copper are the 5~30% of abrasive material and copper facing total weight.
4. the superhard emery wheel of grinding hard metal according to claim 1, it is characterised in that：The aluminium, titanium, silicon and copper
Grain size is 800 mesh with thin.
5. the superhard emery wheel of grinding hard metal according to claim 1, it is characterised in that：The lubricant is inorganic particulate
Grain lubricant or organic granular lubricant.
6. the superhard emery wheel of grinding hard metal according to claim 5, it is characterised in that：The inorganic particle lubricant
For at least one of graphite, hexagonal boron nitride and molybdenum disulfide；
The organic granular lubricant is acrylonitrile-butadiene, styrene copolymer, copolyoxymethylenes, chlorinated polyether, gathers
Tetrafluoroethene, fluorinated ethylene propylene, Kynoar, ionomer, nylon, polyphenylene oxide, polyvinyl chloride, gathers polytrifluorochloroethylene
At least one in vinylidene chloride, makrolon, polyester terephthalate, polyethylene, polysulfones and styrene-butadiene-copolymer
Kind.
7. the superhard emery wheel of grinding hard metal according to claim 1, it is characterised in that：Described matrix be steel matrix,
Aluminum substrate, Copper substrate or powdered base.
8. it is according to claim 7 grinding hard metal superhard emery wheel, which is characterized in that the powdered base be by with
Lower section method is prepared：
Powdered base is made of polyimides, iron, aluminium and copper, and the volumn concentration group of four kinds of raw materials becomes polyimides 40
~70%, iron 10~20%, aluminium 5~20% and copper 15~45%, in powdered base the granularity of four kinds of raw materials be 400 mesh with
Carefully；Four kinds of raw materials are weighed first, in accordance with the raw material composition ratio of powdered base, weigh four kinds of raw materials are uniformly mixed, after mixing
Mixed material input mold in be placed on press and carry out hot pressing, in hot pressing under the conditions of 350 DEG C~380 DEG C with 3~
8t/cm330~120min of hot pressing, mould unloading after hot pressing are carried out, taking-up obtains powdered base.
9. a kind of preparation method of the superhard emery wheel of grinding hard metal, which is characterized in that the preparation method includes following step
Suddenly：
A, aluminium, titanium, silicon, four kinds of raw materials of copper and lubrication are weighed first, in accordance with the raw material composition ratio of bonding agent described in claim 1
Agent；
B, four kinds of aluminium weighed, titanium, silicon, copper raw materials are placed in three-dimensional material mixer and are uniformly mixed, intermediate frequency is added in gained mixture
Melting is carried out in induction furnace, and aluminium alloy is smelted under conditions of temperature is 1300 ± 20 DEG C；Gained aluminium alloy is used into high pressure
Water atomization is prepared into 20~40 μm of pre-alloyed powder；
C, the lubricant weighed is subjected to copper facing, lubricant gain in weight is the 5~30% of former lubricant weight after copper facing；
D, the obtained copper facing lubricant of the obtained pre-alloyed powders of step b and step c is mixed, superhard abrasive is obtained after mixing
Wheel bonding agent；
E, abrasive material and bonding agent are weighed according to the proportion scale of working lining described in claim 1, by the abrasive material weighed using wetting
Agent is soaked, and the abrasive material after wetting is added in bonding agent, is uniformly mixed using three-dimensional material mixer, is obtained superhard emery wheel recruitment and is made
Formable layer material；
F, the working lining molding mass that step e is obtained uniformly is put into the graphite jig of assembling, then carries out precompressed；After precompressed
Mold be placed in hot press with high frequency, vacuumize and under the conditions of 350 DEG C~380 DEG C with 3~5t/cm2Carry out 10~30min's
Hot pressing, water cooling mould unloading after hot pressing obtain superhard emery wheel recruitment and make layer；
G, the superhard emery wheel recruitment that step f is obtained is bonded to as layer on abrasive wheel substrate, obtains emery wheel semi-finished product；By Buddha's warrior attendant stone mill
Wheel semi-finished product are processed grinding, finishing, obtain the superhard emery wheel of product.
10. the preparation method of the superhard emery wheel of grinding hard metal according to claim 9, it is characterised in that：Institute in step e
It is oleic acid, glycerine or paraffin to state lubricant.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676541A (en) * | 2018-12-18 | 2019-04-26 | 郑州磨料磨具磨削研究所有限公司 | A kind of grinding of silicon ingot is with being excused from a college course reduction conjunction binding agent ultra hard grinding wheel and its preparation method and application |
| CN110091258A (en) * | 2019-05-09 | 2019-08-06 | 华侨大学 | A kind of alusil alloy bonding agent cubic boron nitride bistrique and its manufacturing method |
| CN110153907A (en) * | 2019-05-09 | 2019-08-23 | 华侨大学 | A kind of alusil alloy bonding agent cubic boron nitride mill and its manufacturing method |
| CN110153908A (en) * | 2019-05-09 | 2019-08-23 | 华侨大学 | A kind of alusil alloy bonding agent diamond-impregnated wheel and its manufacturing method |
| CN110153906A (en) * | 2019-05-09 | 2019-08-23 | 华侨大学 | A kind of alusil alloy bonding agent cubic boron nitride abrasive wheel and its manufacturing method |
| CN110508800A (en) * | 2019-07-04 | 2019-11-29 | 郑州磨料磨具磨削研究所有限公司 | A kind of prealloy powder for being used with combined binder grinding tool of mill hard brittle material and preparation method thereof, grinding tool |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378233A (en) * | 1981-07-24 | 1983-03-29 | Norton Company | Metal bonded grinding wheel containing diamond or CBN abrasive |
| CN1880019A (en) * | 2005-06-17 | 2006-12-20 | 吴诺顿株式会社 | Metal binding agent grinding wheel for discharge finishing |
| CN105563352A (en) * | 2015-12-24 | 2016-05-11 | 中南大学 | Metal bond-containing arachnoid plane diamond grinding wheel and 3D printing production process thereof |
| CN107650032A (en) * | 2017-10-31 | 2018-02-02 | 郑州磨料磨具磨削研究所有限公司 | A kind of abrasive grinding wheel applied to ceramic lock pin based on zirconium oxide PC spheres and preparation method thereof |
-
2018
- 2018-05-29 CN CN201810531530.7A patent/CN108673353A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378233A (en) * | 1981-07-24 | 1983-03-29 | Norton Company | Metal bonded grinding wheel containing diamond or CBN abrasive |
| CN1880019A (en) * | 2005-06-17 | 2006-12-20 | 吴诺顿株式会社 | Metal binding agent grinding wheel for discharge finishing |
| CN105563352A (en) * | 2015-12-24 | 2016-05-11 | 中南大学 | Metal bond-containing arachnoid plane diamond grinding wheel and 3D printing production process thereof |
| CN107650032A (en) * | 2017-10-31 | 2018-02-02 | 郑州磨料磨具磨削研究所有限公司 | A kind of abrasive grinding wheel applied to ceramic lock pin based on zirconium oxide PC spheres and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吉林大学研究生院: "《吉林大学 研究生论文集刊 219900》", 31 December 1990 * |
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| CN110091258A (en) * | 2019-05-09 | 2019-08-06 | 华侨大学 | A kind of alusil alloy bonding agent cubic boron nitride bistrique and its manufacturing method |
| CN110153907A (en) * | 2019-05-09 | 2019-08-23 | 华侨大学 | A kind of alusil alloy bonding agent cubic boron nitride mill and its manufacturing method |
| CN110153908A (en) * | 2019-05-09 | 2019-08-23 | 华侨大学 | A kind of alusil alloy bonding agent diamond-impregnated wheel and its manufacturing method |
| CN110153906A (en) * | 2019-05-09 | 2019-08-23 | 华侨大学 | A kind of alusil alloy bonding agent cubic boron nitride abrasive wheel and its manufacturing method |
| CN110508800A (en) * | 2019-07-04 | 2019-11-29 | 郑州磨料磨具磨削研究所有限公司 | A kind of prealloy powder for being used with combined binder grinding tool of mill hard brittle material and preparation method thereof, grinding tool |
| CN110508800B (en) * | 2019-07-04 | 2021-04-23 | 郑州磨料磨具磨削研究所有限公司 | Pre-alloy powder used for composite binder grinding tool for grinding hard and brittle materials, preparation method of pre-alloy powder and grinding tool |
| CN112959236A (en) * | 2021-02-24 | 2021-06-15 | 合肥铨得合半导体有限责任公司 | Ceramic powder of diamond disk and diamond anti-oxidation sintering method |
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Application publication date: 20181019 |