CN202606957U - Polycrystalline cubic boron nitride tool used for milling machining - Google Patents
Polycrystalline cubic boron nitride tool used for milling machining Download PDFInfo
- Publication number
- CN202606957U CN202606957U CN 201220247730 CN201220247730U CN202606957U CN 202606957 U CN202606957 U CN 202606957U CN 201220247730 CN201220247730 CN 201220247730 CN 201220247730 U CN201220247730 U CN 201220247730U CN 202606957 U CN202606957 U CN 202606957U
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- boron nitride
- cubic boron
- blade
- polycrystalline cubic
- cutter
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Abstract
The utility model discloses a polycrystalline cubic boron nitride tool used for milling machining. The polycrystalline cubic boron nitride tool comprises blades and a tool body, wherein the periphery of one end of the tool body is provided with at least two blades at intervals, and the middle of the tool body is provided with a clamping hole. The polycrystalline cubic boron nitride tool is simple in structure, low in production cost, high in machining efficiency, and high in intensity during a milling process, can alleviate impact and vibration during a machining process, and can effectively avoid tipping and tool shatter. The blades which are four in number are uniformly installed on the periphery of one end of the tool body at intervals, an integral blade is replaced with the four blades which are distributed uniformly, blade materials are saved, and production cost is reduced. Because the four blades can be interchanged to take part in cutting, tipping or shatter of one blade does not affect use of other blades, machining efficiency can be improved, service life of the polycrystalline cubic boron nitride tool is prolonged, and utilization rate of the blade materials is improved.
Description
Technical field
The utility model belongs to the Machining Technology for Cutting field, particularly a kind of polycrystalline cubic boron nitride cutter that is used for Milling Process.
Background technology
The polycrystalline cubic boron nitride cutter that Milling Process is used comprises blade and cutter hub two parts, and the material of blade is polycrystalline cubic boron nitride (PCBN), and the material of cutter hub is a carbide alloy.
At present, blade is a monoblock type, and it is weldingly fixed on the carbide alloy cutter hub, because the hardness of polycrystalline cubic boron nitride is high, the clamping hole difficulty of processing in the middle of the blade is big, and working (machining) efficiency is low.In addition, polycrystalline cubic boron nitride covers the cutter hub holostrome, and the blade production cost is high, because polycrystalline cubic boron nitride can not all be participated in cutting, causes the polycrystalline cubic boron nitride utilization rate low, and waste of material is serious, and use cost is high.
The utility model content
The utility model provide a kind of simple in structure, production cost is low, working (machining) efficiency is high and can effectively avoid the cutter tipping and the cracked polycrystalline cubic boron nitride cutter that is used for Milling Process.
For realizing above-mentioned purpose, the technical scheme of the utility model is: a kind of polycrystalline cubic boron nitride cutter that is used for Milling Process, comprise blade and cutter hub, and be intervally distributed with the two-edged blade at least on the said cutter hub one end circumference, the cutter hub middle part is provided with the clamping hole.
Said blade is four swords, and evenly is distributed on the cutter hub one end circumference.
Said blade comprises blade and matrix, and blade is bonded on the matrix.
Said clamping hole comprises the two sections diameter shoulder holes at two ends and the circular hole at middle part, and two sections diameter shoulder holes are connected by the circular hole transition.
Cutter relief angle on the said cutter hub is 6 °~10 °.
Compared with prior art, the utility model has the advantages that:
1, the utility model comprises blade and cutter hub, is intervally distributed with the two-edged blade at least on the said cutter hub one end circumference, and the cutter hub middle part is provided with the clamping hole; It is simple in structure; Production cost is low, and working (machining) efficiency is high, in working angles, has higher intensity; Can alleviate the impact and the vibrations that occur in the process, can effectively avoid tipping and cutter cracked.
2, blade is four swords; And evenly be distributed on the cutter hub one end circumference; Change the four angle of throat sheets that are uniformly distributed with into by the monoblock type blade, both can save blade material, reduce production costs, participate in cutting because four angle of throat sheets can exchange; One angle of throat sheet tipping or the cracked use that does not influence other blades can improve working (machining) efficiency, prolong cutter life and blade material utilization rate.
3, the clamping hole comprises the two sections diameter shoulder holes at two ends and the circular hole at middle part, and two sections diameter shoulder holes are connected by the circular hole transition, can strengthen the applying degree of clamping hole and screw, and raising is the clamping ability fixedly.
4, the cutter relief angle on the cutter hub is 6 °~10 °, to adapt to the shape of milling workpiece, guarantees cutter hub and workpiece mutually noninterfere in the milling process.
5, in the utility model; Because the polycrystalline cubic boron nitride blade has high rigidity, high thermal stability, high manufacturing accuracy; Be suitable for processing exceptional hardness, unmanageable workpiece, carbide alloy cutter hub intensity is good, weldability can be good, thereby can improve the cutting ability of cutter.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A-A cutaway view among Fig. 1.
The specific embodiment
Like Fig. 1, Fig. 2 and the polycrystalline cubic boron nitride cutter that is used for Milling Process shown in Figure 3; It comprises blade 1 and cutter hub 3; On an end circumference of cutter hub 3, evenly be intervally distributed with four angle of throat sheets 1; Blade 1 comprises blade 11 and matrix 12, and blade 11 is bonded on the matrix 12, and the circular arc size of blade 11 is confirmed according to processing work.Cutter relief angle α on the cutter hub 3 is 6 °~10 °, and cutter relief angle α gets 7 ° in this embodiment.Be provided with clamping hole 2 at the middle part of cutter hub 3, clamping hole 2 comprises that two sections diameter shoulder holes 21 at two ends and 22, two sections diameter shoulder holes 21 of circular hole at middle part are connected by circular hole 22 transition.
In this embodiment, the material of blade 1 is polycrystalline cubic boron nitride (PCBN), and the material of cutter hub 3 is a carbide alloy, specifically selects YG15 for use.
The preparation process of the utility model is: a, polycrystalline cubic boron nitride micro powder granule and metal fine powder add bonding agent and the compacting of matrix 12 high temperature or are sintered to one, carry out the blade 1 of turnning and milling grinding moulding required form; B, select YG15 to be processed into to have the cutter groove, satisfy how much cutter hubs 3 of surface roughness for use, begin clamping hole 2 at cutter hub 3 middle parts through methods such as mould compacting, grinding, line processing; C, the silver soldering of employing vacuum evenly are weldingly fixed on four angle of throat sheets 1 on the cutter hub 3 one end circumference at interval; D, process blade 1 sharpening, angle grinding-shaping, detection and whole the Performance Detection of cutter, qualified finished product warehouse-in.
Be not limited to above-mentioned embodiment, the quantity of blade 1 can be confirmed according to demand in the utility model, and 3 swords, 6 swords or 8 angle of throat sheets 1 also can be set.
Claims (5)
1. a polycrystalline cubic boron nitride cutter that is used for Milling Process comprises blade and cutter hub, it is characterized in that: be intervally distributed with the two-edged blade at least on the said cutter hub one end circumference, the cutter hub middle part is provided with the clamping hole.
2. the polycrystalline cubic boron nitride cutter that is used for Milling Process as claimed in claim 1 is characterized in that: said blade is four swords, and evenly is distributed on the cutter hub one end circumference.
3. according to claim 1 or claim 2 the polycrystalline cubic boron nitride cutter that is used for Milling Process, it is characterized in that: said blade comprises blade and matrix, and blade is bonded on the matrix.
4. the polycrystalline cubic boron nitride cutter that is used for Milling Process as claimed in claim 3 is characterized in that: said clamping hole comprises the two sections diameter shoulder holes at two ends and the circular hole at middle part, and two sections diameter shoulder holes are connected by the circular hole transition.
5. the polycrystalline cubic boron nitride cutter that is used for Milling Process as claimed in claim 4 is characterized in that: the cutter relief angle on the said cutter hub is 6 °~10 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220247730 CN202606957U (en) | 2012-05-30 | 2012-05-30 | Polycrystalline cubic boron nitride tool used for milling machining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220247730 CN202606957U (en) | 2012-05-30 | 2012-05-30 | Polycrystalline cubic boron nitride tool used for milling machining |
Publications (1)
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CN202606957U true CN202606957U (en) | 2012-12-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220247730 Expired - Fee Related CN202606957U (en) | 2012-05-30 | 2012-05-30 | Polycrystalline cubic boron nitride tool used for milling machining |
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CN (1) | CN202606957U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106393452A (en) * | 2015-07-31 | 2017-02-15 | 三星钻石工业株式会社 | Cutter wheel |
CN108656261A (en) * | 2018-05-09 | 2018-10-16 | 绵阳肯拉刀具有限公司 | A kind of Disposable cutting blade |
-
2012
- 2012-05-30 CN CN 201220247730 patent/CN202606957U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106393452A (en) * | 2015-07-31 | 2017-02-15 | 三星钻石工业株式会社 | Cutter wheel |
TWI718156B (en) * | 2015-07-31 | 2021-02-11 | 日商三星鑽石工業股份有限公司 | Knife wheel |
CN108656261A (en) * | 2018-05-09 | 2018-10-16 | 绵阳肯拉刀具有限公司 | A kind of Disposable cutting blade |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20150530 |
|
EXPY | Termination of patent right or utility model |