CN104985209A - Superhard structure tool for numerical control equipment - Google Patents
Superhard structure tool for numerical control equipment Download PDFInfo
- Publication number
- CN104985209A CN104985209A CN201510484483.1A CN201510484483A CN104985209A CN 104985209 A CN104985209 A CN 104985209A CN 201510484483 A CN201510484483 A CN 201510484483A CN 104985209 A CN104985209 A CN 104985209A
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- CN
- China
- Prior art keywords
- numerical control
- control device
- cutter
- control equipment
- superhard construction
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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
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
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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
- B23C—MILLING
- B23C5/00—Milling-cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D43/00—Broaching tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a superhard structure tool for numerical control equipment. The superhard structure tool for the numerical control equipment is formed by combining coated cemented carbide, whiteware and high-silicon aluminum alloy. The coated cemented carbide is titanium nitride based cemented carbide. The coated cemented carbide accounts for 70%-78% of the total weight of the superhard structure tool for the numerical control equipment, the whiteware accounts for 15%-18% of the total weight of the superhard structure tool for the numerical control equipment, and the high-silicon aluminum alloy accounts for 6%-13% of the total weight of the superhard structure tool for the numerical control equipment. The superhard structure tool for the numerical control equipment has the advantages of good forging performance, good heat treatment performance and good welding performance.
Description
Technical field
The present invention relates to a kind of superhard construction cutter for numerical control device.
Background technology
Along with the development of new technology revolution, require improve constantly machining productivity ratio and reduce production cost., the particularly development of Digit Control Machine Tool, requires the new-type cutter that exploitation is higher than hard alloy cutter cutting speed, more wear-resisting.A few days ago various high strength, high rigidity, corrosion-resistant, wear-resisting and resistant to elevated temperatures be difficult to cut new material increasing.Estimate according to document, this kind of material oneself account for and process more than 50% of sum in the world., hard alloy cutter to the difficult processing of wherein many new materials with competent.On the other hand, now in the world carbide alloy output oneself reach 20 000-25 000 t.The metal that annual consumption is a large amount of, as W, Co, Ta and Nb etc.The mineral resources of these metals reduce just day by day, rise in price, press depletion rate a few days ago, have more than is needed decades. and some resource will exhaust.Sintex is exactly grow up in this context.
As far back as 1912-1913. Britain and Germany oneself there is alumina tool, but its application on producing then starts from nineteen fifty.Because its intensity, toughness are low, are only limitted to do continuous cutting fine finishining in the long term and use., and cutting speed and the amount of feeding are all lower.Until 2nd generation sintex-composite alumina cutter just appears in nineteen sixty-eight, intensity and toughness are significantly improved than aluminum oxide tool, various workpiece can be cut under higher speed and the larger amount of feeding. obtain and apply more widely.
Late 1970s to the beginning of the eighties world occurred the 3rd generation sintex-Silicon Nitride Ceramic Cutter.This kind of Stupalox has toughness, impact resistance, elevated temperature strength and the thermal shock resistance higher than composite alumina cutter.Ceramic tip is very fast in the increase of production of each industrially developed country.
China starts to produce composite alumina blade in batches in the sixties in 20th century, and current year output is 14-15 ten thousand.Though silicon oxide ceramics blade just begins one's study in 20 century 70s, due to poor performance, can not satisfy the demands.In recent years, along with deepening continuously to high-temperature structural ceramics area research, make the performance of silicon nitride ceramics have large increase, thus Silicon Nitride Ceramic Cutter is developed rapidly in China.
Summary of the invention
The invention provides a kind of superhard construction cutter for numerical control device with good forgeability, heat treatment performance, welding performance advantage.
Technical scheme of the present invention is: a kind of superhard construction cutter for numerical control device, the described superhard construction cutter for numerical control device passes through coated carbides, whiteware and silumin combine, described coated carbides is titanium nitride base cemented carbide, described coated carbides occupies the 70%-78% of the overall component of superhard construction cutter of numerical control device, described whiteware occupies the 15%-18% of the overall component of superhard construction cutter of numerical control device, described silumin occupies the 6%-13% of the overall component of superhard construction cutter of numerical control device.
In a preferred embodiment of the present invention, described whiteware comprises pure alumina.
In a preferred embodiment of the present invention, described coated carbides occupies 74% of the overall component of superhard construction cutter of numerical control device, described whiteware occupies 17% of the overall component of superhard construction cutter of numerical control device, and described silumin occupies 9% of the overall component of superhard construction cutter of numerical control device.
A kind of superhard construction cutter for numerical control device of the present invention, has the advantage of good forgeability, heat treatment performance, welding performance.
Detailed description of the invention
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Wherein, the described superhard construction cutter for numerical control device is combined by coated carbides, whiteware and silumin, described coated carbides is titanium nitride base cemented carbide, described coated carbides occupies the 70%-78% of the overall component of superhard construction cutter of numerical control device, described whiteware occupies the 15%-18% of the overall component of superhard construction cutter of numerical control device, and described silumin occupies the 6%-13% of the overall component of superhard construction cutter of numerical control device.
Further illustrate, described whiteware comprises pure alumina, described coated carbides occupies 74% of the overall component of superhard construction cutter of numerical control device, described whiteware occupies 17% of the overall component of superhard construction cutter of numerical control device, and described silumin occupies 9% of the overall component of superhard construction cutter of numerical control device.
Further illustrating, cutting tool coated with hard alloy is in intensity and the good cemented carbide substrate surfaces of toughness, utilizes CVD method to apply the good refractory metal of skim wearability or nonmetallic compound (also can be coated on the superhard material blades such as pottery, high-speed steel, diamond and cubic boron nitride) and obtains.Coating, as a chemical barrier and thermodynamic barrier, decreases the diffusion between cutter and workpiece and chemical reaction, thus decreases crescent wearing and tearing.The characteristics such as cutting tool coated with hard alloy has that case hardness is high, wearability good, stable chemical performance, heat-resistant oxidized, friction factor is little and thermal conductivity is low, during cutting, comparable non-coated tool improves cutter life more than 3 ~ 5 times, improve cutting speed 20% ~ 70%, improve machining accuracy 0.5 ~ 1 grade, reduce cutter consumption costs 20% ~ 50%.Therefore, coated cutting tool has become the mark of modern cutting tools, and the usage ratio in cutter is more than 50%.At present, the various cutters used in machining, comprise lathe tool, boring cutter, drill bit, reamer, broaching tool, screw tap, chaser, milled head, milling cutter, forming tool, gear hob and pinion cutter etc. and coating process all can be adopted to improve their serviceability.
Further illustrating, when the silicone content of silumin is lower (such as 0.7), the ductility of alusil alloy is better, is commonly used to do deforming alloy; When silicone content is higher (such as 7%), the fillibility of Al-Si alloy melt is better, is commonly used to do casting alloy.In the alusil alloy of silicon content more than Al-Si eutectic point (silicon 12.6%), the granule content of silicon up to 14.5% ~ 25% time, then add the elements such as a certain amount of Ni, CU, Mg and can improve its comprehensive mechanical property.They can be used for replacing in automobile engine cast iron cylinder and obviously weight reduction.As the alusil alloy of cylinder, can be passed through electrochemical treatments and retain the primary silicon particle being embedded in matrix with etch top layer aluminium at the inside wall of cylinder, its anti-scuffing function and abrasion resistance are obviously to improve.Wherein the alloy of silicon content 11% ~ 13% becomes one of best piston material with features such as its light weight, low-expansion coefficient and high corrosion resistances.In the alusil alloy of silicon content more than Al-Si eutectic point (silicon 11.7%), the particle of silicon can significantly improve the wearability of alloy, forms the antifriction alloy that a class is had many uses.The alloy of silicon content 11% ~ 13% becomes one of piston material of the best with features such as its light weight, low-expansion coefficient and high corrosion resistances.In metallic aluminium, add relevant nonmetal raw material can be that the physical attribute of aluminium changes.The invention provides a kind of superhard construction cutter for numerical control device, there is the advantage of good forgeability, heat treatment performance, welding performance.
The specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention, and the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (3)
1. the superhard construction cutter for numerical control device, it is characterized in that: the described superhard construction cutter for numerical control device is combined by coated carbides, whiteware and silumin, described coated carbides is titanium nitride base cemented carbide, described coated carbides occupies the 70%-78% of the overall component of superhard construction cutter of numerical control device, described whiteware occupies the 15%-18% of the overall component of superhard construction cutter of numerical control device, and described silumin occupies the 6%-13% of the overall component of superhard construction cutter of numerical control device.
2. the superhard construction cutter for numerical control device according to claim 1, is characterized in that: described whiteware comprises pure alumina.
3. the superhard construction cutter for numerical control device according to claim 1, it is characterized in that: described coated carbides occupies 74% of the overall component of superhard construction cutter of numerical control device, described whiteware occupies 17% of the overall component of superhard construction cutter of numerical control device, and described silumin occupies 9% of the overall component of superhard construction cutter of numerical control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484483.1A CN104985209A (en) | 2015-08-10 | 2015-08-10 | Superhard structure tool for numerical control equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484483.1A CN104985209A (en) | 2015-08-10 | 2015-08-10 | Superhard structure tool for numerical control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104985209A true CN104985209A (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510484483.1A Pending CN104985209A (en) | 2015-08-10 | 2015-08-10 | Superhard structure tool for numerical control equipment |
Country Status (1)
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| CN (1) | CN104985209A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121537A (en) * | 1994-05-31 | 1996-05-01 | 三菱麻铁里亚尔株式会社 | Coated hard alloy blade member |
| EP1174528A2 (en) * | 2000-07-13 | 2002-01-23 | Hitachi Tool Engineering Ltd. | Multilayer-coated cutting tool |
| CN101234543A (en) * | 2007-02-01 | 2008-08-06 | 山高刀具公司 | Improved alumina coating grade |
| CN101396893A (en) * | 2007-09-26 | 2009-04-01 | 森拉天时奥地利有限公司 | Tool for mechanical machining |
-
2015
- 2015-08-10 CN CN201510484483.1A patent/CN104985209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121537A (en) * | 1994-05-31 | 1996-05-01 | 三菱麻铁里亚尔株式会社 | Coated hard alloy blade member |
| EP1174528A2 (en) * | 2000-07-13 | 2002-01-23 | Hitachi Tool Engineering Ltd. | Multilayer-coated cutting tool |
| EP1174528A3 (en) * | 2000-07-13 | 2004-05-06 | Hitachi Tool Engineering Ltd. | Multilayer-coated cutting tool |
| CN101234543A (en) * | 2007-02-01 | 2008-08-06 | 山高刀具公司 | Improved alumina coating grade |
| CN101396893A (en) * | 2007-09-26 | 2009-04-01 | 森拉天时奥地利有限公司 | Tool for mechanical machining |
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Application publication date: 20151021 |