CN105458353A - Diamond-electroplated tool for drilling of fiber reinforced composite material - Google Patents
Diamond-electroplated tool for drilling of fiber reinforced composite material Download PDFInfo
- Publication number
- CN105458353A CN105458353A CN201510934587.8A CN201510934587A CN105458353A CN 105458353 A CN105458353 A CN 105458353A CN 201510934587 A CN201510934587 A CN 201510934587A CN 105458353 A CN105458353 A CN 105458353A
- Authority
- CN
- China
- Prior art keywords
- tool
- face
- cutting portion
- chip area
- cutter head
- 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.)
- Granted
Links
Classifications
-
- 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
- B23B2226/27—Composites
-
- 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
- B23B2226/31—Diamond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/10—Coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/20—Number of cutting edges
- B23B2251/202—Three cutting edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention discloses a diamond-electroplated tool for drilling of a fiber reinforced composite material. The diamond-electroplated tool comprises a cylindrical tool rod. A tool bit with the surface electroplated with diamond particles is arranged at the front end of the tool rod. The tool bit comprises a plurality of cutting parts and a plurality of chip discharge grooves. The cutting parts and the chip discharge grooves are evenly distributed in the radial direction and arranged in a staggered manner in the circumferential direction. The outer surfaces of all the cutting parts are part of the same cylindrical face. The cutting parts are located at the front end of the tool bit, and the length of the chip discharge grooves is equal to that of the tool bit. Each cutting part comprises a rear tool face and a front tool face. The rear tool faces coincide with the end face where all the cutting parts are located. The front tool faces and one side faces of the chip discharge grooves are coplanar. The normal direction of the front tool faces is consistent with the rotating linear speed direction of the tool bit. Arc main cutting edges are arranged at the cross positions of the front tool faces and the rear tool faces. A plurality of chip pre-storage grooves communicated with the chip discharge grooves are formed in the center of the end of the tool bit. According to the tool, the phenomenon that in the prior art, during drilling machining of a fiber reinforced composite material, layering, tearing, burrs and the like are likely to occur can be eliminated.
Description
Technical field
The present invention relates to a kind of drilling tool, be specifically related to the electroplated diamond cutter for fibre reinforced composites boring.
Background technology
Composite refers to the material combined by different way by two or more different material, it has that quality is light, specific strength is high, specific stiffness is large, vibration damping and the plurality of advantages such as anti-fatigue performance is good, corrosion-resistant, is widely used in the fields such as Aero-Space, communications and transportation, biologic medical and sports goods.Along with developing rapidly and increasingly extensive application of composite, the shaping and processing of composite product also becomes more and more important.Boring is one of most important manufacturing procedure in composite material manufacturing process, because composite has the features such as hardness is high, intensity large, poor thermal conductivity, anisotropy, interlaminar strength are low, easily occur tearing in boring procedure, the problem such as burr and layering, workpiece surface quality is caused to decline, again due to anisotropic existence, friction generates heat for cutter and surface of the work, and cutting force is very large, and tool wear is serious
[1 ~ 3].
A lot of research is done to fibre reinforced composites drilling tool both at home and abroad, be mainly concerned with the design of optimization cutter structure, adopt the popular domain such as advanced cutter material, newly-increased surface-coating technology.Wherein fibre reinforced composites drilling tool material with carbide alloy, polycrystalline diamond and both be combined into master.Hard alloy cutter can form various geometry by sharpening, thus prevents layering and fast shut-off fiber, but the wear resistance of hard alloy cutter is not enough, and cutting edge wearing and tearing passivation will cause drilling Quality Down.Polycrystal diamond cutter, after integral sintered with carbide alloy, then carries out sharpening, can obtain the cutting edge of high rigidity and high strength, thus cut staple well, but polycrystal diamond cutter shock resistance is poor, easily produces tipping.Coat diamond coatings at carbide tool surface and can well improve the intensity of cutter, hardness and wearability, obtain low coefficient of friction simultaneously, and then improve machined surface quality and reduce the generation of various defect.Other the research in change cutter structure, as the improvement optimal design etc. to tool nose sword and blade type, although decrease the generation of the various defect of finished surface and improve machined surface quality, the aspects such as the wear resistance of cutter and service life can not well be improved
[4].
Bibliography:
[1] Zhang Houjiang, Chen Wuyi, Chen Dingchang; Drilling processing [J] of fiber reinforcement based composites. New Technologies, 1998.
[2] Wei Wei, Wei Hongjin; Fiber reinforcement based composites high-quality drill process [J]. Nanjing Aero-Space University's journal, 2009.
[3] Cui Xiliang, Tian Biao, Wang Yongguo; The defect analysis [J] of fiber reinforcement based composites Drilling operation. electromechanical engineering, 2013.
[4] bright big, Wang Changying, Chen Ming; Fibre reinforced composites drilling cutting-tool engineering progress [J]. aero-manufacturing technology, 2013.
Summary of the invention
The object of the present invention is to provide a kind of electroplated diamond cutter for fibre reinforced composites boring, fibre reinforced composites Drilling operation in prior art can be solved and easily occur layering, tear the technical problem with the phenomenon such as burr.
In order to solve the problems of the technologies described above, the invention provides a kind of electroplated diamond cutter for fibre reinforced composites boring, comprise cylindrical knife bar, the front end of described knife bar is provided with the cutter head that surface electrical is coated with diamond particles, described cutter head comprises multiple cutting portion of radial equipartition and multiple chip area, cutting portion and chip area are according to circumferential interlaced arrangement, and the outer surface of all cutting portions is the part on the same face of cylinder; Cutting portion is positioned at the front end of cutter head, described chip area and cutter head isometric; Each cutting portion comprises rear knife face and rake face; Described rear knife face overlaps with the end face of place cutting portion; A side of described rake face and chip area is coplanar, and the normal direction of described rake face is consistent with cutter head linear velocity direction; The infall of described rake face and described rear knife face is the main cutting edge of circular arc; The central position of cutter head end is provided with the prestore bits groove through with multiple chip area.
Wherein, the number of described cutting portion and chip area 7 is three, and the shape of cross section of each cutting portion is 120 respectively
dsector.Angle between the end face of described cutting portion and the axial direction of knife bar is-70 ° ~+70 °, is preferably 90 °.
Compared with prior art, the invention has the beneficial effects as follows:
(1) cutter head of the present invention has multiple equally distributed fan-shaped cutting portion, uses this cutter to carry out boring (holes drilled through) processing of fibre reinforced composites, can improve drilling efficiency;
(2) because two sides of each cutting portion in cutter head front end can with the direction of rotation of cutter respectively as rake face, namely each cutting portion all has two main cutting edges, adds cutting-tool's used life;
(3) adopt the bits groove that prestores to connect multiple chip area, reduce cutting force, increase chip removal and heat-sinking capability, extend cutting-tool's used life further;
(4) for whole tool bit part, diamond particles on plated surface, effectively adds the intensity of cutter, hardness, wearability, reduce to rub simultaneously and examine coefficient, thus improve machined surface quality, reduce the generation of manufacturing deficiency, improve cutting-tool's used life simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of the electroplated diamond cutter that the present invention holes for fibre reinforced composites;
Fig. 2 is the left view of electroplated diamond cutter shown in Fig. 1;
Fig. 3 is the stereo profile schematic diagram of electroplated diamond cutter of the present invention;
Fig. 4 is the shaft side figure of electroplated diamond cutter shown in Fig. 3.
In figure: 1-cutter head, 2-guide rod, knife face after 3-, 4-main cutting edge, 5-rake face, 6-prestores bits groove, 7-chip area, 8-diamond particles.
Detailed description of the invention
Be described in further detail technical solution of the present invention below in conjunction with the drawings and specific embodiments, described specific embodiment only explains the present invention, not in order to limit the present invention.
As depicted in figs. 1 and 2, a kind of electroplated diamond cutter for fibre reinforced composites boring of the present invention, comprise cylindrical knife bar 2, the front end of described knife bar 2 is provided with the cutter head 1 that surface electrical is coated with diamond particles 8, the length of cutter head 1 can be 15 ~ 25mm, described cutter head 1 comprises multiple cutting portion and multiple chip area 7 of radial equipartition, cutting portion and chip area 7 are according to circumferential interlaced arrangement, the outer surface of all cutting portions is the part on the same face of cylinder, the shape of cross section of each cutting portion is sector, the quantity of fan-shaped cutting portion is preferably 3 or 4, cutting portion is positioned at the front end of cutter head, and described chip area 7 is isometric with cutter head, and the width of chip area can be 1.5 ~ 2.5mm, and the degree of depth of chip area 7 can be 1.5 ~ 2.5mm, each cutting portion comprises rear knife face 3 and rake face 5, described rear knife face 3 overlaps with the end face of place cutting portion, and the angle between the end face of described cutting portion and the axial direction of knife bar is-70 ° ~+70 °, is preferably 90 °, and namely, the inclination angle of knife face 3 can be-20
d~ 20
d.
Described rake face 5 is coplanar with a side of chip area 7, the normal direction of described rake face 5 is consistent with cutter head linear velocity direction, also two sides being namely positioned at the cutting portion of cutter head front end are when forward and backward as rake face respectively, and described rake face 5 and the infall of described rear knife face 3 are the main cutting edge 4 of circular arc; The central position of cutter head end is provided with considers groove 6 to be worth doing with through the prestoring of multiple chip area 7, and the bits groove 6 that namely prestores is for connecting all chip areas 7, and the degree of depth of the bits groove 6 that prestores can be 1.5 ~ 2.5mm
As shown in Figure 3, the major parameter of electroplated diamond cutter of the present invention is as follows:
The length 15mm of cutter head 1; The number of described cutting portion and chip area 7 is three, and 3 cross sections that are circumferentially uniformly distributed around cutter head are fan-shaped cutting portion, is eachly fan-shapedly 120
dsector; The width of chip area is 2mm, and the degree of depth of chip area 7 is 1.5mm; The degree of depth of considering groove 6 to be worth doing that prestores can be 1.5mm; The radius of corner of main cutting edge 4 is 0.5mm; The inclination angle of rear knife face 3 is 0
d.
The basic material of cutter of the present invention elects metal material as, and as selected No. 45 steel, diamond particles 8 on plated surface again after modified and surface hardening process, cutter hardness of the present invention is high, intensity large, good heat resistance and the advantage such as drilling performance is good.
Although invention has been described by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; when not departing from present inventive concept, can also make a lot of distortion, these all belong within protection of the present invention.
Claims (4)
1., for an electroplated diamond cutter for fibre reinforced composites boring, comprise cylindrical knife bar (2), it is characterized in that:
The front end of described knife bar (2) is provided with the cutter head (1) that surface electrical is coated with diamond particles (8),
Described cutter head (1) comprises multiple cutting portion and multiple chip area (7) of radial equipartition, and cutting portion and chip area (7) are according to circumferential interlaced arrangement, and the outer surface of all cutting portions is the part on the same face of cylinder; Cutting portion is positioned at the front end of cutter head, and described chip area (7) is isometric with cutter head;
Each cutting portion comprises rear knife face (3) and rake face (5);
Described rear knife face (3) overlaps with the end face of place cutting portion;
Described rake face (5) is coplanar with a side of chip area (7), and the normal direction of described rake face (5) is consistent with cutter head linear velocity direction;
Described rake face (5) and the infall of described rear knife face (3) are the main cutting edge (4) of circular arc;
The central position of cutter head end is provided with considers groove (6) to be worth doing with through the prestoring of multiple chip area (7).
2. according to claim 1 for the electroplated diamond cutter of fibre reinforced composites boring, it is characterized in that: the number of described cutting portion and chip area (7) is three, the shape of cross section of each cutting portion is the sector of 120 ° respectively.
3. according to claim 1 or 2 for fibre reinforced composites boring electroplated diamond cutter, it is characterized in that: the angle between the end face of described cutting portion and the axial direction of knife bar is-70 ° ~+70 °.
4., according to claim 3 for the electroplated diamond cutter of fibre reinforced composites boring, it is characterized in that: the end face of described cutting portion and the axial vertical of knife bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510934587.8A CN105458353B (en) | 2015-12-15 | 2015-12-15 | A kind of electroplated diamond cutter for fibre reinforced composites drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510934587.8A CN105458353B (en) | 2015-12-15 | 2015-12-15 | A kind of electroplated diamond cutter for fibre reinforced composites drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105458353A true CN105458353A (en) | 2016-04-06 |
| CN105458353B CN105458353B (en) | 2018-12-11 |
Family
ID=55596755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510934587.8A Expired - Fee Related CN105458353B (en) | 2015-12-15 | 2015-12-15 | A kind of electroplated diamond cutter for fibre reinforced composites drilling |
Country Status (1)
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|---|---|
| CN (1) | CN105458353B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08141813A (en) * | 1994-11-22 | 1996-06-04 | Mitsubishi Materials Corp | Drill |
| CN1212643A (en) * | 1996-02-29 | 1999-03-31 | 彗星罗伯特布朗宁精密刀具有限公司 | Drilling tool for machine tool and method of producing the same |
| JP2009039811A (en) * | 2007-08-08 | 2009-02-26 | Kumamoto Univ | Tool and method for drilling hole in fiber-reinforced composite material |
| CN102764910A (en) * | 2011-05-03 | 2012-11-07 | 富泰华工业（深圳）有限公司 | Formed cutter |
| CN203197323U (en) * | 2013-02-06 | 2013-09-18 | 哈尔滨理工大学 | Brazed-structure diamond drill bit for carbon fiber reinforced composite material |
| CN203664783U (en) * | 2013-11-18 | 2014-06-25 | 河南富耐克超硬材料股份有限公司 | End mill |
| CN205254195U (en) * | 2015-12-15 | 2016-05-25 | 中国民航大学 | A electrodeposited diamond cutter for drilling of fibre reinforced composite |
-
2015
- 2015-12-15 CN CN201510934587.8A patent/CN105458353B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08141813A (en) * | 1994-11-22 | 1996-06-04 | Mitsubishi Materials Corp | Drill |
| CN1212643A (en) * | 1996-02-29 | 1999-03-31 | 彗星罗伯特布朗宁精密刀具有限公司 | Drilling tool for machine tool and method of producing the same |
| JP2009039811A (en) * | 2007-08-08 | 2009-02-26 | Kumamoto Univ | Tool and method for drilling hole in fiber-reinforced composite material |
| CN102764910A (en) * | 2011-05-03 | 2012-11-07 | 富泰华工业（深圳）有限公司 | Formed cutter |
| CN203197323U (en) * | 2013-02-06 | 2013-09-18 | 哈尔滨理工大学 | Brazed-structure diamond drill bit for carbon fiber reinforced composite material |
| CN203664783U (en) * | 2013-11-18 | 2014-06-25 | 河南富耐克超硬材料股份有限公司 | End mill |
| CN205254195U (en) * | 2015-12-15 | 2016-05-25 | 中国民航大学 | A electrodeposited diamond cutter for drilling of fibre reinforced composite |
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| Publication number | Publication date |
|---|---|
| CN105458353B (en) | 2018-12-11 |
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Granted publication date: 20181211 Termination date: 20191215 |
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