CN108356718A - A kind of soldering CBN abrasive material inserted sheet composite wheels and its manufacturing method - Google Patents
A kind of soldering CBN abrasive material inserted sheet composite wheels and its manufacturing method Download PDFInfo
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- CN108356718A CN108356718A CN201810126934.8A CN201810126934A CN108356718A CN 108356718 A CN108356718 A CN 108356718A CN 201810126934 A CN201810126934 A CN 201810126934A CN 108356718 A CN108356718 A CN 108356718A
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- Prior art keywords
- cbn
- emery wheel
- soldering
- weld tabs
- grinding
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- 238000005476 soldering Methods 0.000 title claims abstract description 104
- 239000003082 abrasive agent Substances 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 229910001651 emery Inorganic materials 0.000 claims abstract description 81
- 238000000227 grinding Methods 0.000 claims abstract description 75
- 239000011347 resin Substances 0.000 claims abstract description 40
- 229920005989 resin Polymers 0.000 claims abstract description 40
- 238000005498 polishing Methods 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000002356 single layer Substances 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000011159 matrix material Substances 0.000 claims description 32
- 239000006061 abrasive grain Substances 0.000 claims description 16
- 238000005219 brazing Methods 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 17
- 239000010959 steel Substances 0.000 abstract description 17
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 229910052593 corundum Inorganic materials 0.000 description 7
- 239000010431 corundum Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000007596 consolidation process Methods 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- B24D3/20—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 organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
-
- 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
- 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
-
- 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
- B24D7/16—Bushings; Mountings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of soldering CBN abrasive material inserted sheet composite wheels and its manufacturing methods, belong to steel grinding field, for rail, steel pipe, steel ingot grinding etc.；This method making step is broadly divided into：1) soldering CBN weld tabs is made according to made emery wheel size design；2) respective numbers weld tabs is placed in emery wheel resin mixture mold；3) it presses resin emery wheel manufacture craft and carries out follow-up emery wheel manufacture；The composite wheel combination single layer soldering CBN tools of the present invention are to the high hold of abrasive material, high exposure degree, high sharpness and the original certain toughness of resin emery wheel, realize the MULTILAYER COMPOSITE grinding of single layer soldering CBN abrasive materials, the shortcomings that compensating for single layer soldering CBN tool work layer short lifes；Meanwhile the addition with CBN abrasive material soldering lugs, the integral strength of primary resin grinding wheel is improved, the grinding efficiency of grinding wheel is improved, improves polishing surface quality, the grinding service life of grinding wheel is extended, reduces environmental pollution when polishing.
Description
Technical field
The invention belongs to steel grinding field, in particular to a kind of soldering CBN abrasive material inserted sheet composite wheels and its manufacturers
Method.
Background technology
With the growth year by year of China railways operating mileage, using grinding machine carry out prosthetic polishing as rail maintenance and
Extend the major way of its service life.Steel rail grinding grinding wheel used in the existing various grinding machine in China is with 14-20 corundum
Make the resin wheel of abrasive material.Resin wheel itself has certain toughness, is damaged to the impact of rail when can mitigate polishing.But
Resin wheel has environment in bruting process certain pollution because of factors such as resin properties, but because resin wheel itself conduct heat compared with
Slowly, when work, the heat that buffed surface generates is not easy Quick diffusing, is easy that burn phenomenon occurs in grinding surface.In addition, with polishing
Operation is continuously increased, and to reduce the labor intensity of locomotive worker, has higher demand to the service life of grinding wheel itself.
Cubic boron nitride (CBN) is that the hardness of mankind's synthesis is only second to diamond and significantly larger than common corundum and silicon carbide
The superhard material of equal abrasive materials.Compared to conventional abrasive materials such as corundum, CBN is sharper, possesses higher cutting power.CBN can be with
The high temperature for bearing 1250-1350 degrees Celsius, more taller than the heat resistance of diamond, chemical inertness is strong, is not easy and iron family element
Chemical reaction is generated, the grinding to metals such as steel is suitble to.CBN thermal conductivities up to tens times to hundred times of corundum wheel,
Grinding heat can thus be exported rapidly, reduces machining deformation.
Existing CBN grinding wheels can be divided into electroplating CBN grinding wheel, sintering CBN grinding wheels, resin CBN grinding wheels and vitrified bond CBN sand
Take turns four classes.Electroplating CBN grinding wheel only has one layer of coating, and relative to soldering CBN tools, longevity relatively low to the hold of abrasive grain
It orders poor.Sintering CBN Wheel hardness is big, density is high, of high cost, is mainly used for the high-precision processing of superhard material.Resin CBN sand
Wheel, this is low but very low to the hold of CBN abrasive materials for production liter, and consumption is larger.Vitreous bond CBN wheels power is stronger, high
It is not easy to burn in speed processing, but grinding wheel brittleness itself is too big, is suitble to ultrahigh speed finishing, is not suitable for the height such as steel rail grinding
Impact, the polishing operating mode of big stock removal.There is not also the steel rail grinding grinding wheel for making abrasive material using CBN to be actually used instantly.
Soldering tech can securely hold cubic boron nitride on matrix.Single layer soldering CBN tools possess abrasive grain high
Hold, abrasive grain exposure degree is big, and sharpness is high, and cutting, grinding efficiency are high；Compared to similar plating abrasive material tools, have more
The service life advantage held a safe lead.Only there is pole excellent performance in single layer abrasive material doctor because it is higher by toughness, how to be answered
Become a big difficulty for MULTILAYER COMPOSITE grinding.
Invention content
The present invention is directed to problems of the prior art, and the invention discloses a kind of soldering CBN abrasive material inserted sheet complex sands
Wheel and its manufacturing method, the grinding wheel prepared by this method are higher by sword degree, high hold, matching tree using single layer soldering CBN
The characteristics of toughness and MULTILAYER COMPOSITE of fat grinding wheel, improves the grinding performance of existing steel rail grinding grinding wheel, improves grinding surface quality,
It reduces grinding burn and polishing is polluted, increase the service life of primary resin grinding wheel, and realize industrialization production.
The invention is realized in this way：
A kind of soldering CBN abrasive material inserted sheet composite wheels, which is characterized in that the composite wheel includes abrasive wheel substrate, mill
Take turns the emery wheel resin mixture of matrix upper end；The entire upper end of the emery wheel resin mixture is emery wheel polishing operative end surface；
On the basis of the centre position of emery wheel inside and outside circle, CBN weld tabs is inserted into emery wheel resin mixture, the long side of CBN weld tabs is a,
Broadside is b；The CBN weld tabs is placed vertically according to long side a, and mode parallel with emery wheel polishing operative end surface broadside b is inserted into, wherein
Long side a is vertical with emery wheel polishing operative end surface or at the inclination angle for being more than 30 ° less than 90 °；In CBN weld tabs broadside b and its line segment
The line institute r values at an acute angle in point and the emery wheel center of circle are ranging from more than 0 ° and are less than 75 °, unified along clockwise in the same emery wheel
Or counterclockwise equidirectional is put.
Further, the matrix of the CBN weld tabs is stainless steel weld tabs matrix；The weld tabs matrix thickness is 0.15mm
~0.5mm；The length a of the matrix is 20mm~85mm, and width b is 10mm~45mm.
Further, rule is distributed through-hole on the CBN weld tabs；The through-hole is round, diamond shape or other polygon different
Type hole, general average pore size are 3mm~8mm.
The invention also discloses a kind of its manufacturing methods of soldering CBN abrasive material inserted sheet composite wheels, which is characterized in that method
It is as follows：
Step 1：Soldering CBN weld tabs is made according to made emery wheel size design；
Step 2：The merging of respective numbers weld tabs is got ready in emery wheel resin mixture mold；
Step 3：After placing soldering lug, according to emery wheel hot pressing processing technology, subsequent emery wheel making is carried out.
In making, when the batch mixing to placing soldering lug carries out the manufacturing procedures such as follow-up hot pressing, it should be noted that emery wheel suppress and
The equilibrium of its hot pressing temperature radiation prevents the defects of part is loose phenomenon.
Further, the step one is specially：
1.1, select the stainless steel of thickness 0.15mm~0.5mm to make corresponding weld tabs matrix, the length a of matrix is 20mm
~85mm, width b are 10mm~45mm；
1.2, using soldering CBN copper base solders, CBN abrasive materials, system are brazed on weld tabs matrix two sides by vacuum brazing furnace
Obtain CBN weld tabs.
Further, soldering CBN abrasive grain sizes in the CBN weld tabs two sides are 10~60 mesh.
Further, the unordered arrangement of CBN abrasive materials or ordered arrangement；The CBN weld tabs surface abrasive density models
It encloses for 40%-80%.
Further, rule is distributed through-hole on the CBN weld tabs.It is more firm that distribution through-hole can be such that weld tabs is combined in emery wheel
Gu through-hole can be round, diamond shape or other polygon profiled holes, general average pore size is 3mm to 8mm, to facilitate corundum in resin
Abrasive material etc. passes through.
Further, the step two is specially：
2.1, CBN weld tabs are put on the basis of the centre position of emery wheel inside and outside circle；
2.2, according to emery wheel grinding thichness and weld tabs size, when selecting soldering lug length longer, i.e. 40mm<When a, in emery wheel
Only put one layer；When inserted sheet length is shorter, i.e. when 20mm≤a≤40mm, multi-layered brazing piece, each layer pricker are put up and down in emery wheel
The intervals 5mm-15mm are reserved between weld tabs；The short CBN weld tabs of multilayer or the long CBN weld tabs of single layer are put in emery wheel, single layer weld tabs is placed
Minimum number N is calculated according to lower formula：
In formula, N is to place soldering lug quantity, is positive integer；B is soldering lug broadside width, and unit is millimeter；R is soldering
Piece broadside and angle of the point with emery wheel circle center line connecting among it, ranging from 0 °<r<75°；R is radius of circle among emery wheel inside and outside circle,
Unit is millimeter；K is characterized weighting coefficient, ranging from 0.1-5；Arccos () indicates inverse cosine function.
As k=0.5, soldering lug is distributed with former corundum abrasive equidistant interval, sequentially participates in grinding；It is each to be brazed when k >=1
Be ground between piece range close to or partial stack, when work persistently participate in being ground.K values are bigger, simultaneously participate in the soldering the piece number of grinding
Amount is more.
The advantageous effect of the present invention compared with prior art is：
1) compared to existing steel rail grinding emery wheel, present invention incorporates single layer soldering CBN tools to the high hold of abrasive material,
High exposure degree and high sharpness and the original certain toughness of resin emery wheel realize the MULTILAYER COMPOSITE mill of single layer soldering CBN abrasive materials
It cuts, compensates for the thin disadvantage of single layer soldering CBN tool work layers, successfully by CBN abrasive applications in rail grinding.This grinding wheel
To combine the composite wheel of soldering CBN abrasive materials inserted sheet and resin wheel, it is mainly used for steel grinding field, inserted sheet quantity and placement
Mode is according to using climatic conditioning；
2) present invention improves the grinding performance of existing steel rail grinding grinding wheel, improves grinding surface quality, reduces grinding burn
It is polluted with polishing, increases the service life of primary resin grinding wheel, and industrialization production may be implemented；
3) because of the softer characteristic of resin itself, single layer CBN soldering lugs do not have the abrasive grain as sintering CBN cakings in emery wheel
Expose and go out the more difficult puzzlement of sword.On the other hand, the addition for carrying CBN abrasive material soldering lugs, improves the entirety of primary resin grinding wheel
Intensity improves the grinding efficiency of grinding wheel, improves polishing surface quality, increases the grinding service life of grinding wheel, reduces polishing
When environmental pollution.
Description of the drawings
Fig. 1 is the vertical view of present invention soldering CBN abrasive material inserted sheet composite wheels；
Fig. 2 be the present invention soldering CBN abrasive materials inserted sheet composite wheel A-A to sectional view；
Fig. 3 is the soldering sheet matrix schematic diagram that present invention soldering CBN abrasive material inserted sheet composite wheels carry through-hole；
Fig. 4 is present invention soldering CBN abrasive material inserted sheet composite wheel soldering lugs broadside and emery wheel concentric circles position in emery wheel
Relation schematic diagram；
Wherein, 1- emery wheels polishing operative end surface, 2-CBN weld tabs, 3- abrasive wheel substrates, 4- emery wheel resin mixtures.
Specific implementation mode
With reference to embodiment, the invention will be further described.As described below is only a part of the embodiment of the present invention, non-
Whole embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Fig. 1~2, composite wheel of the invention includes that abrasive wheel substrate 3, the emery wheel resin of 3 upper end of abrasive wheel substrate are mixed
Close material 4；The entire upper end of the emery wheel resin mixture is emery wheel polishing operative end surface 1；With the interposition of emery wheel inside and outside circle
It is set to benchmark, CBN weld tabs 2 is inserted into emery wheel resin mixture.2 two sides brazing practice size of CBN weld tabs is 10~60 purposes
CBN abrasive materials.
As shown in figure 3, Fig. 3 is several soldering sheet matrix schematic diagrames with through-hole, as shown in the figure and not all pattern.
Rule is distributed through-hole on CBN weld tabs 2, and through-hole is round, the regular hole of diamond shape or other polygon profiled holes, as shown in 3a~3n,
General average pore size is 3mm~8mm.Through-hole is distributed on weld tabs matrix to facilitate passing through for corundum abrasive etc. in resin.
As shown in figure 4, Fig. 4 is CBN weld tabs 2 broadside and emery wheel concentric circles position relationship schematic diagram in emery wheel.Wherein, b
For soldering lug width edge length, the radius of R center circles between emery wheel internal-and external diameter, soldering lug by this justify on the basis of placed.R is pricker
Weld tabs broadside and the acute angle that point radius forms among it excessively.
According to the difference of grinding machine model, existing railway is polished with end face there are mainly three types of grinding wheels, and respectively outer diameter 150mm is beaten
Grinding abrasive disk, 250mm polishing grinding wheel and 260mm polish grinding wheel, polish grinding wheel in outer radius differ 50mm.Soldering lug with emery wheel inside and outside
It is put on the basis of round centre position.Specific embodiment is as follows：
Embodiment 1
A kind of preparation method of outer diameter 150mm composite wheels.It is as follows：
Soldering CBN weld tabs 2 is made according to made emery wheel size design.Reality according to 150mm diameter steel rail grinding grinding wheels
Effective operation thickness cuts the soldering sheet matrix for making long 50mm, width 30mm using the stainless steel plate of thickness 0.2mm.Select 35/
40 mesh CBN make soldering abrasive grain, in soldering sheet matrix two sides ordered arrangement, single side abrasive grain density 65%.Use copper base brazing CBN prickers
Material, soldering consolidation is carried out by vacuum brazing furnace to CBN abrasive materials.
To make soldering lug replace participation grinding work with resinous abrasive materials, it is 0.5 to take k values in calculation formula.Design soldering lug
Placement angle r is 45 °, and center radius of circle R is 50mm, and soldering lug width b is 30mm, passes through following formula：
Each value substitution formula is calculated into obtain N >=8.8 are easy respectively to be placed in emery wheel, set each emery wheel and place 8 prickers
Weld inserted sheet.
By soldering lug by clockwise with spacing insertion get ready in the mold of resin mixture.After placing, ground with primary resin
Production process is taken turns to carry out the hot-forming of emery wheel and wind the follow-up making of protective glass fibre etc. in periphery.
It examines and whether there is waste product defect in production process, it is intact both to obtain composite wheel.
Embodiment 2
A kind of preparation method of outer diameter 250mm composite wheels.It is as follows：
Soldering CBN weld tabs 2 is made according to made emery wheel size design.The reality of steel rail grinding grinding wheel according to outer diameter 250mm
The effective operation thickness in border cuts the soldering sheet matrix for making long 55mm, width 24mm using the stainless steel plate of thickness 0.2mm.Matrix
Per se with through-hole, pattern is as shown in Figure 3b.35/40 mesh CBN is selected to make soldering abrasive grain, in the soldering sheet matrix unordered row in two sides
Cloth, single side abrasive grain density 70%.Using copper base brazing CBN solders, soldering consolidation is carried out to CBN abrasive materials by vacuum brazing furnace.
Design soldering lug replaces participation grinding work with resinous abrasive materials, and it is 0.5 to take k values in calculation formula.Design soldering lug
Placement angle r is 30 °, and center radius of circle R is 100mm, and soldering lug width b is 24mm, and each value substitution formula is calculated to obtain N >=27.
To make to be easy uniformly distributed placement in making, sets each emery wheel and place 30 soldering lugs.
Soldering lug is got ready by same sequence, with spacing insertion in the mold of resin mixture.After placing, with primary resin emery wheel
Production process carries out the hot-forming of emery wheel and winds the follow-up making of protective glass fibre etc. in periphery.
It examines and whether there is waste product defect in production process, it is intact both to obtain composite wheel.
Embodiment 3
A kind of preparation method of outer diameter 260mm composite wheels.It is as follows：
Soldering CBN weld tabs 2 is made according to made emery wheel size design.Reality according to 260mm diameter steel rail grinding grinding wheels
Effective operation thickness cuts the soldering sheet matrix for making long 60mm, width 30mm using the stainless steel plate of thickness 0.3mm.Matrix sheet
Body carries through-hole, and pattern is as illustrated in figure 3f.It selects 30/35 mesh CBN to make soldering abrasive grain, is being brazed the unordered arrangement in sheet matrix two sides,
Single side abrasive grain density 70%.Using copper base brazing CBN solders, soldering consolidation is carried out to CBN abrasive materials by vacuum brazing furnace.
Design soldering lug can continuously participate in grinding work in polishing, and it is 1 to take k values in calculation formula.Design soldering lug pendulum
It is 60 ° to put angle r, and center radius of circle R is 105mm, and soldering lug width b is 30mm, and each value substitution calculation formula is obtained minimum pricker
Weld tabs quantity N >=26.To make soldering lug be easy uniformly distributed placement in emery wheel, single emery wheel soldering the piece number 30 is set.
Soldering lug is got ready by same sequence, with spacing insertion in the mold of resin mixture.After placing, with primary resin emery wheel
Production process carries out the hot-forming of emery wheel and winds the follow-up making of protective glass fibre etc. in periphery.
It examines and whether there is waste product defect in production process, it is intact both to obtain composite wheel.
Embodiment 4
A kind of preparation method of outer diameter 150mm composite wheels.It is as follows：
Soldering CBN weld tabs 2 is made according to made emery wheel size design.Reality according to 150mm diameter steel rail grinding grinding wheels
Effective operation thickness cuts the soldering sheet matrix for making long 20mm, width 10mm using the stainless steel plate of thickness 0.15mm.Select 10
Mesh CBN makees soldering abrasive grain, in soldering sheet matrix two sides ordered arrangement, single side abrasive grain density 40%.Use copper base brazing CBN prickers
Material, soldering consolidation is carried out by vacuum brazing furnace to CBN abrasive materials.It brings formula into and calculates the required soldering lug number placed.It is grinding
Multi-layered brazing piece is put up and down in wheel, the intervals 5mm-15mm are reserved between each layer soldering lug.
By soldering lug by clockwise with spacing insertion get ready in the mold of resin mixture.After placing, ground with primary resin
Production process is taken turns to carry out the hot-forming of emery wheel and wind the follow-up making of protective glass fibre etc. in periphery.
It examines and whether there is waste product defect in production process, it is intact both to obtain composite wheel.
Embodiment 5
A kind of preparation method of outer diameter 260mm composite wheels.It is as follows：
Soldering CBN weld tabs 2 is made according to made emery wheel size design.Reality according to 260mm diameter steel rail grinding grinding wheels
Effective operation thickness cuts the soldering sheet matrix for making long 85mm, width 45mm using the stainless steel plate of thickness 0.5mm.Select 60
Mesh CBN makees soldering abrasive grain, in the soldering unordered arrangement in sheet matrix two sides, single side abrasive grain density 80%.Use copper base brazing CBN prickers
Material, soldering consolidation is carried out by vacuum brazing furnace to CBN abrasive materials.
Soldering lug is pressed into every 2 one group of midfeather 10mm, same sequence between each group gets resin mixture ready with spacing insertion
In mold.After placing, carries out the hot-forming of emery wheel with primary resin emery wheel production process and wind protective in periphery
The follow-up making of glass fibre etc..
It examines and whether there is waste product defect in production process, it is intact both to obtain composite wheel.
Claims (9)
1. a kind of soldering CBN abrasive material inserted sheet composite wheels, which is characterized in that the composite wheel includes abrasive wheel substrate (3), mill
Take turns the emery wheel resin mixture (4) of matrix (3) upper end；The entire upper end of the emery wheel resin mixture is emery wheel polishing work
End face (1)；On the basis of the centre position of emery wheel inside and outside circle, CBN weld tabs (2), CBN weld tabs are inserted into emery wheel resin mixture
(2) long side is a, broadside b；The CBN weld tabs (2) is placed vertically according to long side a, broadside b and emery wheel polishing operative end surface (1)
Parallel mode is inserted into, and wherein long side a is vertical with emery wheel polishing operative end surface (1) or at the inclination angle for being more than 30 ° less than 90 °；
Line institute ranging from 0 ° of the r values at an acute angle of CBN weld tabs (2) broadside b and its line segment midpoint and the emery wheel center of circle<r<75 °, same
In emery wheel, unified direction is put.
2. a kind of soldering CBN abrasive material inserted sheet composite wheels according to claim 1, which is characterized in that the CBN weld tabs
(2) matrix is stainless steel weld tabs matrix；The weld tabs matrix thickness is 0.15mm~0.5mm；The length a of the matrix
It is 10mm~45mm for 20mm~85mm, width b.
3. a kind of soldering CBN abrasive material inserted sheet composite wheels according to claim 1, which is characterized in that the CBN weld tabs
(2) rule is distributed through-hole on；The through-hole is round, diamond shape or other polygon profiled holes, general average pore size be 3mm~
8mm。
4. a kind of its manufacturing method of soldering CBN abrasive material inserted sheet composite wheels, which is characterized in that method is as follows：
Step 1：Soldering CBN weld tabs is made according to made emery wheel size design；
Step 2：The merging of respective numbers weld tabs is got ready in emery wheel resin mixture mold；
Step 3：After placing soldering lug, according to emery wheel hot pressing processing technology, subsequent emery wheel making is carried out.
5. a kind of its manufacturing method of soldering CBN abrasive material inserted sheet composite wheels according to claim 4, which is characterized in that
The step one is specially：
1.1, select the stainless steel of thickness 0.15mm~0.5mm to make corresponding weld tabs matrix, the length a of matrix be 20mm~
85mm, width b are 10mm~45mm；
1.2, using soldering CBN copper base solders, CBN abrasive materials are brazed on weld tabs matrix two sides by vacuum brazing furnace, CBN is made
Weld tabs (2).
6. a kind of soldering CBN abrasive material inserted sheet composite wheels according to claim 5, which is characterized in that the CBN weld tabs
(2) soldering CBN abrasive grain sizes in two sides are 10~60 mesh.
7. a kind of soldering CBN abrasive material inserted sheet composite wheels according to claim 5, which is characterized in that the CBN abrasive materials
Unordered arrangement or ordered arrangement；Described CBN weld tabs (2) the surface abrasive density range is 40%-80%.
8. a kind of soldering CBN abrasive material inserted sheet composite wheels according to claim 5, which is characterized in that the CBN weld tabs
(2) rule is distributed through-hole on.
9. a kind of its manufacturing method of soldering CBN abrasive material inserted sheet composite wheels according to claim 4, which is characterized in that
The step two is specially：
2.1, CBN weld tabs (2) are put on the basis of the centre position of emery wheel inside and outside circle；
2.2, according to emery wheel grinding thichness and weld tabs size, when selecting soldering lug length longer, i.e. 40mm<When a, only put in emery wheel
Put one layer；When inserted sheet length is shorter, i.e. when 20mm≤a≤40mm, multi-layered brazing piece, each layer soldering lug are put up and down in emery wheel
Between reserve the intervals 5mm-15mm；The short CBN weld tabs (2) of multilayer is put in emery wheel or the long CBN weld tabs (2) of single layer, single layer weld tabs are put
Minimum number N is set to be calculated according to lower formula：
In formula, N is to place soldering lug quantity, is positive integer；B is soldering lug broadside width, and unit is millimeter；R is that soldering lug is wide
Side and angle of the point with emery wheel circle center line connecting among it, ranging from 0 °<r<75°；R is radius of circle among emery wheel inside and outside circle, unit
For millimeter；K is characterized weighting coefficient, ranging from 0.1-5；Arccos () indicates inverse cosine function.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851096A (en) * | 2022-05-31 | 2022-08-05 | 西安交通大学 | Glass fiber metal composite bonding agent superhard abrasive grinding wheel and preparation method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10151570A (en) * | 1996-11-25 | 1998-06-09 | Iwanaga Zuikou | Stone polishing tool |
| CN200998846Y (en) * | 2007-02-02 | 2008-01-02 | 张小军 | Novel braze welding diamond tool |
| CN102092011A (en) * | 2009-12-11 | 2011-06-15 | 沈阳达亿超硬材料制品有限公司 | Brazed diamond grinding rapid transit railway track slab grinding wheel |
| CN102114619A (en) * | 2010-12-21 | 2011-07-06 | 郭和惠 | Dedicated uniformly-distributed diamond wheel for CRTS two-type plate of high-speed railway and processing technology thereof |
| CN201907068U (en) * | 2010-12-21 | 2011-07-27 | 郭和惠 | Special grinding wheel with evenly-distributed diamonds for Borg plate of high-speed railway |
| CN102896590A (en) * | 2012-09-21 | 2013-01-30 | 南京航空航天大学 | Process for distributing grinding materials of grinding disc of ship body made of brass solder super-hard grinding material |
| CN102990531A (en) * | 2012-11-27 | 2013-03-27 | 南京航空航天大学 | Self-lubricating grinding tool orderly brazed with ultra-hard grinding materials on multi-layers |
| CN103786100A (en) * | 2014-02-26 | 2014-05-14 | 禹州市和汇超硬材料有限公司 | Method for manufacturing brazing monolayer diamond grinding wheel |
| CN203665337U (en) * | 2013-11-29 | 2014-06-25 | 重庆派斯克刀具制造股份有限公司 | Spiral abrasive particle grinding wheel |
| CN104015132A (en) * | 2014-06-17 | 2014-09-03 | 江苏锋泰工具有限公司 | Manufacturing technology of dry diamond-impregnated wheel |
| CN207900965U (en) * | 2018-02-08 | 2018-09-25 | 江苏新砺河磨具科技有限公司 | A kind of special soldering CBN abrasive material inserted sheet composite wheels of novel steel rail polishing |
-
2018
- 2018-02-08 CN CN201810126934.8A patent/CN108356718A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10151570A (en) * | 1996-11-25 | 1998-06-09 | Iwanaga Zuikou | Stone polishing tool |
| CN200998846Y (en) * | 2007-02-02 | 2008-01-02 | 张小军 | Novel braze welding diamond tool |
| CN102092011A (en) * | 2009-12-11 | 2011-06-15 | 沈阳达亿超硬材料制品有限公司 | Brazed diamond grinding rapid transit railway track slab grinding wheel |
| CN102114619A (en) * | 2010-12-21 | 2011-07-06 | 郭和惠 | Dedicated uniformly-distributed diamond wheel for CRTS two-type plate of high-speed railway and processing technology thereof |
| CN201907068U (en) * | 2010-12-21 | 2011-07-27 | 郭和惠 | Special grinding wheel with evenly-distributed diamonds for Borg plate of high-speed railway |
| CN102896590A (en) * | 2012-09-21 | 2013-01-30 | 南京航空航天大学 | Process for distributing grinding materials of grinding disc of ship body made of brass solder super-hard grinding material |
| CN102990531A (en) * | 2012-11-27 | 2013-03-27 | 南京航空航天大学 | Self-lubricating grinding tool orderly brazed with ultra-hard grinding materials on multi-layers |
| CN203665337U (en) * | 2013-11-29 | 2014-06-25 | 重庆派斯克刀具制造股份有限公司 | Spiral abrasive particle grinding wheel |
| CN103786100A (en) * | 2014-02-26 | 2014-05-14 | 禹州市和汇超硬材料有限公司 | Method for manufacturing brazing monolayer diamond grinding wheel |
| CN104015132A (en) * | 2014-06-17 | 2014-09-03 | 江苏锋泰工具有限公司 | Manufacturing technology of dry diamond-impregnated wheel |
| CN207900965U (en) * | 2018-02-08 | 2018-09-25 | 江苏新砺河磨具科技有限公司 | A kind of special soldering CBN abrasive material inserted sheet composite wheels of novel steel rail polishing |
Non-Patent Citations (1)
| Title |
|---|
| 孟江雄等: "有序排布钎焊金刚石磨盘的实验研究" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851096A (en) * | 2022-05-31 | 2022-08-05 | 西安交通大学 | Glass fiber metal composite bonding agent superhard abrasive grinding wheel and preparation method thereof |
| CN114851096B (en) * | 2022-05-31 | 2023-09-05 | 西安交通大学 | Glass fiber metal composite bonding agent superhard abrasive grinding wheel and preparation method thereof |
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Application publication date: 20180803 |