CN111349802A - High-rigidity lightweight material for spoke production - Google Patents

High-rigidity lightweight material for spoke production Download PDF

Info

Publication number
CN111349802A
CN111349802A CN202010214122.6A CN202010214122A CN111349802A CN 111349802 A CN111349802 A CN 111349802A CN 202010214122 A CN202010214122 A CN 202010214122A CN 111349802 A CN111349802 A CN 111349802A
Authority
CN
China
Prior art keywords
materials
parts
iron
steel
aluminum alloy
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.)
Pending
Application number
CN202010214122.6A
Other languages
Chinese (zh)
Inventor
陆宝荣
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.)
Nantong Haicheng Spoke Co ltd
Original Assignee
Nantong Haicheng Spoke 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 Nantong Haicheng Spoke Co ltd filed Critical Nantong Haicheng Spoke Co ltd
Priority to CN202010214122.6A priority Critical patent/CN111349802A/en
Publication of CN111349802A publication Critical patent/CN111349802A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • C22C1/03Making non-ferrous alloys by melting using master alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • C22C1/026Alloys based on aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C30/00Alloys containing less than 50% by weight of each constituent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

The invention discloses a high-rigidity light-weight material for spoke production, which comprises 20-25 parts of carbon steel, 10-15 parts of stainless steel, 50-55 parts of aluminum alloy and 15-18 parts of iron, wherein carbon steel, aluminum alloy and iron materials are firstly subjected to acid cleaning to remove oxides on the surfaces of the materials, the materials are filtered and dried by clean water after acid cleaning, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively subjected to high-temperature melting by a melting furnace, the materials are kept for 10-12 min in a liquid state after being completely melted, and metal materials in the molten state are mixed and then cooled after 5min in the liquid state to enable various materials to form an alloy.

Description

High-rigidity lightweight material for spoke production
Technical Field
The invention relates to the technical field of crease-resistant fabrics, in particular to a high-rigidity lightweight material for spoke production.
Background
Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides the vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. The English language bicycle. Where bi means two and cycle means the wheel, i.e. the two-wheeled vehicle. In china, taiwan and singapore, they are usually called "bicycles" or "bicycles", in china, in port and australia, they are usually called "bicycles", in japan, they are called "bicycles".
Can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use bicycles as fitness equipment for riding exercise and bicycle travel; the bicycle itself is also a sport event, including road bike racing, mountain bike racing, field bike racing, stunt bike racing, and the like.
The rim of a bicycle is connected to a central axle by spokes, which are a plurality of rods, bars or straight lines extending outwardly from a center or hub in the same plane.
However, most of the current bicycle spokes are made of single carbon steel materials, some high-grade bicycles are made of stainless steel materials, and the materials have single performance, some have low hardness and are easy to oxidize, and some have high hardness and are easy to oxidize.
Disclosure of Invention
The invention aims to provide a high-rigidity light-weight material for producing spokes, which has high strength, good ductility and good oxidation resistance, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-rigidity lightweight material for spoke production comprises 20-25 parts of carbon steel, 10-15 parts of stainless steel, 50-55 parts of aluminum alloy and 15-18 parts of iron.
Preferably, the steel comprises 22 parts of carbon steel, 13 parts of stainless steel, 50 parts of aluminum alloy and 16 parts of iron.
Preferably, the carbon steel is Q235 common carbon structural steel.
Preferably, the steel is an iron-carbon alloy with a carbon content between 0.04% and 2.3%.
Preferably, the aluminum alloy is one of 2024, 2a16 and 2a 02.
Preferably, the preparation method of the bottom fabric of the high-rigidity light-weight material for spoke production comprises the following steps: the method comprises the following steps:
A. firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10% -15% acid solution, and oxides on the surfaces of the materials are washed away;
B. washing the cleaned material with clear water for 2-3 times, removing water from the material, and drying the material in a drying oven;
C. heating carbon steel, stainless steel, aluminum alloy and iron to be molten by adopting a smelting furnace respectively, and maintaining the molten material in a molten state for 10-15 min;
D. c, mixing the liquid materials in the step C according to the ratio of 4:3:10:3, and cooling the mixed materials after maintaining the molten state for 5 min;
E. and taking out the cooled material and then carrying out surface descaling.
Compared with the prior art, the invention has the beneficial effects that:
the material has the advantages of light weight, high strength, good ductility and good oxidation resistance.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the following technical scheme: a high-rigidity lightweight material for spoke production comprises 20-25 parts of carbon steel, 10-15 parts of stainless steel, 50-55 parts of aluminum alloy and 15-18 parts of iron, wherein 22 parts of carbon steel, 13 parts of stainless steel, 50 parts of aluminum alloy and 16 parts of iron.
The carbon steel adopted in the high-rigidity light-weight material for producing the spokes is Q235 common carbon structural steel, the steel is iron-carbon alloy with the carbon content of 0.04-2.3%, and the aluminum alloy is one of 2024, 2A16 and 2A 02.
The preparation process of the high-rigidity lightweight material for spoke production comprises the following steps: firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10-15% acid solution, oxides on the surfaces of the materials are washed away, the cleaned materials are washed by adopting clean water for 2-3 times, the materials are dewatered, the materials are dried by adopting a drying box, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively heated by adopting a smelting furnace to be molten, the molten materials are maintained for 10-15 min in a molten state, the molten liquid materials are mixed according to the proportion of 4:3:10:3, the mixed materials are cooled to form alloy materials after being maintained for 5min in the molten state, and the cooled materials are taken out and then subjected to surface descaling.
In the case of the example 1, the following examples are given,
the high-rigidity lightweight material for spoke production comprises 20 parts of carbon steel, 10 parts of stainless steel, 50 parts of aluminum alloy and 15 parts of iron.
The carbon steel adopted in the high-rigidity light-weight material for producing the spokes is Q235 common carbon structural steel, the steel is iron-carbon alloy with the carbon content of 0.04-2.3%, and the aluminum alloy is one of 2024, 2A16 and 2A 02.
The preparation process of the high-rigidity lightweight material for spoke production comprises the following steps: firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10-15% acid solution, oxides on the surfaces of the materials are washed away, the cleaned materials are washed by adopting clean water for 2-3 times, the materials are dewatered, the materials are dried by adopting a drying box, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively heated by adopting a smelting furnace to be molten, the molten materials are maintained for 10-15 min in a molten state, the molten liquid materials are mixed according to the proportion of 4:3:10:3, the mixed materials are cooled to form alloy materials after being maintained for 5min in the molten state, and the cooled materials are taken out and then subjected to surface descaling.
In the case of the example 2, the following examples are given,
the high-rigidity lightweight material for producing the spokes comprises 21 parts of carbon steel, 11 parts of stainless steel, 51 parts of aluminum alloy and 11 parts of iron.
The carbon steel adopted in the high-rigidity light-weight material for producing the spokes is Q235 common carbon structural steel, the steel is iron-carbon alloy with the carbon content of 0.04-2.3%, and the aluminum alloy is one of 2024, 2A16 and 2A 02.
The preparation process of the high-rigidity lightweight material for spoke production comprises the following steps: firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10-15% acid solution, oxides on the surfaces of the materials are washed away, the cleaned materials are washed by adopting clean water for 2-3 times, the materials are dewatered, the materials are dried by adopting a drying box, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively heated by adopting a smelting furnace to be molten, the molten materials are maintained for 10-15 min in a molten state, the molten liquid materials are mixed according to the proportion of 4:3:10:3, the mixed materials are cooled to form alloy materials after being maintained for 5min in the molten state, and the cooled materials are taken out and then subjected to surface descaling.
In the case of the example 3, the following examples are given,
the high-rigidity lightweight material for producing the spoke comprises 22 parts of carbon steel, 12 parts of stainless steel, 52 parts of aluminum alloy and 12 parts of iron.
The carbon steel adopted in the high-rigidity light-weight material for producing the spokes is Q235 common carbon structural steel, the steel is iron-carbon alloy with the carbon content of 0.04-2.3%, and the aluminum alloy is one of 2024, 2A16 and 2A 02.
The preparation process of the high-rigidity lightweight material for spoke production comprises the following steps: firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10-15% acid solution, oxides on the surfaces of the materials are washed away, the cleaned materials are washed by adopting clean water for 2-3 times, the materials are dewatered, the materials are dried by adopting a drying box, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively heated by adopting a smelting furnace to be molten, the molten materials are maintained for 10-15 min in a molten state, the molten liquid materials are mixed according to the proportion of 4:3:10:3, the mixed materials are cooled to form alloy materials after being maintained for 5min in the molten state, and the cooled materials are taken out and then subjected to surface descaling.
In the case of the example 4, the following examples are given,
the high-rigidity lightweight material for producing the spokes comprises 23 parts of carbon steel, 13 parts of stainless steel, 53 parts of aluminum alloy and 13 parts of iron.
The carbon steel adopted in the high-rigidity light-weight material for producing the spokes is Q235 common carbon structural steel, the steel is iron-carbon alloy with the carbon content of 0.04-2.3%, and the aluminum alloy is one of 2024, 2A16 and 2A 02.
The preparation process of the high-rigidity lightweight material for spoke production comprises the following steps: firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10-15% acid solution, oxides on the surfaces of the materials are washed away, the cleaned materials are washed by adopting clean water for 2-3 times, the materials are dewatered, the materials are dried by adopting a drying box, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively heated by adopting a smelting furnace to be molten, the molten materials are maintained for 10-15 min in a molten state, the molten liquid materials are mixed according to the proportion of 4:3:10:3, the mixed materials are cooled to form alloy materials after being maintained for 5min in the molten state, and the cooled materials are taken out and then subjected to surface descaling.
In the case of the example 5, the following examples were conducted,
the high-rigidity lightweight material for spoke production comprises 24 parts of carbon steel, 15 parts of stainless steel, 55 parts of aluminum alloy and 14 parts of iron.
The carbon steel adopted in the high-rigidity light-weight material for producing the spokes is Q235 common carbon structural steel, the steel is iron-carbon alloy with the carbon content of 0.04-2.3%, and the aluminum alloy is one of 2024, 2A16 and 2A 02.
The preparation process of the high-rigidity lightweight material for spoke production comprises the following steps: firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10-15% acid solution, oxides on the surfaces of the materials are washed away, the cleaned materials are washed by adopting clean water for 2-3 times, the materials are dewatered, the materials are dried by adopting a drying box, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively heated by adopting a smelting furnace to be molten, the molten materials are maintained for 10-15 min in a molten state, the molten liquid materials are mixed according to the proportion of 4:3:10:3, the mixed materials are cooled to form alloy materials after being maintained for 5min in the molten state, and the cooled materials are taken out and then subjected to surface descaling.
In the case of the example 6, it is shown,
the high-rigidity lightweight material for spoke production comprises 25 parts of carbon steel, 15 parts of stainless steel, 51 parts of aluminum alloy and 12 parts of iron.
The carbon steel adopted in the high-rigidity light-weight material for producing the spokes is Q235 common carbon structural steel, the steel is iron-carbon alloy with the carbon content of 0.04-2.3%, and the aluminum alloy is one of 2024, 2A16 and 2A 02.
The preparation process of the high-rigidity lightweight material for spoke production comprises the following steps: firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10-15% acid solution, oxides on the surfaces of the materials are washed away, the cleaned materials are washed by adopting clean water for 2-3 times, the materials are dewatered, the materials are dried by adopting a drying box, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively heated by adopting a smelting furnace to be molten, the molten materials are maintained for 10-15 min in a molten state, the molten liquid materials are mixed according to the proportion of 4:3:10:3, the mixed materials are cooled to form alloy materials after being maintained for 5min in the molten state, and the cooled materials are taken out and then subjected to surface descaling.
In the case of the example 7, the following examples are given,
the high-rigidity lightweight material for spoke production comprises 22 parts of carbon steel, 13 parts of stainless steel, 50 parts of aluminum alloy and 16 parts of iron.
The carbon steel adopted in the high-rigidity light-weight material for producing the spokes is Q235 common carbon structural steel, the steel is iron-carbon alloy with the carbon content of 0.04-2.3%, and the aluminum alloy is one of 2024, 2A16 and 2A 02.
The preparation process of the high-rigidity lightweight material for spoke production comprises the following steps: firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10-15% acid solution, oxides on the surfaces of the materials are washed away, the cleaned materials are washed by adopting clean water for 2-3 times, the materials are dewatered, the materials are dried by adopting a drying box, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively heated by adopting a smelting furnace to be molten, the molten materials are maintained for 10-15 min in a molten state, the molten liquid materials are mixed according to the proportion of 4:3:10:3, the mixed materials are cooled to form alloy materials after being maintained for 5min in the molten state, and the cooled materials are taken out and then subjected to surface descaling.
In the case of the example 8, the following examples are given,
the high-rigidity lightweight material for spoke production comprises 20 parts of carbon steel, 10 parts of stainless steel, 54 parts of aluminum alloy and 18 parts of iron.
The carbon steel adopted in the high-rigidity light-weight material for producing the spokes is Q235 common carbon structural steel, the steel is iron-carbon alloy with the carbon content of 0.04-2.3%, and the aluminum alloy is one of 2024, 2A16 and 2A 02.
The preparation process of the high-rigidity lightweight material for spoke production comprises the following steps: firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10-15% acid solution, oxides on the surfaces of the materials are washed away, the cleaned materials are washed by adopting clean water for 2-3 times, the materials are dewatered, the materials are dried by adopting a drying box, the carbon steel, the stainless steel, the aluminum alloy and the iron are respectively heated by adopting a smelting furnace to be molten, the molten materials are maintained for 10-15 min in a molten state, the molten liquid materials are mixed according to the proportion of 4:3:10:3, the mixed materials are cooled to form alloy materials after being maintained for 5min in the molten state, and the cooled materials are taken out and then subjected to surface descaling.
After actual production, the spoke production material obtained when 22 parts of steel, 13 parts of stainless steel, 50 parts of aluminum alloy and 16 parts of iron is light in weight, high in hardness and good in oxidation resistance.
A high-rigidity lightweight material for spoke production is provided, and a preparation method of a bottom fabric comprises the following steps: the method comprises the following steps:
A. firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10% -15% acid solution, and oxides on the surfaces of the materials are washed away;
B. washing the cleaned material with clear water for 2-3 times, removing water from the material, and drying the material in a drying oven;
C. heating carbon steel, stainless steel, aluminum alloy and iron to be molten by adopting a smelting furnace respectively, and maintaining the molten material in a molten state for 10-15 min;
D. c, mixing the liquid materials in the step C according to the ratio of 4:3:10:3, and cooling the mixed materials after maintaining the molten state for 5 min;
E. and taking out the cooled material and then carrying out surface descaling.
The invention has the beneficial effects that:
the material has the advantages of light weight, high strength, good ductility and good oxidation resistance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a spoke production is with high rigidity lightweight material which characterized in that: the steel comprises 20-25 parts of carbon steel, 10-15 parts of stainless steel, 50-55 parts of aluminum alloy and 15-18 parts of iron.
2. The high-rigidity light-weight material for producing spokes according to claim 1, wherein: 22 parts of carbon steel, 13 parts of stainless steel, 50 parts of aluminum alloy and 16 parts of iron.
3. The high-rigidity light-weight material for producing spokes according to claim 1, wherein: the carbon steel is Q235 common carbon structural steel.
4. The high-rigidity light-weight material for producing spokes according to claim 1, wherein: the steel is an iron-carbon alloy with a carbon content of between 0.04 and 2.3 percent.
5. The high-rigidity light-weight material for producing spokes according to claim 1, wherein: the aluminum alloy is one of 2024, 2A16 and 2A 02.
6. The high-rigidity light-weight material for spoke production according to claim 1, wherein the preparation method of the bottom fabric comprises the following steps: the method comprises the following steps:
A. firstly, carbon steel, aluminum alloy and iron materials are cleaned by adopting 10% -15% acid solution, and oxides on the surfaces of the materials are washed away;
B. washing the cleaned material with clear water for 2-3 times, removing water from the material, and drying the material in a drying oven;
C. heating carbon steel, stainless steel, aluminum alloy and iron to be molten by adopting a smelting furnace respectively, and maintaining the molten material in a molten state for 10-15 min;
D. c, mixing the liquid materials in the step C according to the ratio of 4:3:10:3, and cooling the mixed materials after maintaining the molten state for 5 min;
E. and taking out the cooled material and then carrying out surface descaling.
CN202010214122.6A 2020-03-24 2020-03-24 High-rigidity lightweight material for spoke production Pending CN111349802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010214122.6A CN111349802A (en) 2020-03-24 2020-03-24 High-rigidity lightweight material for spoke production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010214122.6A CN111349802A (en) 2020-03-24 2020-03-24 High-rigidity lightweight material for spoke production

Publications (1)

Publication Number Publication Date
CN111349802A true CN111349802A (en) 2020-06-30

Family

ID=71192992

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010214122.6A Pending CN111349802A (en) 2020-03-24 2020-03-24 High-rigidity lightweight material for spoke production

Country Status (1)

Country Link
CN (1) CN111349802A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0510266B2 (en) * 1987-08-31 1993-02-09 Toyoda Gosei Kk
CN203902142U (en) * 2014-03-04 2014-10-29 台山市国际交通器材配件有限公司 Light-weight aluminum alloy cast wheel hub
CN106917015A (en) * 2017-02-27 2017-07-04 东莞市铝美铝型材有限公司 A kind of tough aluminium alloy high used for vehicle and preparation method thereof
CN209795041U (en) * 2019-03-19 2019-12-17 江西海峰重工科技有限责任公司 Front wheel hub for automobile
CN112334992A (en) * 2018-05-07 2021-02-05 西屋电气有限责任公司 Improved UF6 shipping and handling container (30W) for up to 20% by weight concentrate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0510266B2 (en) * 1987-08-31 1993-02-09 Toyoda Gosei Kk
CN203902142U (en) * 2014-03-04 2014-10-29 台山市国际交通器材配件有限公司 Light-weight aluminum alloy cast wheel hub
CN106917015A (en) * 2017-02-27 2017-07-04 东莞市铝美铝型材有限公司 A kind of tough aluminium alloy high used for vehicle and preparation method thereof
CN112334992A (en) * 2018-05-07 2021-02-05 西屋电气有限责任公司 Improved UF6 shipping and handling container (30W) for up to 20% by weight concentrate
CN209795041U (en) * 2019-03-19 2019-12-17 江西海峰重工科技有限责任公司 Front wheel hub for automobile

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
徐峰: "《新编金属材料手册》", 31 March 2017 *
徐志农: "《工程材料及其应用》", 31 March 2019 *
陈吉清: "《汽车结构轻量化设计与分析方法》", 30 April 2017 *

Similar Documents

Publication Publication Date Title
CN102730757A (en) Method for preparing high purity vanadium pentoxide through using ammonium metavanadate
CN111283173B (en) Manufacturing method of large-size automobile aluminum alloy hub
CN102839306A (en) Manufacturing method of aluminum alloy welding wire for aerospace
CN111349802A (en) High-rigidity lightweight material for spoke production
CN105506510A (en) Process for producing stainless steel wires
CN106398113A (en) Bicycle completely prepared from basalt-fiber-reinforced resin-based composite and preparation method thereof
CN115771973B (en) Method for recycling nickel and cobalt from strongly acidic wastewater
CN206187223U (en) Mother and infant car
CN206750026U (en) Multifunctional assembled sweethearts bicycle
CN108220814A (en) A kind of preparation method of the automobile-used drive sprocket of motor
CN108118386A (en) A kind of motorcycle fork axis electrolytic polishing process
CN102092446A (en) Bamboo joint type composite frame pipe fittings and forming method
CN207000720U (en) A kind of ultrashort electric bicycle of trick dual control
CN209224845U (en) A kind of resistance to deformation bicycle carbon fibre rim
CN115846454A (en) Method for forming middle pipe special for four-connecting rod
CN211638286U (en) Cooling forming equipment of aluminum alloy frame
CN205554428U (en) Combination children bike
DE102022000933B3 (en) Bike with additions to the wheels
CN109355509A (en) The method that high-titanium blast furnace slag selects rhenium
CN209260209U (en) A kind of high temperature alloy silk surface treatments
CN112498539A (en) Bicycle basket convenient to carry and dismantle
CN103302272A (en) Manufacturing method of high chromium steel composite roll
CN219382104U (en) Stable in structure wear-resisting bicycle aluminium circle
CN207464189U (en) A kind of aluminum titanium alloy manufacturing device
CN210754995U (en) Bicycle rim die

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200630