CN105215433B - A kind of drill bit for processing fiber-reinforced resin matrix compound material - Google Patents
A kind of drill bit for processing fiber-reinforced resin matrix compound material Download PDFInfo
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- CN105215433B CN105215433B CN201510576439.3A CN201510576439A CN105215433B CN 105215433 B CN105215433 B CN 105215433B CN 201510576439 A CN201510576439 A CN 201510576439A CN 105215433 B CN105215433 B CN 105215433B
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- China
- Prior art keywords
- fiber
- reinforced resin
- compound material
- resin matrix
- matrix compound
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/12—Boron nitride
- B23B2226/125—Boron nitride cubic [CBN]
Abstract
A kind of drill bit for processing fiber-reinforced resin matrix compound material, it is characterized in that using the method such as welding, electroplate or inlay on drill edge, along cutting edge direction, it is placed equidistant diamond or cubic boron nitride particle, the granularity of the particle more than or equal to fibre diameter in fiber-reinforced resin matrix compound material to be processed, and particle twice of the granularity less than or equal to fibre diameter to be processed；The fiber content p in centre-to-centre spacing d0, fibre diameter d1 and fiber-reinforced resin matrix compound material between particle meets d0=（2+1/p）d1.Advantages of the present invention：Because fibre diameter matches with grain graininess, fiber can enter among two adjacent particles in process, so as to improve the control to fibre deformation, can reduce the flexural deformation of fiber generation, be conducive to improving the cut-out efficiency of fiber, reduce the generation of burr phenomena.Meanwhile, the distance between fiber content adjustment particle in fiber-reinforced resin matrix compound material can improve the service life of drill bit while flash removed is effectively removed.
Description
Technical field
It is particularly a kind of for processing fiber-reinforced resin matrix compound material the invention belongs to material working research field
Drill bit.
Background technology
Fiber-reinforced resin matrix compound material is more and more extensive in the application of industrial circle, common fiber-reinforced resin base
Composite is including galss fiber reinforced resin based composites, carbon fiber enhancement resin base composite material etc..At present, it is conventional
Fibrous material is including glass fibre, carbon fiber, aramid fiber, boron fibre etc..
The fiber-reinforced resin matrix compound materials such as carbon fiber enhancement resin base composite material are satisfaction zero after the completion of preparation
Shape and the physical dimension requirement of part, it usually needs a series of machining.However, carbon fiber enhancement resin base composite wood
In the process such as material, aramid fiber composite material, because reinforcing fiber generally has the performances such as intensity higher, hardness, using existing
There is in conventional drill process burr phenomena caused by easily occurring to be completely cut through due to fiber.The product of burr phenomena
It is raw that mainly due in drilling outlet, cut edge etc., fiber has the larger deformation free degree, in the presence of drill bit,
Fiber produces more serious flexural deformation and is not cut off effectively, occurs substantial amounts of burr phenomena after machining.For example
In the process such as drilling, milling in carbon fiber enhancement resin base composite material etc., drilling exit or edge are easily produced
The fiber that the substantial amounts of burr of life does not cut off so that crudy is difficult to ensure that.
The content of the invention
The present invention provides a kind of for processing the drill bit of fiber-reinforced resin matrix compound material, so as to solve fiber reinforcement tree
A large amount of fibers are easily produced to be difficult to cut off in resin-based composite drilling process, caused burr phenomena.
It is a kind of compound for processing fiber-reinforced resin base to reach above-mentioned purpose the technical solution adopted in the present invention
The drill bit of material, including cutting edge, set multiple diamond particles or cubic boron nitride particle, multiple Buddha's warrior attendants on the cutting edge
Stone particle or cubic boron nitride particle are placed equidistant along cutting edge direction.
The present invention is as much as possible on cutting edge to set diamond particles or cubic boron nitride particle in practical operation,
It is preferred that the diamond particles or cubic boron nitride particle are set with the cutting edge outer rim at drill bit maximum gauge as starting point.
The granularity of the preferably diamond particles or cubic boron nitride particle of the invention is more than or equal to fiber to be processed
Fibre diameter in reinforced resin based composites, and diamond particles or cubic boron nitride particle granularity less than or equal to be added
The twice of fibre diameter in the fiber-reinforced resin matrix compound material of work.
When the timing of fiber content one in fiber-reinforced resin matrix compound material, multiple diamond particles of the present invention or
The centre-to-centre spacing of two neighboring diamond particles or cubic boron nitride particle is directly proportional to fibre diameter in cubic boron nitride particle；When
Fibre diameter in one timing fiber-reinforced resin matrix compound material is adjacent in multiple diamond particles or cubic boron nitride particle
Fiber content in the centre-to-centre spacing of two diamond particles or cubic boron nitride particle and fiber-reinforced resin matrix compound material into
Inverse ratio.Further, it is preferable to the centre-to-centre spacing, fibre diameter and fiber content meet：d0=（2+1/p）d1；Wherein, d0：Center
Away from；d1：Fibre diameter；p：The volume of fiber and fiber-reinforced resin matrix compound material body in fiber-reinforced resin matrix compound material
Long-pending ratio.Geometric center or the circumscribed circle center of circle of the granular center for particle.
Preferably the multiple diamond particles of the invention or cubic boron nitride particle are set using welding, plating or method for embedding
Put on the cutting edge.Diamond particles of the present invention or cubic boron nitride particle can be set using welding, plating or method for embedding
It is placed on the cutting edge of drill bit disclosed in any prior art, the drill bit at least includes two cutting edges.
Beneficial effects of the present invention：It is diamond using with diverse microcosmic structure for the diameter of different reinforced fibers
The granularity of particle or cubic boron nitride particle, centre-to-centre spacing between diamond particles or cubic boron nitride particle；Due to fibre diameter
Granularity with diamond particles or cubic boron nitride particle matches, and fiber-reinforced resin base to be processed in process is combined
Fiber enters between two adjacent diamond particles or cubic boron nitride particle in material, so as to improve the control to fibre deformation
System, reduces the flexural deformation that fiber is produced, and is conducive to improving the cut-out efficiency of fiber, reduces the generation of burr phenomena.Meanwhile, root
According to the centre-to-centre spacing between the fiber content adjustment superhard particles in fiber-reinforced resin matrix compound material, defeathering effectively can removed
The service life of drill bit is improved while thorn.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is part A structural representation in Fig. 1；
In figure：1st, cutting edge, 2, diamond particles, B, starting point, d0, the centre-to-centre spacing of two neighboring diamond particles.
Specific embodiment
The present invention is specifically described with reference to embodiment.
Embodiment 1
A kind of drill bit for processing fiber-reinforced resin matrix compound material, it includes two cutting edges, the cutting edge
Upper to set multiple diamond particles, multiple diamond particles are placed equidistant along cutting edge.The diamond particles are set with drill bit
Cutting edge outer rim at maximum gauge is starting point.The granularity of diamond particles is compound equal to fiber-reinforced resin base to be processed
Fibre diameter in material.The centre-to-centre spacing of the two neighboring diamond particles, carbon fiber diameter and fiber content meet：d0=（2+
1/p）d1；Wherein d0：Centre-to-centre spacing；d1：Carbon fiber diameter；p：The volume of carbon fiber and fibre in fiber-reinforced resin matrix compound material
Tie up the ratio of reinforced resin based composites volume.The multiple diamond particles are set on the cutting edge using welding method.
Drill bit described in being not provided with the conventional drill and the present embodiment of diamond particles is respectively adopted carries out fibre reinforced tree
The processing of resin-based composite, wherein, the carbon fiber diameter d1 in carbon fiber enhancement resin base composite material is 7 μm, carbon fiber
The content p of carbon fiber is 50% in reinforced resin based composites, and the granularity of diamond particles is 7 μm, according to d0=（2+1/p）
D1, it is 28 μm to obtain the centre-to-centre spacing between diamond particles.Drill bit material is hard alloy, and bit diameter is 5mm, and drill bit is mountain
The R842-0500-30-A0A of the laughable full company's productions of Te Weike.
Carbon fiber enhancement resin base composite material size is 100mm × 80mm × 5mm, and the drill speed in process is
5000r/min, the drill bit amount of feeding is 30mm/min.
Result after processing shows, after being processed using conventional drill, drilling outlet has substantial amounts of burr phenomena, hair
Thorn total length is 7mm；And use the exit surface burr phenomena after present invention processing to substantially reduce, burr total length is less than 1mm,
So as to show that the present invention realizes the effective control to the carbon fiber in carbon fiber enhancement resin base composite material in process,
Reduce because fiber is difficult to the phenomenon effectively cut off caused by carbon fiber deformation.
Embodiment 2
A kind of drill bit for processing fiber-reinforced resin matrix compound material, it includes two cutting edges, the cutting edge
Upper to set multiple diamond particles, multiple diamond particles are placed equidistant along cutting edge.The diamond particles are set with drill bit
Cutting edge outer rim at maximum gauge is starting point.The granularity of the diamond particles is equal to fiber-reinforced resin base to be processed
The twice of Fiber In Composite Material diameter.The centre-to-centre spacing centre-to-centre spacing of the two neighboring diamond particles, carbon fiber diameter and fibre
Dimension hplc meets：d0=（2+1/p）d1；Wherein d0：Centre-to-centre spacing；d1：Carbon fiber diameter；p：Fiber-reinforced resin matrix compound material
The volume of middle fiber and the ratio of fiber-reinforced resin matrix compound material volume.The multiple diamond particles use electro-plating method
Set on the cutting edge.
Drill bit described in being not provided with the conventional drill and the present embodiment of diamond particles is respectively adopted carries out fibre reinforced tree
The processing of resin-based composite, wherein, the carbon fiber diameter d1 in carbon fiber enhancement resin base composite material is 7 μm, carbon fiber
The content p of carbon fiber is 50% in reinforced resin based composites, and the granularity of diamond particles is the diameter of the carbon fiber of twice,
As 14 μm, according to d0=（2+1/p）D1, it is 28 μm to obtain the centre-to-centre spacing between diamond particles.Drill bit material is closed for hard
Gold, bit diameter is 5mm, and drill bit is the R842-0500-30-A0A of Sandvik Coromant Company production.
Carbon fiber enhancement resin base composite material size is 100mm × 80mm × 5mm, and the drill speed in process is
5000r/min, the drill bit amount of feeding is 30mm/min.
Result after processing shows, after being processed using conventional drill, drilling outlet has substantial amounts of burr phenomena, hair
Thorn total length is 7mm；And use the exit surface burr phenomena after present invention processing to substantially reduce, burr total length is less than 3mm,
So as to show that the present invention realizes the effective control to the carbon fiber in carbon fiber enhancement resin base composite material in process,
Reduce because fiber is difficult to the phenomenon effectively cut off caused by carbon fiber deformation.
Embodiment 3
A kind of drill bit for processing fiber-reinforced resin matrix compound material, it includes two cutting edges, the cutting edge
Upper to set multiple diamond particles, multiple diamond particles are placed equidistant along cutting edge.The diamond particles are set with drill bit
Cutting edge outer rim at maximum gauge is starting point.The granularity of the diamond particles is equal to fiber-reinforced resin base to be processed
1.5 times of Fiber In Composite Material diameter.The centre-to-centre spacing centre-to-centre spacing of the two neighboring diamond particles, carbon fiber diameter and fibre
Dimension hplc meets：d0=（2+1/p）d1；Wherein d0：Centre-to-centre spacing；d1：Carbon fiber diameter；p：Fiber-reinforced resin matrix compound material
The volume of middle fiber and the ratio of fiber-reinforced resin matrix compound material volume.The multiple diamond particles use method for embedding
Set on the cutting edge.
Drill bit described in being not provided with the conventional drill and the present embodiment of diamond particles is respectively adopted carries out fibre reinforced tree
The processing of resin-based composite, wherein, the carbon fiber diameter d1 in carbon fiber enhancement resin base composite material is 7 μm, carbon fiber
The content of carbon fiber is 50% in reinforced resin based composites.The granularity of diamond particles is the diameter of 1.5 times of carbon fiber,
As 10.5 μm, according to d0=（2+1/p）D1, it is 28 μm to obtain the centre-to-centre spacing between diamond particles.Drill bit material is closed for hard
Gold, bit diameter is 5mm, and drill bit is the R842-0500-30-A0A of Sandvik Coromant Company production.
Carbon fiber enhancement resin base composite material size is 100mm × 80mm × 5mm, and the drill speed in process is
5000r/min, the drill bit amount of feeding is 30mm/min.
Result after processing shows, after being processed using conventional drill, drilling outlet has substantial amounts of burr phenomena, hair
Thorn total length is 7mm；And use the exit surface burr phenomena after present invention processing to substantially reduce, burr total length is less than 2mm,
So as to show that the present invention realizes the effective control to the carbon fiber in carbon fiber enhancement resin base composite material in process,
Reduce because fiber is difficult to the phenomenon effectively cut off caused by carbon fiber deformation.
Embodiment 4
A kind of drill bit for processing fiber-reinforced resin matrix compound material, it includes two cutting edges, the cutting edge
Upper to set multiple diamond particles, multiple diamond particles are placed equidistant along cutting edge.The diamond particles are set with drill bit
Cutting edge outer rim at maximum gauge is starting point.The granularity of the diamond particles is equal to fiber-reinforced resin base to be processed
Fiber In Composite Material diameter.The centre-to-centre spacing centre-to-centre spacing of the two neighboring diamond particles, carbon fiber diameter and fiber content
Meet：d0=（2+1/p）d1；Wherein d0：Centre-to-centre spacing；d1：Carbon fiber diameter；p：Fiber in fiber-reinforced resin matrix compound material
Volume and fiber-reinforced resin matrix compound material volume ratio.The multiple diamond particles are arranged on using electro-plating method
On cutting edge.
Drill bit described in being not provided with the conventional drill and the present embodiment of diamond particles is respectively adopted carries out fibre reinforced
The processing of polymer matrix composites, wherein, the carbon fiber diameter d1 in carbon fiber enhancement resin base composite material is 7 μm, and carbon is fine
The content of carbon fiber is 60% in dimension reinforced resin based composites.The granularity of diamond particles is with the equal diameters of carbon fiber
It it is 7 μm, according to d0=（2+1/p）D1, it is 25.69 μm to obtain the centre-to-centre spacing between diamond particles.Drill bit material is closed for hard
Gold, bit diameter is 5mm, and drill bit is the R842-0500-30-A0A of Sandvik Coromant Company production.
Carbon fiber enhancement resin base composite material size is 100mm × 80mm × 5mm, and the drill speed in process is
5000r/min, the drill bit amount of feeding is 30mm/min.
Result after processing shows, after being processed using conventional drill, drilling outlet has substantial amounts of burr phenomena, hair
Thorn total length is 7mm；And using the exit surface burr phenomena after present invention processing to substantially reduce, burr total length is less than
1.5mm, so as to show that the present invention realizes having to the carbon fiber in carbon fiber enhancement resin base composite material in process
Effect control, reduces because fiber is difficult to the phenomenon effectively cut off caused by carbon fiber deformation.
Claims (5)
1. a kind of drill bit for processing fiber-reinforced resin matrix compound material, it is characterised in that：Including cutting edge, the cutting
Multiple diamond particles or cubic boron nitride particle are set on sword, and multiple diamond particles or cubic boron nitride particle are along cutting edge
Direction is placed equidistant；The granularity of the diamond particles or cubic boron nitride particle is more than or equal to fiber reinforcement tree to be processed
Fibre diameter in resin-based composite, and the granularity of diamond particles or cubic boron nitride particle is less than or equal to fibre to be processed
The twice of fibre diameter in dimension reinforced resin based composites.
2. a kind of drill bit for processing fiber-reinforced resin matrix compound material according to claim 1, its feature in：Institute
State diamond particles or cubic boron nitride particle is set with the cutting edge outer rim at drill bit maximum gauge as starting point.
3. a kind of drill bit for processing fiber-reinforced resin matrix compound material according to claim 1, its feature in：Institute
State two neighboring diamond particles or cubic boron nitride particle in multiple diamond particles or cubic boron nitride particle centre-to-centre spacing,
Fibre diameter and fiber content meet in fiber-reinforced resin matrix compound material to be processed：d0=（2+1/p）d1；Wherein d0：In
The heart away from；d1：Fibre diameter；p：The volume and fiber-reinforced resin matrix compound material of fiber in fiber-reinforced resin matrix compound material
The ratio of volume.
4. a kind of drill bit for processing fiber-reinforced resin matrix compound material according to claim 1, its feature in：Institute
Multiple diamond particles or cubic boron nitride particle is stated to be set on the cutting edge using welding, plating or method for embedding.
5. a kind of drill bit for processing fiber-reinforced resin matrix compound material according to claim 1, its feature in：Institute
State cutting edge at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510576439.3A CN105215433B (en) | 2015-09-11 | 2015-09-11 | A kind of drill bit for processing fiber-reinforced resin matrix compound material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510576439.3A CN105215433B (en) | 2015-09-11 | 2015-09-11 | A kind of drill bit for processing fiber-reinforced resin matrix compound material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105215433A CN105215433A (en) | 2016-01-06 |
| CN105215433B true CN105215433B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0467114A1 (en) * | 1990-07-18 | 1992-01-22 | General Electric Company | CVD diamond coated twist drills |
| CN101282806A (en) * | 2005-08-02 | 2008-10-08 | 天窗工具有限公司 | Twist drill |
| CN101484263A (en) * | 2006-07-24 | 2009-07-15 | 钴碳化钨硬质合金公司 | Drill for machining fiber reinforced composite material |
| CN101670448A (en) * | 2009-09-16 | 2010-03-17 | 大连理工大学 | Method and device of disposing holes on carbon fiber composite material and meal material which are overlapped |
| CN102211218A (en) * | 2011-04-01 | 2011-10-12 | 上海祥仁新材料有限公司 | Diamond coated cutter and application thereof to processing of fiber composite material |
| CN202317169U (en) * | 2011-12-06 | 2012-07-11 | 芜湖中能机械制造有限公司 | Cutter of drill machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008000836A (en) * | 2006-06-21 | 2008-01-10 | Sumitomo Electric Hardmetal Corp | Drill |
| JP2010064173A (en) * | 2008-09-10 | 2010-03-25 | Covalent Materials Corp | Electrodeposition drill |
-
2015
- 2015-09-11 CN CN201510576439.3A patent/CN105215433B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0467114A1 (en) * | 1990-07-18 | 1992-01-22 | General Electric Company | CVD diamond coated twist drills |
| CN101282806A (en) * | 2005-08-02 | 2008-10-08 | 天窗工具有限公司 | Twist drill |
| CN101484263A (en) * | 2006-07-24 | 2009-07-15 | 钴碳化钨硬质合金公司 | Drill for machining fiber reinforced composite material |
| CN101670448A (en) * | 2009-09-16 | 2010-03-17 | 大连理工大学 | Method and device of disposing holes on carbon fiber composite material and meal material which are overlapped |
| CN102211218A (en) * | 2011-04-01 | 2011-10-12 | 上海祥仁新材料有限公司 | Diamond coated cutter and application thereof to processing of fiber composite material |
| CN202317169U (en) * | 2011-12-06 | 2012-07-11 | 芜湖中能机械制造有限公司 | Cutter of drill machine |
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| CN105215433A (en) | 2016-01-06 |
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