CN206952190U - A kind of cutting tool for groove processing - Google Patents
A kind of cutting tool for groove processing Download PDFInfo
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- CN206952190U CN206952190U CN201720772813.1U CN201720772813U CN206952190U CN 206952190 U CN206952190 U CN 206952190U CN 201720772813 U CN201720772813 U CN 201720772813U CN 206952190 U CN206952190 U CN 206952190U
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Abstract
The utility model discloses a kind of cutting tool for groove processing, including cutting tip and cutter holder, cutting tip has upper locating surface and lower locating surface, upper locating surface includes upper positioning convex arc surface and upper positioning inclined-plane, lower locating surface includes lower positioning convex arc surface and lower positioning inclined-plane, cutter holder has the holding tank for clamping the cutting tip, holding tank has upper clamping face and lower clamping face, upper clamping face have respectively with the upper positioning convex arc surface, the upper clamping concaved circular cambered surface that upper positioning inclined-plane coordinates, upper clamping ramps, lower clamping face have respectively with lower positioning convex arc surface, the lower clamping concaved circular cambered surface that lower positioning inclined-plane coordinates, lower clamping ramps.The utility model is male-female engagement due to upper positioning convex arc surface and lower clamping concaved circular cambered surface, moving left and right when limiting cutting tip processing, inclined-plane between upper positioning inclined-plane and upper clamping ramps coordinates, limit rotation during cutting tip processing, positioned it is achieved thereby that crossing, ensure that cutting tip positioning is reliable.
Description
Technical field
It the utility model is related to metal cutting process field, more particularly to a kind of cutting tool for groove processing.
Background technology
The positioning of groove processing blade generally has following several ways：Upper and lower V-arrangement face（Including recessed V-arrangement and convex V-arrangement）Positioning；Under
Locating surface is convex V-arrangement, and upper locating surface is plane；Lower locating surface is zigzag, and upper locating surface is recessed V-arrangement；Upper and lower locating surface is to lead
Rail type etc., its general principle are all by the positioning of front and rear locating surface, pass through the limitation in upper and lower V-arrangement face when needing horizontal turning
To realize stable turning, it is obtained for and is widely applied in the cutter producer of these modes at home and abroad, and each cutting tool factory
The positioning method of family is all applied using the cutter holder of oneself, and the market share is seized in a manner of not realizing logical dress.Due to groove
The application of blade is very extensive, and making is simple, easy to use, and said structure is widely used in groove class process tool.
In existing patented technology, as blade and knife bar are coordinated with the convex V-arrangement formulas of recessed V, if the V-arrangement angle of blade and knife bar
Can not equal mode formed, then the above-mentioned contact surface of blade and knife bar can not be made snugly into each other and clamped.Such as the convex V of knife bar
Clevis angle is more slightly larger than the recessed V-arrangement angle of blade, then blade is proximate to the linear contact lay of outer ledge with knife bar in width, conversely
, more slightly smaller than the recessed V-arrangement angle of blade in the convex V-arrangement angle of knife bar, then blade is on inboard portion in width with knife bar
Contact, no matter so any situation, is not avoided that blade to be arranged in knife bar and installs this unstable drawback.Otherwise blade
It is similar with the situation that knife bar is coordinated with the recessed V-arrangement formulas of convex V.
Although above-mentioned location structure can realize positioning, upper and lower locating surface and knife bar are all the knots using two-point locating
Structure, the upper locating surface of blade either descend that locating surface is symmetrical structure or upper locating surface and lower locating surface is symmetrical structure,
To ensure that cutting of the blade in horizontal turning process is stable, hard alloy is due to being heat-treated using compound（Sintering）
Formed, sintering warpage inevitably be present, only by facing directly or arc surface realizes positioning, the precision of manufacture proposed
Very high requirement, or the accuracy of manufacture can not guarantee, the insecure situation of positioning occurs.
Utility model content
The technical problems to be solved in the utility model is overcome the deficiencies in the prior art, there is provided a kind of cutting tip positioning can
The cutting tool for groove processing leaned on.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of cutting tool for groove processing, including cutting tip and cutter holder, the cutting tip have upper locating surface
With lower locating surface, the upper locating surface, which includes upper positioning convex arc surface and upper positioning inclined-plane, the lower locating surface, includes lower positioning
Convex arc surface and lower positioning inclined-plane, the cutter holder have the holding tank for clamping the cutting tip, and the holding tank has upper folder
Face and lower clamping face are held, the upper clamping face has the upper folder coordinated respectively with the upper positioning convex arc surface, upper positioning inclined-plane
Concaved circular cambered surface, upper clamping ramps are held, the lower clamping face has to be positioned under convex arc surface, the cooperation of lower positioning inclined-plane with lower respectively
Clamp concaved circular cambered surface, lower clamping ramps.
Further improvement as above-mentioned technical proposal：
Projection of the upper positioning convex arc surface with lower positioning convex arc surface in the horizontal plane is misaligned.
The radius of the upper positioning convex arc surface is Ra, and the radius of the lower positioning convex arc surface is Rc, 0.5≤Ra=Rc
≤ 1.5, the radius of the upper clamping concaved circular cambered surface be Rh, and the lower radius for clamping concaved circular cambered surface is Re, 0.3≤Re=Rh≤
1.3, and Re=Rh ＜ Ra.
Angle between the upper positioning inclined-plane and horizontal plane is α, 5 °≤α≤10 °.
Angle between the lower positioning inclined-plane and horizontal plane is β, 5 °≤β≤10 °, α=β.
The angle of the upper clamping ramps and horizontal plane is γ, γ ＜ α, and 4.5 °≤γ≤9.5 °.
The angle of the lower clamping ramps and horizontal plane is δ, δ ＜ β, and 4.5 °≤δ≤9.5 °, γ=δ.
Seamlessly transitted between the upper positioning convex arc surface and upper positioning inclined-plane by upper connection arc surface, the lower positioning
Seamlessly transitted between convex arc surface and lower positioning inclined-plane by lower connection arc surface.
The upper locating surface and lower locating surface are centrosymmetric structure.
A kind of cutting tool for groove processing, including cutting tip and cutter holder, the cutting tip have upper locating surface
With lower locating surface, the upper locating surface, which includes upper positioning concaved circular cambered surface and upper positioning inclined-plane, the lower locating surface, includes lower positioning
Concaved circular cambered surface and lower positioning inclined-plane, the cutter holder have the holding tank for clamping the cutting tip, and the holding tank has upper folder
Face and lower clamping face are held, the upper clamping face coordinates upper with respectively with the upper positioning concaved circular cambered surface, upper positioning tilt face
Convex arc surface, upper clamping ramps are clamped, the lower clamping face has what is coordinated respectively with lower positioning concaved circular cambered surface, lower positioning inclined-plane
Lower clamping convex arc surface, lower clamping ramps.
Compared with prior art, the utility model has the advantage of：
（1）Cutting tool of the present utility model for groove processing, due to upper positioning convex arc surface and lower clamping concave arc
Face is male-female engagement, moving left and right when limiting cutting tip processing, the inclined-plane between upper positioning inclined-plane and upper clamping ramps
Coordinate, limit rotation during cutting tip processing, positioned it is achieved thereby that crossing, ensure that cutting tip positioning is reliable, ensure axle
To feed and the stabilization of radial feed.
（2）Cutting tool of the present utility model for groove processing, upper positioning convex arc surface exist with lower positioning convex arc surface
Projection in horizontal plane is misaligned, and the horizontal mid-plane of cutting tip is N, i.e., upper positioning convex arc surface and lower positioning convex arc surface
It is N asymmetric on horizontal mid-plane, ensure that the even intensity of cutting tip, will not occur caused by local strength's deficiency
Breakage, thus blade strength is high, service life length.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of the utility model.
Fig. 2 is the dimensional structure diagram of cutting tip in the utility model the first embodiment.
Fig. 3 is the front view of cutting tip in the utility model the first embodiment.
Fig. 4 is the side view of cutting tip in the utility model the first embodiment.
Fig. 5 is the structural representation of holding tank in the utility model the first embodiment.
Fig. 6 is the machining sketch chart of holding tank in the utility model the first embodiment.
Fig. 7 is cutting tip undamped state schematic diagram in the utility model the first embodiment.
Fig. 8 is cutting tip clamped condition schematic diagram in the utility model the first embodiment.
Fig. 9 is the side view of cutting tip in second of embodiment of the utility model.
Each label represents in figure：
100th, cutting tip；110th, upper locating surface；112nd, upper positioning convex arc surface；113rd, upper positioning inclined-plane；114th, first
Upper connection arc surface；120th, lower locating surface；121st, lower positioning convex arc surface；122nd, lower positioning inclined-plane；123rd, first time connection circle
Cambered surface；200th, cutter holder；210th, upper holder block；220th, body；230th, neck；240th, elastic gap；250th, trip bolt；260th, it is spacing
Face；300th, holding tank；310th, upper clamping face；311st, upper clamping concaved circular cambered surface；312nd, upper clamping ramps；313rd, circle is connected on second
Cambered surface；320th, lower clamping face；321st, lower clamping concaved circular cambered surface；322nd, lower clamping ramps；323rd, second time connection arc surface；500、
Profile milling cutter.
Embodiment
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Fig. 1 to Fig. 8 shows that the utility model is used for the first embodiment of the cutting tool of groove processing, and this is used for groove and added
The cutting tool of work includes cutting tip 100 and cutter holder 200, and cutting tip 100 has upper locating surface 110 and lower locating surface 120,
Upper locating surface 110 includes upper positioning convex arc surface 112 and upper positioning inclined-plane 113, and lower locating surface 120 includes lower positioning convex arc surface
121 and lower positioning inclined-plane 122, cutter holder 200 there is the holding tank 300 for clamping cutting tip 100, holding tank 300 has upper clamping
Face 310 and lower clamping face 320, upper clamping face 310 have what is coordinated respectively with upper positioning convex arc surface 112, upper positioning inclined-plane 113
Upper clamping concaved circular cambered surface 311, upper clamping ramps 312, lower clamping face 320 has positions convex arc surface 121, lower positioning with lower respectively
Lower clamping concaved circular cambered surface 321, the lower clamping ramps 322 of the cooperation of inclined-plane 122.During installation, cutting tip 100 is placed in holding tank
In 300, upper locating surface 110 coordinates with upper clamping face 310, and lower locating surface 120 coordinates with lower clamping face 320, compression clamping groove
300, cutting tip 100 is locked on cutter holder 200.Because upper positioning convex arc surface 112 and lower clamping concaved circular cambered surface 321 are recessed
Convex cooperation, moving left and right when cutting tip 100 is processed is limited, it is oblique between upper positioning inclined-plane 113 and upper clamping ramps 312
Face coordinates, and limits rotation when cutting tip 100 is processed, is positioned it is achieved thereby that crossing, and ensures that the positioning of cutting tip 100 can
Lean on, ensure the stabilization of axial feed and radial feed.
In the present embodiment, cutter holder 200 has upper holder block 210 and body 220, and upper holder block 210 passes through neck 230 and body
220 connections, flexible gap 240, trip bolt 250 sequentially pass through upper holder block 210, bullet between upper holder block 210 and body 220
Property gap 240 is connected with body 220, and upper holder block 210 is locked with body 220, realizes the clamping of cutting tip 100, body 220
Provided with confined planes 260, confined planes 260 offset with cutting tip 100.
In the present embodiment, projection of the upper positioning convex arc surface 112 with lower positioning convex arc surface 121 in the horizontal plane does not weigh
Close.The vertical midplane of cutting tip 100 is M, horizontal mid-plane N, i.e., upper positioning convex arc surface 112 and lower convex circular arc
Face 121 is N asymmetric on horizontal mid-plane, ensure that the even intensity of cutting tip 100, will not occur because of local strength not
It is damaged caused by foot, thus blade strength is high, service life length.
In the present embodiment, upper locating surface 110 and lower locating surface 120 are centrosymmetric structure.Locating surface 120 is descended by upper fixed
Plane 110 obtains by horizontal mid-plane N mirror images, then with vertical midplane M mirror images.Similarly upper clamping face 310 and lower clamping face
320 also centered on symmetrical structure（Secondary mirror is to acquisition）.It can be adopted during the cutter holder 200 for thus making the cutting tip 100 of groove processing
Cutter groove is processed with a profile milling cutter 500, cutter holder 200 makes simpler.Fig. 8 is that the processing of holding tank 300 on cutter holder 200 is shown
It is intended to, upper clamping face 310 and lower clamping face 320 can machine profile milling cutter 500 using one, using profile milling cutter 500
Different cutting edges can process clamping face 310 and lower clamping face 320 respectively, effectively solve adding for asymmetric cutter groove
Work problem.
In the present embodiment, during in order to ensure cutting, caused by the thrust of trip bolt 250 compresses to cutting tip 100
Axial compressive force is enough, below to cutting tip the convex arc surface size of locating surface and angle and holding tank on inclined-plane about 100
The concaved circular cambered surface size of about 300 clamping faces and the angle on inclined-plane are defined.
First, in the present embodiment, the radius of upper positioning convex arc surface 112 is Ra, the radius of lower positioning convex arc surface 121
For Rc, 0.5≤Ra=Rc≤1.5, the radius of upper clamping concaved circular cambered surface 311 is Rh, and the radius of lower clamping concaved circular cambered surface 321 is Re,
0.3≤Re=Rh≤1.3, and Re=Rh ＜ Ra.Angle between upper positioning inclined-plane 113 and horizontal plane is α, 5 °≤α≤10 °.Under
Angle between positioning inclined-plane 122 and horizontal plane is β, 5 °≤β≤10 °.The angle of upper clamping ramps 312 and horizontal plane is γ,
γ ＜ α, and 4.5 °≤γ≤9.5 °, α=β.The angle of lower clamping ramps 322 and horizontal plane be δ, β ＜ α, and 4.5 °≤δ≤
9.5 °, γ=δ.Specifically, in the present embodiment, Ra=Rc=1.0, Re=Rh=0.9, i.e., convex arc surface 112 or lower convex are above positioned
The radius of arc surface 121 is smaller.Specifically, in the present embodiment, α=β=7 °, γ=δ=6.5 °, upper positioning inclined-plane 113 or lower positioning
Inclined-plane 122, angle of inclination are more than upper clamping ramps 312 or lower clamping ramps 322, also, the upper positioning relative level of inclined-plane 113
It is inclined upwardly, the lower positioning relative level of inclined-plane 122 tilts down.In addition, the vertical height of Ra arc surface is H1, Rc circle
The vertical height of cambered surface is H2, meets 0.2≤H1=H2≤0.6, the horizontal length on upper positioning inclined-plane 113 is L1, lower positioning inclined-plane
122 horizontal length is L2, meets 0.9≤L1=L2≤1.9.
Secondly, in the present embodiment, justified between upper positioning convex arc surface 112 and upper positioning inclined-plane 113 by connecting on first
Cambered surface 114 seamlessly transits, flat by first time connection arc surface 123 between lower positioning convex arc surface 121 and lower positioning inclined-plane 122
Slip over and cross.The radius that arc surface 114 is connected on first is Rb, and the radius of first time connection arc surface 123 is Rd, is connected on first
Arc surface 114 is equal with first time connection arc surface 123 and radius, and this circular arc is technique circular arc, meets 0.2≤Rb of relation=Rd
≤ 0.5, seamlessly transitted between lower clamping concaved circular cambered surface 321 and lower clamping ramps 322 by second time connection arc surface 323, on
Seamlessly transitted, connected by connection arc surface 313 on second between clamping concaved circular cambered surface 311 and upper clamping ramps 312 for second time
The radius of arc surface 323 is Rf, and the radius that arc surface 313 is connected on second is Ri, meets 0.4≤Ri=Rf≤0.7, specifically,
In the present embodiment, Rb=Rd=0.3, Ri=Rf=0.5.
Finally, Fig. 7 is that cutting tip 100 is installed in holding tank 300 in the state of not clamping（Fastening is not installed
Screw 250）Cutting tip 100 and the contact position schematic diagram of cutter holder 200.During the state, the dome arc of blade and the recessed circle of knife bar
Arc is contacted, and circular arc each side has a contact point P1, and the outside that blade is faced directly is connect with knife bar correspondence position
Touch, be linear contact lay Q.Fig. 8 is that cutting tip 100 is installed in holding tank 300 under clamped condition（Trip bolt 250 is installed）
Cutting tip 100 and the contact position schematic diagram of cutter holder 200, in the state, due to the effect of trip bolt 250, cutting tip 100
What is carried out with holding tank 300 is rigid grasp, and the left and right sides of blade dome arc each side has one with cutter holder concave arc
Individual contact point P2, the inclined-plane of blade are bonded completely with the inclined-plane of cutter holder（Face is bonded K）, ensure that clamping is reliable.That is, to each
The design of concavo-convex arc surface size, the angle on each inclined-plane, when blade carries out horizontal turning, clamping face corresponding to holding tank 300
Due to the effect of stress deformation, compressed with the left and right sides of locating surface circular arc above and below blade and inclined-plane, it is ensured that blade is adding
Stability during work.
Fig. 9 shows that the utility model is used for second of embodiment of the cutting tool of groove processing.The present embodiment and first
Kind embodiment is essentially identical, the difference is that only：In the present embodiment, the upper positioning relative level of inclined-plane 113 tilts down, under
The positioning relative level of inclined-plane 122 is inclined upwardly, α=β=7 °, γ=δ=6.5 °.
In concrete application example, it is also possible that cutting tip 100 has a upper positioning concaved circular cambered surface, determine under one
Position concaved circular cambered surface, or cutting tip 100 have a upper positioning concaved circular cambered surface, and convex arc surface, or cutting are positioned under one
Blade 100 has a upper positioning convex arc surface, and concaved circular cambered surface is positioned under one.
Although the utility model is disclosed above with preferred embodiment, but it is not limited to the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model scope, all using the disclosure above
Technology contents technical solutions of the utility model are made with many possible changes and modifications, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to real above
Any simple modifications, equivalents, and modifications that example is done are applied, all should be fallen in the range of technical solutions of the utility model protection.
Claims (10)
1. a kind of cutting tool for groove processing, including cutting tip（100）And cutter holder（200）, the cutting tip（100）
With upper locating surface（110）With lower locating surface（120）, the upper locating surface（110）Including upper positioning convex arc surface（112）With it is upper
Position inclined-plane（113）, the lower locating surface（120）Including lower positioning convex arc surface（121）With lower positioning inclined-plane（122）, it is described
Cutter holder（200）With the clamping cutting tip（100）Holding tank（300）, the holding tank（300）With upper clamping face
（310）With lower clamping face（320）, the upper clamping face（310）With respectively with the upper positioning convex arc surface（112）, it is upper fixed
Position inclined-plane（113）The upper clamping concaved circular cambered surface coordinated（311）, upper clamping ramps（312）, the lower clamping face（320）With point
Not with lower positioning convex arc surface（121）, lower positioning inclined-plane（122）The lower clamping concaved circular cambered surface coordinated（321）, lower clamping ramps
（322）.
2. the cutting tool according to claim 1 for groove processing, it is characterised in that：The upper positioning convex arc surface
（112）With lower positioning convex arc surface（121）Projection in the horizontal plane is misaligned.
3. the cutting tool according to claim 1 for groove processing, it is characterised in that：The upper positioning convex arc surface
（112）Radius be Ra, the lower positioning convex arc surface（121）Radius be Rc, 0.5≤Ra=Rc≤1.5, the upper clamping
Concaved circular cambered surface（311）Radius be Rh, the lower clamping concaved circular cambered surface（321）Radius be Re, 0.3≤Re=Rh≤1.3, and
Re=Rh ＜ Ra.
4. the cutting tool according to claim 1 for groove processing, it is characterised in that：The upper positioning inclined-plane（113）
Angle between horizontal plane is α, 5 °≤α≤10 °.
5. the cutting tool according to claim 4 for groove processing, it is characterised in that：The lower positioning inclined-plane（122）
Angle between horizontal plane is β, 5 °≤β≤10 °, α=β.
6. the cutting tool according to claim 5 for groove processing, it is characterised in that：The upper clamping ramps（312）
Angle with horizontal plane is γ, γ ＜ α, and 4.5 °≤γ≤9.5 °.
7. the cutting tool according to claim 6 for groove processing, it is characterised in that：The lower clamping ramps（322）
Angle with horizontal plane is δ, δ ＜ β, and 4.5 °≤δ≤9.5 °, γ=δ.
8. the cutting tool for groove processing according to claim 1 to 7 any one, it is characterised in that：It is described fixed
Position convex arc surface（112）With upper positioning inclined-plane（113）Between by connecting arc surface on first（114）Seamlessly transit, under described
Position convex arc surface（121）With lower positioning inclined-plane（122）Between pass through first time connection arc surface（123）Seamlessly transit.
9. the cutting tool for groove processing according to claim 1 to 7 any one, it is characterised in that：It is described fixed
Plane（110）With lower locating surface（120）Be centrosymmetric structure.
10. a kind of cutting tool for groove processing, including cutting tip（100）And cutter holder（200）, the cutting tip
（100）With upper locating surface（110）With lower locating surface（120）, the upper locating surface（110）Including upper positioning concaved circular cambered surface and upper
Position inclined-plane, the lower locating surface（120）Including lower positioning concaved circular cambered surface and lower positioning inclined-plane, the cutter holder（200）With folder
The tight cutting tip（100）Holding tank（300）, the holding tank（300）With upper clamping face（310）With lower clamping face
（320）, the upper clamping face（310）It is convex with the upper clamping coordinated respectively with the upper positioning concaved circular cambered surface, upper positioning inclined-plane
Arc surface, upper clamping ramps, the lower clamping face（320）With what is coordinated respectively with lower positioning concaved circular cambered surface, lower positioning inclined-plane
Lower clamping convex arc surface, lower clamping ramps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720772813.1U CN206952190U (en) | 2017-06-29 | 2017-06-29 | A kind of cutting tool for groove processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720772813.1U CN206952190U (en) | 2017-06-29 | 2017-06-29 | A kind of cutting tool for groove processing |
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| Publication Number | Publication Date |
|---|---|
| CN206952190U true CN206952190U (en) | 2018-02-02 |
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ID=61384845
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720772813.1U Active CN206952190U (en) | 2017-06-29 | 2017-06-29 | A kind of cutting tool for groove processing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644644A (en) * | 2020-05-18 | 2020-09-11 | 成都戴梦迪超硬工具有限责任公司 | Toothed structure cutter capable of being rapidly clamped and repeatedly polished |
| CN113474109A (en) * | 2019-02-26 | 2021-10-01 | 京瓷株式会社 | Cutting insert, cutting tool, and method for manufacturing cut product |
| CN113518679A (en) * | 2019-03-13 | 2021-10-19 | 京瓷株式会社 | Cutting insert, cutting tool, and method for manufacturing cut product |
| CN114406305A (en) * | 2022-01-18 | 2022-04-29 | 厦门金鹭特种合金有限公司 | Cutting tool |
-
2017
- 2017-06-29 CN CN201720772813.1U patent/CN206952190U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113474109A (en) * | 2019-02-26 | 2021-10-01 | 京瓷株式会社 | Cutting insert, cutting tool, and method for manufacturing cut product |
| CN113474109B (en) * | 2019-02-26 | 2023-12-19 | 京瓷株式会社 | Cutting insert, cutting tool, and method for manufacturing cut product |
| CN113518679A (en) * | 2019-03-13 | 2021-10-19 | 京瓷株式会社 | Cutting insert, cutting tool, and method for manufacturing cut product |
| CN113518679B (en) * | 2019-03-13 | 2023-12-22 | 京瓷株式会社 | Cutting insert, cutting tool, and method for manufacturing cut product |
| CN111644644A (en) * | 2020-05-18 | 2020-09-11 | 成都戴梦迪超硬工具有限责任公司 | Toothed structure cutter capable of being rapidly clamped and repeatedly polished |
| CN114406305A (en) * | 2022-01-18 | 2022-04-29 | 厦门金鹭特种合金有限公司 | Cutting tool |
| CN114406305B (en) * | 2022-01-18 | 2023-07-07 | 厦门金鹭特种合金有限公司 | Cutting tool |
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