CN105014133A - Milling cutter for abrasive wheel cutting machine - Google Patents
Milling cutter for abrasive wheel cutting machine Download PDFInfo
- Publication number
- CN105014133A CN105014133A CN201510485030.0A CN201510485030A CN105014133A CN 105014133 A CN105014133 A CN 105014133A CN 201510485030 A CN201510485030 A CN 201510485030A CN 105014133 A CN105014133 A CN 105014133A
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- CN
- China
- Prior art keywords
- milling cutter
- cutting machine
- abrasive wheel
- wheel cutting
- steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a milling cutter for an abrasive wheel cutting machine. The milling cutter for the abrasive wheel cutting machine is formed by combining titanium alloy, white graphite and unalloyed steel. The white graphite comprises boron nitride, borax and ammonium chloride. The titanium alloy accounts for 3%-4% of the total weight of the milling cutter for the abrasive wheel cutting machine. The white graphite accounts for 73%-84% of the total weight of the milling cutter for the abrasive wheel cutting machine. The unalloyed steel accounts for 10%-25% of the total weight of the milling cutter for the abrasive wheel cutting machine. The milling cutter for the abrasive wheel cutting machine has the beneficial effects of being high in hardness and tenacity and low in price.
Description
Technical field
The present invention relates to a kind of milling cutter for abrasive wheel cutting machine.
Background technology
Germany just started and studied the security technique of high-speed milling cutter early 1990s, and worked out DIN6589-1 " safety requirements of high-speed milling cutter " draft standard, define test method and the standard of high-speed milling cutter inefficacy, the guiding suggestion propose high-speed milling cutter design technically, manufacturing and use, defines unified safety examination method.This draft standard has become the directive document of various countries' high-speed milling cutter security.
Draft standard defines the speed envelope of high-speed cutting, and after exceeding this speed, centrifugal force will become the Main Load of milling cutter, must adopt safe practice.In tool diameter and high-speed cutting scale relationships figure, the above region of curve is the high-speed cutting scope that milling cutter that this standard specifies has to pass through safety verification: for the single-piece cutter (overall or brazed shank tool) of diameter d 1≤32mm, its cutting speed is high-speed cutting scope more than 10000m/mm; For the assembled mechanical clamped cutting tool of diameter d 1>32mm, high-speed cutting scope is the above region of line segment BC.
The Safe Failure form of high-speed milling cutter has two kinds: be out of shape and break.The safety test method of dissimilar milling cutter is also different.For machine clip variable-position milling cutter, there are two kinds of safety test methods: a kind of method tests under 1.6 times of maximum use rotating speeds, and the permanent deformation of cutter or the displacement of part are no more than 0.05mm; Another kind method tests under maximum use rotating speed at 2 times, cutter does not break (screw comprising clamping blade is cut off, blade or other clamping elements are flown by getting rid of, the explosion etc. of cutter hub).And for monoblock type milling cutter, then must 2 times under maximum use speed conditions test and do not bend or rupture.
Summary of the invention
The invention provides one, to have hardness high, the milling cutter for abrasive wheel cutting machine of the strong and cheap advantage of toughness.
Technical scheme of the present invention is: a kind of milling cutter for abrasive wheel cutting machine, the described milling cutter for abrasive wheel cutting machine is combined by titanium alloy, white graphite and non-alloyed steel, described white graphite comprises boron nitride, borax and ammonium chloride, described titanium alloy occupies the 3%-4% of the overall component of milling cutter of abrasive wheel cutting machine, described white graphite occupies the 73%-84% of the overall component of milling cutter of abrasive wheel cutting machine, and described non-alloyed steel occupies the 10%-25% of the overall component of milling cutter of abrasive wheel cutting machine.
In a preferred embodiment of the present invention, described non-alloyed steel is carbon tool steel.
In a preferred embodiment of the present invention, described titanium alloy occupies 3% of the overall component of milling cutter of abrasive wheel cutting machine, described white graphite occupies 78% of the overall component of milling cutter of abrasive wheel cutting machine, and described non-alloyed steel occupies 19% of the overall component of milling cutter of abrasive wheel cutting machine.
A kind of milling cutter for abrasive wheel cutting machine of the present invention, has hardness high, the advantage that toughness is strong and cheap.
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 milling cutter for abrasive wheel cutting machine is combined by titanium alloy, white graphite and non-alloyed steel, described white graphite comprises boron nitride, borax and ammonium chloride, described titanium alloy occupies the 3%-4% of the overall component of milling cutter of abrasive wheel cutting machine, described white graphite occupies the 73%-84% of the overall component of milling cutter of abrasive wheel cutting machine, described non-alloyed steel occupies the 10%-25% of the overall component of milling cutter of abrasive wheel cutting machine
Further illustrate, described non-alloyed steel is carbon tool steel, described titanium alloy occupies 3% of the overall component of milling cutter of abrasive wheel cutting machine, described white graphite occupies 78% of the overall component of milling cutter of abrasive wheel cutting machine, and described non-alloyed steel occupies 19% of the overall component of milling cutter of abrasive wheel cutting machine.
Further illustrating, white graphite crystal formation: (1) six square boron nitride (with graphite-phase picture, also known as graphite mould boron nitride, white graphite).Relative density 2.25.Mohs' hardness about 2.For white powder, under high pressure about 3000 DEG C of meltings.There is good electrical insulating property, thermal conductivity, corrosion resistance and good lubricity.Chemical stability is better, under normal temperature not with water, acid and alkali reaction.Boil altogether to be slowly hydrolyzed with water and generate boric acid and ammonia.Dense with heat or molten caustic soda and heat chlorine reacts.Can resistance to 2000 DEG C of high temperature.There is very strong electron-withdrawing power.Available borax and ammonium chloride heat obtained in ammonia flow.(2) cubic boron nitride (diamond-type).For black or brown granular crystal.Relative density 3.48.Fusing point 3000 DEG C.Hardness is suitable with diamond.Stable at high temperature is better than diamond.Boron and nitrogen directly can synthesize under high temperature, condition of high voltage.Purposes: boron nitride is mainly used in refractory material, semiconductor solid phase doped source, the structural material of atomic reactor, the packaging material of anti-neutron irradiation, rocket engine composition material, high-temperature lubricant and releasing agent.Can be used as Inorganic synthese engineering material with the fiber of boron nitride processing, be widely used in aerospace, national defense industry.Cubic boron nitride also can be used as deep-well drill bit, high-speed cutting instrument.
Further illustrating, carbon tool steel production cost is lower, and raw material sources is convenient; Be easy to hot and cold processing, quite high hardness can be obtained after heat treatment; When work is heated not high, wearability is also better, is thus used widely.Wherein, high-duty cast carbon, C toughness of steel is higher, can obtain higher fineness during grinding, the instrument that suitable manufacture is complex-shaped, precision is higher.But this kind of steel red hardness is poor, operating temperature more than 250 DEG C after, hardness and wearability decline rapidly.This kind of steel hardenability is low, when instrument cross dimensions is greater than 15mm, only has superficial layer to obtain high hardness, therefore can not make large-sized instrument after shrend.This kind of steel hardening heat narrow range, easily overheated, distortion during quenching, tearing tendency greatly, and easily produce soft spots.Compared with alloy tool steel, this type of steel hardenability is low, and in water, through hardening diameter is 15mm, and through hardening diameter is only 5mm in oil.In addition, the thermohardening of this type of steel is low, operating temperature sharply declines higher than the hardness of steel when 250 DEG C and wearability, thus the cutting power of steel significantly reduces, the instrument that manufactured size is little, simple shape, cutting speed are low, the depth of cut is little, operating temperature is not high so this type of steel is only suitable for.The carbon content scope of this type of steel is 0.65% ~ 1.35%.8 trade mark carbon tool steels are had in CNS GB1298-77.The T7 steel that wherein carbon content is lower has good toughness, but wearability is not high, is suitable for the instrument making cutlery and the load that withstands shocks cutting soft material, as wood working tool, reaping hook, chisel, hammer etc.T8 steel has good toughness and higher hardness, is suitable for making drift, scissors, also can make wood working tool.The T8Mn steel hardenability that Fe content is higher is better, is suitable for making the larger wood working tool of fracture, colliery cutter, chisel for stonework and requirement and is out of shape little hand saw blade, band file.T10 steel wearability is better, range of application is wider, be suitable for making poor, the wearability of machining condition and require higher metal-cutting machine tool, and cold-punching mold and survey tool, as lathe tool, planing tool, milling cutter, screw plate, wire drawing die, rag chisel, slide calliper rule and feeler gauge etc.T12 steel hardness is high, wearability good, but toughness is low, may be used for making not being hit, and requires hardness is high, wearability is good cutting element and survey tool, as scraper, drill bit, reamer, reamer, screw tap, screw die and micrometer etc.T13 steel is the steel grade that in carbon tool steel, carbon content is the highest, its extreme hardness, but toughness is low, and can not withstand shocks load, only be suitable for the instrument making cutlery and the processing solid rock cutting high hardness material, as file, icking tool, wire-drawing die, engraving tool etc.The invention provides a kind of milling cutter for abrasive wheel cutting machine, there is hardness high, the advantage that toughness is strong and cheap.
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 milling cutter for abrasive wheel cutting machine, it is characterized in that: the described milling cutter for abrasive wheel cutting machine is combined by titanium alloy, white graphite and non-alloyed steel, described white graphite comprises boron nitride, borax and ammonium chloride, described titanium alloy occupies the 3%-4% of the overall component of milling cutter of abrasive wheel cutting machine, described white graphite occupies the 73%-84% of the overall component of milling cutter of abrasive wheel cutting machine, and described non-alloyed steel occupies the 10%-25% of the overall component of milling cutter of abrasive wheel cutting machine.
2. the milling cutter for abrasive wheel cutting machine according to claim 1, is characterized in that: described non-alloyed steel is carbon tool steel.
3. the milling cutter for abrasive wheel cutting machine according to claim 1, it is characterized in that: described titanium alloy occupies 3% of the overall component of milling cutter of abrasive wheel cutting machine, described white graphite occupies 78% of the overall component of milling cutter of abrasive wheel cutting machine, and described non-alloyed steel occupies 19% of the overall component of milling cutter of abrasive wheel cutting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485030.0A CN105014133A (en) | 2015-08-10 | 2015-08-10 | Milling cutter for abrasive wheel cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485030.0A CN105014133A (en) | 2015-08-10 | 2015-08-10 | Milling cutter for abrasive wheel cutting machine |
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| Publication Number | Publication Date |
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| CN105014133A true CN105014133A (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510485030.0A Pending CN105014133A (en) | 2015-08-10 | 2015-08-10 | Milling cutter for abrasive wheel cutting machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215436A (en) * | 1996-04-04 | 1999-04-28 | 钴碳化钨硬质合金公司 | Boron and nitrogen containing coating and method for making |
| US6309738B1 (en) * | 1998-02-04 | 2001-10-30 | Osg Corporation | Hard multilayer coated tool having increased toughness |
| CN1514039A (en) * | 2002-09-17 | 2004-07-21 | 湘潭大学 | Cutting fool boron nitride composite coating layer and its preparation method |
| CN101336311A (en) * | 2005-12-12 | 2008-12-31 | 六号元素（产品）（控股）公司 | Pcbn cutting tool components |
| CN102366840A (en) * | 2011-08-10 | 2012-03-07 | 王怀良 | Wear-resisting cutting tool |
-
2015
- 2015-08-10 CN CN201510485030.0A patent/CN105014133A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215436A (en) * | 1996-04-04 | 1999-04-28 | 钴碳化钨硬质合金公司 | Boron and nitrogen containing coating and method for making |
| US6309738B1 (en) * | 1998-02-04 | 2001-10-30 | Osg Corporation | Hard multilayer coated tool having increased toughness |
| CN1514039A (en) * | 2002-09-17 | 2004-07-21 | 湘潭大学 | Cutting fool boron nitride composite coating layer and its preparation method |
| CN101336311A (en) * | 2005-12-12 | 2008-12-31 | 六号元素（产品）（控股）公司 | Pcbn cutting tool components |
| CN102366840A (en) * | 2011-08-10 | 2012-03-07 | 王怀良 | Wear-resisting cutting tool |
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Application publication date: 20151104 |