CN108607997A - A kind of processing technology of gear - Google Patents

A kind of processing technology of gear Download PDF

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Publication number
CN108607997A
CN108607997A CN201810455844.3A CN201810455844A CN108607997A CN 108607997 A CN108607997 A CN 108607997A CN 201810455844 A CN201810455844 A CN 201810455844A CN 108607997 A CN108607997 A CN 108607997A
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parts
gear
temperature
raw material
rare earth
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洪新阳
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Abstract

The invention discloses a kind of processing technologys of gear, include the following steps, prepare the raw material for making gear, include the raw material of following parts by weight：9~12 parts of C, 4~6 parts of Cr, 900~1000 parts of Fe, 20~25 parts of Mo, 5~7 parts of Ni, 25~30 parts of Ti, 12~16 parts of Nb, 3~6 parts of Be, 3~6 parts of Ta, 3~6 parts of Zr, 3~6 parts of V, 3~6 parts of W, 3~6 parts of aluminium nitride, 4~7 parts of rare earth element, 4~7 parts of nano zirconium dioxide, 15~20 parts of surface conditioning agent, 50~80 parts of nitrogen, mixed-powder raw material A is put into gear die, the compression moulding under 600~620Mpa pressure.Gear is made in powder of the present invention, efficient, and finished product is good, is suitble to promote.

Description

A kind of processing technology of gear
Technical field
The present invention relates to gear machining technology field more particularly to a kind of processing technologys of gear.
Background technology
Gear refers to having gear continuously to engage the mechanical organ for transmitting movement and power on wheel rim.Gear answering in transmission With very early there have been.At the end of the 19th century, the principle of cutting method and the phase of special purpose machine tool and cutter using this principle cutting are transformed into After appearance, with the development of production, the stationarity of gear operation is taken seriously.
PM technique, can with the extremely similar shape production requirement high dimensional accuracy of article shape, complicated The component of shape can significantly reduce cutting cost.Therefore, sintered metal product is as various machineries, the component of device And it utilizes in various aspects.
Existing gear material is single, and intensity is low, and service life is low, for this purpose, the present invention proposes a kind of processing work of gear Skill.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of processing work of the gear proposed Skill.
To achieve the goals above, present invention employs following technical solutions：
A kind of processing technology of gear, includes the following steps,
S1 prepares the raw material for making gear, includes the raw material of following parts by weight：9~12 parts of C, 4~6 parts of Cr, Fe 900~ 1000 parts, 20~25 parts of Mo, 5~7 parts of Ni, 25~30 parts of Ti, 12~16 parts of Nb, 3~6 parts of Be, 3~6 parts of Ta, Zr 3 ~6 parts, 3~6 parts of V, 3~6 parts of W, 3~6 parts of aluminium nitride, 4~7 parts of rare earth element, 4~7 parts of nano zirconium dioxide, at surface Manage 15~20 parts of agent, 50~80 parts of nitrogen；
S2 puts C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element, nano zirconium dioxide respectively Enter in grinder, fully crushed, respectively obtains respective powder raw material；
S3, C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element and nanometer titanium dioxide zirconium powder is former Material is fitted into high-speed mixer, is 20~25 DEG C in temperature, is stirred with the rotating speed of 250~300r/min, obtains mixed powder Powder stock A；
Mixed-powder raw material A is put into gear die by S4, the compression moulding under 600~620Mpa pressure；
The green compact of S5, compression moulding are placed in sintering furnace, are first 1000~1050 in temperature in the protective atmosphere of nitrogen DEG C, sintering time is 10~20 minutes, then increases the temperature to 1150~1180 DEG C with the speed of 10~20 DEG C/min, warm herein Under degree, re-sinters 10~15 minutes, then cool down to room temperature；
The green compact of S6, heat treatment, thermal sintering first carry out normalized treatment in normalizing furnace, and 1~2 hour is kept the temperature at 805~815 DEG C Left and right；Quenching treatment is carried out after taking-up again, is sent into heat-treatment furnace and is heated to 650~700 DEG C, and keep the temperature 2~3 hours；Then, It is cooled down with quenching oil, quenched gear is sent into tempering furnace and is heated to carry out high tempering processing at 500~520 DEG C, is protected Temperature 1.5~2 hours, then lonneal is carried out at 155~165 DEG C, keep the temperature 2~3 hours；
S7, carburizing, the gear after lonneal are heated to 875~925 DEG C in carburizer in gaseous carburizing medium, protect Temperature processing 3~5 hours, is cooled to 120 DEG C, when keeping the temperature 5~8, is then cooled to room temperature；
Surface conditioning agent is sprayed on the surface of gear by S8, surface treatment, and drying obtains gear.
Preferably, the rare earth element is at least one of selected from cerium, neodymium, terbium, yttrium and scandium, preferably in cerium and neodymium extremely Few one kind.
Preferably, the surface conditioning agent uses antirust agent.
Preferably, in the S1, prepare the raw material for making gear, include the raw material of following parts by weight：11 parts of C, Cr 5 Part, 950 parts of Fe, 22 parts of Mo, 6 parts of Ni, 27 parts of Ti, 14 parts of Nb, 4 parts of Be, 4 parts of Ta, 4 parts of Zr, 4 parts of V, 4 parts of W, 4 parts of aluminium nitride, 5.5 parts of rare earth element, 5.5 parts of nano zirconium dioxide, 17 parts of surface conditioning agent, 65 parts of nitrogen.
Preferably, in the S3, by C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element and Nano zirconium dioxide powder raw material is fitted into high-speed mixer, is 25 DEG C in temperature, is stirred, is obtained with the rotating speed of 300r/min To mixed-powder raw material A.
The processing technology of a kind of gear proposed by the present invention, by C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, nitrogen Change aluminium, rare earth element and nano zirconium dioxide powder raw material to be fitted into high-speed mixer, is 22 DEG C in temperature, with 300r/min's Rotating speed is stirred, and obtains mixed-powder raw material A, and the green compact of compression moulding are placed in sintering furnace, in the protective atmosphere of nitrogen, It it is first 1050 DEG C in temperature, sintering time is 20 minutes, then increases the temperature to 1180 DEG C with the speed of 20 DEG C/min, herein At a temperature of, it re-sinters 15 minutes, then cools down to room temperature, gear is made in powder, efficient, and finished product is good, is suitble to promote.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
A kind of processing technology of gear proposed by the present invention, which is characterized in that include the following steps,
S1 prepares the raw material for making gear, includes the raw material of following parts by weight：11 parts of C, 5 parts of Cr, 950 parts of Fe, Mo 22 Part, 6 parts of Ni, 27 parts of Ti, 14 parts of Nb, 4 parts of Be, 4 parts of Ta, 4 parts of Zr, 4 parts of V, 4 parts of W, 4 parts of aluminium nitride, rare earth element 5.5 parts, 5.5 parts of nano zirconium dioxide, 17 parts of surface conditioning agent, 65 parts of nitrogen；
S2 puts C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element, nano zirconium dioxide respectively Enter in grinder, fully crushed, respectively obtains respective powder raw material；
S3, C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element and nanometer titanium dioxide zirconium powder is former Material is fitted into high-speed mixer, is 22 DEG C in temperature, is stirred with the rotating speed of 300r/min, obtains mixed-powder raw material A；
Mixed-powder raw material A is put into gear die by S4, the compression moulding under 600Mpa pressure；
The green compact of S5, compression moulding are placed in sintering furnace, are first 1000 DEG C in temperature in the protective atmosphere of nitrogen, sintering Time is 10 minutes, then increases the temperature to 1150 DEG C with the speed of 10 DEG C/min, at this temperature, re-sinters 10 minutes, so Postcooling is down to room temperature；
The green compact of S6, heat treatment, thermal sintering first carry out normalized treatment in normalizing furnace, and 1 hour or so is kept the temperature at 805 DEG C；It takes Quenching treatment is carried out after going out again, is sent into heat-treatment furnace and is heated to 650 DEG C, and keep the temperature 2 hours；Then, it is cooled down with quenching oil, it will Quenched gear, which is sent into tempering furnace, to be heated to carry out high tempering processing at 500 DEG C, keeps the temperature 1.5 hours, then 155 DEG C into Row lonneal keeps the temperature 2 hours；
S7, carburizing, the gear after lonneal are heated to 875 DEG C, isothermal holding in carburizer in gaseous carburizing medium 3 hours, 120 DEG C are cooled to, when keeping the temperature 5, is then cooled to room temperature；
Surface conditioning agent is sprayed on the surface of gear by S8, surface treatment, and drying obtains gear.
Embodiment two
A kind of processing technology of gear proposed by the present invention, which is characterized in that include the following steps,
S1 prepares the raw material for making gear, includes the raw material of following parts by weight：11 parts of C, 5 parts of Cr, 950 parts of Fe, Mo 22 Part, 6 parts of Ni, 27 parts of Ti, 14 parts of Nb, 4 parts of Be, 4 parts of Ta, 4 parts of Zr, 4 parts of V, 4 parts of W, 4 parts of aluminium nitride, rare earth element 5.5 parts, 5.5 parts of nano zirconium dioxide, 17 parts of surface conditioning agent, 65 parts of nitrogen；
S2 puts C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element, nano zirconium dioxide respectively Enter in grinder, fully crushed, respectively obtains respective powder raw material；
S3, C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element and nanometer titanium dioxide zirconium powder is former Material is fitted into high-speed mixer, is 22 DEG C in temperature, is stirred with the rotating speed of 300r/min, obtains mixed-powder raw material A；
Mixed-powder raw material A is put into gear die by S4, the compression moulding under 600Mpa pressure；
The green compact of S5, compression moulding are placed in sintering furnace, are first 1025 DEG C in temperature in the protective atmosphere of nitrogen, sintering Time is 15 minutes, then increases the temperature to 1165 DEG C with the speed of 15 DEG C/min, at this temperature, re-sinters 12.5 minutes, Then room temperature is cooled down to；
The green compact of S6, heat treatment, thermal sintering first carry out normalized treatment in normalizing furnace, and 1 hour or so is kept the temperature at 805 DEG C；It takes Quenching treatment is carried out after going out again, is sent into heat-treatment furnace and is heated to 650 DEG C, and keep the temperature 2 hours；Then, it is cooled down with quenching oil, it will Quenched gear, which is sent into tempering furnace, to be heated to carry out high tempering processing at 500 DEG C, keeps the temperature 1.5 hours, then 155 DEG C into Row lonneal keeps the temperature 2 hours；
S7, carburizing, the gear after lonneal are heated to 875 DEG C, isothermal holding in carburizer in gaseous carburizing medium 3 hours, 120 DEG C are cooled to, when keeping the temperature 5, is then cooled to room temperature；
Surface conditioning agent is sprayed on the surface of gear by S8, surface treatment, and drying obtains gear.
Embodiment three
A kind of processing technology of gear proposed by the present invention, which is characterized in that include the following steps,
S1 prepares the raw material for making gear, includes the raw material of following parts by weight：11 parts of C, 5 parts of Cr, 950 parts of Fe, Mo 22 Part, 6 parts of Ni, 27 parts of Ti, 14 parts of Nb, 4 parts of Be, 4 parts of Ta, 4 parts of Zr, 4 parts of V, 4 parts of W, 4 parts of aluminium nitride, rare earth element 5.5 parts, 5.5 parts of nano zirconium dioxide, 17 parts of surface conditioning agent, 65 parts of nitrogen；
S2 puts C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element, nano zirconium dioxide respectively Enter in grinder, fully crushed, respectively obtains respective powder raw material；
S3, C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element and nanometer titanium dioxide zirconium powder is former Material is fitted into high-speed mixer, is 22 DEG C in temperature, is stirred with the rotating speed of 300r/min, obtains mixed-powder raw material A；
Mixed-powder raw material A is put into gear die by S4, the compression moulding under 600Mpa pressure；
The green compact of S5, compression moulding are placed in sintering furnace, are first 1050 DEG C in temperature in the protective atmosphere of nitrogen, sintering Time is 20 minutes, then increases the temperature to 1180 DEG C with the speed of 20 DEG C/min, at this temperature, re-sinters 15 minutes, so Postcooling is down to room temperature；
The green compact of S6, heat treatment, thermal sintering first carry out normalized treatment in normalizing furnace, and 1 hour or so is kept the temperature at 805 DEG C；It takes Quenching treatment is carried out after going out again, is sent into heat-treatment furnace and is heated to 650 DEG C, and keep the temperature 2 hours；Then, it is cooled down with quenching oil, it will Quenched gear, which is sent into tempering furnace, to be heated to carry out high tempering processing at 500 DEG C, keeps the temperature 1.5 hours, then 155 DEG C into Row lonneal keeps the temperature 2 hours；
S7, carburizing, the gear after lonneal are heated to 875 DEG C, isothermal holding in carburizer in gaseous carburizing medium 3 hours, 120 DEG C are cooled to, when keeping the temperature 5, is then cooled to room temperature；
Surface conditioning agent is sprayed on the surface of gear by S8, surface treatment, and drying obtains gear.
Hardness is carried out to gear prepared by above-described embodiment one~tri- respectively, impact flexibility and wearability are detected, and are examined It is as follows to survey result：
A kind of processing technology of gear proposed by the present invention, by C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, Rare earth element and nano zirconium dioxide powder raw material are fitted into high-speed mixer, are 22 DEG C in temperature, with the rotating speed of 300r/min It is stirred, obtains mixed-powder raw material A, the green compact of compression moulding are placed in sintering furnace, in the protective atmosphere of nitrogen, first It it is 1050 DEG C in temperature, sintering time is 20 minutes, then 1180 DEG C is increased the temperature to the speed of 20 DEG C/min, in this temperature Under, it re-sinters 15 minutes, then cools down to room temperature, gear is made in powder, efficient, and finished product is good, is suitble to promote.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (5)

1. a kind of processing technology of gear, which is characterized in that include the following steps,
S1 prepares the raw material for making gear, includes the raw material of following parts by weight：9~12 parts of C, 4~6 parts of Cr, Fe 900~ 1000 parts, 20~25 parts of Mo, 5~7 parts of Ni, 25~30 parts of Ti, 12~16 parts of Nb, 3~6 parts of Be, 3~6 parts of Ta, Zr 3 ~6 parts, 3~6 parts of V, 3~6 parts of W, 3~6 parts of aluminium nitride, 4~7 parts of rare earth element, 4~7 parts of nano zirconium dioxide, at surface Manage 15~20 parts of agent, 50~80 parts of nitrogen；
S2 puts C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element, nano zirconium dioxide respectively Enter in grinder, fully crushed, respectively obtains respective powder raw material；
S3, C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element and nanometer titanium dioxide zirconium powder is former Material is fitted into high-speed mixer, is 20~25 DEG C in temperature, is stirred with the rotating speed of 250~300r/min, obtains mixed powder Powder stock A；
Mixed-powder raw material A is put into gear die by S4, the compression moulding under 600~620Mpa pressure；
The green compact of S5, compression moulding are placed in sintering furnace, are first 1000~1050 in temperature in the protective atmosphere of nitrogen DEG C, sintering time is 10~20 minutes, then increases the temperature to 1150~1180 DEG C with the speed of 10~20 DEG C/min, warm herein Under degree, re-sinters 10~15 minutes, then cool down to room temperature；
The green compact of S6, heat treatment, thermal sintering first carry out normalized treatment in normalizing furnace, and 1~2 hour is kept the temperature at 805~815 DEG C Left and right；Quenching treatment is carried out after taking-up again, is sent into heat-treatment furnace and is heated to 650~700 DEG C, and keep the temperature 2~3 hours；Then, It is cooled down with quenching oil, quenched gear is sent into tempering furnace and is heated to carry out high tempering processing at 500~520 DEG C, is protected Temperature 1.5~2 hours, then lonneal is carried out at 155~165 DEG C, keep the temperature 2~3 hours；
S7, carburizing, the gear after lonneal are heated to 875~925 DEG C in carburizer in gaseous carburizing medium, protect Temperature processing 3~5 hours, is cooled to 120 DEG C, when keeping the temperature 5~8, is then cooled to room temperature；
Surface conditioning agent is sprayed on the surface of gear by S8, surface treatment, and drying obtains gear.
2. a kind of processing technology of gear according to claim 1, which is characterized in that the rare earth element be selected from cerium, At least one of neodymium, terbium, yttrium and scandium, preferably at least one of cerium and neodymium.
3. a kind of processing technology of gear according to claim 1, which is characterized in that the surface conditioning agent uses antirust Agent.
4. a kind of processing technology of gear according to claim 1, which is characterized in that in the S1, prepare to make gear Raw material, include the raw material of following parts by weight：11 parts of C, 5 parts of Cr, 950 parts of Fe, 22 parts of Mo, 6 parts of Ni, 27 parts of Ti, Nb 14 parts, 4 parts of Be, 4 parts of Ta, 4 parts of Zr, 4 parts of V, 4 parts of W, 4 parts of aluminium nitride, 5.5 parts of rare earth element, nano zirconium dioxide 5.5 Part, 17 parts of surface conditioning agent, 65 parts of nitrogen.
5. a kind of processing technology of gear according to claim 1, which is characterized in that in the S3, by C, Cr, Fe, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, rare earth element and nano zirconium dioxide powder raw material are fitted into high-speed mixer, It is 25 DEG C in temperature, is stirred with the rotating speed of 300r/min, obtains mixed-powder raw material A.
CN201810455844.3A 2018-05-14 2018-05-14 A kind of processing technology of gear Pending CN108607997A (en)

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CN109338243A (en) * 2018-11-07 2019-02-15 东莞市煜田新材料有限公司 A kind of powder sintered titanium master alloy Heat-Treatment of Steel technique
CN111961978A (en) * 2020-09-14 2020-11-20 广东省科学院新材料研究所 Alloy material for preparing pre-polishing device, preparation method and application of pre-polishing device, and optical lens
CN114669744A (en) * 2022-03-07 2022-06-28 广东盈峰材料技术股份有限公司 High-precision high-strength output gear and manufacturing method thereof
CN114939664A (en) * 2022-05-26 2022-08-26 南通新思迪机电有限公司 High-strength wear-resistant gear machining process
CN115261728B (en) * 2022-08-08 2023-04-11 江苏华跃特种设备有限公司 Corrosion-resistant steel pipe material for high-pressure boiler and preparation method thereof

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Application publication date: 20181002