CN107262821A - The diamond full working lining ultrathin saw bit of radial positioning distribution and its manufacture craft - Google Patents
The diamond full working lining ultrathin saw bit of radial positioning distribution and its manufacture craft Download PDFInfo
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- CN107262821A CN107262821A CN201710540779.XA CN201710540779A CN107262821A CN 107262821 A CN107262821 A CN 107262821A CN 201710540779 A CN201710540779 A CN 201710540779A CN 107262821 A CN107262821 A CN 107262821A
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- diamond
- working lining
- powder
- radial positioning
- saw bit
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 70
- 239000010432 diamond Substances 0.000 title claims abstract description 70
- 238000009826 distribution Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000005245 sintering Methods 0.000 claims abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 238000007731 hot pressing Methods 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000000227 grinding Methods 0.000 claims description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 230000002285 radioactive effect Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000002513 implantation Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000010147 laser engraving Methods 0.000 claims description 4
- 239000000080 wetting agent Substances 0.000 claims description 4
- 238000010892 electric spark Methods 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000005034 decoration Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000011068 loading method Methods 0.000 claims description 2
- 210000001161 mammalian embryo Anatomy 0.000 claims description 2
- 201000009240 nasopharyngitis Diseases 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 3
- 229910052737 gold Inorganic materials 0.000 claims 3
- 239000010931 gold Substances 0.000 claims 3
- 239000011435 rock Substances 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/02—Circular saw blades
-
- B22F1/0003—
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/093—Compacting only using vibrations or friction
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A kind of diamond full working lining ultrathin saw bit of radial positioning distribution and its manufacture craft, the present invention directly form saw blade using powder metallurgically manufacturing technology;10~800mm of diameter, the 0.2~2.5mm of thickness of saw blade, are made up of carcass working lining and mounting hole, and carcass working lining is raw material from metal dust and diamond;Using radial positioning distributed architecture, according to the diamond particles spacing dimension of design, by its heeling-in in carcass precalculated position;Using ultrasonic wave or other high-frequency shaking platforms vibration cloth powder in charging process, it is ensured that carcass thickness uniformity, then it is made through hot-pressing sintering technique.The full working lining ultrathin saw bit of the radial positioning distribution of diamond that the present invention is made, diamond connection and reasonable arrangement, Use Limitation rate height, long lifespan, saw kerf are narrow, energy consumption is low, beneficial to saving resource and the energy.
Description
Technical field
The present invention principally falls into field of machining, using PM technique, is shaken using ultrasonic wave or other high-frequencies
Flowing mode, implantation positioning distributed architecture diamond, more particularly to the full working lining ultrathin saw bit of the radial positioning distribution of diamond.
Background technology
In the making of conventional PCD saw blade, saw blade thickness is larger and materials are more, and diamond random distribution on saw blade is led
Diamond is caused to play effect completely, the size that conventional PCD saw blade cuts seam in use is larger, easily causes
Waste of material is cut, while Cutting Drag in the course of the work is also larger, power consumption is high, efficiency is low and low precision, so as to limit
Make diamond saw blade normally to use, also limit the scope of application of diamond saw blade, also counteracts that entering for cutting processing technology
One step develops.
The content of the invention
It is an object of the invention to provide a kind of diamond full working lining ultrathin saw bit of radial positioning distribution and its making work
Skill.
The full working lining ultrathin saw bit of the radial positioning distribution of diamond is made up of carcass working lining and mounting hole, and mounting hole exists
The center of saw blade, a diameter of 10~800mm of saw blade, 0.2~2.5mm of thickness, carcass working lining selects metal dust and diamond
For raw material;Diamond uses radial positioning distributed architecture, and the radial positioning distributed architecture of diamond, is with saw blade central point
Some the line of cuts are made in working lining for the center of circle, central point is crossed and radially makees some radioactive ray, diamond particles are arranged in
On the intersection point of the line of cut and radioactive ray.The quantity of the line of cut and radioactive ray determines by saw blade size and working lining diamond concentration,
Generally 2~20/mm2。
The full working lining ultrathin saw bit manufacture craft of the radial positioning distribution of diamond, comprises the following steps:
The first step:Mould prepares
According to saw blade size, cold stamping die is designed and processed from steel alloy, wherein steel pressure head is to ensure that diamond is in put
Shape positioning distributed architecture is penetrated, is processed using laser engraving method or electric spark method;It is more than 1.85g/cm from bulk density3, resistance to compression
Intensity is more than the graphite design and processing sintering mold of 45MPa high intensity high-purity high-density;
Second step:Carcass powder is mixed
Up-to-standard required metal dust is weighed, volume fraction is added and is well mixed for 30% to 80% wetting agent,
Obtain well mixed carcass metal dust compound;
3rd step:Vibrate cloth powder die-filling
Well mixed carcass metal dust compound is weighed, loading is placed on ultrasonic wave or other high-frequency shaking platforms
On cold stamping die in, start ultrasonic wave or other high-frequency shaking platforms and vibrate 0.5~10 minute, vibration frequency is 800Hz
To 100000Hz, assemble after steel pressure head, move to extrusion forming on forcing press and obtain superthin section pressed compact;
4th step:Diamond positioning distribution
The superthin section pressed compact obtained using steel pressure head cold moudling, pressure embryo, which leaves, meets the radial positioning distribution of diamond
The placement hole of structure, pressed compact is taken out from punching block, and diamond particles are placed in hole using mounting method is smeared, is made and contains diamond
The ultrathin saw bit pressed compact of particle;
5th step:Powder metallurgy pressure sintering is manufactured
The ultrathin saw bit pressed compact of diamond particles will be implanted into, be assembled in graphite jig, be placed in saw blade sintering furnace, first leads to
Temperature-pressure is crossed, temperature is stepped up to 900 DEG C to 980 DEG C, and pressure progressively adds to 25KN to 40KN, is then cooled to 700 DEG C
To 790 DEG C, 15KN to 25KN is depressurized to, heat-insulation pressure keeping is carried out 2 minutes to 8 minutes, hot-pressing flow is completed;
6th step:Cooling and demolding
The graphite jig equipped with sintered saw bits completed after sintering process and cooling is taken out out of sintering furnace, and is stripped
To the full working lining ultrathin saw bit blank of the radial positioning distribution of diamond;
7th step:Reconditioning is put the first edge on a knife or a pair of scissors
The radial positioning of diamond is distributed full working lining ultrathin saw bit blank, processing on grinding machine is flat on and polishes saw blade two
Individual plane;Then its monolithic or multi-disc are arranged on saw blade blade grinding machine, carry out end face and put the first edge on a knife or a pair of scissors;
8th step:Decoration packaging
The full working lining ultrathin saw bit of the radial positioning distribution of diamond after surface rubbing and end face are put the first edge on a knife or a pair of scissors, carries out outward appearance
Processing, is put in storage stand-by.
Contain cobalt powder, nickel powder, iron powder, titanium valve, chromium powder, copper powder and glass putty in carcass metal dust described in step 2;Wherein:
Cobalt powder, nickel powder, iron powder, titanium valve and chromium powder respectively account for the 2%~80% of gross mass;Copper powder and glass putty respectively account for gross mass 3%~
60%;Powder diameter used is below 0.075mm.
Vibration cloth powder described in step 3 is die-filling, and steel alloy grinding tool is placed on into ultrasonic wave when cloth powder is die-filling or other are high
On frequency shaking platform vibrate 1~8 minute, vibration frequency be 20000Hz to 80000Hz, shaking platform using ultrasonic wave or its
He produces exciting force by high-frequency vibration source.
Diamond positioning distribution described in step 4, the diamond volume concentration used is 2%~60%, and particle diameter is
0.04~1.0mm;Diamond particles plant the precalculated position in carcass by radial positioning distributed architecture, and precalculated position is to utilize
Laser engraving method or electric spark method process the steel pressure head of cold moudling, and pre-determined bit is determined with the concavo-convex hole position on steel pressure head surface
Put, the pit of cold moudling pressed compact is that at diamond particles implantation, diamond particles are placed in hole using mounting method is smeared.
The radial positioning of diamond of the present invention is distributed being mainly characterized by for full working lining ultrathin saw bit:Using ultrasonic wave or
Other high-frequencies vibration cloth powder means are beneficial to the homogenization of powder;Diamond implantation position abandons conventional random distribution form,
And radial location structure is performed, give full play to effect of diamond;Using powder metallurgy pressure sintering of the present invention
Ultrathin saw bit is made under temperature and pressure technique, the performance indications of ultrathin saw bit can be reached;Saw blade is using alloy-free steel matrix
Full working lining extends service life;Saw blade thickness is in 0.2~2.5mm, much smaller than conventional saw blade thickness, improves sawing effect
Rate.
Brief description of the drawings
Fig. 1 is diamond distribution structural representation of the present invention.
Embodiment
Embodiment 1
The full working lining ultrathin saw bit of the radial positioning distribution of diamond, saw blade diameter of phi 30mm, thickness 0.3mm, mounting hole
Φ 10mm, carcass metal dust prescription quality ratio:Cobalt powder -55%, nickel powder -10%, iron powder -5%, titanium valve -2%, chromium powder -
3%th, copper powder -20%, glass putty -5%, powder size are 325 mesh (45 microns) with thin;Diamond volume concentration is 2%, granularity
For 80/100 mesh (150-178 microns).
Its fabrication processing is:
1. Alloy-steel mold, steel alloy pressure head and graphite jig processing.
2. carcass metal dust batch mixing, volume fraction is 50% wetting agent and diamond particles.
3. the carcass metal dust mixed loads in Alloy-steel mold, is placed on ultrasonic activation platform and vibrates 1 point
Clock, vibration frequency is 30000Hz.
4. the Alloy-steel mold after vibrating uniformly is moved on forcing press and pressurizeed, take out pressed compact, smeared and paste diamond
Then pressed compact is assembled into graphite jig, diamond is radial fixed by grain in the hole of corresponding radial positioning distributed architecture
Bit distribution is as shown in Figure 1.
5. the graphite jig for installing saw blade cold pressing base is put into intermediate frequency furnace and heats pressure sintering, temperature is heated to 980 DEG C,
30KN is forced into, heat-insulation pressure keeping work is then carried out, holding temperature is 790 DEG C, dwell pressure is 25KN, soaking time is 3 points
Clock, reaches thermal requirements, and the demoulding is taken out after being gone with stove is cold.
6. the saw blade blank for sintering completion is lain in into the finishing plane of rubbing down two on grinding machine.
7. the saw blade blank for repairing complete two plane of rubbing down is carried out into end face using blade grinding machine to put the first edge on a knife or a pair of scissors.
8. saw blade cleaning treatment and packed for standby use of painting after the completion of putting the first edge on a knife or a pair of scissors.
Embodiment 2
The full working lining ultrathin saw bit of the radial positioning distribution of diamond, saw blade diameter of phi 300mm, thickness 1.2mm, mounting hole
Φ 20mm, carcass metal dust prescription quality ratio:Cobalt powder -65%, nickel powder -5%, iron powder -5%, titanium valve -2%, chromium powder -
3%th, copper powder -15%, glass putty -5%, powder size are 325 mesh (45 microns) with thin;Diamond volume concentration is 5%, granularity
For 40/80 mesh (180-380 microns).
Its fabrication processing is:
1. Alloy-steel mold, steel alloy pressure head and graphite jig processing.
2. carcass metal dust batch mixing, volume fraction are 50% wetting agent and diamond particles.
3. the carcass metal dust mixed loads in Alloy-steel mold, is placed on ultrasonic activation platform and vibrates 2 points
Clock, vibration frequency is 30000Hz.
4. the Alloy-steel mold after vibrating uniformly is moved on forcing press and pressurizeed, take out pressed compact, smeared and paste diamond
Then pressed compact is assembled in graphite jig by grain in the hole of corresponding radial positioning distributed architecture.
5. the graphite jig for installing saw blade cold pressing base is put into intermediate frequency furnace and heats pressure sintering, temperature is heated to 980 DEG C,
35KN is forced into, heat-insulation pressure keeping work is then carried out, holding temperature is 790 DEG C, dwell pressure is 25KN, soaking time is 4 points
Clock, reaches thermal requirements, and the demoulding is taken out after being gone with stove is cold.
6. the saw blade blank for sintering completion is lain in into the finishing plane of rubbing down two on grinding machine.
7. the saw blade blank for repairing complete two plane of rubbing down is carried out into end face using blade grinding machine to put the first edge on a knife or a pair of scissors.
8. saw blade cleaning treatment and packed for standby use of painting after the completion of putting the first edge on a knife or a pair of scissors.
Claims (6)
1. the full working lining ultrathin saw bit of the radial positioning distribution of diamond, it is characterised in that:Saw blade is by carcass working lining and installation
Hole is constituted, and mounting hole is at the center of saw blade, a diameter of 10~800mm of saw blade, 0.2~2.5mm of thickness, and carcass working lining is from gold
It is raw material to belong to powder and diamond;Diamond uses radial positioning distributed architecture.
2. the full working lining ultrathin saw bit of the radial positioning distribution of diamond according to claim 1, it is characterised in that:It is described
The radial positioning distributed architecture of diamond, be in working lining to make some the line of cuts, mistake by the center of circle of saw blade central point
Central point radially makees some radioactive ray, and diamond particles are arranged on the intersection point of the line of cut and radioactive ray.
3. the full working lining ultrathin saw bit manufacture craft of the radial positioning distribution of diamond according to claim 1, its feature
It is:
The first step:Mould prepares
According to saw blade size, cold stamping die is designed and processed from steel alloy, wherein steel pressure head is to ensure that diamond is radial
Distributed architecture is positioned, is processed using laser engraving method or electric spark method;It is more than 1.85g/cm from bulk density3, compression strength
The graphite design and processing sintering mold of high intensity high-purity high-density more than 45MPa;
Second step:Carcass powder is mixed
Up-to-standard required metal dust is weighed, the wetting agent that addition volume fraction is 30% to 80% is simultaneously well mixed, and is obtained
To well mixed carcass metal dust compound;
3rd step:Vibrate cloth powder die-filling
Well mixed carcass metal dust compound is weighed, loading is placed on ultrasonic wave or other high-frequency shaking platforms
In cold stamping die, start ultrasonic wave or other high-frequency shaking platforms and vibrate 0.5~10 minute, vibration frequency be 800Hz extremely
100000Hz, is assembled after steel pressure head, is moved to extrusion forming on forcing press and is obtained superthin section pressed compact;
4th step:Diamond positioning distribution
The superthin section pressed compact obtained using steel pressure head cold moudling, pressure embryo, which leaves, meets the radial positioning distributed architecture of diamond
Placement hole, by pressed compact from punching block take out, using smear mounting method by diamond particles be placed in hole in, be made contain diamond particles
Ultrathin saw bit pressed compact;
5th step:Powder metallurgy pressure sintering is manufactured
The ultrathin saw bit pressed compact of diamond particles will be implanted into, is assembled in graphite jig, is placed in saw blade sintering furnace, first passes through and adds
Temperature pressurization, temperature is stepped up to 900 DEG C to 980 DEG C, and pressure progressively adds to 25KN to 40KN, is then cooled to 700 DEG C to 790
DEG C, 15KN to 25KN is depressurized to, heat-insulation pressure keeping is carried out 2 minutes to 8 minutes, hot-pressing flow is completed;
6th step:Cooling and demolding
The graphite jig equipped with sintered saw bits completed after sintering process and cooling is taken out out of sintering furnace, and the demoulding obtains gold
The full working lining ultrathin saw bit blank of the radial positioning distribution of hard rock;
7th step:Reconditioning is put the first edge on a knife or a pair of scissors
The radial positioning of diamond is distributed full working lining ultrathin saw bit blank, processing on grinding machine is flat on and polishes saw blade two and put down
Face;Then its monolithic or multi-disc are arranged on saw blade blade grinding machine, carry out end face and put the first edge on a knife or a pair of scissors;
8th step:Decoration packaging
The full working lining ultrathin saw bit of the radial positioning distribution of diamond after surface rubbing and end face are put the first edge on a knife or a pair of scissors, is carried out at outward appearance
Reason, is put in storage stand-by.
4. the full working lining ultrathin saw bit of the radial positioning distribution of diamond according to claim 3, it is characterised in that:Step
Contain cobalt powder, nickel powder, iron powder, titanium valve, chromium powder, copper powder and glass putty in carcass metal dust described in two;Wherein:Cobalt powder, nickel powder, iron
Powder, titanium valve and chromium powder respectively account for the 2%~80% of gross mass;Copper powder and glass putty respectively account for the 3%~60% of gross mass;Powder grain used
Footpath is below 0.075mm.
5. the full working lining ultrathin saw bit of the radial positioning distribution of diamond according to claim 3, it is characterised in that:Step
Vibration cloth powder described in three is die-filling, and steel alloy grinding tool is placed on into ultrasonic wave or other high-frequency shaking platforms when cloth powder is die-filling
Upper vibration 1~8 minute, vibration frequency is 20000Hz to 80000Hz, and shaking platform is vibrated using ultrasonic wave or other high-frequencies
Source produces exciting force.
6. the full working lining ultrathin saw bit of the radial positioning distribution of diamond according to claim 3, it is characterised in that:Step
Diamond positioning distribution described in four, the diamond volume concentration used is 2%~60%, and particle diameter is 0.04~1.0mm;Gold
Hard rock particle plants the precalculated position in carcass by radial positioning distributed architecture, and precalculated position is to utilize laser engraving method or electricity
Spark technique processes the steel pressure head of cold moudling, and precalculated position, cold moudling pressure are determined with the concavo-convex hole position on steel pressure head surface
The pit of base is that at diamond particles implantation, diamond particles are placed in hole using mounting method is smeared.
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Cited By (1)
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CN115229193A (en) * | 2022-07-21 | 2022-10-25 | 北京爱克瑞特金刚石工具有限公司 | Preparation method and application of full-powder saw blade |
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