CN204524299U - Bimetallic cuts special cutter grain and cutter thereof - Google Patents
Bimetallic cuts special cutter grain and cutter thereof Download PDFInfo
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- CN204524299U CN204524299U CN201520161111.0U CN201520161111U CN204524299U CN 204524299 U CN204524299 U CN 204524299U CN 201520161111 U CN201520161111 U CN 201520161111U CN 204524299 U CN204524299 U CN 204524299U
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Abstract
The utility model relates to the technical field of cutting tool, disclose a kind of bimetallic and cut special cutter grain and cutter thereof, this bimetallic cuts special cutter grain and comprises matrix and be fixed on the cutting edge main body on matrix, cutting edge main body have rake face and rear knife face, the angle of rake face and vertical basal plane is 0-20 °, and the angle of rear knife face and horizontal basal plane is 3-18 °; Be provided with chamfered edge face between rake face and rear knife face, the width in chamfered edge face is 0.03-0.15mm, and the absolute value of the angle of chamfered edge face and vertical basal plane is 1-15 °; Fillet surface is provided with between chamfered edge face and rear knife face.The utility model embodiment is by carrying out special structure and parameter design to cutting edge main body, cutting edge main body intensity is enhanced, meanwhile, its sharpness also gets a promotion, and so takes into account intensity and sharpness, thus efficiently solve the unmanageable problem of POWDER METALLURGY ALUMINIUM ALLOYS bimetallic material, meanwhile, also extend service life, reduce production cost, improve working (machining) efficiency, improve crudy.
Description
Technical field
The utility model relates to the technical field of cutting tool, particularly relates to a kind of bimetallic and cuts special cutter grain and cutter thereof.
Background technology
At present, in auto parts and components, the bimetallic material that the material of part is made up of powder metallurgy and aluminium alloy, and in this type of part, hole machined class is many especially.The complexity of part product and the raising of required precision, have higher requirement to the cutter used.
Be greater than in the fine finishining of 25mm at the bimetallic auto parts and components bore dia of POWDER METALLURGY ALUMINIUM ALLOYS, based on the cutter of the carbide chip or integral solder superhard material that adopt superhard coating.But, the property difference of powder metallurgy and aluminium alloy bi-material is very large, wherein, aluminium alloy is a kind of soft material, belong to and easily cut material type, if cutter roughness and sharpness poor, add and will occur glutinous cutter phenomenon man-hour, and powder metallurgy belongs to hard material, it processes the cutter grain needing intensity larger, so, just causes a kind of contradiction, namely the cutter grain cut aluminum alloy is applicable to, should not powder metallurgy be cut, otherwise, be applicable to the cutter grain cutting powder metallurgy, should not cut aluminum alloy, make processing powder metallurgy aluminum alloy dual-metal material be called a processing difficulties.
Utility model content
The purpose of this utility model is to provide a kind of bimetallic to cut special cutter grain and cutter thereof, and be intended to solve in prior art, common cutter grain cannot take into account the problem of intensity and sharpness simultaneously.
The utility model provides a kind of bimetallic and cuts special cutter grain, this bimetallic cuts special cutter grain and comprises matrix and be fixed on the cutting edge main body on matrix, cutting edge main body have rake face and rear knife face, the angle of this rake face and vertical basal plane is 0-20 °, and the angle of this rear knife face and horizontal basal plane is 3-18 °; Be provided with chamfered edge face between this rake face and this rear knife face, the width in this chamfered edge face is 0.03-0.15mm, and the absolute value of the angle of this chamfered edge face and this vertical basal plane is 1-15 °; Fillet surface is provided with between this chamfered edge face and this rear knife face.
Preferably, described rake face is provided with to break cuts platform, and described disconnected platform of cutting is for carrying out disconnected cutting during machining.
Preferably, described fillet surface is rounded corner face, and the chamfer radius in described rounded corner face is 0.01-0.06mm.
Preferably, described matrix is hard alloy piece, and described cutting edge main body is CBN part.
Preferably, described cutting edge main body and described matrix form one by vacuum welding.
Preferably, the angle of described rake face and vertical basal plane is 10 °.
Preferably, the angle of described rear knife face and horizontal basal plane is 7 °.
Preferably, the width in described chamfered edge face is 0.08mm.
Preferably, the absolute value of the angle of described chamfered edge face and described vertical basal plane is 5 °.
The utility model additionally provides a kind of cutter, comprise handle of a knife, detachably be installed on the cutter head of this handle of a knife one end, and be arranged at this handle of a knife one end and for regulating the micro-adjusting mechanism of this cutter head position, this cutter also comprises above-mentioned bimetallic and cuts special cutter grain, and this bimetallic cuts special cutter grain and this cutter head removably connects.
Based on technique scheme, the utility model embodiment by arranging the chamfered edge face that width is 0.03-0.15mm between the rake face and rear knife face of cutting edge main body, and the angle of chamfered edge face and vertical basal plane is set to absolute value 1-15 °, fillet surface is set between chamfered edge face and rear knife face simultaneously, thus adds the intensity of cutting edge main body; Meanwhile, by the angle of the rake face of cutting edge main body and vertical basal plane is set to 0-20 °, thus the sharpness of cutting edge main body is added; In addition, by the rear knife face of cutting edge main body and the angle of horizontal basal plane are set to 3-18 °, like this, while guarantee cutting edge main body intensity, this rear knife face is interfered adding to avoid man-hour with product face; As mentioned above, by carrying out special design of Structural Parameters to cutting edge main body, this cutting edge main body intensity is enhanced, simultaneously, its sharpness also gets a promotion, and so takes into account intensity and sharpness, thus solves the unmanageable problem of POWDER METALLURGY ALUMINIUM ALLOYS bimetallic material.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the bimetallic cutting special cutter grain that the utility model embodiment proposes;
Fig. 2 is the side-looking structural representation of the bimetallic cutting special cutter grain that the utility model embodiment proposes;
Fig. 3 is the generalized section that in Fig. 1, N-N is tangential;
Fig. 4 is the enlarged diagram of part A in Fig. 3;
Fig. 5 is the enlarged diagram of part B in Fig. 4;
Fig. 6 is the structural representation of the work piece in the utility model embodiment;
Fig. 7 is the structural representation of the cutter that the utility model embodiment proposes.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 7, the utility model embodiment proposes a kind of bimetallic and cuts special cutter grain, and the bimetallic material that this bimetallic cutting special cutter grain may be used for hard metal and soft metal are combined to form carries out disposable machining.As mentioned below, by the bimetallic material formed by powder metallurgy and aluminum alloy combination for machining, special cutter grain is cut to this bimetallic and is explained in detail and illustrates.
With reference to Fig. 6, work piece 7 is made up of powdered metallurgical material 71 and pack alloy 72, and powdered metallurgical material 71 hardness is 30HRC, but uniform a lot of Hard Inclusion in this material, hardness reaches 60HRC, due to the existence of these Hard Inclusion, proposes requirements at the higher level to the intensity of cutter and durability; Pack alloy 72 is a kind of soft materials, belong to and easily cut material type, if cutter roughness and sharpness poor, add and will occur glutinous cutter man-hour, be present in the same hole of work piece 7 at the bimetallic that these two kinds of characteristics are different, the roughness in whole hole and dimensional requirement are all very high, and blade needs to take into account sharpness and intensity.
As shown in Figures 1 to 6, the bimetallic that the utility model embodiment proposes cuts special cutter grain 1, and it comprises matrix 11 and cutting edge main body 12, herein, this matrix 11 offers an installation position (attached not shown in FIG.), cutting edge main body 12 is fixedly mounted on this installation position of matrix 11.Particularly, this cutting edge main body 12 has rake face 121 and rear knife face 124, wherein, rake face 121 has angle with the crossing shape of vertical basal plane Y, this angle is called blade hook angle α, and this blade hook angle α is 0-20 °, so, by arranging the blade hook angle α of 0-20 ° between rake face 121 and vertical basal plane Y, the sharpness of cutting edge main body 12 is effectively increased, in addition, rear knife face 124 is crossing with horizontal basal plane X is formed with another angle, this angle is called blade relief β, this blade relief β is 3-18 °, so, by arranging the blade relief β of 3-18 ° between rear knife face 124 and horizontal basal plane X, while guarantee cutting edge main body 12 intensity, knife face 124 is thereafter made to avoid man-hour interfering with product face adding, improve crudy, herein, horizontal basal plane X is parallel to horizontal plane, vertical basal plane Y is parallel to vertical plane, and namely horizontal basal plane X is mutually vertical with vertical basal plane Y, simultaneously, a chamfered edge face 122 is provided with between rake face 121 and rear knife face 124, the width in this chamfered edge face 122 is 0.03-0.15mm, and, this chamfered edge face 122 is formed with an angle with vertical basal plane Y is also crossing, this angle is called chamfer angle θ, the absolute value of this chamfer angle θ is 1-15 °, herein, this chamfer angle θ is preferably-15 ° to-1 °, here, negative sign represents clockwise (as shown in Figure 5, take counter clockwise direction as positive direction, i.e. positive-angle, be in the other direction in a clockwise direction, i.e. negative angle), so, by arranging chamfer angle θ be-15 ° to-1 ° between rake face 121 and rear knife face 124 and width being the chamfered edge face 122 of 0.03-0.15mm, the intensity of this cutting edge main body 12 is effectively strengthened, in addition, a fillet surface 123 is also provided with between chamfered edge face 122 and rear knife face 124, chamfered edge face 122 is transitioned into rear knife face 124 by fillet surface 123, like this, rake face 121, chamfered edge face 122, fillet surface 123 and rear knife face 124 have been in turn connected to form an even surface, so, by arranging a fillet surface 123 between chamfered edge face 122 and rear knife face 124, the intensity of this cutting edge main body 12 is further enhanced.
Adopt above-mentioned bimetallic to cut special cutter grain and carry out bimetallic machining, there is following features:
The utility model embodiment by arranging the chamfered edge face 122 that a width is 0.03-0.15mm between the rake face 121 and rear knife face 124 of cutting edge main body 12, and this chamfered edge face 122 and the angle (i.e. chamfer angle θ) vertically between basal plane Y are set to absolute value-15 ° to-1 °, a fillet surface 123 is set between this chamfered edge face 122 and rear knife face 124 simultaneously, like this, the intensity of cutting edge main body 12 is made effectively to be strengthened; Meanwhile, by the rake face 121 of cutting edge main body 12 is set to 0-20 ° with the angle (i.e. blade hook angle α) of vertical basal plane Y, the sharpness of this cutting edge main body 12 is effectively increased; In addition, by the rear knife face 124 of this cutting edge main body 12 is set to 3-18 ° with the angle (i.e. blade relief β) of horizontal basal plane X, like this, while this cutting edge main body 12 intensity of guarantee, knife face 124 is thereafter made to avoid man-hour interfering with product face adding; Generally speaking, by carrying out above-mentioned special design of Structural Parameters to cutting edge main body 12, the intensity of this cutting edge main body 12 is effectively strengthened, simultaneously, its sharpness is also promoted further, so take into account intensity and sharpness, thus solve the problem that regular knife grain cannot take into account intensity and sharpness simultaneously, thus solve the unmanageable problem of POWDER METALLURGY ALUMINIUM ALLOYS bimetallic material.
In the utility model embodiment, above-mentioned rake face 121 is provided with to break cuts platform 125, and this disconnected platform 125 of cutting is for carrying out disconnected cutting during machining.Like this, cutting platform 125 by arranging to break on rake face 121, making when machining, especially during fine finishining, disconnected platform 125 of cutting can chip breaking effectively, avoids iron filings and is wound around and processing conditions is worsened and destroys machined surface, thus improve working (machining) efficiency and crudy.Certainly, according to actual conditions and demand, in other embodiment of the present utility model, other chip breaking measure also can be taked.
In the utility model embodiment, above-mentioned fillet surface 123 is preferably rounded corner face, and the chamfer radius R scope in this rounded corner face is 0.01-0.06mm, and herein, chamfer radius R is preferably 0.03mm.Here, this fillet surface 123 is set to rounded corner face, namely carries out fillet Passivation Treatment, its object is also the intensity in order to increase above-mentioned cutting edge main body 12.According to actual conditions and demand, in other embodiment of the present utility model, chamfer radius R also can get other values, does not do unique restriction herein.
In the utility model embodiment, above-mentioned matrix 11 is preferably hard alloy piece, namely this matrix 11 is preferably Hardmetal materials making, in addition, above-mentioned cutting edge main body 12 is preferably CBN part, and namely this cutting edge main body 12 is preferably the making of CBN material, herein, CBN, i.e. Cubic Boron Nitride, cubic boron nitride.Due to the shaping difficulty processing of CBN material, successively, the rake face 121 adopting the cutting edge main body 12 of CBN material is a plane, in order to overcome the shortcoming of the difficult chip breaking of CBN, the mode that the present embodiment have employed minute surface galvanic corrosion processing processes the blade hook angle α of above-mentioned 0-20 ° on the rake face 121 of cutting edge main body 12, and with above-mentioned disconnected closed-loop 126 of cutting platform 125 (as shown in Figure 1, this closed-loop 126 belongs to a part for chip breaker 125, and disconnected cut platform 125 and closed-loop 126 is all protruding boss), so both add the sharpness of cutting edge main body 12, again can chip breaking, improve working ability, improve crudy.Certainly, according to actual conditions and demand, in other embodiment of the present utility model, other chip breaking measure also can be taked.
In the utility model embodiment, due to the high and shaping difficulty of CBN cost, therefore, above-mentioned bimetallic cuts the combining form that special cutter grain have employed matrix 11 and cutting edge main body 12, wherein, matrix 11 selects the good carbide alloy of strength rigid, cutting edge main body 12 selects CBN material, and both are connected in one by vacuum welding technology, both reduce cost like this, give full play to again the superiority of CBN, improve cost performance.Certainly, according to actual conditions and demand, in other embodiment of the utility model, matrix 11 and cutting edge main body 12 also can select other material, and both also can be connected in one in other way.
Preferably, in the utility model embodiment, above-mentioned rake face 121 is preferably 10 ° with the angle of above-mentioned vertical basal plane Y, namely blade hook angle α is preferably 10 °, under the prerequisite ensureing cutting edge main body 12 intensity, 10 ° for blade hook angle α be optimal angle select, now, cutting edge main body 12 possesses excellent sharpness, certainly, according to actual conditions and demand, in other embodiment of the present utility model, above-mentioned rake face 121 also can be other angles with the angle of above-mentioned vertical basal plane Y, namely blade hook angle α also can be other angles, do not do unique restriction herein.
Preferably, in the utility model embodiment, above-mentioned rear knife face 124 is preferably 7 ° with the angle of above-mentioned horizontal basal plane X, namely blade relief β is preferably 7 °, while guarantee cutting edge main body 12 intensity, by blade relief β is preferably 7 °, rear knife face 124 is made to add the interference avoided man-hour with product face, thus improve crudy, certainly, according to actual conditions and demand, in other embodiment of the present utility model, above-mentioned rear knife face 124 also can be other angles with the angle of above-mentioned horizontal basal plane X, namely blade relief β also can be other angles, do not do unique restriction herein.
Preferably, in the utility model embodiment, the width in above-mentioned chamfered edge face 122 is preferably 0.08mm.While above-mentioned cutting edge main body 12 sharpness of guarantee, in order to ensure that the intensity of this cutting edge main body 12,0.08mm is the optimal width in chamfered edge face 122, certainly, according to actual conditions and demand, in other embodiment of the present utility model, chamfered edge face 122 width also can choose other numerical value between 0.03-0.15mm, does not do unique restriction herein.
Preferably, in the utility model embodiment, above-mentioned chamfered edge face 122 is preferably 5 ° with the absolute value of the angle of above-mentioned vertical basal plane Y, and that is, the absolute value of chamfer angle θ is preferably 5 °, and herein, chamfer angle θ is-5 °, and this negative sign represents clockwise.Elect chamfer angle θ as-5 °, take into account intensity and the sharpness of cutting edge main body 12, certainly, according to actual conditions and demand, in other embodiment of the present utility model, other values also can be chosen with the angle of vertical basal plane Y in chamfered edge face 122, do not do unique restriction herein.
In the utility model embodiment, the significant points that above-mentioned bimetallic cuts special cutter grain is all adopt the processing of digital cuttings special purpose grinder, by disposable clamping, all to be processed is all processed.Herein, the critical surfaces that this bimetallic cuts the cutting edge main body 12 of special cutter grain needs to reach down mirror effect, such as its chamfered edge face 122 and fillet surface 123, ensure that the object of cutting edge (i.e. aforesaid critical surfaces) mirror effect is to improve the roughness of processed piece bores, prevents the service life of glutinous cutter and raising blade.
As shown in Figures 1 to 7, the utility model embodiment also proposed a kind of cutter, this cutter comprises handle of a knife 2, cutter head 3, micro-adjusting mechanism 4 and above-mentioned bimetallic cut special cutter grain 1, wherein, bimetallic cuts special cutter grain 1 and is detachably fixedly mounted on cutter head 3 by securing member, herein, the matrix 11 of bimetallic cutting special cutter grain 1 offers locking hole 110, matrix 11 and cutter head 3 are fastenedly connected through after this locking hole 110 by securing member, this cutter head 3 is detachably arranged on one end of this handle of a knife 2 by cutter head lock screw 6, micro-adjusting mechanism 4 is also arranged on this end of handle of a knife 2, and this micro-adjusting mechanism 4 is connected with cutter head 3 and coordinates, this micro-adjusting mechanism 4 is for finely tuning the position of cutter head 3, the fine adjustment screw 42 that this micro-adjusting mechanism 4 comprises fine setting lock screw 41 and coordinates with this fine setting lock screw 41, in addition, because machined material is bimetallic material, its difficulty of processing is large, and the heat in metal cutting adding man-hour is very large, in order to improve processing environment, interior cold hole 5 is offered in handle of a knife 2, adding man-hour, in interior cold hole 5, injecting high-pressure coolant, iron filings and a large amount of heat in metal cutting can be taken away fast by high-pressure coolant, thus improve processing environment, improve crudy.
Based on technique scheme, the cutter that the utility model embodiment proposes cuts special cutter grain 1 by arranging the bimetallic taking into account intensity and sharpness on its cutter head 3, not only overcome this technical problem of POWDER METALLURGY ALUMINIUM ALLOYS bimetallic material difficulty processing, simultaneously, also improve cutting-tool's used life, reduce the use cost of cutter, improve crudy.
In the utility model embodiment, before use, first, by above-mentioned cutter head 3, cutter head lock screw 6, fine setting lock screw 41 and fine adjustment screw 42 are assembled on handle of a knife 2, then, handle of a knife 2 is put on tool setting gauge, bimetallic is cut special cutter grain 1 to load on cutter head 3 and to lock, unclamp cutter head lock screw 6, mobile cutter head 3, coarse adjustment is to approximate dimensions (coarse adjustment range is: Φ 70 ~ 90mm), locking cutter head lock screw 6, then fine setting lock screw 41 is unclamped, (this fine adjustment screw 42 adjustable range is 0 ~ 1mm to regulate fine adjustment screw 42, degree of regulation is 0.002mm) to the size being transferred to needs, locking fine setting lock screw 41, again by the handle of a knife 2 adjusted and machine tool chief axis exact connect ion, trial cut is carried out again after connection, according to the processed hole dimension of actual measurement, regulate micro-adjusting mechanism 4 until process qualified hole.
In the utility model embodiment, above-mentioned handle of a knife 2 selects carburizing steel 20CrMoTi material, and adopts carburizing and quenching, and the case hardness after quenching is 60 ~ 62HRC, and hard formation thickness is 0.8 ~ 1.5mm; Core hardness is 20 ~ 25HRC.Handle of a knife 2 after such process takes into account intensity and toughness.As excellent fine finishining handle, not only will have high accuracy, but also need good stability, that is, handle of a knife 2 normally uses more than 1 year, and the precision of handle of a knife 2 can in the change of allowed band.The process of general short time does not reach this requirement, and draw through repeating test, by the subzero treatment of gas nitrogen after 10 ~ 12 hours, machining stress is fully discharged, more stable through crystal phase analysis institutional framework, and handle of a knife rust-proof effect after cold treatment is good.
Above-mentioned cutter head 3 selects steel alloy 42CrMo material, and quenching hardness is 40 ~ 42HRC, adds and need pay special attention to 7 ° of blade relief β of cutting edge main body 12 and the fiting effect in this cutter head 3 corresponding matching face that bimetallic cuts special cutter grain 1 man-hour.Bimetallic cuts special cutter grain 1 and will be fastened on cutter head 3 by Quincunx screw, and thrust needs moderate.Check that each mating surface has gapless, in addition, after cutter head 3 processes, also need through cold treatment, act on the cold treatment of same handle of a knife 2.
A whole set of above-mentioned cutter, through cutting contrast, an above-mentioned bimetallic cuts special cutter grain and can process 90 ~ 110 holes, other coated cemented carbide insert can only process 10 ~ 15 holes, Comparatively speaking, it is longer that bimetallic in the present embodiment cuts the special cutter grain life-span, and the hole quality of this bimetallic cutting special cutter grain processing is good, and working (machining) efficiency improves 1.5 ~ 2 times.Adopt this cutter, be not only user and saved the cost of charp tool, also improve production efficiency, reduce product percent defective.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. bimetallic cuts special cutter grain, comprise matrix and be fixed on the cutting edge main body on described matrix, it is characterized in that described cutting edge main body having rake face and rear knife face, the angle of described rake face and vertical basal plane is 0-20 °, and the angle of described rear knife face and horizontal basal plane is 3-18 °; Be provided with chamfered edge face between described rake face and described rear knife face, the width in described chamfered edge face is 0.03-0.15mm, and the absolute value of the angle of described chamfered edge face and described vertical basal plane is 1-15 °; Fillet surface is provided with between described chamfered edge face and described rear knife face.
2. bimetallic as claimed in claim 1 cuts special cutter grain, it is characterized in that, described rake face is provided with to break cuts platform, and described disconnected platform of cutting is for carrying out disconnected cutting during machining.
3. bimetallic as claimed in claim 1 cuts special cutter grain, and it is characterized in that, described fillet surface is rounded corner face, and the chamfer radius in described rounded corner face is 0.01-0.06mm.
4. the bimetallic as described in any one of claims 1 to 3 cuts special cutter grain, and it is characterized in that, described matrix is hard alloy piece, and described cutting edge main body is CBN part.
5. bimetallic as claimed in claim 4 cuts special cutter grain, it is characterized in that, described cutting edge main body and described matrix form one by vacuum welding.
6. the bimetallic as described in any one of claims 1 to 3 cuts special cutter grain, and it is characterized in that, the angle of described rake face and vertical basal plane is 10 °.
7. the bimetallic as described in any one of claims 1 to 3 cuts special cutter grain, and it is characterized in that, the angle of described rear knife face and horizontal basal plane is 7 °.
8. the bimetallic as described in any one of claims 1 to 3 cuts special cutter grain, and it is characterized in that, the width in described chamfered edge face is 0.08mm.
9. bimetallic as claimed in claim 8 cuts special cutter grain, and it is characterized in that, the absolute value of the angle of described chamfered edge face and described vertical basal plane is 5 °.
10. cutter, comprise handle of a knife, detachably be installed on the cutter head of described handle of a knife one end, and be arranged at described handle of a knife one end and for regulating the micro-adjusting mechanism of described cutter head position, it is characterized in that, the bimetallic that described cutter also comprises described in any one of claim 1 to 9 cuts special cutter grain, and described bimetallic cuts special cutter grain and described cutter head removably connects.
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| CN201520161111.0U CN204524299U (en) | 2015-03-20 | 2015-03-20 | Bimetallic cuts special cutter grain and cutter thereof |
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| CN201520161111.0U CN204524299U (en) | 2015-03-20 | 2015-03-20 | Bimetallic cuts special cutter grain and cutter thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772479A (en) * | 2015-03-20 | 2015-07-15 | 深圳市圆梦精密技术研究院 | Special cutter grain and cutter thereof for bimetal cutting |
| CN114986570A (en) * | 2022-06-02 | 2022-09-02 | 海宁市新艺机电有限公司 | Rotary shaver blade and manufacturing method of blade foot thereof |
-
2015
- 2015-03-20 CN CN201520161111.0U patent/CN204524299U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772479A (en) * | 2015-03-20 | 2015-07-15 | 深圳市圆梦精密技术研究院 | Special cutter grain and cutter thereof for bimetal cutting |
| CN114986570A (en) * | 2022-06-02 | 2022-09-02 | 海宁市新艺机电有限公司 | Rotary shaver blade and manufacturing method of blade foot thereof |
| CN114986570B (en) * | 2022-06-02 | 2024-04-12 | 海宁市新艺机电有限公司 | Rotary razor blade and method for manufacturing blade feet thereof |
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