CN106180730A - A kind of preparation method of the novel general saw blade of high performance-price ratio granite - Google Patents
A kind of preparation method of the novel general saw blade of high performance-price ratio granite Download PDFInfo
- Publication number
- CN106180730A CN106180730A CN201610563443.0A CN201610563443A CN106180730A CN 106180730 A CN106180730 A CN 106180730A CN 201610563443 A CN201610563443 A CN 201610563443A CN 106180730 A CN106180730 A CN 106180730A
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- diamond
- saw blade
- preparation
- granite
- blank
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- 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
- B22F7/02—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 layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The present invention discloses the preparation method of a kind of novel general saw blade of high performance-price ratio granite, and step has the techniques such as preparation material, the three-decker pressed compact of " band diamond blank+intermediate layer blank+band diamond blank ", matrix welding；Wherein the carcass material of band diamond blank is mainly made up of the Fe Cu Sn pre-alloyed powder of 45 55% and the Fe Cu pre-alloyed powder of 45 55%, and the granularity of these two kinds of pre-alloyed powders is 300 400 mesh；The proportioning of each trace element of Fe Cu Sn pre-alloyed powder is 80 83%Fe, 15 17%Cu, 2 3%Sn；The proportioning of each trace element of Fe Cu pre-alloyed powder is 80 85%Fe, 15 20%Cu；Intermediate layer blank is made up of the reduced iron of 100%, and the granularity of powder is 300 400 mesh.The granite special saw blade of gained, is superior to existing granite saw blade in cutting performance and service life, and whole preparation cost is low, and market prospect is vast.
Description
Technical field
The present invention relates to diamond tool field, specifically refer to the preparation of a kind of novel general saw blade of high performance-price ratio granite
Method.
Background technology
Diamond saw blade is a kind of instrument being mainly used to cutting stone material, and it is mainly made up of matrix and cutter head two parts,
Matrix is the main support part of bonding cutter head, and cutter head is then the part in use playing cutting, and cutter head why can
The effect playing cutting is because wherein containing diamond, and diamond is as the hardest material, and it is friction cuttings in cutter head
Processed object.According to different stone material characteristics, different types of diamond saw blade, different powder class formula can be selected to be suitable for different material
The characteristic of matter, causes directly impact to quality, effect, qualification rate or even the cost and benefit of material product.Granite is normal
A kind of stone material seen, the general saw blade of current granite does not designs for Granite-cutting, is difficult to double being affixed to and cuts cutting edge of a knife or a sword
The problem of profit degree, service life and cost, saw blade cost performance is low.
In consideration of it, the problems referred to above are furtherd investigate by this case, and the novel high performance-price ratio that a kind of granite is special is proposed
The preparation method of the general saw blade of granite, this case thus produces.
Summary of the invention
It is an object of the invention to provide the preparation method of a kind of novel general saw blade of high performance-price ratio granite, it is possible to take into account
To each side such as cutting sharpness, service life and costs, cost performance is high, and traction is good.
In order to reach above-mentioned purpose, the solution of the present invention is:
A kind of preparation method of the novel general saw blade of high performance-price ratio granite, step is as follows:
1) material is prepared:
A, prepare carcass material: carcass material is mainly by the Fe-Cu-Sn pre-alloyed powder of 45-55% and 45-55%
Fe-Cu pre-alloyed powder forms, and the granularity of these two kinds of pre-alloyed powders is 300-400 mesh；By described part by weight weigh with
Upper two kinds of pre-alloyed powder mix homogeneously, obtain carcass material；
Wherein the proportioning of each trace element of Fe-Cu-Sn pre-alloyed powder is 80-83%Fe, 15-17%Cu, 2-3%
Sn；The proportioning of each trace element of Fe-Cu pre-alloyed powder is 80-85%Fe, 15-20%Cu；
B, Reserve Fund hard rock: by the diamond mix homogeneously that granularity is 35,/40 50/60；
C, preparation intermediate layer blank: intermediate layer blank is made up of the reduced iron of 100%, and the granularity of powder is 300-400
Mesh；
D, preparation matrix；
2), above-mentioned ready material is sufficiently mixed by the part by weight of diamond 5-15%, carcass material 95-85%
And obtain compound, and in compound, adding forming agent afterwards, the two is sufficiently mixed and uniformly obtains band diamond layer blank；Molding
Agent consumption is joined 11-15ml forming agent by every kilogram of compound and is as the criterion；
3), by compressing to above-mentioned band diamond layer blank and intermediate layer blank, pressed compact is obtained；By pressed compact by " band Buddha's warrior attendant
Stone blank+intermediate layer blank+band diamond blank " three-decker load graphite jig carry out hot pressed sintering, obtain Buddha's warrior attendant
Stone cutter head；
4), step 3 is taken) diamond segment that obtains, and ready matrix, on high frequency induction welding picks, use copper
Welding welds, and obtains the general saw blade of granite.
Described step 3) in, the thickness of the pressed compact of band diamond blank with the ratio of the thickness of the pressed compact of intermediate layer blank is
1.5-1.8:1。
Described step 1) in, matrix uses 65Mn material, the matrix of Φ 400mm, gold conjugate diamond tool bit 38 tooth.
After using such scheme, the preparation method of a kind of novel general saw blade of high performance-price ratio granite of the present invention, relative to
Having the beneficial effects that of prior art: granite saw blade of the present invention, the single layer structure of corresponding granite cutter head abandoning tradition, wound
Newly use three-decker, and this three-decker includes two outer layers of band diamond and without the intermediate layer of diamond, and
Carcass material with diamond layer is made up of Fe-Cu-Sn pre-alloyed powder and the Fe-Cu pre-alloyed powder of certain proportioning, without
The intermediate layer reduced iron of diamond forms；And, further, matrix uses Φ 400mm to coordinate 38 serrated knife heads more especially
Structure, the two welding uses brazing technique.Being so designed that, the granite special saw blade of gained, cutting performance and service life are equal
Being better than existing granite saw blade, and whole preparation cost is low, market prospect is vast.
Detailed description of the invention
Below in conjunction with detailed description of the invention, this case is described in further detail.
This case relates to the preparation method of a kind of novel general saw blade of high performance-price ratio granite, and step is as follows:
1) material is prepared:
A, prepare carcass material: carcass material is mainly by the Fe-Cu-Sn pre-alloyed powder of 45-55% and 45-55%
Fe-Cu pre-alloyed powder forms, and the granularity of these two kinds of pre-alloyed powders is 300-400 mesh；By described part by weight weigh with
Upper two kinds of pre-alloyed powder mix homogeneously, obtain carcass material；
Wherein the proportioning of each trace element of Fe-Cu-Sn pre-alloyed powder is 80-83%Fe, 15-17%Cu, 2-3%
Sn；The proportioning of each trace element of Fe-Cu pre-alloyed powder is 80-85%Fe, 15-20%Cu；
B, Reserve Fund hard rock: by the diamond mix homogeneously that granularity is 35,/40 50/60；
C, preparation intermediate layer blank: intermediate layer blank is made up of the reduced iron of 100%, and the granularity of powder is 300-400
Mesh；
D, preparation matrix: preferably, matrix uses 65Mn material, the matrix of Φ 400mm；
2), above-mentioned ready material is sufficiently mixed by the part by weight of diamond 5-15%, carcass material 95-85%
And obtain compound, and in compound, adding forming agent afterwards, the two is sufficiently mixed and uniformly obtains band diamond layer blank；Molding
Agent consumption is joined 11-15ml forming agent by every kilogram of compound and is as the criterion；Forming agent predominantly compound carries out moistening molding effect.
3), by compressing to above-mentioned band diamond layer blank and intermediate layer blank, pressed compact is obtained；By pressed compact by " band Buddha's warrior attendant
Stone blank+intermediate layer blank+band diamond blank " three-decker load graphite jig carry out hot pressed sintering, obtain Buddha's warrior attendant
Stone cutter head；
Described compressing pressure used is 2.5-3.0t/cm2；Hot pressed sintering is carried out in pressing sintering, specifically
At 860-880 DEG C of temperature, 350-400kg/cm21-2min it is incubated under pressure；
4), step 3 is taken) diamond segment that obtains, and ready matrix, on high frequency induction welding picks, use copper
Welding welds, and obtains the general saw blade of granite of the present invention, and the granite saw blade that last butt welding connects is also may pass through shaping, puts the first edge on a knife or a pair of scissors
And polishing, obtain qualified product.Solder is specially HL841 spelter solder.Corresponding matrix uses 65Mn material, the base of Φ 400mm
Body, coordinates the diamond segment of 38 teeth.
The general saw blade of granite prepared by the present invention, carcass material selects high intensity (bending strength is more than 1800Mpa), high
The pre-alloyed powder of hardness (hardness is more than 100HRB), such carcass can be greatly improved the life-span of whole saw blade；Its cutter head
Bending strength is 1600-1900MPa, hardness 95-105HRB, cuts testing machine test with bridge, and power consumption is 7-8KW, uses the longevity
Life is superior to existing granite saw blade up to 130m/mm, power consumption and life-span.Intermediate layer uses and differs from carcass material not
With the low price reduced iron of diamond, owing to intermediate layer consumes faster without diamond in cutting thus produce groove, so have
It is beneficial to chip removal and cooling, can be more preferably than pure carcass material sharpness.
Preferably, the thickness of the pressed compact of band diamond blank is 1.5-with the ratio of the thickness of the pressed compact of intermediate layer blank
1.8:1, particular preferred embodiment is 1.75:1.On the basis of the specified raw material and specific proportioning of the two pressed compact, the two
Thickness proportion directly affects the problems such as the obtained quality of cutter head, cutting performance, life-span and cost.Existing granite saw blade
Cutter head uses single layer structure, so being not directed to thickness than problem, sets even if including multiple structure in cutter head field at present
Meter, but it typically is identical sandwich tape diamond layer configurations, even if there being different layers structure, the most all it is not directed to different layers thickness
Design realize cutter head overall performance optimization.The present invention designs the saw blade and cutter head designed for granite, and cutter head is special
Ground uses the three-decker of specific blank, and the thickness of specific three-decker is optimized design targetedly, is brought
Effect combine the advantages such as quality, cutting performance, life-span and cost.
The general saw blade of granite of the present invention, the specific three-decker design of cutter head, under guaranteeing cutting performance premise, reduces
The consumption of alloy powder and diamond, effectively reduces the cost of raw material.In carcass material, low-melting-point metal component content is low,
Sintering temperature is higher, and up to 860-880 DEG C, the welding stage can use brazing technique, and in welding process, cutter head does not expands, without scaling loss
Deformation, welding cost is low.Additionally the matrix of product Φ 400mm uses 38 toothings especially, increases cutting cutting edge, on an equal basis
Under the conditions of sharpness will improve；And, the cutter head of the band cambered structure matched without specialized designs and matrix in preparation, but
Continue to use the structure of the big cutter head of the market mainstream, need not still further purchase new die, reduce die cost；It is also possible to use four during sintering
Layer mode structure sintering, is changed into stove 48 tooth by original stove 24 tooth, reduces sintering grid electricity fee cost and mould loss.So exist
On the premise of promoting to reduce every cost, make saw blade still can guarantee that superior cutting performance, there is cost-competitive, market
Prospect is vast.
The foregoing is only the preferred embodiments of the present invention, all impartial changes done with scope of the invention as claimed and
Modify, the scope of the claims in the present invention all should be belonged to.
Claims (3)
1. the preparation method of the novel general saw blade of high performance-price ratio granite, it is characterised in that step is as follows:
1) material is prepared:
A, preparation carcass material: carcass material is mainly by Fe-Cu-Sn pre-alloyed powder and the Fe-Cu of 45-55% of 45-55%
Pre-alloyed powder forms, and the granularity of these two kinds of pre-alloyed powders is 300-400 mesh；Both the above is weighed by described part by weight
Pre-alloyed powder mix homogeneously, obtains carcass material；
Wherein the proportioning of each trace element of Fe-Cu-Sn pre-alloyed powder is 80-83%Fe, 15-17%Cu, 2-3%Sn；Fe-
The proportioning of each trace element of Cu pre-alloyed powder is 80-85%Fe, 15-20%Cu；
B, Reserve Fund hard rock: by the diamond mix homogeneously that granularity is 35,/40 50/60；
C, preparation intermediate layer blank: intermediate layer blank is made up of the reduced iron of 100%, and the granularity of powder is 300-400 mesh；
D, preparation matrix；
2), above-mentioned ready material is sufficiently mixed by the part by weight of diamond 5-15%, carcass material 95-85% and is obtained
To compound, adding forming agent afterwards in compound, the two is sufficiently mixed and uniformly obtains band diamond layer blank；Forming agent is used
Amount is joined 11-15ml forming agent by every kilogram of compound and is as the criterion；
3), by compressing to above-mentioned band diamond layer blank and intermediate layer blank, pressed compact is obtained；By pressed compact by " band diamond base
Material+intermediate layer blank+band diamond blank " three-decker load graphite jig carry out hot pressed sintering, obtain diamond knife
Head；
4), step 3 is taken) diamond segment that obtains, and ready matrix, on high frequency induction welding picks, use copper arc welding electrodes
Skill is welded, and obtains the general saw blade of granite.
The preparation method of a kind of novel general saw blade of high performance-price ratio granite the most as claimed in claim 1, it is characterised in that institute
State step 3) in, the thickness of the pressed compact of band diamond blank is 1.5-1.8:1 with the ratio of the thickness of the pressed compact of intermediate layer blank.
The preparation method of a kind of novel general saw blade of high performance-price ratio granite the most as claimed in claim 1, it is characterised in that institute
State step 1) in, matrix uses 65Mn material, the matrix of Φ 400mm, gold conjugate diamond tool bit 38 tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563443.0A CN106180730B (en) | 2016-07-18 | 2016-07-18 | A kind of preparation method of the novel general saw blade of high performance-price ratio granite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563443.0A CN106180730B (en) | 2016-07-18 | 2016-07-18 | A kind of preparation method of the novel general saw blade of high performance-price ratio granite |
Publications (2)
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| CN106180730A true CN106180730A (en) | 2016-12-07 |
| CN106180730B CN106180730B (en) | 2018-06-29 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262709A (en) * | 2017-08-18 | 2017-10-20 | 河北小蜜蜂工具集团有限公司 | A kind of formula for being used to make the carcass for the combined saw blade cutter head for cutting blue bricks common brick |
| CN107414085A (en) * | 2017-07-07 | 2017-12-01 | 泉州众志金刚石工具有限公司 | A kind of preparation method of carcass material and fine-granularity diamond saw blade and saw blade |
| CN110039662A (en) * | 2019-04-12 | 2019-07-23 | 河北小蜜蜂工具集团有限公司 | A kind of production method for the diamond saw blade cutting calcium silicate board |
| CN112207274A (en) * | 2020-10-14 | 2021-01-12 | 泉州众志金刚石工具有限公司 | Artificial quartz stone gang saw tool bit and preparation method thereof |
| CN112238220A (en) * | 2020-10-14 | 2021-01-19 | 泉州众志金刚石工具有限公司 | Interlayer matrix material and preparation method of diamond tool bit |
| CN115029604A (en) * | 2022-06-16 | 2022-09-09 | 北京安泰钢研超硬材料制品有限责任公司 | Silencing rock plate cutting saw blade and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06279115A (en) * | 1993-03-30 | 1994-10-04 | Kyocera Corp | Production of diamond sintered compact |
| CN2918017Y (en) * | 2006-06-19 | 2007-07-04 | 泉州众志金刚石工具有限公司 | Diamond circular saw blade with noise reduction |
| CN101590566A (en) * | 2009-06-30 | 2009-12-02 | 河北小蜜蜂工具集团有限公司 | A kind of method with brazing sheet welding diamond saw blade |
| CN202098028U (en) * | 2011-06-16 | 2012-01-04 | 上海金如涛实业有限公司 | Multi-layer cutter head of diamond tool |
| CN102528942A (en) * | 2011-12-28 | 2012-07-04 | 福建万龙金刚石工具有限公司 | High-efficiency diamond bit and production process thereof |
| CN102922607A (en) * | 2012-11-07 | 2013-02-13 | 山东日能超硬材料有限公司 | Gang saw cutting head for cutting granites and manufacture method thereof |
| CN103624260A (en) * | 2013-11-30 | 2014-03-12 | 河南鑫鑫金刚石工具有限公司 | Tool bit for cutting granite and manufacturing technology thereof |
| CN104289718A (en) * | 2014-09-18 | 2015-01-21 | 泉州众志金刚石工具有限公司 | Method for manufacturing marble cutter bit and matrix material adopted for same |
-
2016
- 2016-07-18 CN CN201610563443.0A patent/CN106180730B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06279115A (en) * | 1993-03-30 | 1994-10-04 | Kyocera Corp | Production of diamond sintered compact |
| CN2918017Y (en) * | 2006-06-19 | 2007-07-04 | 泉州众志金刚石工具有限公司 | Diamond circular saw blade with noise reduction |
| CN101590566A (en) * | 2009-06-30 | 2009-12-02 | 河北小蜜蜂工具集团有限公司 | A kind of method with brazing sheet welding diamond saw blade |
| CN202098028U (en) * | 2011-06-16 | 2012-01-04 | 上海金如涛实业有限公司 | Multi-layer cutter head of diamond tool |
| CN102528942A (en) * | 2011-12-28 | 2012-07-04 | 福建万龙金刚石工具有限公司 | High-efficiency diamond bit and production process thereof |
| CN102922607A (en) * | 2012-11-07 | 2013-02-13 | 山东日能超硬材料有限公司 | Gang saw cutting head for cutting granites and manufacture method thereof |
| CN103624260A (en) * | 2013-11-30 | 2014-03-12 | 河南鑫鑫金刚石工具有限公司 | Tool bit for cutting granite and manufacturing technology thereof |
| CN104289718A (en) * | 2014-09-18 | 2015-01-21 | 泉州众志金刚石工具有限公司 | Method for manufacturing marble cutter bit and matrix material adopted for same |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414085A (en) * | 2017-07-07 | 2017-12-01 | 泉州众志金刚石工具有限公司 | A kind of preparation method of carcass material and fine-granularity diamond saw blade and saw blade |
| CN109822102A (en) * | 2017-07-07 | 2019-05-31 | 泉州众志金刚石工具有限公司 | A kind of preparation method of fine-granularity diamond saw blade |
| CN107414085B (en) * | 2017-07-07 | 2019-07-16 | 泉州众志金刚石工具有限公司 | A kind of diamond segment carcass material and fine-granularity diamond saw blade |
| CN107262709A (en) * | 2017-08-18 | 2017-10-20 | 河北小蜜蜂工具集团有限公司 | A kind of formula for being used to make the carcass for the combined saw blade cutter head for cutting blue bricks common brick |
| CN110039662A (en) * | 2019-04-12 | 2019-07-23 | 河北小蜜蜂工具集团有限公司 | A kind of production method for the diamond saw blade cutting calcium silicate board |
| CN112207274A (en) * | 2020-10-14 | 2021-01-12 | 泉州众志金刚石工具有限公司 | Artificial quartz stone gang saw tool bit and preparation method thereof |
| CN112238220A (en) * | 2020-10-14 | 2021-01-19 | 泉州众志金刚石工具有限公司 | Interlayer matrix material and preparation method of diamond tool bit |
| CN112238220B (en) * | 2020-10-14 | 2022-07-05 | 泉州众志金刚石工具有限公司 | Interlayer matrix material and preparation method of diamond tool bit |
| CN115029604A (en) * | 2022-06-16 | 2022-09-09 | 北京安泰钢研超硬材料制品有限责任公司 | Silencing rock plate cutting saw blade and preparation method thereof |
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| CN106180730B (en) | 2018-06-29 |
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Denomination of invention: Preparation method of novel cost-effective universal granite saw web Effective date of registration: 20191009 Granted publication date: 20180629 Pledgee: Luojiang sub branch of Bank of China Limited Pledgor: Quanzhou Zhongzhi Diamond Tools Co., Ltd. Registration number: Y2019990000309 |
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