CN107287523A - A kind of preparation method of motor housing - Google Patents

A kind of preparation method of motor housing Download PDF

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Publication number
CN107287523A
CN107287523A CN201710553117.6A CN201710553117A CN107287523A CN 107287523 A CN107287523 A CN 107287523A CN 201710553117 A CN201710553117 A CN 201710553117A CN 107287523 A CN107287523 A CN 107287523A
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CN
China
Prior art keywords
motor housing
preparation
melting
warming
cast
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.)
Withdrawn
Application number
CN201710553117.6A
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Chinese (zh)
Inventor
黄成富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leshan Sanyuan Electrical Machinery Co Ltd
Original Assignee
Leshan Sanyuan Electrical Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Leshan Sanyuan Electrical Machinery Co Ltd filed Critical Leshan Sanyuan Electrical Machinery Co Ltd
Priority to CN201710553117.6A priority Critical patent/CN107287523A/en
Publication of CN107287523A publication Critical patent/CN107287523A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The invention discloses a kind of preparation method of motor housing, it is related to a kind of parts of motor, comprises the following steps：（1）Select constitutive material；（2）Melting；（3）Moulding；（4）Casting；（5）Shaping；（6）Heat treatment；Wherein raw material include Cu：0.3 0.8wt%, Al：0.05 0.2wt%, Ti：0.4 0.6wt%, Nb：0.02 0.05wt%, Sc：0.1 0.25wt%, Co：0.05 0.12wt%, Mn：0.1 0.16wt%, Zn：0.04 0.12wt%, Sm：0.05 0.1wt%, Mg：0.05 0.07wt%, C：＜ 0.02wt%, Si：＜ 0.02wt%, P：＜ 0.02wt%, S：＜ 0.01wt%, N：0.001 0.01wt%, surplus is Fe.Rationally, technique is simple, can effectively improve its high temperature hardness and high temperature compression strength, is suitably applied high temperature applicationss, and service life is long for composition of raw materials of the present invention, and qualification rate is high, substantially increases the quality of product, is adapted to be widely popularized.

Description

A kind of preparation method of motor housing
Technical field
The present invention relates to a kind of parts of motor, in particular to a kind of preparation method of motor housing.
Background technology
Existing hub motor shell is to be cut into steel ring finishing with seamless steel pipe section to form, due to making seamless steel pipe Difficulty is high, and equipment is various, complex process, so the cost of seamless steel pipe is especially high.Enterprise is welded to reduce cost with flat steel bar The steel ring connect is to replace, therefore hub motor shell is all generally the steel ring finishing being welded into flat steel bar in the market Work is formed, but the steel ring process of production flat steel bar welding is also sufficiently complex, and it will be by the material identification of steel, by high temperature melting Steel billet is cast after melting, steel billet is again by being rolled into flat steel bar, and flat steel bar scale section cuts cold circumflexion, then two of flat steel bar Termination carries out electric welding connection, is finally made into positive round.Because hub motor shell is related to magnetic flux equilibrium degree, it is welded into flat steel bar Steel ring, it is welded connector usually inner clip residue, uneven, material unreserved seating of welding rod etc. is welded, so as to have impact on electricity The magnetic flux equilibrium degree of machine, causes motor rotation frequency unstable, the shortcomings of being welded connector and be easily broken off, and use dangerous； Although the steel ring of flat steel bar welding is more relatively low than the steel ring cost cut of seamless steel pipe section, quality it cannot be guaranteed that.
The content of the invention
It is an object of the invention to provide a kind of preparation method of motor housing, to solve the above problems.
To realize the object of the invention, the technical scheme used for：A kind of preparation method of motor housing, including following step Suddenly：
（1）Select constitutive material：Cu：0.3-0.8wt%, Al：0.05-0.2wt%, Ti：0.4-0.6wt%, Nb：0.02- 0.05wt%, Sc：0.1-0.25wt%, Co：0.05-0.12wt%, Mn：0.1-0.16wt%, Zn：0.04-0.12wt%, Sm：0.05-0.1wt%, Mg：0.05-0.07wt%, C：＜ 0.02wt%, Si：＜ 0.02wt%, P：＜ 0.02wt%, S：＜ 0.01wt%, N：0.001-0.01wt%, surplus is Fe；
（2）Melting：Above-mentioned raw material are weighed by the component formula in step 1, and send into smelting furnace and are smelted into cast-solution；
（3）Moulding：Motor housing model is prepared on moulding machine, then carries out motor housing model to be compounded to form casting Mould；
（4）Casting：In the casting die that cast-solution in step 2 is cast into step 3；
（5）Shaping：Casting die after cast molding is sent on the sand machine that shakes and carries out isolated motor housing finished product；
（6）Heat treatment：It will be heat-treated after motor housing cleaning made from step 5.
Melting in step 2 includes：(1) preparation of melting instrument：Melting instrument mainly includes intermediate frequency furnace, and cleaning is molten Refining instrument, and it is about 0.5mm to be preheating to 200~300 DEG C of spary zinc oxide coating thickness, then fully dries 3 at 600~650 DEG C It can use within~4 hours；(2) it will feed and melt after intermediate frequency furnace for preheating to 250 DEG C of preheatings.
Heat treatment in step 6 includes：(1) solution treatment:600 ± 10 DEG C are first warming up to, 4 hours are incubated, then be warming up to 800 ± 10 DEG C, it is incubated 3 minutes；(2) Quenching Treatment:Quenching Treatment is carried out in 200 DEG C~400 DEG C hardening medias, it is desirable to blank It is no more than 15 seconds from the transfer time of glowing furnace screw clamp；600 ± 10 DEG C are first warming up to, 3 hours are incubated, then be warming up to 900 ± 5 DEG C, it is incubated 5 minutes.
The beneficial effects of the invention are as follows, composition of raw materials of the present invention rationally, technique is simple, can effectively improve its high temperature hardness and High temperature compression strength, is suitably applied high temperature applicationss, and service life is long, and qualification rate is high, substantially increases the quality of product, fits Conjunction is widely popularized.
Embodiment
The present invention is described in further detail below by specific embodiment.
Embodiment 1
A kind of preparation method for motor housing that the present invention is provided, including comprise the following steps：
（1）Select constitutive material：Cu：0.3wt%, Al：0.05wt%, Ti：0.4wt%, Nb：0.02wt%, Sc：0.1wt%, Co：0.05wt%, Mn：0.1wt%, Zn：0.04wt%, Sm：0.05wt%, Mg：0.05wt%, C：0.015wt%, Si： 0.01wt%, P：0.15wt%, S：0.009wt%, N：0.001wt%, surplus is Fe；
（3）Melting：Above-mentioned raw material are weighed by the component formula in step 1, and send into smelting furnace and are smelted into cast-solution, it melts It is 1400 DEG C~1600 DEG C to refine temperature；
（3）Moulding：Motor housing model is prepared on moulding machine, then carries out motor housing model to be compounded to form casting Mould；
（4）Casting：In the casting die that cast-solution in step 2 is cast into step 3, its cast temperature be 1500 DEG C~ 1700℃；
（5）Shaping：Casting die after cast molding is sent on the sand machine that shakes and carries out isolated motor housing finished product；
（6）Heat treatment：It will be heat-treated after motor housing cleaning made from step 5.
Melting in step 2 includes：(1) preparation of melting instrument：Melting instrument mainly includes intermediate frequency furnace, and cleaning is molten Refining instrument, and it is about 0.5mm to be preheating to 250 DEG C of spary zinc oxide coating thickness, then can be made within 3 hours in 600 DEG C of fully dryings With；(2) it will feed and melt after intermediate frequency furnace for preheating to 250 DEG C of preheatings.
Heat treatment in step 6 includes：(1) solution treatment:600 ± 10 DEG C are first warming up to, 4 hours are incubated, then be warming up to 800 ± 10 DEG C, it is incubated 3 minutes；(2) Quenching Treatment:Quenching Treatment is carried out in 200 DEG C~400 DEG C hardening medias, it is desirable to blank It is no more than 15 seconds from the transfer time of glowing furnace screw clamp；600 ± 10 DEG C are first warming up to, 3 hours are incubated, then be warming up to 900 ± 5 DEG C, it is incubated 5 minutes.
Embodiment 2
A kind of preparation method for motor housing that the present invention is provided, including comprise the following steps：
（1）Select constitutive material：Cu：0.8wt%, Al：0.2wt%, Ti：0.6wt%, Nb：0.05wt%, Sc：0.25wt%, Co：0.12wt%, Mn：0.16wt%, Zn：0.12wt%, Sm：0.1wt%, Mg：0.07wt%, C：0.18wt%, Si： 0.01wt%, P：0.01wt%, S：0.009wt%, N：0.01wt%, surplus is Fe；
（2）Melting：Above-mentioned raw material are weighed by the component formula in step 1, and send into smelting furnace and are smelted into cast-solution, it melts It is 1400 DEG C~1600 DEG C to refine temperature；
（3）Moulding：Motor housing model is prepared on moulding machine, then carries out motor housing model to be compounded to form casting Mould；
（4）Casting：In the casting die that cast-solution in step 2 is cast into step 3, its cast temperature be 1500 DEG C~ 1700℃；
（5）Shaping：Casting die after cast molding is sent on the sand machine that shakes and carries out isolated motor housing finished product；
（6）Heat treatment：It will be heat-treated after motor housing cleaning made from step 5.
Melting in step 2 includes：(1) preparation of melting instrument：Melting instrument mainly includes intermediate frequency furnace, and cleaning is molten Refining instrument, and it is about 0.5mm to be preheating to 300 DEG C of spary zinc oxide coating thickness, then can be made within 4 hours in 650 DEG C of fully dryings With；(2) it will feed and melt after intermediate frequency furnace for preheating to 250 DEG C of preheatings.
Heat treatment in step 6 includes：(1) solution treatment:600 ± 10 DEG C are first warming up to, 4 hours are incubated, then be warming up to 800 ± 10 DEG C, it is incubated 3 minutes；(2) Quenching Treatment:Quenching Treatment is carried out in 200 DEG C~400 DEG C hardening medias, it is desirable to blank It is no more than 15 seconds from the transfer time of glowing furnace screw clamp；600 ± 10 DEG C are first warming up to, 3 hours are incubated, then be warming up to 900 ± 5 DEG C, it is incubated 5 minutes.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (3)

1. a kind of preparation method of motor housing, it is characterised in that comprise the following steps：
（1）Select constitutive material：Cu：0.3-0.8wt%, Al：0.05-0.2wt%, Ti：0.4-0.6wt%, Nb：0.02- 0.05wt%, Sc：0.1-0.25wt%, Co：0.05-0.12wt%, Mn：0.1-0.16wt%, Zn：0.04-0.12wt%, Sm：0.05-0.1wt%, Mg：0.05-0.07wt%, C：＜ 0.02wt%, Si：＜ 0.02wt%, P：＜ 0.02wt%, S：＜ 0.01wt%, N：0.001-0.01wt%, surplus is Fe；
Melting：Above-mentioned raw material are weighed by the component formula in step 1, and send into smelting furnace and are smelted into cast-solution；
（3）Moulding：Motor housing model is prepared on moulding machine, then carries out motor housing model to be compounded to form casting Mould；
（4）Casting：In the casting die that cast-solution in step 2 is cast into step 3；
（5）Shaping：Casting die after cast molding is sent on the sand machine that shakes and carries out isolated motor housing finished product；
（6）Heat treatment：It will be heat-treated after motor housing cleaning made from step 5.
2. the preparation method of motor housing according to claim 1, it is characterised in that the melting in the step 2 includes： (1) preparation of melting instrument：Melting instrument mainly includes intermediate frequency furnace, clears up melting instrument, and be preheating to 200~300 DEG C Spary zinc oxide coating thickness is about 0.5mm, then can be used within 3~4 hours in 600~650 DEG C of fully dryings；(2) by intermediate frequency Stove is preheated to after 250 DEG C of preheatings the fusing that feeds.
3. the preparation method of motor housing according to claim 1, it is characterised in that the heat treatment bag in the step 6 Include：(1) solution treatment:600 ± 10 DEG C are first warming up to, 4 hours are incubated, then is warming up to 800 ± 10 DEG C, insulation 3 minutes；(2) quench Fire processing:Quenching Treatment is carried out in 200 DEG C~400 DEG C hardening medias, it is desirable to transfer time of the blank from glowing furnace screw clamp No more than 15 seconds；600 ± 10 DEG C are first warming up to, 3 hours are incubated, then is warming up to 900 ± 5 DEG C, insulation 5 minutes.
CN201710553117.6A 2017-07-07 2017-07-07 A kind of preparation method of motor housing Withdrawn CN107287523A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710553117.6A CN107287523A (en) 2017-07-07 2017-07-07 A kind of preparation method of motor housing

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Application Number Priority Date Filing Date Title
CN201710553117.6A CN107287523A (en) 2017-07-07 2017-07-07 A kind of preparation method of motor housing

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CN107287523A true CN107287523A (en) 2017-10-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107779695A (en) * 2017-11-01 2018-03-09 道然精密智造无锡有限公司 A kind of high corrosion resistant chain-less bicycle manufacture of casing of flowing
CN108372389A (en) * 2018-01-17 2018-08-07 昆山腾荣机械有限公司 A kind of Sheet Metal Forming Technology of New energy automobile motor shell

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107779695A (en) * 2017-11-01 2018-03-09 道然精密智造无锡有限公司 A kind of high corrosion resistant chain-less bicycle manufacture of casing of flowing
CN108372389A (en) * 2018-01-17 2018-08-07 昆山腾荣机械有限公司 A kind of Sheet Metal Forming Technology of New energy automobile motor shell
CN108372389B (en) * 2018-01-17 2019-11-15 昆山腾荣机械有限公司 A kind of Sheet Metal Forming Technology of New energy automobile motor shell

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Application publication date: 20171024