CN208162762U - A kind of cutting part - Google Patents
A kind of cutting part Download PDFInfo
- Publication number
- CN208162762U CN208162762U CN201820044443.4U CN201820044443U CN208162762U CN 208162762 U CN208162762 U CN 208162762U CN 201820044443 U CN201820044443 U CN 201820044443U CN 208162762 U CN208162762 U CN 208162762U
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- CN
- China
- Prior art keywords
- metal portion
- cutting part
- steel
- blade
- metal
- 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
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- 238000005520 cutting process Methods 0.000 title claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 97
- 239000002184 metal Substances 0.000 claims abstract description 97
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 25
- 239000011159 matrix material Substances 0.000 claims abstract description 19
- 229910001315 Tool steel Inorganic materials 0.000 claims abstract description 12
- 229910000677 High-carbon steel Inorganic materials 0.000 claims abstract description 11
- 229910000954 Medium-carbon steel Inorganic materials 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000010030 laminating Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 abstract description 10
- 229910000997 High-speed steel Inorganic materials 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 31
- 238000000034 method Methods 0.000 description 7
- 238000005275 alloying Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000005496 tempering Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010884 ion-beam technique Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The utility model discloses a kind of cutting part, cutting part includes matrix, blade and weld part;Matrix is made of the first metal portion, and the first metal portion has first side;For blade by the second metal portion and for the laminating formation of third metal portion of cutting edge, the second metal portion is high strength alloy steel, and has second side;Third metal portion is high-speed tool steel, and has third side;Weld part connects the first metal portion and the second metal portion, the cutting part of the utility model uses three metal structures, using lower-cost medium and high carbon steel or low-alloy steel as basis material, its cost applied to larger size panel saw when can be reduced, panel saw tooth tip has used the high speed steel materials such as M2, M42, M35, wearability is significantly got a promotion, and saw service life improves.
Description
Technical field
The utility model relates to a kind of cutting part more particularly to a kind of cutting members formed by Metal Material Welding.
Background technique
Common bladed saw tip materials mostly use whole medium and high carbon steel or low-alloy steel, such as 65Mn, SK5,50# etc., but by
It limits in material, is worn no resistance with the tooth tip of the bladed saw of the material as a whole.
If entire panel saw uses ultra-wide bimetallic composite steel band, width is in 90mm or more, because of bimetallic clad steel
Band saw blade backing generally uses high strength alloy steel, and alloying element total content is more than 5.0%, and cost is excessively high, and the market competitiveness is not
Greatly.
Also, using after ultra-wide bimetallic composite steel band, high-speed steel steel wire, such as M2, M42 etc., and as backing
After the docking such as high strength alloy steel, such as D6A, X32 weld, heat treatment process later will be according to high-speed steel technique overall thermal at
Reason, need to carry out high tempering, and it is low to will lead to saw bit matrix hardness, only HRC30 or so, intensity difference, and saw blade deformation is big and is not easy
Control.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide one kind have both it is wear-resisting
The cutting part of property, toughness and high rigidity.
The utility model provides a kind of cutting part,
Cutting part includes matrix, blade and weld part;
Matrix is made of the first metal portion, and the first metal portion is medium and high carbon steel or low-alloy steel, has first side;
For blade by the second metal portion and for the laminating formation of third metal portion of cutting edge, the second metal portion is high-strength alloy
Steel, and there is second side;Third metal portion is high-speed tool steel, and has third side;
Weld part connects the first metal portion and the second metal portion.
Further, blade is the composite steel band of the laminating formation of third metal portion by the second metal portion and for cutting edge.
Further, the hardness of high-speed tool steel is 58-72HRC.
Further, the hardness of high strength alloy steel is 38-52HRC.
Further, the hardness of medium and high carbon steel or low-alloy steel is 38-52HRC.
Further, the phosphorus content of the second metal portion is 0.30-0.60%, and alloying element total content is 2.0-8.0%.
Further, alloying element includes any one or more in Cr, V, Mo, Ni, W, Ti, Si and Mn.
Further, high strength alloy steel includes any one or more in D6A, X32 and 50CrV.
Further, third metal portion is the high-speed tool steel that phosphorus content is not less than 0.70%.
Further, high-speed tool steel includes M2, M42 or M35.
Further, the hardness of medium and high carbon steel or low-alloy steel is 38-52HRC.
Further, the first metal portion includes 65Mn, SK5 and 50# steel.
Further, the width of third metal portion is 1.0-4.0mm.
Further, the width of the second metal portion is 2.0-30.0mm.
Further, the width of the first metal portion is in 30.0-100.0mm.
The utility model also provides a kind of panel saw, comprising cutting part as described above.
The utility model also provides a kind of manufacturing method of cutting part, and manufacturing method includes will be by the second metal portion and the
The composite steel band of three metal portions composition is soldered to the idiosome that cutting part is formed on matrix, and welding process occurs in the second metal portion
Between the first metal portion of matrix, weld part, then butt welding are formed after welding between the second metal portion and the first metal portion
Socket part carries out lonneal processing, to eliminate the welding stress of weld part.
Further, the tempering temperature of lonneal processing is 180-450 DEG C, and soaking time is 60-240 minutes.
Further, after lonneal processing, the hardness of third metal portion, which reduces, is no more than 1.0HRC, the first metal portion
It is reduced with the hardness of the second metal portion and is no more than 2.0HRC.
Further, it is welded using high energy beam current and welds the composite steel band being made of the second metal portion and third metal portion
The idiosome of cutting part is formed on to matrix.
Further, high energy beam current welding includes laser welding, electron beam welding or ion-beam welding.
Further, the second metal portion is cryptocrystalline martensite and partially carbonized object tissue close to the structure of weld part.
Further, the first metal contains martensite, ferrite and carbide tissue close to the structure of weld part.
Further, the welding heat affected zone depth of the first metal portion and the second metal portion is no more than 3.0mm.
Further, using the pulsed laser welding of wavelength 1064nm, the movement velocity of welding gun is in 5~50mm/s.
Further, when being welded using the continuous laser for the wavelength 1070nm ± 10nm for supporting by the arm rare earth, the fortune of laser welding head
Speed is moved in 5~50mm/s.
The utility model has the advantages that:
1. the cutting part of the utility model uses three metal structures, using lower-cost medium and high carbon steel or low-alloy steel
As basis material, it is possible to reduce its be applied to larger size panel saw when cost, panel saw tooth tip used M2, M42,
The high speed steel materials such as M35, wearability are significantly got a promotion, and saw service life improves.
2. the cutting part of the utility model can be using the mature bimetallic composite steel band commercially produced, bimetallic is multiple
It is welded again after closing steel band heat treatment, has ensured saw blade and teeth portion hardness, so that tooth tip is obtained high-wearing feature, while having ensured saw
The high tenacity of piece.
3. doing matrix using conventional saw blade, narrow bimetallic composite steel band does teeth portion material, and saw sexual valence is relatively high.
Detailed description of the invention
Fig. 1 is a kind of a kind of schematic diagram of cutting part provided by the utility model;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 is the partial enlargement diagram of Fig. 2;
Fig. 4 is a kind of process flow chart of the manufacturing method of cutting part provided by the utility model.
In figure, matrix 1, the first metal portion 11, blade 2, the second metal portion 21, third metal portion 22.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and referring to data.It should be understood that embodiment is intended merely to lift
Example illustrates the present invention, rather than limits the range of invention in any way.
As shown in Figure 1-3, the utility model provides a kind of cutting part,
Cutting part includes matrix, blade and weld part;It uses three metal structures, i.e., by the metal of three kinds of different performances
Material cladding is formed.
Matrix is made of the first metal portion, and the first metal portion is medium and high carbon steel or low-alloy steel, has first side;
For blade by the second metal portion and for the laminating formation of third metal portion of cutting edge, the second metal portion is high-strength alloy
Steel, and there is second side;Third metal portion is high-speed tool steel, and has third side;
Weld part connects the first metal portion and the second metal portion.
The matrix of medium and high carbon steel or low-alloy steel as cutting part is selected, the most of backing for assuming responsibility for cutting part is used
Material, is greatly reduced cutting part overall cost.
Select high strength alloy steel as the transition portion of welding, welding generation the first metal portion and the second metal portion it
Between, lonneal is directlyed adopt after welding to eliminate the welding stress of the first metal portion and the second metal portion commissure, therefore this
The structure of product, which realizes low-temperature treatment, can be realized the welding stress elimination of the first metal portion and the second metal portion, and obtain into
This lower, cutting part that tool edge wear-proof is had excellent performance.
Wherein the hardness of high-speed tool steel is 58-72HRC, and phosphorus content is not less than 0.70% high-speed tool steel.At one
In preferred embodiment, high-speed tool steel includes M2, M42, M35.
The hardness of high strength alloy steel is 38-52HRC.The phosphorus content of the high strength alloy steel of second metal portion is 0.30-
0.60%, and alloying element total content is 2.0-8.0%.Alloying element include but is not limited to Cr, V, Mo, Ni, W, Ti, Si and
Mn.In a preferred embodiment, high strength alloy steel can select D6A, X32 and 50CrV.
The hardness of medium and high carbon steel or low-alloy steel is 38-52HRC, and the hardness of the first metal portion is 38-52HRC.At one
In preferred embodiment, the first metal portion includes 65Mn, SK5 and 50#.Preferably, the width of the first metal portion is in 30.0-
100.0mm。
In one embodiment, the narrower width of blade, the specially width of third metal portion be 1.0-4.0mm, second
The width of metal portion is 2.0-30.0mm.
In one embodiment, blade is the compound of the laminating formation of third metal portion by the second metal portion and for cutting edge
Steel band.The composite steel band can select the mature clad steel band commercially produced.
In one embodiment, the utility model provides a kind of panel saw comprising cutting part described above, it is excellent
Choosing, the width of the first metal portion of the panel saw is in 30.0-100.0mm.
As described in Figure 4, the utility model additionally provides a kind of manufacturing method of cutting part, and manufacturing method includes will be by the
The composite steel band of two metal portions and third metal portion composition is soldered to the idiosome that cutting part is formed on matrix, and welding process occurs
Between the second metal portion and the first metal portion as matrix, formed between the second metal portion and the first metal portion after welding
Then weld part carries out lonneal processing to weld part, to eliminate the welding stress of weld part.
Welding procedure is specially:
It is welded using high energy beam current and the composite steel band being made of the second metal portion and third metal portion is soldered on matrix
Form the idiosome of cutting part.After welding, the second metal portion contains cryptocrystalline martensite and part carbon close to the structure of weld part
Compound tissue.First metal contains martensite, ferrite and carbide tissue close to the structure of weld part.First metal portion and
The welding heat affected zone depth of second metal portion is no more than 3.0mm.Preferably, using the pulse laser welding of wavelength 1064nm
It connects, the movement velocity of welding gun is in 5~50mm/s;Or when being welded using the continuous laser for the wavelength 1070nm ± 10nm for supporting by the arm rare earth,
The movement velocity of laser welding head is in 5~50mm/s.
In one embodiment, using bladed saw saw blade as matrix.
In one embodiment, high energy beam current welding uses laser welding, electron beam welding, ion-beam welding.
Lonneal is handled:
The tempering temperature of lonneal processing is 180-450 DEG C, and soaking time is 60-240 minutes.
After lonneal processing, the hardness of third metal portion, which reduces, is no more than 1.0HRC, the first metal portion and the second gold medal
The hardness in category portion, which reduces, is no more than 2.0HRC.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (12)
1. a kind of cutting part, which is characterized in that
The cutting part includes matrix, blade and weld part;
Described matrix is made of the first metal portion, and first metal portion is medium and high carbon steel or low-alloy steel, has first side;
For the blade by the second metal portion and for the laminating formation of third metal portion of cutting edge, second metal portion is high intensity
Steel alloy, and there is second side;The third metal portion is high-speed tool steel, and has third side;
The weld part connects first metal portion and the second metal portion.
2. a kind of cutting part as described in claim 1, which is characterized in that the blade is by the second metal portion and to be used for sword
The composite steel band of the laminating formation of third metal portion of mouth.
3. a kind of cutting part as described in claim 1, which is characterized in that the hardness of the high-speed tool steel is 58-
72HRC。
4. a kind of cutting part as described in claim 1, which is characterized in that the hardness of the high strength alloy steel is 38-
52HRC。
5. a kind of cutting part as described in claim 1, which is characterized in that the hardness of the medium and high carbon steel or low-alloy steel is
38-52HRC。
6. a kind of cutting part as described in claim 1, which is characterized in that the high strength alloy steel include D6A, X32 and
Any one or more in 50CrV.
7. a kind of cutting part as described in claim 1, which is characterized in that the high-speed tool steel includes M2, M42 or M35.
8. a kind of cutting part as described in claim 1, which is characterized in that first metal portion include 65Mn, SK5 and
50# steel.
9. a kind of cutting part as described in claim 1, which is characterized in that the width of the third metal portion is 1.0-
4.0mm。
10. a kind of cutting part as described in claim 1, which is characterized in that the width of second metal portion is 2.0-
30.0mm。
11. a kind of cutting part as described in claim 1, which is characterized in that the width of first metal portion is in 30.0-
100.0mm。
12. a kind of panel saw, which is characterized in that the panel saw includes cutting part described in claim 1-11.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820044443.4U CN208162762U (en) | 2018-01-11 | 2018-01-11 | A kind of cutting part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820044443.4U CN208162762U (en) | 2018-01-11 | 2018-01-11 | A kind of cutting part |
Publications (1)
Publication Number | Publication Date |
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CN208162762U true CN208162762U (en) | 2018-11-30 |
Family
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CN201820044443.4U Expired - Fee Related CN208162762U (en) | 2018-01-11 | 2018-01-11 | A kind of cutting part |
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CN (1) | CN208162762U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109465609A (en) * | 2018-12-29 | 2019-03-15 | 无锡苏嘉法斯特汽车零配件有限公司 | A kind of preparation method of automobile abnormal shape door anti-collision joist welded still pipe |
-
2018
- 2018-01-11 CN CN201820044443.4U patent/CN208162762U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109465609A (en) * | 2018-12-29 | 2019-03-15 | 无锡苏嘉法斯特汽车零配件有限公司 | A kind of preparation method of automobile abnormal shape door anti-collision joist welded still pipe |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |