CN106761784B - A kind of polycrystalline diamond hobboing cutter cutter ring and its manufacture craft - Google Patents
A kind of polycrystalline diamond hobboing cutter cutter ring and its manufacture craft Download PDFInfo
- Publication number
- CN106761784B CN106761784B CN201611082213.9A CN201611082213A CN106761784B CN 106761784 B CN106761784 B CN 106761784B CN 201611082213 A CN201611082213 A CN 201611082213A CN 106761784 B CN106761784 B CN 106761784B
- Authority
- CN
- China
- Prior art keywords
- cutter ring
- diamond
- cutter
- temperature
- polycrystalline diamond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 77
- 239000010432 diamond Substances 0.000 title claims abstract description 77
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000011159 matrix material Substances 0.000 claims abstract description 49
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 32
- 239000000956 alloy Substances 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 239000003595 mist Substances 0.000 claims description 9
- 238000010791 quenching Methods 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 238000005496 tempering Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 230000000171 quenching effect Effects 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 229910052903 pyrophyllite Inorganic materials 0.000 claims description 3
- 239000011863 silicon-based powder Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000010583 slow cooling Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 239000011435 rock Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- 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
-
- 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
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Earth Drilling (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A kind of polycrystalline diamond hobboing cutter cutter ring, including cutter ring matrix and the tooth tip for being uniformly arranged on cutter ring matrix external peripheral surface；Wherein mass percent shared by each raw material of cutter ring matrix is respectively as follows: that C is 0.30~0.38%, Si is 0.6~0.8%, Mn is 0.20~0.65%, Cr is 2.7~3.5%, Mo is 2.6~3.4%, V is 1.05~1.40%, Nb is 0.05~0.15%, impurity P≤0.02%, impurity S≤0.02%, Fe surplus；Tooth tip is made of hard alloy substrate and polycrystalline diamond wearing layer.The invention also discloses a kind of support techniques of polycrystalline diamond hobboing cutter cutter ring.The present invention forms cutter ring matrix and tooth tip using separately manufacturing, and unique processing technology is respectively adopted, the high impact toughness and high compression strength, hardness and the wearability of composite polycrystal-diamond for making cutter ring matrix combine, therefore can easily fractured rock while with the high service life, also substantially increase construction drivage efficiency.
Description
Technical field
The invention belongs to tunnel, subway work technical field more particularly to a kind of polycrystalline diamond hobboing cutter cutter ring and its systems
Make technique.
Background technique
Currently, China enters period of flourishing, shield, TBM using shield, TBM method construction mountain tunnel, city underground
The advantages that method is adaptable with its geological conditions, speed of application is fast, few to surrounding enviroment interference has become constructing tunnel engineering method
First choice, and domestic some the ground consisting of hard rock that compressive strength of rock meets or exceeds 100MPa is frequently encountered in the city for building subway
Or the extremely strong sandstone formation of abrasiveness, shield machine tunnel in this stratum, traditional steel hobboing cutter cutter ring serious wear causes to change
Knife is frequent, increases construction risk and engineering cost.Currently, hobboing cutter cutter ring frequently with material be 4Cr5MoSiV1,
40CrNiMo, H13 etc., but these Disc Cutter Ring Materials are single alloy steel, in hard rock and sandstone rock stratum driving, are existed
The problem of wearing no resistance or being easily broken off.For the metal material prepared under general condition, hardness and toughness are a pair of
Contradiction, hardness improve the toughness that certainly will reduce material.
Summary of the invention
The present invention provides that a kind of toughness is strong, hardness is high, wearability is high, anti-to solve shortcoming in the prior art
The polycrystalline diamond hobboing cutter cutter ring and its manufacture craft for pressing performance good.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of polycrystalline diamond hobboing cutter cutter ring, including
Cutter ring matrix and the tooth tip for being uniformly arranged on cutter ring matrix external peripheral surface；Wherein quality hundred shared by each raw material of cutter ring matrix
Dividing ratio to be respectively as follows:, C is 0.30~0.38%, Si is 0.6~0.8%, Mn is 0.20~0.65%, Cr is 2.7~3.5%, Mo is
2.6~3.4%, V is 1.05~1.40%, Nb is 0.05~0.15%, impurity P≤0.02%, impurity S≤0.02%, Fe surplus；
Tooth tip is made of hard alloy substrate and polycrystalline diamond wearing layer, shared by each raw material of polycrystalline diamond wearing layer
Mass percent be respectively as follows: diamond be 80%-82%, Si 6%-7%, Co 12%-13%.
The integral hardness of cutter ring matrix is HRC48~53, and impact flexibility is 27~37J/cm2.
A kind of manufacture craft of polycrystalline diamond hobboing cutter cutter ring, comprising the following steps: (1) cutter ring matrix is made,
Mounting groove is uniformly arranged in cutter ring base circumferential surface；
(2) tooth tip is made；
(3) hard alloy substrate of tooth tip is uniformly fixed to the mounting groove of cutter ring matrix by way of welding after inlaying
It is interior.
Step (1) specific production step are as follows:
A, each raw material of the cutter ring matrix successively passes through electric furnace smelting, electroslag remelting, blocking, die forging, slow cooling, moves back
The cutter ring matrix crude green body of disk-shaped structure is obtained after fire, roughing process；
B, cutter ring matrix crude green body is handled, after finishing through high-temperature vacuum quenching plus secondary high-temperature tempering, low temperature destressing again
Obtain the cutter ring matrix of integral hardness HRC48~53,27~37J/cm2 of impact flexibility.
Specification of the cutter ring matrix crude green body through high-temperature vacuum quenching plus secondary high-temperature tempering in step b are as follows: hardening heat 1050
DEG C -1070 DEG C, quench 30 DEG C -50 DEG C of oil temperature, 600 DEG C -620 DEG C of tempering temperature, 560 DEG C -570 DEG C it is each primary.
In step b carry out low temperature destressing processing temperature be 250-370 DEG C, soaking time 1.5-2 hours, using vacuum
Furnace or atmosphere protection stove.
Hobboing cutter cutter ring is heated to 150-190 DEG C in vacuum drying oven or atmosphere protection stove, keeps the temperature 35-50 minutes, with furnace temperature nature
It is cooling.
Step (2) specific production step are as follows:
A, the ingredient of diadust, mixing: the normal diamond micro mist of the 50-60um granularity of selection 30%-35% weight,
The normal diamond of the normal diamond micro mist of the 30-40um granularity of 30%-35% weight, the 10-20um granularity of 5%-20% weight
The 5-20.0umCo powder of micro mist and 12%-13% weight, remaining as Si powder, using ball mill by the above powder ball milling 10 hours,
It is placed under 120 DEG C of vacuum oven and saves backup after mixing；
B, hard alloy substrate: processing hard alloy substrate by drawing, and wherein the weight content of WC is 85%-94%,
The weight content of Co is 6%-15%；
C, assemble diadust and hard alloy in pyrophyllite block: the diamond for taking 1.0g-2.0g to mix is micro-
Powder and hard alloy substrate are compacted assemble with 5 tons of press machine；Matrix after assembling compacting is placed in pyrophillite Synthetic block, is put
Enter conducting steel ring composition synthesis mould in, wherein polycrystalline diamond wearing layer with a thickness of 1.0--2.0mm；
D, it synthesizes: the synthesis mould of composition being put into hexahedron synthetic diamond press, in pressure 5.5-6.1 under high temperature and pressure
GPa, 1300 DEG C -1500 DEG C of temperature, composite polycrystal-diamond is made in sintering synthesis 5 minutes；
E, blasting treatment: the sinter on removal composite polycrystal-diamond surface；
F, composite polycrystal-diamond destressing: composite polycrystal-diamond is heated in vacuum drying oven or atmosphere protection stove
After 200-250 DEG C, heat preservation 5-10 minutes, with furnace temperature natural cooling；
G, it is compound that polycrystalline diamond the post-processing of composite polycrystal-diamond: is obtained after being machined using grinding machine
Piece makes the diameter of the hard alloy substrate of composite polycrystal-diamond be slightly larger than the internal diameter of mounting groove, hard alloy substrate diameter
Tolerance is ± 0.01mm, and height tolerance is ± 0.05mm.
Step (3) specific production step are as follows: the hard alloy substrate of composite polycrystal-diamond is mounted in mounting groove, so
Hard alloy substrate and cutter ring matrix are welded as a whole by being brazed afterwards, welding temperature is 620 DEG C -680 DEG C, using high intensity
Silver solder and powdery silver brazing agent.
Composite polycrystal-diamond is mounted in mounting groove using the mosaic mode of interference fit, magnitude of interference control exists
0.05mm。
By adopting the above technical scheme, lowered compared with traditional shield Disc Cutter Ring Material, in the present invention phosphorus content to 0.30~
0.38%, increase the content of Mo, although the integral hardness of cutter ring matrix falls to HRC48~53, the impact flexibility of palette knife cycle basis body
Have and largely rise to 27~37J/cm2, ensure that cutter ring matrix has high toughness, cutter ring phenomenon of rupture is avoided to go out
It is existing.Due to mounting groove prefabricated on the outer circumference surface of cutter ring matrix, composite polycrystal-diamond is inlayed or be brazed in installation, is gathered
Diamond composite sheet is made by hard alloy substrate and polycrystalline diamond wearing layer by a series of processing technologys.Although
The integral hardness of cutter ring matrix falls to HRC48~53, and wearability reduces, but is greatly strengthened using polycrystalline diamond wearing layer
The wearability of hobboing cutter cutter ring.The present invention forms cutter ring matrix and tooth tip using separately manufacturing, and unique processing is respectively adopted
Technique combines the high impact toughness of cutter ring matrix and high compression strength, hardness and the wearability of composite polycrystal-diamond
Come, thus can easily fractured rock while with the high service life, also substantially increase construction drivage efficiency.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
As shown in Figure 1, a kind of polycrystalline diamond hobboing cutter cutter ring of the invention, including cutter ring matrix 1 and it is uniformly arranged on knife
The tooth tip of 1 external peripheral surface of cycle basis body；Wherein mass percent shared by each raw material of cutter ring matrix 1 be respectively as follows: C be 0.30~
0.38%, Si is 0.6~0.8%, Mn is 0.20~0.65%, Cr is 2.7~3.5%, Mo is 2.6~3.4%, V be 1.05~
1.40%, Nb is 0.05~0.15%, impurity P≤0.02%, impurity S≤0.02%, Fe surplus；
Tooth tip is made of hard alloy substrate 2 and polycrystalline diamond wearing layer 3, each raw material of polycrystalline diamond wearing layer 3
It is 80%-82%, Si 6%-7%, Co 12%-13% that shared mass percent, which is respectively as follows: diamond,.
The integral hardness of cutter ring matrix 1 is HRC48~53, and impact flexibility is 27~37J/cm2.
A kind of manufacture craft of polycrystalline diamond hobboing cutter cutter ring, comprising the following steps: (1) cutter ring matrix 1 is made,
Mounting groove is uniformly arranged in 1 circumferential surface of cutter ring matrix；
(2) tooth tip is made；
(3) hard alloy substrate of tooth tip 2 is uniformly fixed to the installation of cutter ring matrix 1 by way of welding after inlaying
In slot.
Step (1) specific production step are as follows:
A, each raw material of the cutter ring matrix 1 successively passes through electric furnace smelting, electroslag remelting, blocking, die forging, slow cooling, moves back
1 crude green body of cutter ring matrix of disk-shaped structure is obtained after fire, roughing process；
B, 1 crude green body of cutter ring matrix is handled, after finishing through high-temperature vacuum quenching plus secondary high-temperature tempering, low temperature destressing again
Obtain the cutter ring matrix 1 of integral hardness HRC48~53,27~37J/cm2 of impact flexibility.
Specification of 1 crude green body of cutter ring matrix through high-temperature vacuum quenching plus secondary high-temperature tempering in step b are as follows: hardening heat 1050
DEG C -1070 DEG C, quench 30 DEG C -50 DEG C of oil temperature, 600 DEG C -620 DEG C of tempering temperature, 560 DEG C -570 DEG C it is each primary.
In step b carry out low temperature destressing processing temperature be 250-370 DEG C, soaking time 1.5-2 hours, using vacuum
Furnace or atmosphere protection stove.Hobboing cutter cutter ring is heated to 150-190 DEG C in vacuum drying oven or atmosphere protection stove, 35-50 minutes is kept the temperature, with furnace
Warm natural cooling.
Step (2) specific production step are as follows:
A, the ingredient of diadust, mixing: the normal diamond micro mist of the 50-60um granularity of selection 30%-35% weight,
The normal diamond of the normal diamond micro mist of the 30-40um granularity of 30%-35% weight, the 10-20um granularity of 5%-20% weight
The 5-20.0umCo powder of micro mist and 12%-13% weight, remaining as Si powder, using ball mill by the above powder ball milling 10 hours,
It is placed under 120 DEG C of vacuum oven and saves backup after mixing；
B, hard alloy substrate 2: processing hard alloy substrate 2 by drawing, and wherein the weight content of WC is 85%-
The weight content of 94%, Co are 6%-15%；
C, assemble diadust and hard alloy in pyrophyllite block: the diamond for taking 1.0g-2.0g to mix is micro-
Powder and hard alloy substrate 2 are compacted assemble with 5 tons of press machine；Matrix after assembling compacting is placed in pyrophillite Synthetic block,
Be put into conducting steel ring composition synthesis mould in, wherein polycrystalline diamond wearing layer 3 with a thickness of 1.0--2.0mm；
D, it synthesizes: the synthesis mould of composition being put into hexahedron synthetic diamond press, in pressure 5.5-6.1 under high temperature and pressure
GPa, 1300 DEG C -1500 DEG C of temperature, composite polycrystal-diamond is made in sintering synthesis 5 minutes；
E, blasting treatment: the sinter on removal composite polycrystal-diamond surface；
F, composite polycrystal-diamond destressing: composite polycrystal-diamond is heated in vacuum drying oven or atmosphere protection stove
After 200-250 DEG C, heat preservation 5-10 minutes, with furnace temperature natural cooling；
G, it is compound that polycrystalline diamond the post-processing of composite polycrystal-diamond: is obtained after being machined using grinding machine
Piece, makes the diameter of the hard alloy substrate 2 of composite polycrystal-diamond be slightly larger than the internal diameter of mounting groove, and hard alloy substrate 2 is straight
Diameter tolerance is ± 0.01mm, and height tolerance is ± 0.05mm.
Step (3) specific production step are as follows: the hard alloy substrate 2 of composite polycrystal-diamond is mounted in mounting groove,
Using the mosaic mode of interference fit, magnitude of interference is controlled in 0.05mm；Then by being brazed hard alloy substrate 2 and cutter ring base
Body 1 is welded as a whole, and welding temperature is 620 DEG C -680 DEG C, using the silver brazing agent of high-intensitive silver solder and powdery.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (7)
1. a kind of manufacture craft of polycrystalline diamond hobboing cutter cutter ring, it is characterised in that:
The polycrystalline diamond hobboing cutter cutter ring includes cutter ring matrix and the tooth tip for being uniformly arranged on cutter ring matrix external peripheral surface；
Wherein mass percent shared by each raw material of cutter ring matrix is respectively as follows: that C is 0.30~0.38%, Si is 0.6~0.8%, Mn is
0.20~0.65%, Cr is 2.7~3.5%, Mo is 2.6~3.4%, V is 1.05~1.40%, Nb is 0.05~0.15%, impurity
P≤0.02%, impurity S≤0.02%, Fe surplus；
Tooth tip is made of hard alloy substrate and polycrystalline diamond wearing layer, matter shared by each raw material of polycrystalline diamond wearing layer
It is 80%-82%, Si 6%-7%, Co 12%-13% that amount percentage, which is respectively as follows: diamond,；
The integral hardness of cutter ring matrix is HRC48~53, and impact flexibility is 27~37J/cm2；
The manufacture craft the following steps are included:
(1) cutter ring matrix is made, is uniformly arranged mounting groove in cutter ring base circumferential surface；
(2) tooth tip is made；
(3) hard alloy substrate of tooth tip is uniformly fixed to by way of welding after inlaying in the mounting groove of cutter ring matrix；
Step (2) specific production step are as follows:
A, normal diamond micro mist, the 30%- of the 50-60um granularity of 30%-35% weight the ingredient of diadust, mixing: are chosen
The normal diamond micro mist of the normal diamond micro mist of the 30-40um granularity of 35% weight, the 10-20um granularity of 5%-20% weight
And the 5-20.0umCo powder of 12%-13% weight, remaining as Si powder, using ball mill by the above powder ball milling 10 hours, mixing
It is placed under 120 DEG C of vacuum oven and saves backup after uniformly；
B, hard alloy substrate: processing hard alloy substrate by drawing, and wherein the weight content of WC is 85%-94%, Co's
Weight content is 6%-15%；
C, diadust and hard alloy are assembled in pyrophyllite block: the diadust for taking 1.0g-2.0g to mix with
Hard alloy substrate is compacted assembling with 5 tons of press machine；Matrix after assembling compacting is placed in pyrophillite Synthetic block, is put into and leads
In the synthesis mould of electric steel ring composition, wherein polycrystalline diamond wearing layer with a thickness of 1.0--2.0mm；
D, it is synthesized under high temperature and pressure: the synthesis mould of composition is put into hexahedron synthetic diamond press, in pressure 5.5-6.1 GPa,
1300 DEG C -1500 DEG C of temperature, composite polycrystal-diamond is made in sintering synthesis 5 minutes；
E, blasting treatment: the sinter on removal composite polycrystal-diamond surface；
F, composite polycrystal-diamond destressing: composite polycrystal-diamond is heated to 200- in vacuum drying oven or atmosphere protection stove
After 250 DEG C, heat preservation 5-10 minutes, with furnace temperature natural cooling；
G, the post-processing of composite polycrystal-diamond: composite polycrystal-diamond is obtained after being machined using grinding machine, is made
The diameter of the hard alloy substrate of composite polycrystal-diamond is slightly larger than the internal diameter of mounting groove, and hard alloy substrate diameter tolerance is
± 0.01mm, height tolerance are ± 0.05mm.
2. a kind of manufacture craft of polycrystalline diamond hobboing cutter cutter ring according to claim 1, it is characterised in that: step (1)
Specific production step are as follows:
A, each raw material of the cutter ring matrix successively passes through electric furnace smelting, electroslag remelting, blocking, die forging, slow cooling, annealing, thick
The cutter ring matrix crude green body of disk-shaped structure is obtained after manufacturing procedure；
B, cutter ring matrix crude green body obtains after high-temperature vacuum quenching plus secondary high-temperature tempering, low temperature destressing processing, finishing again
Integral hardness HRC48~53,27~37J/cm2 of impact flexibility cutter ring matrix.
3. a kind of manufacture craft of polycrystalline diamond hobboing cutter cutter ring according to claim 2, it is characterised in that: in step b
Specification of the cutter ring matrix crude green body through high-temperature vacuum quenching plus secondary high-temperature tempering are as follows: 1050 DEG C -1070 DEG C of hardening heat, quenching oil
30 DEG C -50 DEG C of temperature, 600 DEG C -620 DEG C of tempering temperature, 560 DEG C -570 DEG C it is each primary.
4. a kind of manufacture craft of polycrystalline diamond hobboing cutter cutter ring according to claim 2, it is characterised in that: in step b
Carry out low temperature destressing processing temperature be 250-370 DEG C, soaking time 1.5-2 hours, using vacuum drying oven or atmosphere protection stove.
5. a kind of manufacture craft of polycrystalline diamond hobboing cutter cutter ring according to claim 4, it is characterised in that: hobboing cutter cutter ring
It is heated to 150-190 DEG C in vacuum drying oven or atmosphere protection stove, 35-50 minutes are kept the temperature, with furnace temperature natural cooling.
6. according to right want 1 described in a kind of manufacture craft of polycrystalline diamond hobboing cutter cutter ring, it is characterised in that: step (3) tool
Body making step are as follows: the hard alloy substrate of composite polycrystal-diamond is mounted in mounting groove, then by being brazed hard
Alloy substrate is welded as a whole with cutter ring matrix, and welding temperature is 620 DEG C -680 DEG C, using high-intensitive silver solder and powdery
Silver brazing agent.
7. according to right want 6 described in a kind of manufacture craft of polycrystalline diamond hobboing cutter cutter ring, it is characterised in that: by plycrystalline diamond Buddha's warrior attendant
Stone composite sheet is mounted in mounting groove using the mosaic mode of interference fit, and magnitude of interference is controlled in 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082213.9A CN106761784B (en) | 2016-11-30 | 2016-11-30 | A kind of polycrystalline diamond hobboing cutter cutter ring and its manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082213.9A CN106761784B (en) | 2016-11-30 | 2016-11-30 | A kind of polycrystalline diamond hobboing cutter cutter ring and its manufacture craft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761784A CN106761784A (en) | 2017-05-31 |
| CN106761784B true CN106761784B (en) | 2018-12-11 |
Family
ID=58898178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611082213.9A Expired - Fee Related CN106761784B (en) | 2016-11-30 | 2016-11-30 | A kind of polycrystalline diamond hobboing cutter cutter ring and its manufacture craft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761784B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838494B (en) * | 2017-11-17 | 2020-01-21 | 中山市中建电气有限公司 | Hard alloy saw blade and welding method thereof |
| CN107842369A (en) * | 2017-12-11 | 2018-03-27 | 安徽天重工股份有限公司 | A kind of Hob cutter ring of shield machine and its manufacture method with built-up welding cobalt-base alloys |
| CN109339807A (en) * | 2018-11-18 | 2019-02-15 | 中国电建集团铁路建设有限公司 | A kind of shield multi-knife-head hobboing cutter cutter ring |
| CN109759784A (en) * | 2018-12-28 | 2019-05-17 | 洛阳金鹭硬质合金工具有限公司 | A method of wear-resisting inserted cutter ring is made using soldering |
| CN109530680B (en) * | 2018-12-29 | 2021-01-26 | 中国石油化工集团有限公司 | Thermal-stable high-wear-resistance polycrystalline diamond compact and preparation method thereof |
| CN109623287A (en) * | 2019-01-15 | 2019-04-16 | 常德市中天精密工具有限公司 | A kind of hot melt processing method of break bar cutter ring |
| CN112605609B (en) * | 2020-12-01 | 2022-03-04 | 中铁工程装备集团有限公司 | Tower type hobbing cutter ring and preparation method thereof |
| CN112458376B (en) * | 2020-12-01 | 2022-04-22 | 中铁工程装备集团有限公司 | Hob cutter ring and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2514954Y (en) * | 2001-12-02 | 2002-10-09 | 张光新 | Inserted tooth cutter |
| CN101550805A (en) * | 2009-05-15 | 2009-10-07 | 中南大学 | Abrasion resistant drilling tool plated with diamond layer and manufacturing technology thereof |
| CN201460743U (en) * | 2009-07-27 | 2010-05-12 | 广州市盾建地下工程有限公司 | Hobbing cutter with hard alloy gear provided with alien gear head |
| CN102517502A (en) * | 2012-01-16 | 2012-06-27 | 株洲钻石钻掘工具有限公司 | Disk-shaped roller cutter ring and manufacture method thereof |
| CN104278953A (en) * | 2014-06-05 | 2015-01-14 | 黄河科技学院 | Polycrystalline diamond composite tooth, preparation method and down-hole drill bit |
-
2016
- 2016-11-30 CN CN201611082213.9A patent/CN106761784B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2514954Y (en) * | 2001-12-02 | 2002-10-09 | 张光新 | Inserted tooth cutter |
| CN101550805A (en) * | 2009-05-15 | 2009-10-07 | 中南大学 | Abrasion resistant drilling tool plated with diamond layer and manufacturing technology thereof |
| CN201460743U (en) * | 2009-07-27 | 2010-05-12 | 广州市盾建地下工程有限公司 | Hobbing cutter with hard alloy gear provided with alien gear head |
| CN102517502A (en) * | 2012-01-16 | 2012-06-27 | 株洲钻石钻掘工具有限公司 | Disk-shaped roller cutter ring and manufacture method thereof |
| CN104278953A (en) * | 2014-06-05 | 2015-01-14 | 黄河科技学院 | Polycrystalline diamond composite tooth, preparation method and down-hole drill bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761784A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106761784B (en) | A kind of polycrystalline diamond hobboing cutter cutter ring and its manufacture craft | |
| CN103143708B (en) | Preparation method of hard alloy preform and method for preparing composite wear-resistant part by using hard alloy preform | |
| CN101837458B (en) | Iron alloy-based composite hard alloy roller and production method thereof | |
| CN109162725B (en) | Laser spraying diamond hob ring and processing method thereof | |
| CN102517502B (en) | Disk-shaped roller cutter ring and manufacture method thereof | |
| CN103667851B (en) | The preparation method of a kind of particles reiforced metal-base composition | |
| CN102600928A (en) | Inserted tooth hammer of crushing machine and preparation method thereof | |
| CN103775498B (en) | A kind of helicoid hydraulic motor cemented carbide radial bearing body and production method thereof | |
| CN101898238A (en) | Ceramic particle reinforced composite wear-resistant part and preparation method thereof | |
| CN103769563A (en) | Preparation method for active element sintered ZTA (Zirconia Toughened Alumina) particulate reinforced steel based compound grinding roller and grinding disk | |
| CN101994512B (en) | Technology for manufacturing cutting tooth for mining coal and minerals | |
| CN106984808A (en) | A kind of localization strengthens the method for preparing powder metallurgy of composite | |
| CN105039836B (en) | A kind of high-pressure roller mill castingin roll surface and preparation method thereof | |
| CN106761421B (en) | A kind of protecting against shock drilling tool and its manufacture craft | |
| CN107557704A (en) | A kind of hot forming dies materials and preparation method thereof | |
| CN103769562A (en) | Preparation method for active element sintered ZTA (Zirconia Toughened Alumina) particulate reinforced steel based compound hammer | |
| CN104372227A (en) | Hard alloy for hot-working die and production method thereof | |
| CN108894731A (en) | A kind of polycrystalline diamond down-the-hold drill bit and preparation method thereof | |
| CN106735101A (en) | A kind of preparation method of the ZTA particle enhanced steel iron-based composite grinding rolls based on chemical activation treatment | |
| CN103814147A (en) | A roll for hot rolling | |
| CN106757286B (en) | A kind of hobboing cutter cutter ring and its manufacturing process of the electroplated diamond wearing layer with tooth tip | |
| CN107971473B (en) | A kind of WCpThe preparation method of/high-manganese steel-base composite abrasion-proof inner plate | |
| CN102912254B (en) | High temperature abrasion resistant guide plate and preparation method thereof | |
| CN114570483A (en) | Martensite/bainite steel base ZTA ceramic composite material impact crusher plate hammer and manufacturing method thereof | |
| CN105709881B (en) | Nonmetal-metal static multilayer composite ultrahigh wear-resistant grinding disc tile and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20191130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |