CN106626087B - Flying disc type welds the preparation method of grooving sheet - Google Patents
Flying disc type welds the preparation method of grooving sheet Download PDFInfo
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- CN106626087B CN106626087B CN201610463098.3A CN201610463098A CN106626087B CN 106626087 B CN106626087 B CN 106626087B CN 201610463098 A CN201610463098 A CN 201610463098A CN 106626087 B CN106626087 B CN 106626087B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
- B28D1/121—Circular saw blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
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- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
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- Mining & Mineral Resources (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The present invention relates to a kind of preparation methods of flying disc type welding grooving sheet, belong to the technical field of cutting tool preparation.The preparation method of the present invention, includes the following steps：Steel matrix is selected, steel matrix is machined out to form interior zone and peripheral ring shaped region；Diamond raw material powder is selected, by cold moudling and hot pressed sintering into diamond segment after mixing, diamond segment includes the main serrated knife head of diamond and diamond shield serrated knife head；Diamond shield serrated knife head compartment of terrain, which is welded on the positive and negative surface of peripheral ring shaped region and extends on the end wall for the peripheral ring shaped region that annular peripheral zone is overseas, between adjacent diamond shield serrated knife head, welds the main serrated knife head of diamond.The flying disc type of preparation welds grooving sheet can positional dissection point faster in high-speed cutting, and by the way that the contact area with rapidoprint can be reduced in matrix side welding diamond shield serrated knife head, Cutting Drag can be greatly reduced, reduce noise, and improve cutting efficiency.
Description
Technical field
The present invention relates to the technical field of Diamond Cutting Toolss, it is more particularly related to which a kind of be used to build
The preparation method of the flying disc type welding grooving sheet of construction.
Background technology
Diamond grooving sheet is a kind of diamond cutting tool of " thickening version ", is widely used in urban construction, road changes
Make, airfield runway construction, the construction such as concrete road surface, it is special to be especially suitable for fluting cutting asphalt joint and hard-burned brick metope etc.
Industry cutting operation.Diamond grooving sheet is mainly made of two parts, matrix and the main support portion that cutter head matrixes are cohesive cutter heads
Point, and cutter head is then the part for playing cutting in use, cutter head can consume in use and constantly, the gold in cutter head
Hard rock is processed object as substance most hard at present, its friction cuttings in cutter head.However diamond of the prior art is opened
Slotted vane, function are relatively simple, it is impossible to adapt to the fluting of different depth and width, and efficiency is also to be improved, it is difficult to meet road
The demands such as face, metope pavement construction.
Invention content
In order to solve above-mentioned technical problem of the prior art, the purpose of the present invention is to provide a kind of welding of flying disc type to open
Slotted vane.
To achieve these goals, present invention employs following technical schemes：
A kind of preparation method of flying disc type welding grooving sheet, it is characterised in that include the following steps：
(1) steel matrix is selected, the steel matrix is machined out to form interior zone and peripheral ring shaped region；
(2) diamond raw material powder is selected, it is described by cold moudling and hot pressed sintering into diamond segment after mixing
Diamond segment includes the main serrated knife head of diamond and diamond shield serrated knife head；
(3) diamond shield serrated knife head compartment of terrain is welded on the positive and negative surface of peripheral ring shaped region and extends to outer collarette
Outside shape region, the main serrated knife of diamond is welded on the end wall of the peripheral ring shaped region between the adjacent diamond shield serrated knife head
Head.
Wherein, the distance at the main serrated knife head of the diamond to interior zone center is more than the diamond and protects serrated knife head to interior
The distance of portion's regional center.
Wherein, the diamond segment is formed by hot pressed sintering, and hot pressed sintering temperature is 740~810 DEG C, and pressure is
300~350kg/cm2。
Wherein, the shape of the main serrated knife head of the diamond is V-arrangement, and the shape of the diamond shield serrated knife head is wedge shape.
Wherein, interior zone machines to form central shaft hole and annular thickening platform, and peripheral ring shaped region machines to be formed
There is gradually thinning thickness outward by center.
Wherein, the steel matrix selection heat-resistant steel matrix, the heat-resistant steel matrix contain C in terms of chemical composition：0.12~
0.18wt%, Si：0.15~2.0wt%, Mn：0.90~1.50wt%, Cr：1.5~2.5wt%, Cu：1.20~2.0wt%,
Al：0.25~0.35wt%, Zr：0.02~0.10wt%, S≤0.03wt%, P≤0.030wt%, surplus is Fe and can not keep away
The impurity exempted from；Wherein, the content of Cu, Al and Zr meet relational expression：[Cu]/([Al]+2 [Zr]) >=3.0, [Cu], [Al] and
[Zr] refers respectively to the mass percent of Cu, Al and Zr.
Wherein, the heat-resistant steel matrix keeps the temperature 30~45 minutes at 900~950 DEG C, is then furnace-cooled to 680~720 DEG C of guarantors
Temperature 2.0~2.5 hours, air-cooled room temperature after being furnace-cooled to 600 DEG C.The steel matrix has good elevated temperature strength, Er Qiejia
Work is good.
Wherein, the raw material of the diamond segment is made of the component of following parts by weight：1.0~2.1 parts of diamond, 15
~36 parts of copper, 24~48 parts of iron, 2~11 parts of nickel, 4~18 parts of cobalt, 3~9 parts of tin, 10~20 parts of rare earth close
Gold, 0.2~0.8 part of atoleine.
Preferably, the raw material of the diamond segment is made of the component of following parts by weight：1.2~1.8 parts of gold
Hard rock, 19~28 parts of copper, 28~42 parts of iron, 4~7 parts of nickel, 8~16 parts of cobalt, 4~7 parts of tin, 13~17 parts dilute
Native alloy, 0.3~0.6 part of atoleine.
Wherein, the rare earth alloy with weight percentage contain the C of 0.10~0.15wt%, the B of 0.05~0.15wt%,
The Si of 2.0~2.5wt%, the Cu of 50~55wt%, the Al of 8.0~10.0wt%, the Ti of 1.0~1.5wt%, 0.05~
The Zr of 0.20wt%, surplus are cerium oxide.The prealloy powder can be for example atomized alloy powder or mechanical alloy powder, from cost
Angle considers that it is preferable to use atomized alloy powder, such as water atomization alloyed powder or aerosolization alloyed powder.
Compared with the immediate prior art, the flying disc type welding grooving sheet that preparation method of the invention obtains is with following
Advantageous effect：
(1) by the design of main serrated knife head and shield serrated knife head, in high-speed cutting can faster positional dissection point, have
Conducive to realization high-speed cutting；And contact area with rapidoprint can be reduced, Cutting Drag can be greatly reduced, reduction is made an uproar
Sound, and improve cutting efficiency.
(2) flying disc type basal body structure and diamond shield serrated knife head greatly reduce contact of the matrix side with rapidoprint
Area, so as to without hard alloy steel matrix, advantageously reduce matrix cost.
(3) thermal diffusivity for not only increasing cutter head by adding special rare earth alloy powder in common metal powder, and
Further improve cutting performance.
Description of the drawings
Fig. 1 is that the flying disc type of the present invention welds the structure diagram of grooving sheet.
Specific embodiment
Flying disc type of the present invention welding grooving sheet is further elaborated below with reference to specific embodiment, with side
Those skilled in the art is helped to have more complete, accurate and deep understanding to inventive concept of the invention, technical solution.
As shown in Figure 1, the flying disc type welding grooving sheet of the present embodiment, including matrix 10, described matrix 10 is by interior zone
It is formed with peripheral ring shaped region 16, the interior zone is provided centrally with axis hole 12, and the interior zone is also formed with annular
Platform 14 is thickeied, the peripheral ring shaped region has gradually thinning thickness outward by center.The peripheral ring shaped region 12 is set
It is equipped with the main serrated knife head 20 of diamond and diamond shield serrated knife head 30.Preferably, the shape of the main serrated knife head of the diamond is V
Shape, the shape of the diamond shield serrated knife head is wedge shape.30 compartment of terrain of diamond shield serrated knife head is welded on annular peripheral zone
On the positive and negative surface in domain and extend to that annular peripheral zone is overseas, the outer collarette between the adjacent diamond shield serrated knife head 30
It is welded with the main serrated knife head 20 of diamond on the end wall in shape region, and the main serrated knife head 20 of the diamond is to interior zone center
Distance is more than diamond shield serrated knife head 30 to the distance at interior zone center, and the range difference for example can be 1~5mm.
The main serrated knife head 20 of diamond is circumferentially evenly distributed on the end wall, the main serrated knife of the diamond described in figure
The quantity of head is 8, and the diamond shield serrated knife head is circumferentially being evenly distributed in the peripheral ring shaped region just
On anti-surface, and the quantity of diamond shield serrated knife head is 8.As illustratively, in an embodiment of the present invention, institute
Matrix is stated as circular base, a diameter of 108mm, the height of the main serrated knife head of diamond is 9mm, and diamond shield serrated knife head exposes matrix
The length of end is 8mm.In the present invention, due to improving the structure design of grooving sheet, thus without expensive
Converted steel.Specifically, described matrix uses heat-resistant steel matrix in the present invention, and the heat-resistant steel matrix is contained in terms of chemical composition
There is C：0.12~0.18wt%, Si：0.15~2.0wt%, Mn：0.90~1.50wt%, Cr：1.5~2.5wt%, Cu：1.20
~2.0wt%, Al：0.25~0.35wt%, Zr：0.02~0.10wt%, S≤0.03wt%, P≤0.030wt%, surplus are
Fe and inevitable impurity；Wherein, the content of Cu, Al and Zr meet relational expression：[Cu]/([Al]+2 [Zr]) >=3.0,
[Cu], [Al] and [Zr] refers respectively to the mass percent of Cu, Al and Zr.The heat-resistant steel matrix keeps the temperature 30 at 900~950 DEG C
It~45 minutes, is then furnace-cooled to 680~720 DEG C and keeps the temperature 2.0~2.5 hours, air-cooled room temperature after being furnace-cooled to 600.The steel
Matrix has good elevated temperature strength, and processability is good.Heat-resistant steel matrix of the present invention can in 500 DEG C of yield strength
To reach more than 550MPa, elongation at break at room temperature can reach more than 20%, and processing performance is good.It is of the present invention to fly
The preparation process of dish-style welding grooving sheet is as follows：1. matrix is processed：According to drawing requirement, matrix needed for wire cutting and Vehicle Processing,
Then by polishing flat；2. diamond segment sinter molding：According to specifically used requirement, metal component and Buddha's warrior attendant are chosen
Stone, by cold moudling after mixing, hot pressed sintering, grinding wheel belt sanding prepares diamond segment；3. laser welding：By main serrated knife
Head is placed on together with matrix in corresponding matrix location by drawing, and the luminous point of laser-beam welding machine is adjusted to cutter head and matrix
Suitable position, start laser-beam welding machine welding, cutter head and matrix is made to weld together in the moment of laser penetration, then with
600N/mm2Strength criterion carries out weld strength detection to each diamond segment；4. protect tooth welding：By the production after laser welding
Product are mounted on high-frequency welding frame, are cleared up matrix surface, are put silver soldering piece, and side is welded on by serrated knife head is protected using high-frequency heating
Face.5. polishing, is examined spray painting：Multi-functional flying disc type welding grooving sheet is used after welding, then with grinder buffing diamond segment
Working face, and diamond is exposed, flying disc type welding grooving sheet multi-functional after welding is polished matrix table with sanding machine
Face is bright, then carries out surface lacquer, dries, to prevent surface oxidisation, finally with 600N/mm2Strength criterion is to each Buddha's warrior attendant
Stone cutter head carries out weld strength detection, and printing packaging is put in storage after qualification.
Embodiment 1
The flying disc type welding grooving sheet of the present embodiment, includes the heat-resistant steel matrix of a diameter of 108mm, heat-resistant steel matrix is by interior
Portion region and peripheral ring shaped region composition, interior zone are provided centrally with axis hole, and the interior zone is also formed with annular and adds
Thick platform, peripheral ring shaped region have gradually thinning thickness outward by center.The peripheral ring shaped region 12 is provided with height
The main serrated knife head 20 of diamond and diamond shield serrated knife head 30 for 9mm.The diamond shield serrated knife head 30 is spaced 45 ° and equably divides
Cloth on the positive and negative surface of peripheral ring shaped region and expose base end length be 8mm.The adjacent diamond shield tooth
The main serrated knife head of diamond is welded on the end wall of peripheral ring shaped region between cutter head 30, between the main serrated knife head of adjacent diamond
Angle is 45 °, and the diamond segment is customized using commercially available diamond segment formula 1 in the present embodiment.
Embodiment 2
The flying disc type welding grooving sheet of the present embodiment, includes the heat-resistant steel matrix of a diameter of 108mm, heat-resistant steel matrix is by interior
Portion region and peripheral ring shaped region composition, interior zone are provided centrally with axis hole, and the interior zone is also formed with annular and adds
Thick platform, peripheral ring shaped region have gradually thinning thickness outward by center.The peripheral ring shaped region 12 is provided with height
The main serrated knife head of diamond and diamond shield serrated knife head for 9mm.The diamond shield serrated knife head 30 is spaced 45 ° and is evenly distributed in
On the positive and negative surface of peripheral ring shaped region and expose base end length be 8mm.The adjacent diamond shield serrated knife head
It is welded with the main serrated knife head of diamond on the end wall of peripheral ring shaped region between 30, the angle between the main serrated knife head of adjacent diamond
It it is 45 °, the diamond segment is customized using commercially available diamond segment formula 2 in the present embodiment.
Embodiment 3
The flying disc type welding grooving sheet of the present embodiment, includes the heat-resistant steel matrix of a diameter of 108mm, heat-resistant steel matrix is by interior
Portion region and peripheral ring shaped region composition, interior zone are provided centrally with axis hole, and the interior zone is also formed with annular and adds
Thick platform, peripheral ring shaped region have gradually thinning thickness outward by center.The peripheral ring shaped region 12 is provided with height
The main serrated knife head of diamond and diamond shield serrated knife head for 9mm.The diamond shield serrated knife head 30 is spaced 45 ° and is evenly distributed in
On the positive and negative surface of peripheral ring shaped region and expose base end length be 8mm.The adjacent diamond shield serrated knife head
It is welded with the main serrated knife head of diamond on the end wall of peripheral ring shaped region between 30, the angle between the main serrated knife head of adjacent diamond
It it is 45 °, diamond segment diamond segment using the present invention is formulated in the present embodiment.
Comparative example 1
The flying disc type welding grooving sheet of this comparative example, includes the heat-resistant steel matrix of a diameter of 108mm, heat-resistant steel matrix is by interior
Portion region and peripheral ring shaped region composition, interior zone are provided centrally with axis hole, and the interior zone is also formed with annular and adds
Thick platform, peripheral ring shaped region have gradually thinning thickness outward by center.The peripheral ring shaped region 12 is provided with height
The main serrated knife head of diamond for 9mm.Angle between the main serrated knife head of adjacent diamond is 45 °, in the present embodiment the Buddha's warrior attendant
Stone cutter head is customized using commercially available diamond formulation 1.
Comparative example 2
The flying disc type welding grooving sheet of this comparative example, includes the heat-resistant steel matrix of a diameter of 108mm, heat-resistant steel matrix is by interior
Portion region and peripheral ring shaped region composition, interior zone are provided centrally with axis hole, and the interior zone is also formed with annular and adds
Thick platform, peripheral ring shaped region have gradually thinning thickness outward by center.The peripheral ring shaped region 12 is provided with height
The main serrated knife head of diamond for 9mm.Angle between the main serrated knife head of adjacent diamond is 45 °, in the present embodiment the Buddha's warrior attendant
Stone cutter head is customized using commercially available diamond formulation 2.
Comparative example 3
The flying disc type welding grooving sheet of this comparative example, includes the heat-resistant steel matrix of a diameter of 108mm, heat-resistant steel matrix is by interior
Portion region and peripheral ring shaped region composition, interior zone are provided centrally with axis hole, and the interior zone is also formed with annular and adds
Thick platform, peripheral ring shaped region have gradually thinning thickness outward by center.The peripheral ring shaped region 12 is provided with height
The main serrated knife head of diamond for 9mm.Angle between the main serrated knife head of adjacent diamond is 45 °, in the present embodiment the Buddha's warrior attendant
Stone cutter head is formulated using commercially available diamond segment diamond segment using the present invention.
Fluting contrast experiment is carried out to pitch with the grooving sheet that Examples 1 to 3 and comparative example 1~3 are prepared, is tested
The result shows that the service life of Examples 1 to 2 is at least 3 times or more (being represented with the length for joint-cutting of slotting) of comparative example 1~2,
And fluting speed can improve more than 10%, and in addition quality is also more preferable.
Embodiment 4
In the present embodiment, granularity accounts for for 35/40 and 35%, 40/45 accounts for 40%, 45/50 and account in the diamond used
25%.Copper powder 2.6kg, iron powder 4.0kg, nickel powder 0.5kg, cobalt powder 1.2kg, tin 0.4kg and rare earth alloy 1.3kg are taken, is put into mixed
After being mixed 30 minutes in charging basket, adding liquid paraffin 0.08kg and diamond 0.2kg continue batch mixing and powder are poured into mould after 4 hours
Cold moudling in tool, hot pressed sintering, hot pressed sintering temperature are 750 DEG C, pressure 350kg/cm2, soaking time 180 seconds.Then it uses
Grinding wheel belt sanding cutter head will be placed in corresponding matrix location by drawing together with cutter head and matrix, by laser-beam welding machine
Luminous point be adjusted to cutter head and the suitable position of matrix, start laser-beam welding machine welding, make cutter head and matrix in laser penetration
Moment welds together, then with 600N/mm2Strength criterion carries out weld strength detection to each diamond segment, then uses
High-frequency welding protects tooth, and multi-functional flying disc type welding grooving sheet is bright with sanding machine polishing matrix surface after welding, then uses grinding wheel
The working face of polishing diamond segment, and diamond is exposed, surface lacquer is then carried out, is dried, to prevent surface from giving birth to
Rust, finally with 600N/mm2Strength criterion carries out each diamond segment weld strength detection, and printing packaging is put in storage after qualification.
Embodiment 5
In the present embodiment, granularity accounts for for 35/40 and 35%, 40/45 accounts for 40%, 45/50 and account in the diamond used
25%.Copper powder 2.4kg, iron powder 3.9kg, nickel powder 0.55kg, cobalt powder 1.3kg, tin 0.45kg and rare earth alloy 1.4kg are taken, is put into
After being mixed 30 minutes in mixing tank, adding liquid paraffin 0.04kg and diamond 0.19kg continue batch mixing and pour into powder after 4 hours
Cold moudling in mold, hot pressed sintering, hot pressed sintering temperature are 750 DEG C, pressure 350kg/cm2, soaking time 180 seconds.Then
With grinding wheel belt sanding cutter head, will be placed in corresponding matrix location by drawing together with cutter head and matrix, by laser welding
The luminous point of machine is adjusted to cutter head and the suitable position of matrix, starts laser-beam welding machine welding, makes cutter head and matrix in laser penetration
Moment weld together, then with 600N/mm2Strength criterion carries out weld strength detection to each diamond segment, then adopts
Tooth is protected with high-frequency welding, multi-functional flying disc type welding grooving sheet is bright with sanding machine polishing matrix surface after welding, then uses sand
The working face of wheel polishing diamond segment, and diamond is exposed, surface lacquer is then carried out, is dried, to prevent surface
It gets rusty, finally with 600N/mm2Strength criterion carries out each diamond segment weld strength detection, and printing packaging enters after qualification
Library.
Embodiment 6
In the present embodiment, granularity accounts for for 35/40 and 35%, 40/45 accounts for 40%, 45/50 and account in the diamond used
25%.Copper powder 2.2kg, iron powder 3.8kg, nickel powder 0.60kg, cobalt powder 1.4kg, tin 0.5kg and rare earth alloy 1.5kg are taken, is put into mixed
After being mixed 30 minutes in charging basket, adding liquid paraffin 0.05kg and diamond 0.15kg continue batch mixing and powder are poured into mould after 4 hours
Cold moudling in tool, hot pressed sintering, hot pressed sintering temperature are 750 DEG C, pressure 350kg/cm2, soaking time 180 seconds.Then it uses
Grinding wheel belt sanding cutter head will be placed in corresponding matrix location by drawing together with cutter head and matrix, by laser-beam welding machine
Luminous point be adjusted to cutter head and the suitable position of matrix, start laser-beam welding machine welding, make cutter head and matrix in laser penetration
Moment welds together, then with 600N/mm2Strength criterion carries out weld strength detection to each diamond segment, then uses
High-frequency welding protects tooth, and multi-functional flying disc type welding grooving sheet is bright with sanding machine polishing matrix surface after welding, then uses grinding wheel
The working face of polishing diamond segment, and diamond is exposed, surface lacquer is then carried out, is dried, to prevent surface from giving birth to
Rust, finally with 600N/mm2Strength criterion carries out each diamond segment weld strength detection, and printing packaging is put in storage after qualification.
In embodiment 4~6, rare earth alloy contained with weight percentage C, 0.05wt% of 0.10wt% B,
The Zr of Ti, 0.05wt% of Al, 1.5wt% of Cu, 10.0wt% of Si, 50wt% of 2.5wt%, surplus are cerium oxide.Institute
Prealloy powder is stated as water atomization alloyed powder.
Embodiment 7
In the present embodiment, granularity accounts for for 35/40 and 35%, 40/45 accounts for 40%, 45/50 and account in the diamond used
25%.Copper powder 2.6kg, iron powder 4.0kg, nickel powder 0.5kg, cobalt powder 1.2kg, tin 0.4kg and rare earth alloy 1.3kg are taken, is put into mixed
After being mixed 30 minutes in charging basket, adding liquid paraffin 0.08kg and diamond 0.2kg continue batch mixing and powder are poured into mould after 4 hours
Cold moudling in tool, hot pressed sintering, hot pressed sintering temperature are 810 DEG C, pressure 300kg/cm2, soaking time 180 seconds.Then it uses
Grinding wheel belt sanding cutter head will be placed in corresponding matrix location by drawing together with cutter head and matrix, by laser-beam welding machine
Luminous point be adjusted to cutter head and the suitable position of matrix, start laser-beam welding machine welding, make cutter head and matrix in laser penetration
Moment welds together, then with 600N/mm2Strength criterion carries out weld strength detection to each diamond segment, then uses
High-frequency welding protects tooth, and multi-functional flying disc type welding grooving sheet is bright with sanding machine polishing matrix surface after welding, then uses grinding wheel
The working face of polishing diamond segment, and diamond is exposed, surface lacquer is then carried out, is dried, to prevent surface from giving birth to
Rust, finally with 600N/mm2Strength criterion carries out each diamond segment weld strength detection, and printing packaging is put in storage after qualification.
Embodiment 8
In the present embodiment, granularity accounts for for 35/40 and 35%, 40/45 accounts for 40%, 45/50 and account in the diamond used
25%.Copper powder 2.4kg, iron powder 3.9kg, nickel powder 0.55kg, cobalt powder 1.3kg, tin 0.45kg and rare earth alloy 1.4kg are taken, is put into
After being mixed 30 minutes in mixing tank, adding liquid paraffin 0.06kg and diamond 0.17kg continue batch mixing and pour into powder after 4 hours
Cold moudling in mold, hot pressed sintering, hot pressed sintering temperature are 810 DEG C, pressure 300kg/cm2, soaking time 180 seconds.Then
With grinding wheel belt sanding cutter head, will be placed in corresponding matrix location by drawing together with cutter head and matrix, by laser welding
The luminous point of machine is adjusted to cutter head and the suitable position of matrix, starts laser-beam welding machine welding, makes cutter head and matrix in laser penetration
Moment weld together, then with 600N/mm2Strength criterion carries out weld strength detection to each diamond segment, then adopts
Tooth is protected with high-frequency welding, multi-functional flying disc type welding grooving sheet is bright with sanding machine polishing matrix surface after welding, then uses sand
The working face of wheel polishing diamond segment, and diamond is exposed, surface lacquer is then carried out, is dried, to prevent surface
It gets rusty, finally with 600N/mm2Strength criterion carries out each diamond segment weld strength detection, and printing packaging enters after qualification
Library.
Embodiment 9
In the present embodiment, granularity accounts for for 35/40 and 35%, 40/45 accounts for 40%, 45/50 and account in the diamond used
25%.Copper powder 2.2kg, iron powder 3.8kg, nickel powder 0.60kg, cobalt powder 1.4kg, tin 0.5kg and rare earth alloy 1.5kg are taken, is put into mixed
After being mixed 30 minutes in charging basket, adding liquid paraffin 0.05kg and diamond 0.15kg continue batch mixing and powder are poured into mould after 4 hours
Cold moudling in tool, hot pressed sintering, hot pressed sintering temperature are 810 DEG C, pressure 300kg/cm2, soaking time 180 seconds.Then it uses
Grinding wheel belt sanding cutter head will be placed in corresponding matrix location by drawing together with cutter head and matrix, by laser-beam welding machine
Luminous point be adjusted to cutter head and the suitable position of matrix, start laser-beam welding machine welding, make cutter head and matrix in laser penetration
Moment welds together, then with 600N/mm2Strength criterion carries out weld strength detection to each diamond segment, then uses
High-frequency welding protects tooth, and multi-functional flying disc type welding grooving sheet is bright with sanding machine polishing matrix surface after welding, then uses grinding wheel
The working face of polishing diamond segment, and diamond is exposed, surface lacquer is then carried out, is dried, to prevent surface from giving birth to
Rust, finally with 600N/mm2Strength criterion carries out each diamond segment weld strength detection, and printing packaging is put in storage after qualification.
In embodiment 7~9, the rare earth alloy contained with weight percentage C, 0.15wt% of 0.15wt% B,
The Zr of Ti, 0.10wt% of Al, 1.5wt% of Cu, 8.0wt% of Si, 55wt% of 2.5wt%, surplus are cerium oxide.It is described
Prealloy powder is water atomization alloyed powder.
Comparative example 4
In this comparative example, granularity accounts for for 35/40 and 35%, 40/45 accounts for 40%, 45/50 and account in the diamond used
25%.Copper powder 2.6kg, iron powder 4.0kg, nickel powder 0.5kg, cobalt powder 1.2kg, tin 0.4kg and rare earth alloy 1.3kg are taken, is put into mixed
After being mixed 30 minutes in charging basket, adding liquid paraffin 0.08kg and diamond 0.2kg continue batch mixing and powder are poured into mould after 4 hours
Cold moudling in tool, hot pressed sintering, hot pressed sintering temperature are 750 DEG C, pressure 350kg/cm2, soaking time 180 seconds.Then it uses
Grinding wheel belt sanding cutter head will be placed in corresponding matrix location by drawing together with cutter head and matrix, by laser-beam welding machine
Luminous point be adjusted to cutter head and the suitable position of matrix, start laser-beam welding machine welding, make cutter head and matrix in laser penetration
Moment welds together, then with 600N/mm2Strength criterion carries out weld strength detection to each diamond segment, then uses
High-frequency welding protects tooth, and multi-functional flying disc type welding grooving sheet is bright with sanding machine polishing matrix surface after welding, then uses grinding wheel
The working face of polishing diamond segment, and diamond is exposed, surface lacquer is then carried out, is dried, to prevent surface from giving birth to
Rust, finally with 600N/mm2Strength criterion carries out each diamond segment weld strength detection, and printing packaging is put in storage after qualification.
Wherein, rare earth alloy contained with weight percentage Si, 50wt% of B, 2.5wt% of C, 0.05wt% of 0.10wt% Cu,
The Zr of Ti, 0.05wt% of 1.5wt%, surplus are cerium oxide.The prealloy powder is water atomization alloyed powder.
Comparative example 5
In this comparative example, granularity accounts for for 35/40 and 35%, 40/45 accounts for 40%, 45/50 and account in the diamond used
25%.Copper powder 2.4kg, iron powder 3.9kg, nickel powder 0.55kg, cobalt powder 1.3kg, tin 0.45kg and rare earth alloy 1.4kg are taken, is put into
After being mixed 30 minutes in mixing tank, adding liquid paraffin 0.06kg and diamond 0.17kg continue batch mixing and pour into powder after 4 hours
Cold moudling in mold, hot pressed sintering, hot pressed sintering temperature are 750 DEG C, pressure 350kg/cm2, soaking time 180 seconds.Then
With grinding wheel belt sanding cutter head, will be placed in corresponding matrix location by drawing together with cutter head and matrix, by laser welding
The luminous point of machine is adjusted to cutter head and the suitable position of matrix, starts laser-beam welding machine welding, makes cutter head and matrix in laser penetration
Moment weld together, then with 600N/mm2Strength criterion carries out weld strength detection to each diamond segment, then adopts
Tooth is protected with high-frequency welding, multi-functional flying disc type welding grooving sheet is bright with sanding machine polishing matrix surface after welding, then uses sand
The working face of wheel polishing diamond segment, and diamond is exposed, surface lacquer is then carried out, is dried, to prevent surface
It gets rusty, finally with 600N/mm2Strength criterion carries out each diamond segment weld strength detection, and printing packaging enters after qualification
Library.Wherein, rare earth alloy contains Cu, 10.0wt% of Si, 50wt% of C, 2.5wt% of 0.10wt% with weight percentage
The Zr of Ti, 0.05wt% of Al, 1.5wt%, surplus are cerium oxide.The prealloy powder is water atomization alloyed powder.
Comparative example 6
In this comparative example, granularity accounts for for 35/40 and 35%, 40/45 accounts for 40%, 45/50 and account in the diamond used
25%.Copper powder 2.2kg, iron powder 3.8kg, nickel powder 0.60kg, cobalt powder 1.4kg, tin 0.5kg and rare earth alloy 1.5kg are taken, is put into mixed
After being mixed 30 minutes in charging basket, adding liquid paraffin 0.05kg and diamond 0.15kg continue batch mixing and powder are poured into mould after 4 hours
Cold moudling in tool, hot pressed sintering, hot pressed sintering temperature are 750 DEG C, pressure 350kg/cm2, soaking time 180 seconds.Then it uses
Grinding wheel belt sanding cutter head will be placed in corresponding matrix location by drawing together with cutter head and matrix, by laser-beam welding machine
Luminous point be adjusted to cutter head and the suitable position of matrix, start laser-beam welding machine welding, make cutter head and matrix in laser penetration
Moment welds together, then with 600N/mm2Strength criterion carries out weld strength detection to each diamond segment, then uses
High-frequency welding protects tooth, and multi-functional flying disc type welding grooving sheet is bright with sanding machine polishing matrix surface after welding, then uses grinding wheel
The working face of polishing diamond segment, and diamond is exposed, surface lacquer is then carried out, is dried, to prevent surface from giving birth to
Rust, finally with 600N/mm2Strength criterion carries out each diamond segment weld strength detection, and printing packaging is put in storage after qualification.
Wherein, rare earth alloy contained with weight percentage Si, 50wt% of B, 2.5wt% of C, 0.05wt% of 0.10wt% Cu,
The Zr of Al, 0.05wt% of 10.0wt%, surplus are cerium oxide.The prealloy powder is water atomization alloyed powder.
The performance of the diamond segment of hot pressed sintering, with reference to GB/T 230.1-2009 metal materials Rockwell hardness test the 1st
Partial test hardness；Bending strength is measured with reference to GB/T5319-2002 sintered metal materials cross-breaking strength；Reference
GBT5318-1985 sintered metal materials non-incisions impact specimen measures impact flexibility, and the results are shown in Table 1.
Table 1
For the ordinary skill in the art, specific embodiment is only exemplarily described the present invention,
Obviously the present invention specific implementation is not subject to the restrictions described above, as long as employ the inventive concept and technical scheme of the present invention into
The improvement of capable various unsubstantialities or it is not improved by the present invention design and technical solution directly apply to other occasions
, within protection scope of the present invention.
Claims (9)
1. a kind of preparation method of flying disc type welding grooving sheet, it is characterised in that include the following steps：
(1) steel matrix is selected, the steel matrix is machined out to form interior zone and peripheral ring shaped region；Annular peripheral zone
Domain machines to be formed has gradually thinning thickness outward by center；
(2) diamond raw material powder is selected, by cold moudling and hot pressed sintering into diamond segment, the Buddha's warrior attendant after mixing
Stone cutter head includes the main serrated knife head of diamond and diamond shield serrated knife head
(3) diamond shield serrated knife head compartment of terrain is welded on the front surface and anti-surface of peripheral ring shaped region and extends to periphery
Outside annular region, the main serrated knife of diamond is welded on the end wall of the peripheral ring shaped region between adjacent diamond shield serrated knife head
Head；The shape of the main serrated knife head of diamond is V-arrangement, and the shape of the diamond shield serrated knife head is wedge shape.
2. preparation method according to claim 1, it is characterised in that：The main serrated knife head of diamond is to interior zone center
Distance be more than the diamond protect serrated knife head to interior zone center distance.
3. preparation method according to claim 1, it is characterised in that：The diamond segment is formed by hot pressed sintering,
Hot pressed sintering temperature is 740~810 DEG C, and pressure is 300~350kg/cm2。
4. preparation method according to claim 1, it is characterised in that：Interior zone machines to form central shaft hole and annular
Thicken platform.
5. preparation method according to claim 1, it is characterised in that：The steel matrix selects heat-resistant steel matrix, described resistance to
Hot steel matrix contains C in terms of chemical composition：0.12~0.18wt%, Si：0.15~2.0wt%, Mn：0.90~1.50wt%,
Cr：1.5~2.5wt%, Cu：1.20~2.0wt%, Al：0.25~0.35wt%, Zr：0.02~0.10wt%, S≤
0.03wt%, P≤0.030wt%, surplus are Fe and inevitable impurity；Wherein, the content of Cu, Al and Zr meet relationship
Formula：[Cu]/([Al]+2 [Zr]) >=3.0, [Cu], [Al] and [Zr] refers respectively to the mass percent of Cu, Al and Zr.
6. preparation method according to claim 5, it is characterised in that：The heat-resistant steel matrix keeps the temperature 30 at 900~950 DEG C
It~45 minutes, is then furnace-cooled to 680~720 DEG C and keeps the temperature 2.0~2.5 hours, air-cooled room temperature after being furnace-cooled to 600 DEG C.
7. preparation method according to claim 1, it is characterised in that：The raw material of the diamond segment is by following parts by weight
Component composition：1.0~2.1 parts of diamond, 15~36 parts of copper, 24~48 parts of iron, 2~11 parts of nickel, 4~18 parts
Cobalt, 3~9 parts of tin, 10~20 parts of rare earth alloy, 0.2~0.8 part of atoleine.
8. preparation method according to claim 7, it is characterised in that：The raw material of the diamond segment is by following parts by weight
Component composition：1.2~1.8 parts of diamond, 19~28 parts of copper, 28~42 parts of iron, 4~7 parts of nickel, 8~16 parts
Cobalt, 4~7 parts of tin, 13~17 parts of rare earth alloy, 0.3~0.6 part of atoleine.
9. preparation method according to claim 7 or 8, it is characterised in that：The rare earth alloy is contained with weight percentage
The C of 0.10~0.15wt%, the B of 0.05~0.15wt%, the Si of 2.0~2.5wt%, the Cu of 50~55wt%, 8.0~
The Al of 10.0wt%, the Ti of 1.0~1.5wt%, 0.05~0.20wt% Zr, surplus is cerium oxide.
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| CN109267461A (en) * | 2017-07-17 | 2019-01-25 | 江苏锋泰工具有限公司 | Laser welding diamond saw bit |
| CN107253290B (en) * | 2017-07-17 | 2020-04-21 | 江苏锋泰工具有限公司 | Staggered-tooth-arrangement diamond saw blade and preparation method thereof |
| CN107866573A (en) * | 2017-12-01 | 2018-04-03 | 湖北银天钻石科技有限公司 | A kind of powdered metallurgical material and the method using its manufacture diamond disc |
| CN111761734B (en) * | 2019-09-05 | 2022-04-12 | 江苏锋泰工具有限公司 | Ceramic cutting saw blade and preparation method thereof |
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