CN106269972A - The preparation for processing of big substance high-performance titanium or titanium alloy light parcel - Google Patents
The preparation for processing of big substance high-performance titanium or titanium alloy light parcel Download PDFInfo
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- CN106269972A CN106269972A CN201610711517.0A CN201610711517A CN106269972A CN 106269972 A CN106269972 A CN 106269972A CN 201610711517 A CN201610711517 A CN 201610711517A CN 106269972 A CN106269972 A CN 106269972A
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- 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
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
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Abstract
The invention belongs to metal processing sectors, relate to titanium alloy wire materials processing, be specifically related to the preparation for processing of a kind of big substance high-performance titanium or titanium alloy light parcel.Preparation method comprises the following steps: raw material preparation, hot continuous rolling, reconditioning, multi-pass roll the continuous cold drawn drawing of mould, burning optimization on line, inspection warehouse-in.Compared with the prior art, the solution have the advantages that: achieve big substance dish circle blank and produce；Realize wire rod whole process glossy surface polish；Harmless to environment, meet national requirements for environmental protection；Save multiple tracks technique, significantly reduce cost；Performance uniformity is stable.
Description
Technical field
The invention belongs to technical field of nonferrous metal processing, relate to the processing of titanium or titanium alloy silk, be specifically related to a kind of fastening
The part preparation for processing of big substance high-performance titanium or titanium alloy light parcel.
Background technology
At welding field, along with China becomes the first big Ship production state in the world, titanium or titanium alloy is at ship domain
Application more and more extensive, the requirement to titanium welding wire, welding rod is more and more higher, and particularly brightening type titanium welding wire, welding rod welds due to it
Seam quality is good, it will substitutes original product and is used widely.At aerospace field, the big Aircraft Project of recent year
Implement, bring new life to domestic titanium silk material market, bigger growth will be had in welding wire, structural filaments application.At electricity
Sub-industrial circle, due to titanium material have rotproofness, Memorability, without good characteristics such as magnetic, instrument, instrument be obtain a large amount of
Application, the titanium material new opplication in this field is increasingly paid attention to.
At present, external big substance high accuracy brightening type titanium or titanium alloy silk (hereinafter referred to as " titanium silk ") needed takes around
More than 3000 tons, it is mainly produced in the developed countries such as the U.S., Germany, Brazil, Russia, Japan.They not only monopolize the world
Market, and the most also exported by restriction because of being hitech materials, its production technology is not quite clear.At present standard component,
The special big substance of the securing member situation that brightening type titanium or titanium alloy silk demand side is under one's control in high precision does not the most change.With
Carrying out of the big Aircraft Project of China, the domestic prescription to big substance high accuracy brightening type titanium or titanium alloy silk material is higher,
It is flourish that the production of domestic big substance silk material has become as restriction High-Tech Industry in China, makes our product get into international city
, the bottleneck taken part in international competition.Therefore the high-quality titanium silk researching and developing advanced person manufactures new technique, new technology, enhances production capacities urgent
At the eyebrows and eyelashes.
Domestic production 3mm following titanium silk material yield 350 tons, domestic market demand amount is 540 tons.Meanwhile instrument, instrument
In table, structural member, the demand of parts also propose higher strict demand to titanium or titanium alloy brightening type ultrafine wire quality.
The titanium bar of generally big substance decides can the total length of drawing titanium silk finished product biscuit.The titanium silk that this total length is the longest
The concordance of its quality of biscuit is more preferable, and this realizes unmanned high-speed and continuous metaplasia product and plays decisive role Downstream processing person.Example
As, when super-long titanium wire tray material is utilized lathe in machining titanium screw or nut, can realize processing for a long time, be difficult to interrupt, raw
Product efficiency is significantly high, and therefore quality and technical index concordance is good.This gives birth to the most continuously for aviation parts or automatic lathe
It is then highly important for producing.And in the prior art, titanium silk prepare main technique for stripping off the skin, reconditioning, drawing (use graphite profit
Sliding), oxidation, drawing, alkali pickling, finished products 3～4 times, whole dish, vacuum or air anneal.The shortcoming that this technique exists, one is
Only the limit substance dish less than 10kg weighs titanium silk, and 2 people manipulate an equipment, inefficiency, and surface smoothness is the highest, it is impossible to produce
Big substance super-long titanium silk, it is impossible to meet the needs of the long-time Continuous maching of high speed of numerically controlled processing equipment.Particularly cannot meet
Unmanned automatic production.Two be alkali acid cleaning process step harm environment not environmentally, performance also unstable, surface smoothness is the highest.
Therefore for a production the most still difficult problem for big substance high-performance titanium or titanium alloy light parcel, product is in blank.
Summary of the invention
The present invention is directed to the problems referred to above, big substance circle blank, through development test, is adopted after forging and stamping, hot continuous rolling by we
Directly employing disposable argon shield heat-treatment of annealing, continuous straightening new technology cold drawn with multimode multi-pass continuous rolling, online
Solve technical barrier.The present invention adopt new technology technical scheme particularly as follows:
The preparation for processing of big substance high-performance titanium or titanium alloy light parcel, it is characterised in that comprise the following steps:
Step 1: raw material prepares, by the substance titanium or titanium alloy ingot more than 150kg, forges into length of side 115mm with forging press
～120mm rectangular billet, reconditioning residual defect, the defect such as crackle, ditch bar；
Step 2: hot continuous rolling, by blank heating to 700～900 DEG C, uses Continuous Rolling Mills of Rod to be rolled to by blankBar Wire Product wire rod；
Step 3: reconditioning, wire rod strip off the skin after reconditioning, reconditioning residual defect, crackle, ditch bar；
Step 4: use multi-pass to roll the continuous cold drawn drawing of mould, the i.e. per pass of online production the wire rod bar after reconditioning
In secondary, be by bar at least two to series connection roll between high speed scroll rolling, ultimately form 2mm～5mm bright titanium wire, described
Cold drawn drawing speed controls at 2m/min～300m/min, and this speed controlling is preferably 5,10,30,55,105,135 or 205m/
min；
Step 5: burning optimization on line, i.e., in the drawing process of 2mm～5mm bright titanium wire, every time is all heat of annealing online
Processing, this processing environment controls as being full of argon holding malleation, and temperature controls at 600 DEG C～850 DEG C, and temperature controls to be preferably
655,685,725 or 805 DEG C；
Step 6: described step 4 and step 5 passage drawing can at least 4 passages, preferably 5,6 or 7 times；
Step 7: inspection warehouse-in, uses the most online eddy current inspection, ultrasonic inspection respectively to bright titanium wire surface and inside
Detecting, surface roughness Ra is 0.4～1.2, puts in storage after the assay was approved.
Further, described step one reconditioning residual defect, after the defect such as crackle, ditch bar, bar is taken off and descales, its
In strip off the skin process use soluble oil lubrication.
Compared with the prior art, the solution have the advantages that:
1, achieve big substance dish circle blank to produce.The present invention breach to substance more than 150 kilograms dish circle blank enter
Row production and processing technology.Online cold drawn drawing speed is 2m/min～300m/min, significantly improves than existing technique, production efficiency
Improve 10～30 times.Additionally, because using cold drawn drawing, be different from the hot-drawn of prior art, so titanium silk will not produce oxidation
Film, it is achieved wire rod whole process glossy surface polish.
2, continuous cold drawn production technology.Use multimode multi-pass continuous drawing processes efficiency, lumber recovery, energy-conservation suburb fruit
Being improved significantly, bar is taken off the process that strips off the skin that descales and is used soluble oil lubrication by early stage, abandons existing employing
Graphite preparation lubricates, therefore harmless to environment, meets national requirements for environmental protection.
3, annealing heat treatment process route, makes a material move back through vacuum owing to have employed online drawing heat treatment of disposably annealing
After fire, physicochemical property meets use requirement, saves multiple tracks technique, significantly reduces cost.
4, big substance realizes downstream production efficiency raising, and serialization digital control processing is produced significant impact, performance uniformity
Good, stable, performance rate of change is less than 3%.
Detailed description of the invention
Below embodiments of the invention are described in detail.
In order to prepare big substance high performance titanium or titanium alloy light parcel, the preparation for processing of the present invention includes following
Step:
Step 1: raw material prepares, by the substance titanium or titanium alloy ingot more than 150kg, forges into length of side 115mm with forging press
～120mm rectangular billet, reconditioning residual defect, crackle, ditch bar；
Step 2: hot continuous rolling, by blank heating to 700～900 DEG C, uses Continuous Rolling Mills of Rod to be rolled to by blankBar Wire Product wire rod；
Step 3: reconditioning, wire rod strip off the skin after reconditioning, reconditioning residual defect, crackle, ditch bar；
Step 4: use multi-pass to roll the continuous cold drawn drawing of mould, the i.e. per pass of online production the wire rod bar after reconditioning
In secondary, be by bar at least two to series connection roll between high speed scroll rolling, ultimately form 2mm～5mm bright titanium wire；Described
Cold drawn drawing speed controls at 2m/min～300m/min；
Step 5: burning optimization on line, i.e., in the drawing process of 2mm～5mm bright titanium wire, every time is all heat of annealing online
Processing, this processing environment controls as being full of argon holding malleation, and temperature controls at 600 DEG C～850 DEG C；
Step 6: described step 4 can be repeated several times with step 5 passage drawing；
Further it is improved by, at least 4 passages of described drawing；
Step 7: inspection warehouse-in, uses the most online eddy current inspection, ultrasonic inspection respectively to bright titanium wire surface and inside
Detecting, roughness Ra is 0.4～1.2, puts in storage after the assay was approved.
The present embodiment is through numerous studies and test, and technology cold drawn to multimode multi-pass has carried out Scientific summarization, found
The continuous cold pull technology of applicable titanium or titanium alloy silk.This technology uses multimode time multi-pass continuous drawing.Use this technology
Working (machining) efficiency, lumber recovery, energy-conservation suburb fruit are all improved significantly, and meet national requirements for environmental protection, it is achieved that produce big substance light
The demand of bright type titanium or titanium alloy silk.In terms of titanium or titanium alloy performance detection technique method, have developed macroscopic examination method, micro-
The multiple ways such as mirror method, laser diameter measuring instrument solve to detect titanium alloy wire materials physics, chemical property, make product quality obtain
Effectively control.
The present invention uses the technology such as big substance dish circle blank, the most cold drawn, heat-treatment of annealing, continuous straightening, solves big single
Weight high precision titanium alloy wire manufactures a difficult problem.Abandon former hot-drawn system and soda acid wash the technique on processed filament material surface, reduce energy consumption,
Eliminate the impact on environment in a material course of processing.
Therefore, by the present invention change over tradition silk material production model, decrease production passage, decrease the energy and disappear
Consumption.Standard component, securing member special big substance high accuracy brightening type titanium or titanium alloy silk production efficiency and yield rate is made to be greatly improved,
Invisible loss reduces.Control to make product quality, stability and concordance be improved by reinforcement production process simultaneously, meet more
Many customer demands.
Claims (4)
1. the preparation for processing of big substance high-performance titanium or titanium alloy light parcel, it is characterised in that comprise the following steps:
Step 1: raw material prepares, by substance more than the titanium or titanium alloy ingot of 150kg, with forging press forge into length of side 115mm～
120mm rectangular billet, reconditioning residual defect, the defect such as crackle, ditch bar；
Step 2: hot continuous rolling, by blank heating to 700～900 DEG C, uses Continuous Rolling Mills of Rod to be rolled to by blank
Bar Wire Product wire rod；
Step 3: reconditioning, wire rod strip off the skin after reconditioning, reconditioning residual defect, crackle, ditch bar；The described process stripped off the skin uses water solublity
Lubricant lubricates；
Step 4: the wire rod bar employing multi-pass after reconditioning is rolled every time of the continuous cold drawn drawing of mould, i.e. online production
In, be by bar at least two to series connection roll between high speed scroll rolling, ultimately form 2mm～5mm bright titanium wire, described cold
Drawing speed is drawn to control at 2m/min～300m/min；
Step 5: burning optimization on line, i.e. in the drawing process of 2mm～5mm bright titanium wire, every time is all heat treatment of annealing online,
This processing environment controls as being full of argon holding malleation, and temperature controls at 600 DEG C～850 DEG C；
Step 6: described step 4 and step 5 passage drawing can at least 4 passages；
Step 7: inspection warehouse-in, uses the most online eddy current inspection, ultrasonic inspection to carry out bright titanium wire surface and inside respectively
Detection, surface roughness Ra is 0.4～1.2, puts in storage after the assay was approved.
Preparation for processing the most according to claim 1, it is characterised in that the cold drawn drawing speed control of described step 4 exists
5,10,30,55,105,135 or 205m/min.
Preparation for processing the most according to claim 1 and 2, it is characterised in that it is 655 that the temperature of described step 5 controls,
685,725 or 805 DEG C.
Preparation for processing the most according to claim 1 and 2, it is characterised in that the passage of described step 6 is 5,6 or 7
Secondary.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282688A (en) * | 2017-07-25 | 2017-10-24 | 西部超导材料科技股份有限公司 | A kind of Ti45Nb alloy discs justify the preparation method of silk material |
| CN107377661A (en) * | 2017-09-22 | 2017-11-24 | 宝鸡市金海源钛标准件制品有限公司 | A kind of preparation method of spectacle frame titanium alloy wire materials |
| CN109013740A (en) * | 2018-07-13 | 2018-12-18 | 金川集团股份有限公司 | A kind of pure nickel silk material short route preparation process |
| CN111136120A (en) * | 2020-01-17 | 2020-05-12 | 陕西工业职业技术学院 | Processing method of large-single-weight titanium and titanium alloy wire |
| CN112246894A (en) * | 2020-09-28 | 2021-01-22 | 湖南汇博金属材料有限责任公司 | Production process of titanium fiber |
| CN114632836A (en) * | 2022-03-09 | 2022-06-17 | 攀枝花普锐升金属材料有限公司 | Film pressing method for titanium (IV) and titanium alloy wire for cold-heading fastener |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282688A (en) * | 2017-07-25 | 2017-10-24 | 西部超导材料科技股份有限公司 | A kind of Ti45Nb alloy discs justify the preparation method of silk material |
| CN107282688B (en) * | 2017-07-25 | 2019-05-24 | 西部超导材料科技股份有限公司 | A kind of preparation method of Ti45Nb alloy disc circle silk material |
| CN107377661A (en) * | 2017-09-22 | 2017-11-24 | 宝鸡市金海源钛标准件制品有限公司 | A kind of preparation method of spectacle frame titanium alloy wire materials |
| CN109013740A (en) * | 2018-07-13 | 2018-12-18 | 金川集团股份有限公司 | A kind of pure nickel silk material short route preparation process |
| CN111136120A (en) * | 2020-01-17 | 2020-05-12 | 陕西工业职业技术学院 | Processing method of large-single-weight titanium and titanium alloy wire |
| CN111136120B (en) * | 2020-01-17 | 2022-03-11 | 陕西工业职业技术学院 | Processing method of large-single-weight titanium and titanium alloy wire |
| CN112246894A (en) * | 2020-09-28 | 2021-01-22 | 湖南汇博金属材料有限责任公司 | Production process of titanium fiber |
| CN112246894B (en) * | 2020-09-28 | 2023-08-18 | 湖南汇博金属材料有限责任公司 | Production process of titanium fiber |
| CN114632836A (en) * | 2022-03-09 | 2022-06-17 | 攀枝花普锐升金属材料有限公司 | Film pressing method for titanium (IV) and titanium alloy wire for cold-heading fastener |
| CN114632836B (en) * | 2022-03-09 | 2024-03-22 | 攀枝花普锐升金属材料有限公司 | Titanium and titanium alloy wire film pressing method for cold heading fastener |
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Application publication date: 20170104 |