CN104148885B - Polycrystalline diamond pick rod processing technique - Google Patents
Polycrystalline diamond pick rod processing technique Download PDFInfo
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- CN104148885B CN104148885B CN201410266114.0A CN201410266114A CN104148885B CN 104148885 B CN104148885 B CN 104148885B CN 201410266114 A CN201410266114 A CN 201410266114A CN 104148885 B CN104148885 B CN 104148885B
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- diamond
- pick rod
- rod body
- composite polycrystal
- pick
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 80
- 239000010432 diamond Substances 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012545 processing Methods 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 41
- 238000007689 inspection Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000005219 brazing Methods 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 15
- 239000000956 alloy Substances 0.000 claims description 15
- 238000005242 forging Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 12
- 238000005253 cladding Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000005422 blasting Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 6
- 229910052903 pyrophyllite Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 229910001339 C alloy Inorganic materials 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 230000004323 axial length Effects 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 229910000734 martensite Inorganic materials 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 230000035939 shock Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/02—Percussive tool bits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
聚晶金刚石镐钎加工工艺，包括以下步骤，加工镐钎本体，在镐钎本体作业端的端部开设预制槽；同时加工聚晶金刚石复合片；然后将聚晶金刚石复合片镶嵌到预制槽内；接着进行质量检验；检验后进行表面防腐处理；最后包装入库。采用本发明加工出来的镐钎，强度增加，耐磨性增强，耐冲击能力提高，在高频连续作业下也不容易出现断裂、弯曲，使用寿命大大延长，也大大提高了作业效率。
The polycrystalline diamond brazing process includes the following steps: processing the pickaxe body, opening a prefabricated groove at the working end of the pickaxe body; processing the polycrystalline diamond composite sheet at the same time; and then embedding the polycrystalline diamond composite sheet into the prefabricated groove; Then carry out quality inspection; carry out surface anti-corrosion treatment after inspection; finally pack and put into storage. The pick brazing processed by the invention has increased strength, enhanced wear resistance, and improved impact resistance, and is not prone to breakage and bending under high-frequency continuous operation, greatly prolongs the service life, and greatly improves operating efficiency.
Description
Technical field
The present invention relates to the engineering construction apparatuses such as a kind of electric pick, pneumatic pick, gas pick, particularly relate to a kind of polycrystalline diamond pick rod processing technique.
Background technology
In the prior art, electric pick, pneumatic pick, gas pick etc. are general in engineering construction sector application.
Electric pick (electricbreaker), be power with single phase series motor double insulation hand held electric tool.
Pneumatic pick is to compress air for power, utilizes the hand-held construction equipment of percussion crushing hard objects.
Gas pick is exactly that to utilize compression air be that piston repeatedly clashes into pick and cuts into a mountain to repair the roads and dig a kind of portable equipment in ore deposit.
Electric pick, pneumatic pick, gas pick have safe and reliable, efficiency is high, the feature such as easy to operate, be widely used in pipeline laying, mechanical erection, plumbing Facilities Construction, interior decoration, port facilities construction, coal mining, exploit soft rock；Plane suspension column hole, boiled water ditch；Broken mixed earth, frozen soil and other engineering constructions in building installation engineering, and mechanical industry needs to produce the occasion of ballistic movement, such as the handling etc. of tractor, tank track pin.
Pick rod as electric pick, pneumatic pick, gas pick spare part in common use, when operating, jump bit moves repeatedly along beater mechanism shock, and pick rod withstands on the purpose that just can reach to smash in construction surface.Pick rod part withstands shocks bigger in the course of the work, it is common to problem is its low strength, ability wear-resisting, shock-resistant, generally uses several hours and is accomplished by changing pick rod；Work continuously at high frequency and lower easy fracture, bending occur, change frequently, ineffective defect.Therefore, need badly a kind of can strengthen wearability, improve impact resistance, durable pick rod.
Summary of the invention
The present invention is to solve weak point of the prior art, it is provided that the processing technique of a kind of pick rod processing wearability height, strong shock resistance, long service life.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that polycrystalline diamond pick rod processing technique, comprises the following steps, and processes pick rod body, in the end opens pregroove marks of pick rod body operation end；Process composite polycrystal-diamond simultaneously；Then composite polycrystal-diamond is mounted in pregroove marks；Then quality inspection is carried out；Surface anticorrosion process is carried out after inspection；Finally pack warehouse-in.
The concrete procedure of processing of described pick rod body is,
(1), pick rod body blanking: blanking adopts the round bar of 42CrMo or 35CrMnSi medium carbon alloy steel, and blanking is calculated by weight, and cutting stock weight is 1.1 times of pick rod body blank weight；
(2), forging: adopting warm and hot forging mode, initial forging temperature is 1230 DEG C, and final forging temperature is 880 DEG C, forges the profile of pick rod body blank；
(3), machining: adopt lathe and milling machine, process by drawing；
(4), cladding wearing layer: adopting tungsten-carbide powder, at the circumferential surface cladding wearing layer of the operation end of pick rod body, the thickness making wearing layer is 2mm-3mm, and hardness reaches HRC55-60；
(5), heat treatment: pick rod body is vertically placed in glowing furnace, hardening heat 850 DEG C；The type of cooling is oil cooling；Temperature is 450 DEG C, and what obtain is organized as martensitic structure；After heat treatment, the hardness of pick rod body reaches HRC42-45, and the hardness of cladding wearing layer still keeps HRC55-60；
(6), pick rod body alignment: pick rod body is carried out alignment with pressure correction machine；
(7), Shot Blasting: with shot-blast apparatus, pick rod body is carried out surface treatment, remove the oxide skin of pick rod body surface, open texture, improve tensile strength；
(8), processing refine pregroove marks: the end opens of pick rod body operation end is inlayed the pregroove marks of composite polycrystal-diamond, first holes and ream again；
(9), check standby: by drawing pick rod body is carried out quality inspection.
The concrete procedure of processing of described composite polycrystal-diamond is,
(1), the dispensing of diadust, mixing: choose the normal diamond micropowder of the 10-20um granularity of the normal diamond micropowder of the 30-40um granularity of the normal diamond micropowder of the 50-60um granularity of 40% weight, 30% weight, 20% weight and the 5-20.0umCo powder of 10% weight, utilize planetary ball mill by above four kinds of powder ball millings 10 hours, be placed under the vacuum drying oven of 120 DEG C after mix homogeneously and save backup；
(2), in pyrophyllite block, diadust is assembled with hard alloy: take the 1.0g diadust mixed and assemble with the forcing press compacting of 5 tons with hard alloy substrate；Being placed in pyrophillite Synthetic block by matrix after assembling compacting, put into conducting steel ring, composition synthesis mould, wherein the thickness of diamond layer is 2.0mm；
(3), the pyrophyllite block of assembling is dried: baking temperature 180 DEG C, 1 hour time；
(4), synthesize under High Temperature High Pressure: the synthesis mould of composition is put into hexahedron synthetic diamond press, in pressure 5.8-6.0GPa, temperature 1350 DEG C-1500 DEG C, synthesizes 5 minutes, after cooling down 5 minutes, make composite polycrystal-diamond；
(5), blasting treatment: remove the sinter on composite polycrystal-diamond surface；
(6), the post-treatment of composite polycrystal-diamond: adopt grinding machine to carry out machining, after obtain composite polycrystal-diamond.Diameter tolerance is ± 0.01mm, and height tolerance is ± 0.05mm；
(7), check standby: by drawing composite polycrystal-diamond is carried out quality inspection.
The concrete procedure of processing being mounted to by composite polycrystal-diamond in pregroove marks is, PCD compacts brazing enters in the pregroove marks of pick rod body, and welding temperature is 650 DEG C, adopts the silver solder of high intensity and the silver brazing agent of powdery.
Being mounted in pregroove marks by composite polycrystal-diamond to adopt the mosaic mode of interference fit, the magnitude of interference controls at 0.05mm.
Described composite polycrystal-diamond is made up of diamond layer and hard alloy substrate, hard alloy substrate is cylindrical, diamond layer is conical, it it is spherical structure in the middle part of the outer end of diamond layer, hard alloy substrate diameter is 4.0-28.0mm, axial length is 4.0mm-40.0mm, and the thickness of diamond layer is 0.1-3.0mm.
Adopt technique scheme, due to cladding wearing layer on pick rod body outer circumference surface, thus greatly strengthen the wearability of pick rod, preformed groove is set at pick rod body working end simultaneously, and in preformed groove hole soldering or elastic conjunction composite polycrystal-diamond, so also substantially increase impact property, and pick rod body is greatly enhanced in intensity after Overheating Treatment.In a word, adopting the pick rod that the present invention processes, intensity increases, and wearability strengthens, and shock-resistant ability improves, and is also not easy fracture, bending occur under high frequency is worked continuously, and service life is greatly prolonged, and also substantially increases working performance.
Accompanying drawing explanation
Fig. 1 is the structural representation adopting post-treatment of the present invention to go out pick rod；
Fig. 2 is the structural representation adopting post-treatment of the present invention to go out pick rod body；
Fig. 3 is the structural representation adopting post-treatment of the present invention to go out composite polycrystal-diamond.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the polycrystalline diamond pick rod processing technique of the present invention, comprise the following steps, process pick rod body 1, in the end opens pregroove marks 2 of pick rod body 1 operation end；Processing composite polycrystal-diamond 3 simultaneously；Then composite polycrystal-diamond 3 is mounted in pregroove marks 2；Then quality inspection is carried out；Surface anticorrosion process is carried out after inspection；Finally pack warehouse-in.
Wherein the concrete procedure of processing of pick rod body 1 is,
(1), pick rod body 1 blanking: blanking adopts the round bar of 42CrMo or 35CrMnSi medium carbon alloy steel, and blanking is calculated by weight, and cutting stock weight is 1.1 times of pick rod body 1 blank weight；
(2), forging: adopting warm and hot forging mode, initial forging temperature is 1230 DEG C, and final forging temperature is 880 DEG C, forges the profile of pick rod body 1 blank；
(3), machining: adopt lathe and milling machine, by drawing processing (being of a size of prior art on drawing)；
(4), cladding wearing layer 4: adopting tungsten-carbide powder, at the circumferential surface cladding wearing layer 4 of the operation end of pick rod body 1, the thickness making wearing layer 4 is 2mm-3mm, and hardness reaches HRC55-60；
(5), heat treatment: pick rod body 1 is vertically placed in glowing furnace, hardening heat 850 DEG C；The type of cooling is oil cooling；Temperature is 450 DEG C, and what obtain is organized as martensitic structure；After heat treatment, the hardness of pick rod body 1 reaches HRC42-45, and the hardness of cladding wearing layer 4 still keeps HRC55-60；
(6), pick rod body 1 alignment: pick rod body 1 is carried out alignment with pressure correction machine；
(7), Shot Blasting: with shot-blast apparatus, pick rod body 1 carried out surface treatment, removes the oxide skin on pick rod body 1 surface, so can open texture, improve tensile strength；
(8), processing refine pregroove marks 2: the end opens of pick rod body 1 operation end is inlayed the pregroove marks 2 of composite polycrystal-diamond 3, first holes and ream again；
(9), check standby: by drawing pick rod body 1 is carried out quality inspection.
Heat treatment step at pick rod body 1 must carry out after pick rod body 1 cladding wearing layer 4, must closely follow pick rod body 1 straightening technology after the Technology for Heating Processing of pick rod body 1.
The concrete procedure of processing of composite polycrystal-diamond 3 is,
(1), the dispensing of diadust, mixing: choose the normal diamond micropowder of the 10-20um granularity of the normal diamond micropowder of the 30-40um granularity of the normal diamond micropowder of the 50-60um granularity of 40% weight, 30% weight, 20% weight and the 5-20.0umCo powder of 10% weight, utilize planetary ball mill by above four kinds of powder ball millings 10 hours, be placed under the vacuum drying oven of 120 DEG C after mix homogeneously and save backup；
(2), in pyrophyllite block, diadust is assembled with hard alloy: take the 1.0g diadust mixed and assemble with the forcing press compacting of 5 tons with hard alloy substrate；Being placed in pyrophillite Synthetic block by matrix after assembling compacting, put into conducting steel ring, composition synthesis mould, wherein the thickness of diamond layer is 2.0mm；
(3), the pyrophyllite block of assembling is dried: baking temperature 180 DEG C, 1 hour time；
(4), synthesize under High Temperature High Pressure: the synthesis mould of composition is put into hexahedron synthetic diamond press, in pressure 5.8-6.0GPa, temperature 1350 DEG C-1500 DEG C, synthesizes 5 minutes, after cooling down 5 minutes, make composite polycrystal-diamond 3；
(5), blasting treatment: remove the sinter on composite polycrystal-diamond 3 surface；
(6), the post-treatment of composite polycrystal-diamond 3: adopt grinding machine to carry out machining, after obtain composite polycrystal-diamond 3.Diameter tolerance is ± 0.01mm, and height tolerance is ± 0.05mm；
(7), check standby: by drawing composite polycrystal-diamond 3 is carried out quality inspection.
The concrete procedure of processing being mounted to by composite polycrystal-diamond 3 in pregroove marks 2 is, composite polycrystal-diamond 3 soldering enters in the pregroove marks 2 of pick rod body 1, and welding temperature is 650 DEG C, adopts the silver solder of high intensity and the silver brazing agent of powdery.
Composite polycrystal-diamond 3 is mounted to the mosaic mode adopting interference fit in pregroove marks 2, and the magnitude of interference controls at 0.05mm.
Composite polycrystal-diamond 3 is made up of diamond layer 5 and hard alloy substrate 6, hard alloy substrate 6 is cylindrical, diamond layer 5 is conical, it it is spherical structure 7 in the middle part of the outer end of diamond layer 5, hard alloy substrate 6 diameter is 4.0-28.0mm, axial length is 4.0mm-40.0mm, and the thickness of diamond layer 5 is 0.1-3.0mm.
Need the effect of welding/interference fit is tested before packaging warehouse-in, and carry out surface anticorrosion process: polycrystalline diamond point pick is carried out antirust treatment, oiling.
The shape of the present invention, material, structure etc. are not done any pro forma restriction by above-described embodiment; every any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, belongs to the protection domain of technical solution of the present invention.
Claims (5)
1. polycrystalline diamond pick rod processing technique, it is characterised in that: comprise the following steps, process pick rod body, in the end opens pregroove marks of pick rod body operation end；Process composite polycrystal-diamond simultaneously；Then composite polycrystal-diamond is mounted in pregroove marks；Then quality inspection is carried out；Surface anticorrosion process is carried out after inspection；Finally pack warehouse-in；
The concrete procedure of processing of described pick rod body is,
(1), pick rod body blanking: blanking adopts the round bar of 42CrMo or 35CrMnSi medium carbon alloy steel, and blanking is calculated by weight, and cutting stock weight is 1.1 times of pick rod body blank weight；
(2), forging: adopting warm and hot forging mode, initial forging temperature is 1230 DEG C, and final forging temperature is 880 DEG C, forges the profile of pick rod body blank；
(3), machining: adopt lathe and milling machine, process by drawing；
(4), cladding wearing layer: adopting tungsten-carbide powder, at the circumferential surface cladding wearing layer of the operation end of pick rod body, the thickness making wearing layer is 2mm-3mm, and hardness reaches HRC55-60；
(5), heat treatment: pick rod body is vertically placed in glowing furnace, hardening heat 850 DEG C；The type of cooling is oil cooling；Temperature is 450 DEG C, and what obtain is organized as martensitic structure；After heat treatment, the hardness of pick rod body reaches HRC42-45, and the hardness of cladding wearing layer still keeps HRC55-60；
(6), pick rod body alignment: pick rod body is carried out alignment with pressure correction machine；
(7), Shot Blasting: with shot-blast apparatus, pick rod body is carried out surface treatment, remove the oxide skin of pick rod body surface, open texture, improve tensile strength；
(8), processing refine pregroove marks: the end opens of pick rod body operation end is inlayed the pregroove marks of composite polycrystal-diamond, first holes and ream again；
(9), check standby: by drawing pick rod body is carried out quality inspection.
2. polycrystalline diamond pick rod processing technique according to claim 1, it is characterised in that: the concrete procedure of processing of described composite polycrystal-diamond is,
(1), the dispensing of diadust, mixing: choose the normal diamond micropowder of the 10-20um granularity of the normal diamond micropowder of the 30-40um granularity of the normal diamond micropowder of the 50-60um granularity of 40% weight, 30% weight, 20% weight and the 5-20.0umCo powder of 10% weight, utilize planetary ball mill by above four kinds of powder ball millings 10 hours, be placed under the vacuum drying oven of 120 DEG C after mix homogeneously and save backup；
(2), in pyrophyllite block, diadust is assembled with hard alloy: take the 1.0g diadust mixed and assemble with the forcing press compacting of 5 tons with hard alloy substrate；Being placed in pyrophillite Synthetic block by matrix after assembling compacting, put into conducting steel ring, composition synthesis mould, wherein the thickness of diamond layer is 2.0mm；
(3), the pyrophyllite block of assembling is dried: baking temperature 180 DEG C, 1 hour time；
(4), synthesize under High Temperature High Pressure: the synthesis mould of composition is put into hexahedron synthetic diamond press, in pressure 5.8-6.0GPa, temperature 1350 DEG C-1500 DEG C, synthesizes 5 minutes, after cooling down 5 minutes, make composite polycrystal-diamond；
(5), blasting treatment: remove the sinter on composite polycrystal-diamond surface；
(6), the post-treatment of composite polycrystal-diamond: adopt grinding machine to carry out machining, after obtain composite polycrystal-diamond,
Diameter tolerance is ± 0.01mm, and height tolerance is ± 0.05mm；
(7), check standby: by drawing composite polycrystal-diamond is carried out quality inspection.
3. polycrystalline diamond pick rod processing technique according to claim 1, it is characterized in that: the concrete procedure of processing being mounted to by composite polycrystal-diamond in pregroove marks is, PCD compacts brazing enters in the pregroove marks of pick rod body, welding temperature is 650 DEG C, adopts the silver solder of high intensity and the silver brazing agent of powdery.
4. polycrystalline diamond pick rod processing technique according to claim 1, it is characterised in that: being mounted in pregroove marks by composite polycrystal-diamond to adopt the mosaic mode of interference fit, the magnitude of interference controls at 0.05mm.
5. polycrystalline diamond pick rod processing technique according to claim 2, it is characterized in that: described composite polycrystal-diamond is made up of diamond layer and hard alloy substrate, hard alloy substrate is cylindrical, diamond layer is conical, it it is spherical structure in the middle part of the outer end of diamond layer, hard alloy substrate diameter is 4.0-28.0mm, and axial length is 4.0mm-40.0mm, and the thickness of diamond layer is 0.1-3.0mm.
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| CN201410266114.0A CN104148885B (en) | 2014-06-16 | 2014-06-16 | Polycrystalline diamond pick rod processing technique |
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| CN201410266114.0A CN104148885B (en) | 2014-06-16 | 2014-06-16 | Polycrystalline diamond pick rod processing technique |
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| CN112901164B (en) * | 2021-02-01 | 2024-12-03 | 武汉玖石超硬材料有限公司 | High impact resistance and high wear resistance polycrystalline diamond composite pick and manufacturing method thereof |
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| CN101251013A (en) * | 2008-03-28 | 2008-08-27 | 湖南飞瑞复合材料有限责任公司 | High abrasion-proof diamond composite cutter bit |
| CN102069355A (en) * | 2010-12-27 | 2011-05-25 | 北京工业大学 | Production method for pick-like bit |
| CN102400683A (en) * | 2011-11-10 | 2012-04-04 | 罗良钧 | Pick drill rod of pneumatic pick |
| CN102606082A (en) * | 2012-03-29 | 2012-07-25 | 成都比拓超硬材料有限公司 | Diamond compact and manufacturing process for same |
| CN103659168A (en) * | 2012-09-23 | 2014-03-26 | 佳木斯大学 | Production technology process of cutting tooth |
-
2014
- 2014-06-16 CN CN201410266114.0A patent/CN104148885B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1626309A (en) * | 2003-12-09 | 2005-06-15 | 泰安市科大金纳等离子科技有限公司 | Technical method for producing pick type cutting bit |
| CN101245705A (en) * | 2008-03-28 | 2008-08-20 | 湖南飞瑞复合材料有限责任公司 | Diamond compound cutter bit head and its manufacturing method |
| CN101251013A (en) * | 2008-03-28 | 2008-08-27 | 湖南飞瑞复合材料有限责任公司 | High abrasion-proof diamond composite cutter bit |
| CN102069355A (en) * | 2010-12-27 | 2011-05-25 | 北京工业大学 | Production method for pick-like bit |
| CN102400683A (en) * | 2011-11-10 | 2012-04-04 | 罗良钧 | Pick drill rod of pneumatic pick |
| CN102606082A (en) * | 2012-03-29 | 2012-07-25 | 成都比拓超硬材料有限公司 | Diamond compact and manufacturing process for same |
| CN103659168A (en) * | 2012-09-23 | 2014-03-26 | 佳木斯大学 | Production technology process of cutting tooth |
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| CN104148885A (en) | 2014-11-19 |
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