CN105171219A - Welding method for high-carbon steel wire rod drawing production - Google Patents
Welding method for high-carbon steel wire rod drawing production Download PDFInfo
- Publication number
- CN105171219A CN105171219A CN201510645695.3A CN201510645695A CN105171219A CN 105171219 A CN105171219 A CN 105171219A CN 201510645695 A CN201510645695 A CN 201510645695A CN 105171219 A CN105171219 A CN 105171219A
- Authority
- CN
- China
- Prior art keywords
- welding
- wire rod
- degrees celsius
- carbon steel
- steel wire
- 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
Links
- 238000003466 welding Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 229910000677 High-carbon steel Inorganic materials 0.000 title abstract description 3
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000005496 tempering Methods 0.000 claims abstract description 7
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 13
- 239000010962 carbon steel Substances 0.000 claims description 13
- 238000010792 warming Methods 0.000 claims description 10
- 238000005498 polishing Methods 0.000 claims description 5
- 244000137852 Petrea volubilis Species 0.000 claims description 4
- 229910001651 emery Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/34—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/32—Wires
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to a welding method for high-carbon steel wire rod drawing production. Firstly, two ends are pretreated; secondly, welding is carried out; thirdly, tempering is carried out; fourthly, after tempering is completed, temperature rising is kept for a period of time, and instantaneous temperature rising is carried out after natural cooling; and finally, the two ends are naturally cooled to the room temperature, so that treatment is completed. According to the welding method, chamfering treatment is carried out on the two ends during pretreatment, so that the contact performance and conductivity of the two ends are improved, and post-welding firmness is improved; through tempering, internal stress generated during welding is reduced, and the toughness of a welding position is improved; besides, the metallographic structure of the periphery of a welding line tends to be uniform, the welding position has a good elastic limit, and sorbite suitable for being drawn is obtained; the end breakage problem of the welding position in the drawing process is avoided, the end breakage rate is reduced, the production efficiency is improved, and the safety of operators is ensured.
Description
Technical field
The invention belongs to the welding point processing technology field in wire drawing production, the welding method that especially a kind of carbon steel wire rod with high drawing is produced.
Background technology
Wire rod is also wire rod, be often referred to into the minor diameter round steel of dish, but along with the progress of production technology, there is the structure of square, hexagon, fan-shaped or other section, wire rod needs with bar straightener straightening blanking before use, also remove iron scale in the machine, in bend tension repeatedly, intensity improves simultaneously.In the drawing production process of wire rod, for realizing consecutive production, need the welding carrying out wire rod head, the region after welding generally will through the high speed drawing of nine passages, and total draught is usually about 80%.Carbon steel wire rod with high is subject to the impact of welding high temperature when welding, carbide easily gathers at crystal boundary grows up, and grain growth is fast, strength of joint is reduced, and the heat conductivility of high-carbon steel is poorer than mild steel, therefore easily produce friable tissues in molten bath and zone of influence quick refrigeration, cause weld toughness to decline.
Due to the reduction of pad intensity and toughness, the deflection simultaneously in steel wire drawing process is large, makes weld in multi-pass high speed drawing process, easily produces fracture of wire, not only affect production efficiency, and also form certain threat to the personal safety of operative employee.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the welding method that a kind of carbon steel wire rod with high drawing that weld intensity is high, fastness good and reduce weld fracture is produced is provided.
The technical scheme that the present invention takes is:
The welding method that carbon steel wire rod with high drawing is produced, is characterized in that: comprise the following steps:
(1) pretreatment is carried out in two ends to be welded for two dish wire rods;
(2) two ends are welded;
(3) temper is carried out in two ends after welding;
(4) be warming up to 750 ~ 820 degrees Celsius after naturally cooling to 600 ~ 700 degrees Celsius in air again after temper, insulation a period of time;
(5), in time naturally cooling to 550 ~ 600 degrees Celsius, energising, after improving temperature, natural control has cooled process.
And the (1) described pretreatment of step comprises the following steps:
(1) straightening: by two ends to be welded straightening respectively, removes crop place burr clean with emery wheel, carries out 45 degree of chamfered that length is 2 millimeters respectively;
(2) bistrique: carry out bistrique process to two ends respectively, polishes clean with sand paper after bistrique by the impurity of two end perimeter.
And the (2) described welding of step is: weld at the temperature of 1080 ~ 1270 degrees Celsius after two end alignment, upset time was at 3 ~ 8 seconds, weld seam is wide is 1 ~ 3 millimeter, weld seam is high is 2 ~ 3 millimeters, naturally cools to 30 ~ 40 degrees Celsius, polishing welding seams place after having welded.
And the (3) described temper of step comprises the following steps:
(1) by the tempering jaw clamping of two ends after welding, interval evenly heats up 4 ~ 5 times, until temperature to 750 ~ 820 degree Celsius stop;
(2) naturally cool to 600 ~ 700 degrees Celsius in atmosphere, continue interval and be evenly warming up to 750 ~ 820 degrees Celsius;
(3) after repeating step process (2) 3 ~ 4 times, complete process.
And the (4) described temperature retention time of step is 1 minute.
And the (5) described raising temperature of step is 20 ~ 50 degrees Celsius.
Advantage of the present invention and good effect are:
In the present invention, first carry out pretreatment to two ends, then weld, then carry out temper, heating up after completing keeps a period of time, and instantaneous intensification after cooling, finally naturally cools to room temperature and complete process naturally.During pretreatment, chamfered has been carried out respectively in two ends, improves contact and the electric conductivity of two ends, increase the fastness after welding, the internal stress that temper produces when reducing welding, improves the toughness of weld, and the metallographic structure around weld seam tends to evenly, weld has good elastic limit, obtain the sorbite of suitable drawing, avoid the broken end problem of the weld in drawing process, reduce end breakage rate, enhance productivity, ensure the safety of operating personnel.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described, and following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
The welding method that carbon steel wire rod with high drawing is produced, innovation of the present invention is: comprise the following steps:
(1) pretreatment is carried out in two ends to be welded for two dish wire rods;
(2) two ends are welded;
(3) temper is carried out in two ends after welding;
(4) be warming up to 750 ~ 820 degrees Celsius after naturally cooling to 600 ~ 700 degrees Celsius in air again after temper, insulation a period of time;
(5), in time naturally cooling to 550 ~ 600 degrees Celsius, energising, after improving temperature, natural control has cooled process.
Wherein, the pretreatment that step is (1) described comprises the following steps:
(1) straightening: by two ends to be welded straightening respectively, removes crop place burr clean with emery wheel, carries out 45 degree of chamfered that length is 2 millimeters respectively;
(2) bistrique: carry out bistrique process to two ends respectively, polishes clean with sand paper after bistrique by the impurity of two end perimeter.
The (2) described welding of step is: weld at the temperature of 1080 ~ 1270 degrees Celsius after two end alignment, upset time was at 3 ~ 8 seconds, and weld seam is wide is 1 ~ 3 millimeter, and weld seam is high is 2 ~ 3 millimeters, 30 ~ 40 degrees Celsius are naturally cooled to, polishing welding seams place after having welded.
The (3) described temper of step comprises the following steps:
(1) by the tempering jaw clamping of two ends after welding, interval evenly heats up 4 ~ 5 times, until temperature to 750 ~ 820 degree Celsius stop;
(2) naturally cool to 600 ~ 700 degrees Celsius in atmosphere, continue interval and be evenly warming up to 750 ~ 820 degrees Celsius;
(3) after repeating step process (2) 3 ~ 4 times, complete process.
The (4) described temperature retention time of step is 1 minute.The (5) described raising temperature of step is 20 ~ 50 degrees Celsius.
Embodiment
The specification of carbon steel wire rod with high is: Φ 12.5, mm82B wire rod
Processing procedure is:
1. straightening: by two ends to be welded straightening respectively, removes crop place burr clean with emery wheel, carries out 45 degree of chamfered that length is 2 millimeters respectively.
2 bistriques: carry out bistrique process to two ends respectively, polish clean with sand paper after bistrique by the impurity of two end perimeter.
3 butt welding: be clamped in respectively on bonding machine two ends, adopt upset butt welding to weld, and two ends keep level, and as found, clamping device loosens, and should adjust in time.
Welding temperature is 1080 ~ 1270 DEG C, and upset time completed at 3 ~ 8 seconds, and weld seam is wide is 1 ~ 3mm, and weld seam is high is 2 ~ 3mm, and surrounding has uniform crackle, naturally cools to 30 ~ 40 DEG C at ambient temperature.
After having welded, polishing welding seams place, polishing scratch should be round and smooth, and do not have corner angle, and commissure diameter should be not less than the 95% the most suitable of original gauge or diameter of wire.
4. temper: the commissure after grinding process is clamped at tempering jaw, intermittent warming treatment 4 ~ 5 times, between every twice intensification 1 ~ 2 second, interval (namely pressing intensification button fast four to five times) to 750 DEG C ~ 820 DEG C (wire rod takes on a red color) time stop heat up.
Naturally cooling to when temperature is 650 DEG C (wire rod is kermesinus) continuous warming to 750 ~ 820 in atmosphere, DEG C (wire rod takes on a red color and sees light, do not go out skin, do not return water), naturally place cooling, then continuous warming, cooling, temperature-rise period repeat 3 ~ 4 times.
5. naturally cool to 650 DEG C in atmosphere, then continuous warming to 750 ~ 820 DEG C, be incubated 1 minute 750 ~ 820 DEG C of temperature ranges.
The mode of carrying out intermittent-heating by crawl intensification button in insulating process keeps temperature, generally wants crawl intensification button 18 ~ 20 times 1 minute domestic demand.
Cooling in summer speed is slow, and the frequency of crawl intensification button is low, and number of times is few, and winter, cooling rate was fast, and crawl intensification button frequency is high, often.
6. wait to naturally cool to 570 ~ 590 DEG C (by red to black, complete in black soon), brief energization improves temperature 20 ~ 50 DEG C (slightly returning red) again, naturally cools.
Employing said method is welded the different product obtained and carries out mechanical property test respectively, its result as shown in Table 1 and Table 2.
Table 1: the reduction of area of soldering wires sample
Table 2: the tensile strength of soldering wires
As can be seen from Table 1 and Table 2, the product obtained by method of the present invention, after welding, the reduction of area of wire rod is interval at 10%-20%, and the 85%-95% that tensile strength reaches mother metal tensile strength is interval, the good combination property of soldering tip.
Welding method improves welding quality after promoting, and 2.5 times/hundred tons that reduce end breakage rate origin are reduced to 1.16 times/hundred tons, and end breakage rate lowers 1.34 times/hundred tons.By monthly 18000 tons of finished products calculating, reduce broken end number of times about 240 times, reduce waste product 120 kg at every turn, the moon increases production 288 tons, in year increase yield 3456 tons (by finished product per ton 5500 yuan), income from sales 1,900 ten thousand yuan can be increased, contribution tax 820,000 yuan.
In the present invention, first carry out pretreatment to two ends, then weld, then carry out temper, heating up after completing keeps a period of time, and instantaneous intensification after cooling, finally naturally cools to room temperature and complete process naturally.During pretreatment, chamfered has been carried out respectively in two ends, improves contact and the electric conductivity of two ends, increase the fastness after welding, the internal stress that temper produces when reducing welding, improves the toughness of weld, and the metallographic structure around weld seam tends to evenly, weld has good elastic limit, obtain the sorbite of suitable drawing, avoid the broken end problem of the weld in drawing process, reduce end breakage rate, enhance productivity, ensure the safety of operating personnel.
Claims (6)
1. a welding method for carbon steel wire rod with high drawing production, is characterized in that: comprise the following steps:
(1) pretreatment is carried out in two ends to be welded for two dish wire rods;
(2) two ends are welded;
(3) temper is carried out in two ends after welding;
(4) be warming up to 750 ~ 820 degrees Celsius after naturally cooling to 600 ~ 700 degrees Celsius in atmosphere after temper, insulation a period of time;
(5), in time naturally cooling to 550 ~ 600 degrees Celsius, energising, completes process after naturally placing cooling after improving temperature.
2. a kind of carbon steel wire rod with high drawing according to claim 1 welding method of producing, is characterized in that: the (1) described pretreatment of step comprises the following steps:
(1) straightening: by two ends to be welded straightening respectively, removes crop place burr clean with emery wheel, carries out 45 degree of chamfered that length is 2 millimeters respectively;
(2) bistrique: carry out bistrique process to two ends respectively, polishes clean with sand paper after bistrique by the impurity of two end perimeter.
3. the welding method of a kind of carbon steel wire rod with high drawing production according to claim 1, it is characterized in that: the (2) described welding of step is: weld at the temperature of 1080 ~ 1270 degrees Celsius after two end alignment, upset time was at 3 ~ 8 seconds, weld seam is wide is 1 ~ 3 millimeter, weld seam is high is 2 ~ 3 millimeters, 30 ~ 40 degrees Celsius are naturally cooled to, polishing welding seams place after having welded.
4. a kind of carbon steel wire rod with high drawing according to claim 1 welding method of producing, is characterized in that: the (3) described temper of step comprises the following steps:
(1) by the tempering jaw clamping of two ends after welding, interval evenly heats up 4 ~ 5 times, until temperature to 750 ~ 820 degree Celsius stop;
(2) naturally cool to 600 ~ 700 degrees Celsius in atmosphere, continue interval and be evenly warming up to 750 ~ 820 degrees Celsius;
(3) after repeating step process (2) 3 ~ 4 times, complete process.
5. a kind of carbon steel wire rod with high drawing according to claim 1 welding method of producing, is characterized in that: the (4) described temperature retention time of step is 1 minute.
6. a kind of carbon steel wire rod with high drawing according to claim 1 welding method of producing, is characterized in that: the (5) described raising temperature of step is 20 ~ 50 degrees Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510645695.3A CN105171219A (en) | 2015-10-09 | 2015-10-09 | Welding method for high-carbon steel wire rod drawing production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510645695.3A CN105171219A (en) | 2015-10-09 | 2015-10-09 | Welding method for high-carbon steel wire rod drawing production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105171219A true CN105171219A (en) | 2015-12-23 |
Family
ID=54893894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510645695.3A Pending CN105171219A (en) | 2015-10-09 | 2015-10-09 | Welding method for high-carbon steel wire rod drawing production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105171219A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038920A (en) * | 2019-05-24 | 2019-07-23 | 佛山市南海汇丰铜业制品有限公司 | Realize copper pipe quantity-produced method and apparatus |
-
2015
- 2015-10-09 CN CN201510645695.3A patent/CN105171219A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038920A (en) * | 2019-05-24 | 2019-07-23 | 佛山市南海汇丰铜业制品有限公司 | Realize copper pipe quantity-produced method and apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102873447A (en) | Steel wire connecting method | |
| CN101905410A (en) | Method for producing titanium tube for salt manufacturing equipment | |
| CN1994664A (en) | Heat processed bearing ring shaping method and shaping prop | |
| CN103182591B (en) | Welding process for ultra-thick high-strength quenched and tempered S500Q steel plates for hydraulic turbine | |
| CN108441613B (en) | A kind of anti-white point control method of age-hardening plastic mould steel | |
| CN102059272A (en) | Method for horizontal continuous casting, Pilger rolling and continuous drawing of copper alloy condenser tube | |
| CN101435010A (en) | Carring bar intermediate frequency induction hardening heat treatment process and intermediate frequency quenching machine tool | |
| CN105171219A (en) | Welding method for high-carbon steel wire rod drawing production | |
| CN102689123A (en) | Rolling head and method for realizing re-nanocrystallization welding by adopting same | |
| CN104195366B (en) | A kind of processing method of high-end smartphones titanium alloy nut | |
| CN209238958U (en) | A kind of hot forging equipment | |
| CN111136398A (en) | Boiler pipeline butt welding process | |
| CN107825085A (en) | Aircraft engine tubular bracket integral welding method and aircraft engine tubular bracket | |
| CN106311793A (en) | Method for reinforcing steel wire joint | |
| CN105328319A (en) | Method for reinforcing steel wire joint | |
| CN104017976B (en) | A kind of 12Cr1MoVG high pressure pipe heat treatment after forging technique | |
| CN106808140A (en) | The method that wire joint is reinforced | |
| CN110586823A (en) | Aluminum alloy over-temperature forging method | |
| CN105710542B (en) | Method for preventing medium-high carbon steel composite welding cracks from generating | |
| CN109985925A (en) | A kind of method that wire joint is reinforced | |
| CN101850489B (en) | Process method for welding and repairing sintering trolley | |
| CN104325061B (en) | The nickel-base alloy hammering block of a kind of side of forging band steel | |
| CN105583577A (en) | Steel wire joint reinforcing method | |
| CN202207857U (en) | Gas protection mechanism for steel wire welding apparatus | |
| CN103572037A (en) | Steel hot-rolled coil plate collinear heat treatment production line and production technique thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |
|
| WD01 | Invention patent application deemed withdrawn after publication |