JPS5792137A - Heat treatment of steel wire rod - Google Patents
Heat treatment of steel wire rodInfo
- Publication number
- JPS5792137A JPS5792137A JP16895680A JP16895680A JPS5792137A JP S5792137 A JPS5792137 A JP S5792137A JP 16895680 A JP16895680 A JP 16895680A JP 16895680 A JP16895680 A JP 16895680A JP S5792137 A JPS5792137 A JP S5792137A
- Authority
- JP
- Japan
- Prior art keywords
- wire rod
- slack
- steel wire
- rotary drum
- heat treatment
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Winding Filamentary Materials (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
PURPOSE:To prevent slack owing to the heat treatment of a steel wire rod and make draw-out speed constant by detecting the slack generated in the steel wire rod and controlling the number of revolutions of a rotary drum at the time of drawing out and cooling the steel wire rod which is wound on the rotary drum and is heat treated. CONSTITUTION:A steel wire rod 2 is wound plural times on a rotary drum 7 of a heat treatment furnace 4, and is heat treated in a salt bath 6, after which it is conducted into a water tank 13 by guide rollers 12, 12a. When a slack is generated in the wire rod 2 between the guide rollers 12 and 12a, an arm 17 turns the roller 18 in contact with the wire rod 2 in an arrow direction, and from the rotating angle of a pulley 20 rotated by this, a deviation detector 21 detects the slack and emits a signal. A tachogenerator 23 detecting the slack from the fluctuation in the number of revolutions of the guide roller 12a emits a signal. From these signals, a controller 22 commands a driver 8 so as to rotate the drum at a proper rotating speed. Thereby, the rotation of the rotary drum in the salt bath 6 is controlled and stable tension is acted upon the wire rod 2, whereby the generation of slack is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16895680A JPS5792137A (en) | 1980-11-29 | 1980-11-29 | Heat treatment of steel wire rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16895680A JPS5792137A (en) | 1980-11-29 | 1980-11-29 | Heat treatment of steel wire rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5792137A true JPS5792137A (en) | 1982-06-08 |
Family
ID=15877664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16895680A Pending JPS5792137A (en) | 1980-11-29 | 1980-11-29 | Heat treatment of steel wire rod |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5792137A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62185835A (en) * | 1986-02-08 | 1987-08-14 | Koa Kagaku Kogyo Kk | Furnace for continuously heat treating wire rod |
| WO2006050680A1 (en) * | 2004-10-02 | 2006-05-18 | C.D. Wälzholz-Brockhaus GmbH | Method and device for shaping wire-shaped and rod-shaped starting materials close to the gauge block, and correspondingly produced flat profiled element |
-
1980
- 1980-11-29 JP JP16895680A patent/JPS5792137A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62185835A (en) * | 1986-02-08 | 1987-08-14 | Koa Kagaku Kogyo Kk | Furnace for continuously heat treating wire rod |
| WO2006050680A1 (en) * | 2004-10-02 | 2006-05-18 | C.D. Wälzholz-Brockhaus GmbH | Method and device for shaping wire-shaped and rod-shaped starting materials close to the gauge block, and correspondingly produced flat profiled element |
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