CN104400352B - Method for processing semi-hard copper pipes - Google Patents
Method for processing semi-hard copper pipes Download PDFInfo
- Publication number
- CN104400352B CN104400352B CN201410660398.1A CN201410660398A CN104400352B CN 104400352 B CN104400352 B CN 104400352B CN 201410660398 A CN201410660398 A CN 201410660398A CN 104400352 B CN104400352 B CN 104400352B
- Authority
- CN
- China
- Prior art keywords
- copper pipe
- semi
- finished product
- copper pipes
- copper
- 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.)
- Active
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 90
- 239000010949 copper Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012545 processing Methods 0.000 title abstract description 9
- 238000000137 annealing Methods 0.000 claims abstract description 24
- 239000011265 semifinished product Substances 0.000 claims abstract description 22
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000003801 milling Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract 2
- 238000003672 processing method Methods 0.000 claims description 15
- 210000001161 mammalian embryo Anatomy 0.000 claims description 9
- 238000003754 machining Methods 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004886 process control Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention discloses a method for processing semi-hard copper pipes. The method is characterized by comprising the following steps of 1, casting copper into coarse blank copper pipes; 2, milling, rolling and drawing, namely preparing the coarse blank copper pipes into fine blank copper pipes close to standard dimensions through processing equipment and molds; 3, drawing semi-finished products, namely drawing the fine blank copper pipes into semi-finished copper pipes through a plurality of procedures by using accurate processing equipment and corresponding molds; 4, annealing online, namely annealing and softening the semi-finished copper pipes through on-line annealing equipment; 5, drawing finished products, namely drawing the softened semi-finished copper pipes again into finished copper pipes of which the dimensions and the state meet requirements through the accurate processing equipment and the corresponding molds; 6, finishing, namely finishing and coiling the finished copper pipes into copper pipe rolls according to requirements of clients on roll weight, pony roll size and flaw detection; 7, packaging, namely packaging and warehousing the copper pipe rolls.
Description
Technical field
The present invention relates to a kind of method for metal working, particularly a kind of half-hard state copper pipe processing
Method.
Background technology
Copper pipe state is divided into hard state, half-hard state and soft state, and current industry uses control
The method of annealing temperature processed produces half-hard state copper pipe, after annealing the state of copper pipe with
Deformation extent before the annealing of annealing temperature, programming rate, temperature retention time, copper pipe
Closely related etc. factor.Below for the change of processing hardening copper Annealing Property with temperature
Change curve chart, it is known that copper pipe state is interval at a relatively narrow temperature from figure
Drastically change, so that annealing temperature is accurately controlled.Actually work
During industry metaplasia is produced, annealing furnace is bulky, and temperature control is at ± 10 DEG C, and is subject to
Batch, voltage pulsation, the change of electrical heating components and parts performance, thermometric components and parts
Many-sided impact such as position and performance change, stove inner blower situation, same moves back
Ignition technique difference stove copper pipe performance difference is relatively big, performance off-gage phenomenon often occurs,
Cause product defective.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides one to be obtained in that performance
The processing method of stable half-hard state copper pipe.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of half-hard state copper pipe processing method, it is characterised in that: include
Step one, founding, by copper founding coarse-blank copper pipe；
Step 2, milling is rolled and is drawn, and is made by thick embryo copper pipe by process equipment and mould
The thin embryo copper pipe of the size that is near the mark,
Step 3, semi-finished product drawing, by finish machining equipment and corresponding mould pair
Semi-finished product copper pipe is made in the drawing that thin embryo copper pipe carries out some procedures；
Step 4, anneals online, is entered by online annealing device by semi-finished product copper pipe
Row annealing softening；
Step 5, end product drawing, the semi-finished product copper pipe after softening passes through polish
Equipment make with the drawing again of corresponding mould size and state satisfactory become
Product copper pipe.
Step 6, finishing, according to client to volume weight, coil size and flaw detection is wanted
Ask carry out finishing be wound in copper pipe volume；
Step 7, packaging；Copper pipe coil packing is put in storage.
Also needed before described step 3 according to customer status requirement, needs are set and exist
The semi-finished product copper tube size outer diameter D of line annealing and wall thickness t.
Described conditions dictate includes tensile strength Rm and elongation percentage A.
Described step 3 have employed four road drawing procedure and make semi-finished product copper pipe.
The invention has the beneficial effects as follows:
1, than existing, the half-hard state copper pipe performance that this processing method produces
Stable, uniform, improve copper pipe and produce lumber recovery；
2, than existing, this processing method does not increase drawing passes, process
In all realize basket to basket produce, improve copper pipe production efficiency, need not
Whole copper pipe is cut in the tortuous rear feeding annealing furnace of multistage；
3, than existing, this processing method uses online annealing way to soften
Copper pipe, improve energy utilization rate (original production use anneal,
Needing to use bin to load copper pipe, during annealing, bin is added together with copper pipe
Heat, cooling, energy utilization rate is low)；
4, than existing, this processing method can use requirement according to client,
The half-hard state copper pipe of customized varying strength scope (tensile strength)；
5, than existing, the half-hard state copper pipe performance that this processing method produces
Uniform and stable, it is to avoid because of between batches, with batch difference dish between
State fluctuation cause client use difficulty and scrap, improve client raw
Produce efficiency and copper pipe utilization rate；
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the process chart of new technology；
Fig. 2 is the process chart of old technology；
Fig. 3 is processing hardening copper Annealing Property and the temperature relation figure of old technology.
Detailed description of the invention
Embodiments of the invention are described below in detail, and described embodiment example is in the accompanying drawings
Illustrate, the most same or similar label represent same or similar element or
There is the element of same or like function.Describing embodiment below with reference to accompanying drawing is to show
Example, it is intended to explain the present invention, and be not considered as limiting the invention.
This processing method is applied to the industries such as air conditioner refrigerating, electronics, communication cable
Copper pipe process of manufacture, in the case of not increasing copper pipe production equipment,
By adjusting processing process, change process control method, it is thus achieved that performance is steady
Fixed half-hard state copper pipe.
With reference to Fig. 1, Fig. 2, the invention discloses a kind of half-hard state copper pipe processing method,
Comprise the following steps,
Step one, founding, by copper founding coarse-blank copper pipe；
Step 2, milling rolls and draws, by process equipment and corresponding mould by thick embryo copper
The thin embryo copper pipe of the size that is near the mark made by pipe；
Step 3, semi-finished product drawing, by finish machining equipment and corresponding mould pair
Semi-finished product copper pipe is made in the drawing that thin embryo copper pipe carries out four procedures, and every procedure disappears
Subtract certain surplus；Before this step, (this shape need to be required according to customer status
State requires mainly to include the parameter such as tensile strength Rm and elongation percentage A) needs are set
The semi-finished product copper tube size outer diameter D of online annealing and wall thickness t, in order in step 5
In drawing in stay suitably allowance,
Step 4, anneals online, is entered by online annealing device by semi-finished product copper pipe
Row annealing softening, thus improve semi-finished product copper pipe internal stress state, and under being
The drawing of one step is prepared；
Step 5, end product drawing, the semi-finished product copper pipe after softening passes through polish
Equipment make with the drawing again of corresponding mould size and state satisfactory become
Product copper pipe, drawing can make the crystalline phase body compact structure of the outer layer of semi-finished product copper pipe,
Form one layer of hardening structure, thus in this step, by changing the ginseng of mould
Number and the parameters of allowance, we are at the process control semi-finished product copper pipe of drawing
The crystalline phase body structural compactness of outer layer, thus form the hardening structure that intensity is different,
Thus effectively change the parameter such as tensile strength Rm and elongation percentage A, the method with
Front tensile strength Rm and the elongation percentage changing semi-finished product copper pipe by the way of annealing
The method of A, with a batch of copper pipe performance parameter stable and consistent, and can produce
Pre-determined characteristics parameter copper pipe accurately, therefore, it is possible to according to customer demand body
The half-hard state copper pipe of customization varying strength scope (tensile strength), meets client
Higher demand；
Step 6, finishing, according to client to volume weight, coil size and flaw detection is wanted
Ask carry out finishing be wound in copper pipe volume；
Step 7, packaging；Copper pipe coil packing is put in storage.
In above-mentioned steps, process equipment, finish machining equipment and corresponding mould are equal
It is the equipment and mold of conventional design, thus will herein be described in detail its structure.
A kind of half-hard state copper pipe processing the side above embodiment of the present invention provided
Method, is described in detail, and specific case used herein is to the present invention's
Principle and embodiment are set forth, and the explanation of above example is only intended to
Help to understand method and the core concept thereof of the present invention；Simultaneously for this area
Those skilled in the art, according to the thought of the present invention, in detailed description of the invention and
All will change in range of application, in sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (4)
1. a half-hard state copper pipe processing method, it is characterised in that: include
Step one, founding, by copper founding coarse-blank copper pipe；
Step 2, milling rolls and draws, and thick embryo copper pipe is made the thin embryo copper pipe of the size that is near the mark by process equipment and mould,
Step 3, semi-finished product drawing, semi-finished product copper pipe is made in the drawing thin embryo copper pipe being carried out some procedures by finish machining equipment and corresponding mould；
Step 4, anneals online, and by online annealing device, semi-finished product copper pipe is carried out annealing softening；
Step 5, end product drawing, the semi-finished product copper pipe after softening makes size and state satisfactory finished product copper pipe by finish machining equipment and the drawing again of corresponding mould；
Step 6, finishing, according to client, the requirement rolling up heavily, coiling size and flaw detection is carried out finishing and be wound in copper pipe volume；
Step 7, packaging；Copper pipe coil packing is put in storage.
A kind of half-hard state copper pipe processing method the most according to claim 1, it is characterised in that: also needed, according to customer status requirement, to arrange semi-finished product copper tube size outer diameter D and the wall thickness t needing online annealing before described step 3.
A kind of half-hard state copper pipe processing method the most according to claim 2, it is characterised in that: described conditions dictate includes tensile strength Rm and elongation percentage A.
A kind of half-hard state copper pipe processing method the most according to claim 2, it is characterised in that: described step 3 have employed four road drawing procedure and make semi-finished product copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660398.1A CN104400352B (en) | 2014-11-18 | 2014-11-18 | Method for processing semi-hard copper pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660398.1A CN104400352B (en) | 2014-11-18 | 2014-11-18 | Method for processing semi-hard copper pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104400352A CN104400352A (en) | 2015-03-11 |
| CN104400352B true CN104400352B (en) | 2017-01-11 |
Family
ID=52638051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410660398.1A Active CN104400352B (en) | 2014-11-18 | 2014-11-18 | Method for processing semi-hard copper pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104400352B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986306A (en) * | 2019-04-10 | 2019-07-09 | 广东海亮铜业有限公司 | It is a kind of to dissipate rosette copper pipe and its production technology greatly |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499413A (en) * | 2019-07-09 | 2019-11-26 | 浙江海亮股份有限公司 | A kind of method of pipe fitting annealing regulation performance |
| CN114141439A (en) * | 2021-11-30 | 2022-03-04 | 天津经纬辉开光电股份有限公司 | Processing and manufacturing method of diamond-lattice double-side dispensing heat-resistant paper aluminum-clad flat wire for wind power transformer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11300411A (en) * | 1994-04-14 | 1999-11-02 | Sumitomo Metal Ind Ltd | Bright annealing type clean pipe and its manufacture |
| CN100513059C (en) * | 2005-12-12 | 2009-07-15 | 浦益龙 | Production method of B7 heat transfer copper alloy seamless pipe |
| CN100520138C (en) * | 2007-06-19 | 2009-07-29 | 高新张铜股份有限公司 | Technique for processing semihard phosphorus deoxidized copper pipes |
| CN101209524A (en) * | 2007-12-21 | 2008-07-02 | 金龙精密铜管集团股份有限公司 | Method of preparing copper or copper alloy tube |
| CN102240697B (en) * | 2011-05-21 | 2013-12-25 | 广东龙丰精密铜管有限公司 | Production line of copper coil pipe |
| CN104043943A (en) * | 2013-03-11 | 2014-09-17 | 高玉树 | Manufacturing process of cupronickel pipe |
-
2014
- 2014-11-18 CN CN201410660398.1A patent/CN104400352B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986306A (en) * | 2019-04-10 | 2019-07-09 | 广东海亮铜业有限公司 | It is a kind of to dissipate rosette copper pipe and its production technology greatly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104400352A (en) | 2015-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106448924B (en) | A kind of magnesium oxide mineral insulation cable production method | |
| Shi et al. | Electric hot incremental forming of low carbon steel sheet: accuracy improvement | |
| CN104400352B (en) | Method for processing semi-hard copper pipes | |
| CN104249090B (en) | A kind of superhigh intensity precision rectangular tube forming method and device | |
| CN106425314A (en) | Combined manufacturing method of titanium alloy curvature component with ribs | |
| CN104707927B (en) | A kind of improve variable cross-section aluminum alloy die forgings tissue and the hot-working method of performance | |
| CN107186139A (en) | The H profile steel manufacture method of nuclear fusion stack magnet support | |
| CN103556094A (en) | Method for forging and producing TC4 titanium alloy bars by using precision forging machine | |
| Fazeli et al. | Statistical analysis of dimensional changes in thermomechanical tube-spinning process | |
| CN104368621B (en) | A kind of manufacture method of sheet metal | |
| CN105127342A (en) | Titanium and titanium alloy billet and forging method thereof | |
| CN105401044A (en) | Copper alloy wire for ultrafine machining and preparing method for copper alloy wire | |
| CN104233136A (en) | Production process for obtaining copper alloy strip with uniform and small grains | |
| CN105463171A (en) | Manufacturing method for austenitic stainless steel bar used for nuclear power reactor | |
| CN105195541B (en) | Overcritical power station steam turbine blade GH4738 alloy fine grain base preparation methods | |
| CN105880442B (en) | One kind set forging receives forming method with empty | |
| CN109328120A (en) | Method for the ducted body of ferrite FeCrAl alloy to be shaped to pipe | |
| CN108237197A (en) | A kind of forging method for improving the flaw detection of structural steel large-sized ring part | |
| CN108746440B (en) | A kind of high cylindrical forged piece segmentation milling method of large-sized high-temperature alloy | |
| CN110639960B (en) | Full-automatic hot rolling steel drawing method | |
| CN110814249B (en) | Forming method of stainless steel long pipe forging | |
| WO2008111723A1 (en) | Ball joint integrated aluminum control arm for automobile and method of fabricating the same | |
| CN103586392B (en) | Method for manufacturing large titanium alloy fan damping platform blade blank | |
| CN111069445B (en) | Wall thickness control method for expanding and drawing copper pipe | |
| CN111958193A (en) | Preparation method of alloy wire difficult to deform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for processing semi-hard copper pipes Effective date of registration: 20171215 Granted publication date: 20170111 Pledgee: Zhengzhou Branch of China Minsheng Bank Co.,Ltd. Pledgor: WUXI GOLDEN DRAGON KAWAMURA PRECISION TUBE Co.,Ltd.|CHONGQING LONGYU PRECISE COPPER TUBE Co.,Ltd.|HENAN LONGHUI COPPER INDUSTRY Co.,Ltd.|Xinxiang Jinxiang Precision Pipe Fittings Co.,Ltd.|XINXIANG LONGTENG REFRIGERATION HIGH-TECH CO.,LTD.|JIANGSU CANGHUAN COPPER PRODUCTS CO.,LTD.|GOLDEN DRAGON PRECISE COPPER TUBE Group Inc.|GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD. Registration number: 2017990001045 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 519090 No. 236 Shangdu Street, Hongqi Town, Jinwan District, Zhuhai City, Guangdong Province Patentee after: GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD. Address before: 519000 East Shuanglin Road, Zhuhai Avenue, Jinwan District, Zhuhai City, Guangdong Province Patentee before: GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190814 Granted publication date: 20170111 Pledgee: Zhengzhou Branch of China Minsheng Bank Co.,Ltd. Pledgor: GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD. Registration number: 2017990001045 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for processing semi-hard copper pipes Effective date of registration: 20190904 Granted publication date: 20170111 Pledgee: Zhengzhou Branch of China Minsheng Bank Co.,Ltd. Pledgor: GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD. Registration number: Y2019990000126 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220801 Granted publication date: 20170111 Pledgee: Zhengzhou Branch of China Minsheng Bank Co.,Ltd. Pledgor: GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD. Registration number: Y2019990000126 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |