CN104551162A - End milling cutter - Google Patents
End milling cutter Download PDFInfo
- Publication number
- CN104551162A CN104551162A CN201310484991.0A CN201310484991A CN104551162A CN 104551162 A CN104551162 A CN 104551162A CN 201310484991 A CN201310484991 A CN 201310484991A CN 104551162 A CN104551162 A CN 104551162A
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- Prior art keywords
- cutting
- cutter
- blade section
- thick
- core
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/32—Chip breaking or chip evacuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/04—Angles
- B23C2210/0407—Cutting angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/04—Angles
- B23C2210/0485—Helix angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23C2222/04—Aluminium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention provides an end milling cutter which comprises a cutter shank part, a cutter neck part and a cutting part, wherein the cutting part adopts a drill tip type groove-shaped structure, the front cutter surface and the vertical surface of each cutting blade form a front angle gamma ranging from 5 degrees to 15 degrees, and the rear cutter surface and the cutting surface of the cutting blade form a rear angle alpha ranging from 18 degrees to 35 degrees. The cutting blades of the end milling cutter are sharper, so that the chip discharge efficiency can be increased, the service life of the end milling cutter can be prolonged, and the end milling cutter is more suitable for processing special PCBs (printed circuit boards) which are made of different materials and comprise PCB aluminum substrates, thick PCB copper plates, PCB soft boards and the like; when the end milling cutter is used for processing the special PCBs , unnecessary scratching of a line layer and an insulation layer of each PCB by the milling cutter can be avoided, and defects of flashing, popping, burrs and the like are reduced.
Description
Technical field
The present invention relates to Precision Machining cutter field, especially relate to the slotting cutter that a kind of processing PCB aluminium base uses.
Background technology
PCB(Printed circult board) plate, also known as printed circuit board, using insulation board as base material, be cut into certain size, at least with a conductive pattern on it, and cloth porose (as component hole, fastener hole, plated through-hole etc.), be used for substituting the chassis of device electronic devices and components in the past, and realize being interconnected between electronic devices and components.And existing PCB aluminium base many employings aluminium base arranges insulating barrier to reach the base material of insulation board, finally line layer is set on the insulating layer.Therefore, PCB aluminium base includes aluminium base, insulating barrier and line layer three layers composition.When the existing brill milling about PCB aluminium base and Milling Process, many employings are used for the milling cutter of milling cutter as PCB aluminium base of aluminium alloy, the profile of groove of this milling cutter as shown in Figure 5, the angle of its anterior angle γ and relief angle α is all less, the small volume of therefore formed cutting slot, and its cutting edge is sharp not, intensity is also inadequate.Because PCB aluminium base further comprises line layer and insulating barrier, therefore the viscosity of resin on the hardness of its pcb board material and insulating barrier, makes, when using aluminium alloy special-purpose milling cutter processing PCB sheet material, easily to occur the appearance of the problem such as burr, blast hole.Further, because row's chip room of aluminium alloy special-purpose milling cutter is little, cutting edge is sharp not, easy pcb board in process is made easily to produce the defective products such as burr.
Summary of the invention
The object of the invention is to solve the shortcoming easily occurring the defective products such as burr, blast hole and burr adopting aluminium alloy special-purpose milling cutter to cause in the brill Milling Machining of existing special PCB aluminium base, thick copper pcb board, PCB soft board, a kind of slotting cutter is provided, for this type of pcb board material characteristic and custom-designedly bore the special milling cutter of Milling Machining for pcb board material.
The technical scheme that the present invention solves the employing of its technical problem is: slotting cutter, comprise end to end shank section successively, cutter neck and cutting portion, the spiral helicine cutting slot that there are two cutting edges that can rotate around central axis on described cutting portion and can rotate about the axis along cutting edge described in two, the most advanced and sophisticated place of cutting edge described in two has a cutting face and the vertical plane perpendicular to described cutting face, described cutting edge has rake face and rear knife face, the helixangleβ of described cutting slot is 40 ~ 50 °, described cutting portion adopts apex point type trench structure, anterior angle γ is formed between the rake face of described cutting edge and described vertical plane, the angle of described anterior angle γ is 5 ~ 15 °, relief angle α is formed between the rear knife face of described cutting edge and described cutting face, the angle of described relief angle α is 18 ~ 35 °.
Further, described cutting portion comprises end to end first blade section and the second blade section, and the other end of described second blade section is fixedly connected with described cutter neck, and the center thickness of described first blade section is the thick K of core
1, the center thickness of described second blade section is the thick K of core
2, the thick K of core of described first blade section
1by the top of cutting portion to the second blade section progressive additive, the thick K of core of described second blade section
2by the junction with the first blade section to the junction progressive additive with described cutter neck, the thick K of core of described second blade section
2be greater than the thick K of core of described first blade section
1.
Particularly, the thick K of core of described first blade section
1for 15% ~ 55% of cutting portion diameter phi, the thick K of core of described second blade section
2for 15% ~ 55% of cutting portion diameter phi.
Particularly, the length of described first blade section is 1 ~ 10 times of cutting portion diameter phi.
Further, cutting edge described in two forms a drift angle σ on the top of described cutting portion, and described drift angle σ is 100 ~ 150 °.
Particularly, described drift angle σ is 130 °.
Further, the diameter of described shank section is 3 ~ 3.2mm, and the diameter of described cutting portion is 0.3 ~ 6.0mm.
Particularly, the length of described slotting cutter is 38mm.
Particularly, described anterior angle γ is 8 °, and described relief angle α is 30 °.
Particularly, described cutting portion outer surface is provided with Ta-C coating.
Beneficial effect of the present invention is:
(1), slotting cutter provided by the present invention, its cutting portion have employed apex point type trench structure, make cutter can deal with boring and Milling Process simultaneously, simultaneously in conjunction with the advantage of drill bit and milling cutter, make slotting cutter before use without the need to prebored hole, and adopt apex point type trench structure, add dust discharge space, chip can be included in cutting slot, upwards discharge along cutting slot, thus more can adapt to the performance requirement boring the processing of milling one;
(2), after slotting cutter provided by the present invention have employed apex point type trench structure, the thick K of core of the first blade section is which increased
1, the core of this cutting portion front end is thick larger, and the anti-break performance of cutter is better, reduces the thick K of core of the second blade section simultaneously
2, make the cutting slot of cutting portion posterior segment darker, the chip space of milling cutter can be increased like this, and the thick K of core of the first blade section
1with the thick K of core of the second blade section
2all adopt the step-like design of progressive additive, the mechanical strength of milling cutter can be improved.And traditional milling cutter grooved because of grooved less, chip is squeezed into edges of boards and causes burr situation very serious, and this design makes center cutter position core thick less, thus reduces its axial force, improves breaking, also improves its mechanical strength;
(3), adopt the cutting edge of slotting cutter provided by the present invention more sharp, chip removal efficiency can be improved and extend the service life of milling cutter, by the design on clear limit, increase the angle of anterior angle γ and relief angle α, therefore the increase of these two angles can improve the sharpness of cutting edge and the mechanical strength of cutting edge, reduces the cutting force of milling cutter, and reduces the phenomenon of sticky cutter, and the increase of relief angle α angle, can reduce the friction of knife face and working surface after cutting edge.Its processing being more applicable to special pcb board material is made because its blade is more sharp, this special pcb board material, not only comprise common PCB aluminium base, it can also be the pcb board material of the unlike material such as the thick copper coin of PCB and PCB soft board, adopt this slotting cutter processing PCB sheet material, milling cutter can be avoided to cause unnecessary scuffing to the line layer of pcb board and insulating barrier, the appearance of the bad problems such as burr, blast hole, burr can be reduced simultaneously;
(4), with Ta-C coating be combined, reduce its skin-friction coefficient, the performance of cutter can better be played, more adapt to the processing of aluminum base PCB plate, flexible PCB, thick copper pcb board.
Accompanying drawing explanation
Fig. 1 is the front view of the slotting cutter that the embodiment of the present invention provides;
Fig. 2-1 is the side view (profile of groove) of the cutting portion of the slotting cutter that the embodiment of the present invention provides;
Fig. 2-2 is side views (profile of groove) of the cutting portion of the slotting cutter that the embodiment of the present invention provides;
Fig. 3 is the full sectional view at A-A place in Fig. 1;
Fig. 4 is the full sectional view at B-B place in Fig. 1;
Fig. 5 is the top view (profile of groove of traditional milling cutter) of the cutting portion of conventional aluminum alloy special-purpose milling cutter;
In figure: 10-slotting cutter
1-shank section 2-cutter neck 3-blade part
31-central axis 32-cutting edge 33-cutting slot
34-first blade section 35-second blade section
311-cutting face 312-vertical plane
Knife face after 321-rake face 322-.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
See Fig. 1-4, for slotting cutter 10 provided by the present invention, comprise end to end shank section 1, cutter neck 2 and cutting portion 3 successively, there is two cutting edges 32 that can rotate around central axis 31 and the spiral helicine cutting slot 33 that can rotate about the axis along two cutting edges 32 on cutting portion 3, the most advanced and sophisticated place of two cutting edges 32 has a cutting face 311 and the vertical plane 312 perpendicular to cutting face 311, cutting edge 32 has rake face 321 and rear knife face 322, and the helixangleβ of cutting slot 33 is 40 ~ 50 °.In the present embodiment, the helixangleβ of this cutting slot 33 is 30 °.The cutting plane that the tangent line at the tip place that this cutting face 311 is cutting edge 32 is formed.Two that this vertical plane 312 is two cutting edges 32 most advanced and sophisticated places connect the vertical plane passing through central axis 33 and formed.And this cutting plane is mutually vertical with this vertical plane.And slotting cutter 10 provided by the present invention, its cutting portion 3 adopts apex point type trench structure, namely combines the top of drill bit and the screw type cutting slot structure of milling cutter, boring and cutting is united two into one.This apex point type trench structure by the drift angle σ at the cutter head tip of slotting cutter and the anterior angle γ of cutting edge 3 and relief angle α etc. numerous parameter to limit the shape of its milling cutter.This apex point type grooved not only makes the tip of cutting portion 3 can have a drift angle σ, additionally use the design on limit clearly, the anterior angle γ of cutting edge 3 and the angle of relief angle α can be increased, the increase of these two angles can improve the sharpness of cutting edge 3 and the mechanical strength of cutting edge 3, reduce the cutting force of milling cutter 10, and reduce the phenomenon of sticky cutter, and the increase of relief angle α angle, the friction of knife face and working surface after cutting edge can be reduced.Because slotting cutter 10 provided by the present invention has apex point type trench structure, as shown in Fig. 2-1 and Fig. 2-2, make cutter can deal with boring and Milling Process simultaneously, simultaneously in conjunction with the advantage of drill bit and milling cutter, make slotting cutter before use without the need to prebored hole.In the present invention as shown in Fig. 2-1 and Fig. 2-2, an anterior angle γ is formed between the rake face 321 of cutting edge 3 and vertical plane 312, the angle of this anterior angle γ is 5 ~ 15 °, forms a relief angle α between the rear knife face 322 of cutting edge 3 and cutting face 311, and the angle of relief angle α is 18 ~ 35 °.Owing to have employed apex point type trench structure, the volume of cutting slot 33 can be increased, the volume of cutting slot 33 is made to account for 50% ~ 60% of whole cutting portion 3 volume, significantly can improve the solid capacity of cutting portion 3, make chip space larger, make chip can be included in cutting slot 33, upwards discharge along cutting slot 33, can avoid milling cutter in brill milling process, produce the situation of breaking because aluminium bits are difficult to discharge, the service life of slotting cutter 10 can be extended.Therefore, slotting cutter 10 provided by the present invention is highly suitable for the processing of special pcb board material, and this special pcb board material not only comprises the PCB aluminium base of common aluminum alloy material, can also be the pcb board material of the unlike material such as the thick copper coin of PCB and PCB soft board.
Traditional milling cutter as shown in Figure 5, due to the restriction of its trench structure, make its anterior angle γ generally only can be worked into 4 ~ 5 °, and relief angle α also can only between 18 ~ 23 °.And slotting cutter 10 provided by the present invention, the angle of its anterior angle γ can be worked into 5 ~ 15 °, and the angle of relief angle α can be worked into 18 ~ 35 °.Slotting cutter 10 provided by the present invention is compared with traditional milling cutter, and slotting cutter 10 provided by the present invention is greatly improved at the equal tool of anterior angle γ and relief angle α.And anterior angle γ and relief angle α increase can improve the sharpness of cutting edge 3 and the mechanical strength of cutting edge 3.Particularly the increase of relief angle α can reduce the friction on the rear knife face 322 of cutting edge 3 and cutwork surface.For brill Milling Machining and the Milling Process of pcb board, improve the sharpness of cutting edge 3, in boring procedure, bore edges can be made more smooth, avoid the appearance of the bad problem such as burr and blast hole.And for Milling Process, cutting edge 3 is more sharp also can make the appearance that cutting face is more smooth, avoid burr.Particularly for PCB aluminium base, the hardness of its sheet material is larger compared with the hardness of aluminium alloy plate, therefore slotting cutter provided by the present invention is needed to carry out cutting or holing, and the resin material of the insulating barrier of pcb board more easily produces the phenomenon of sticky cutter, machining is bored in the milling that the more sharp and slotting cutter 10 that mechanical strength is higher will be conducive to pcb board, avoids causing in process to the insulating barrier of pcb board material and the unnecessary damage of line layer.Therefore, it is possible to improve working (machining) efficiency and the yield rate of pcb board material, improve the fineness of pcb board material finished surface.Meanwhile, the cutting edge 3 of slotting cutter 10 is more sharp and intensity is higher, can improve the working (machining) efficiency of milling cutter and the service life of milling cutter self.
Further, as shown in Figure 1, the other end that the cutting portion 3 of slotting cutter 10 provided by the present invention comprises end to end first blade section 34 and the second blade section 35, second blade section 35 is fixedly connected with cutter neck 2.The center thickness of the first blade section 34 is the thick K of core
1, the center thickness of the second blade section 35 is the thick K of core
2.The thick K of core of the first blade section 34
1by the top of cutting portion 3 to the second blade section 35 progressive additive, the thick K of core of the second blade section 35
2by the junction with the first blade section 34 to the junction progressive additive with cutter neck 2, the thick K of core of the second blade section 35
2be greater than the thick K of core of the first blade section 34
1.The patten's design that the thick employing gradient of core of this first blade section 34 and the second blade section 35 increases progressively, can improve the mechanical strength of the blade part 3 of cutter.The thick K of core of this first blade section 34
1larger, then the performance of the anti-breaking of milling cutter is better.The thick K of core of this second blade section 35
2less, then cutting slot 33 is darker.If cutting slot 33 is darker, then chip space is larger, and the chip removal that can hold is more, is more conducive to the chip removal of milling cutter.
As shown in Figure 3-4, be the thick K of core of the first blade section 34 of the present embodiment slotting cutter 10
1with the thick K of core of the second blade section 35
2, the core at these two ends is thick all relevant with the diameter phi of cutting portion 3.The wherein thick K of core of the first blade section 34
1for the thick K of core of the 15% ~ 55%, second blade section 35 of cutting portion 3 diameter phi
2for 15% ~ 55% of cutting portion 3 diameter phi.That is, the thick K of core of the first blade section 34
1and the ratio of the diameter phi of cutting portion 3 is between 0.15 ~ 0.55; The thick K of core of the second blade section 35
2and the ratio of the diameter phi of cutting portion 3 is between 0.15 ~ 0.55.But the thick K of core of the second blade section 35
2remain the thick K of core being greater than the first blade section 34
1.The thick K of core of this first blade section 34
1can ensure the dust discharge performance of front end during Tool in Cutting aluminium, enough cores are thick also can prevent breaking, the thick K of core of the second blade section 35
2can ensure that the rigidity of cutter rear end enough prevents breaking, also take into account the dust discharge performance of cutter.
Further, the length of this first blade section 34 is also relevant with the diameter phi of cutting portion 3.The length of this first blade section 34 is 1 ~ 10 times of cutting portion 3 diameter phi.The setting of length of this first blade section 34 and the composition of the thickness of rapidoprint and rapidoprint closely related, and the length of this first blade section 34 determines the flute length of cutting slot 33 in the first blade section 34, and determine crudy and the cutting-tool's used life of tool sharpening.Therefore, when ensureing crudy and efficiency, the flute length of shortening first blade section 34 place cutting slot 33 as far as possible, to extend the life-span that cutter uses.
Cutting portion 3 due to slotting cutter provided by the present invention have employed apex point type trench structure, and make two cutting edge 32 form a drift angle σ on the top of cutting portion 3, this drift angle σ is 100 ~ 150 °.The angle that this drift angle σ is formed at midship section inner projection for two cutting edges 3.σ is less for this drift angle, then cutting edge 32 is longer, and the drill bit axial stability of slotting cutter 10 is better.And in the present embodiment, this drift angle is 130 °.This drift angle σ makes slotting cutter 10 provided by the present invention be more suitable for the boring of pcb board.
Particularly, please again see Fig. 1, in the present embodiment, the diameter of its shank section 1 of slotting cutter 10 provided is 3 ~ 3.2mm, and the diameter of cutting portion 3 is 0.6 ~ 3mm.According to the requirement of the slotting cutter 10 of different size, the diameter dimension of this cutting portion 3 can be greater than the diameter dimension of shank section 1, also can be less than the size of shank section 1.And the length of slotting cutter is for generally being 38mm.In the present embodiment, the anterior angle γ of slotting cutter 10 is 8 °, and relief angle α is 30 °.Under this angle, the edges of boards effect of the sheet material that slotting cutter 10 is processed is best, occurs that the probability of the bad problems such as burr, blast hole, burr is very little.And under this angle, the service life of this slotting cutter 10 is the longest.
Further, slotting cutter 10 provided by the present invention, is equipped with TA-C coating at the outer surface of its cutting portion 3.This Ta-C coating is nanometer multilayer composite coating, and main component is C film, and wherein SP3 structure (diamond) content is up to 70%, and therefore coating hardness is higher, and this coating layer thickness is less than 1 μm.The cutting portion surface of this slotting cutter 10 effectively can prevent tipping, and can ensure again the cutting quality of aluminium and pcb board insulating barrier and line layer after being provided with Ta-C coating.
In sum, slotting cutter 10 provided by the present invention, owing to have employed apex point type trench structure, makes the equal tool of the anterior angle γ of blade part 3 and relief angle α be greatly improved.The increase of this anterior angle γ and relief angle α angle, the sharpness of cutting edge 3 and the mechanical strength of cutting edge 3 can be improved, reduce the friction on the rear knife face 322 of cutting edge 3 and cutwork surface, and the volume of cutting slot 33 can be increased, can chip space be increased, avoid because aluminium bits cannot be got rid of and cause the situation of breaking.Simultaneously in conjunction with Ta-C coating, more can strengthen the intensity of the cutting portion 3 of milling cutter, make cutting edge 32 more sharp solid, service life and the working (machining) efficiency of milling cutter can be extended.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. slotting cutter, comprise end to end shank section successively, cutter neck and cutting portion, the spiral helicine cutting slot that there are two cutting edges that can rotate around central axis on described cutting portion and can rotate about the axis along cutting edge described in two, the most advanced and sophisticated place of cutting edge described in two has a cutting face and the vertical plane perpendicular to described cutting face, described cutting edge has rake face and rear knife face, the helixangleβ of described cutting slot is 40 ~ 50 °, it is characterized in that, described cutting portion adopts apex point type trench structure, anterior angle γ is formed between the rake face of described cutting edge and described vertical plane, the angle of described anterior angle γ is 5 ~ 15 °, relief angle α is formed between the rear knife face of described cutting edge and described cutting face, the angle of described relief angle α is 18 ~ 35 °.
2. slotting cutter as claimed in claim 1, it is characterized in that, described cutting portion comprises end to end first blade section and the second blade section, and the other end of described second blade section is fixedly connected with described cutter neck, and the center thickness of described first blade section is the thick K of core
1, the center thickness of described second blade section is the thick K of core
2, the thick K of core of described first blade section
1by the top of cutting portion to the second blade section progressive additive, the thick K of core of described second blade section
2by the junction with the first blade section to the junction progressive additive with described cutter neck, the thick K of core of described second blade section
2be greater than the thick K of core of described first blade section
1.
3. slotting cutter as claimed in claim 2, is characterized in that, the thick K of core of described first blade section
1for 15% ~ 55% of cutting portion diameter phi, the thick K of core of described second blade section
2for 15% ~ 55% of cutting portion diameter phi.
4. slotting cutter as claimed in claim 2, it is characterized in that, the length of described first blade section is 1 ~ 10 times of cutting portion diameter phi.
5. slotting cutter as claimed in claim 1, it is characterized in that, cutting edge described in two forms a drift angle σ on the top of described cutting portion, and described drift angle σ is 100 ~ 150 °.
6. slotting cutter as claimed in claim 5, it is characterized in that, described drift angle σ is 130 °.
7. slotting cutter as claimed in claim 1, it is characterized in that, the diameter of described shank section is 3 ~ 3.2mm, and the diameter of described cutting portion is 0.3 ~ 6.0mm.
8. slotting cutter as claimed in claim 7, it is characterized in that, the length of described slotting cutter is 38mm.
9. the slotting cutter as described in any one of claim 1-8, is characterized in that, described anterior angle γ is 8 °, and described relief angle α is 30 °.
10. the slotting cutter as described in any one of claim 1-8, is characterized in that, described cutting portion outer surface is provided with Ta-C coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484991.0A CN104551162A (en) | 2013-10-16 | 2013-10-16 | End milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484991.0A CN104551162A (en) | 2013-10-16 | 2013-10-16 | End milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104551162A true CN104551162A (en) | 2015-04-29 |
Family
ID=53068813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310484991.0A Pending CN104551162A (en) | 2013-10-16 | 2013-10-16 | End milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104551162A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665799A (en) * | 2016-04-19 | 2016-06-15 | 深圳市金洲精工科技股份有限公司 | Semicircular drill |
| CN105665804A (en) * | 2016-02-02 | 2016-06-15 | 深圳市金洲精工科技股份有限公司 | Drilling and milling cutting tool |
| CN107414152A (en) * | 2017-09-05 | 2017-12-01 | 梅州市志浩电子科技有限公司 | A kind of processing method of the strip gong groove of PCB |
| CN108581000A (en) * | 2018-06-12 | 2018-09-28 | 深圳市金洲精工科技股份有限公司 | A kind of milling cutter of processing metal substrate material |
| CN108581001A (en) * | 2018-06-12 | 2018-09-28 | 深圳市金洲精工科技股份有限公司 | A kind of single-blade milling cutter |
| CN109382541A (en) * | 2018-12-25 | 2019-02-26 | 肇庆本田金属有限公司 | A kind of improved gas chamber gas port Pocket Machining cutter |
| CN111065203A (en) * | 2020-01-06 | 2020-04-24 | 东莞市五株电子科技有限公司 | High-end LED circuit board with good heat dissipation performance and preparation method thereof |
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| JPS62174818U (en) * | 1986-04-24 | 1987-11-06 | ||
| US5046902A (en) * | 1988-10-21 | 1991-09-10 | Zubov Alexei V | Spiral drill |
| US5888036A (en) * | 1990-02-27 | 1999-03-30 | Hitachi Seiko, Ltd. | Drill bit and step feeding method |
-
2013
- 2013-10-16 CN CN201310484991.0A patent/CN104551162A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62174818U (en) * | 1986-04-24 | 1987-11-06 | ||
| US5046902A (en) * | 1988-10-21 | 1991-09-10 | Zubov Alexei V | Spiral drill |
| US5888036A (en) * | 1990-02-27 | 1999-03-30 | Hitachi Seiko, Ltd. | Drill bit and step feeding method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665804A (en) * | 2016-02-02 | 2016-06-15 | 深圳市金洲精工科技股份有限公司 | Drilling and milling cutting tool |
| CN105665799A (en) * | 2016-04-19 | 2016-06-15 | 深圳市金洲精工科技股份有限公司 | Semicircular drill |
| CN107414152A (en) * | 2017-09-05 | 2017-12-01 | 梅州市志浩电子科技有限公司 | A kind of processing method of the strip gong groove of PCB |
| CN108581000A (en) * | 2018-06-12 | 2018-09-28 | 深圳市金洲精工科技股份有限公司 | A kind of milling cutter of processing metal substrate material |
| CN108581001A (en) * | 2018-06-12 | 2018-09-28 | 深圳市金洲精工科技股份有限公司 | A kind of single-blade milling cutter |
| CN108581001B (en) * | 2018-06-12 | 2024-01-30 | 深圳市金洲精工科技股份有限公司 | Single-edge milling cutter |
| CN108581000B (en) * | 2018-06-12 | 2024-01-30 | 深圳市金洲精工科技股份有限公司 | Milling cutter for processing metal substrate material |
| CN109382541A (en) * | 2018-12-25 | 2019-02-26 | 肇庆本田金属有限公司 | A kind of improved gas chamber gas port Pocket Machining cutter |
| CN111065203A (en) * | 2020-01-06 | 2020-04-24 | 东莞市五株电子科技有限公司 | High-end LED circuit board with good heat dissipation performance and preparation method thereof |
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Application publication date: 20150429 |
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| RJ01 | Rejection of invention patent application after publication |