CN104438995A - Process for forging and rolling ZK61M magnesium alloy slab ingot - Google Patents
Process for forging and rolling ZK61M magnesium alloy slab ingot Download PDFInfo
- Publication number
- CN104438995A CN104438995A CN201410506869.3A CN201410506869A CN104438995A CN 104438995 A CN104438995 A CN 104438995A CN 201410506869 A CN201410506869 A CN 201410506869A CN 104438995 A CN104438995 A CN 104438995A
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- alloy slab
- slab ingot
- ingot
- tup
- 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
Landscapes
- Forging (AREA)
Abstract
The invention relates to a process for forging and rolling a ZK61M magnesium alloy slab ingot in the technical field of forging and rolling of magnesium alloy. The process includes the following steps that the magnesium alloy slab ingot is disposed at the position, corresponding to a hammerhead, in a forging rolling mill through a large manipulator, then the hammerhead descends at the speed of 150-170 mm per min to forge and stamp the magnesium alloy slab ingot, after one side of the magnesium alloy slab ingot is forged, the magnesium alloy slab ingot is moved out and heated to the temperature of 460+/-10 DEG C, the magnesium alloy slab ingot is then turned over, and the other side of the magnesium alloy slab ingot is forged and stamped until forging conducted on the other side is completed; the previous steps are repeated until the magnesium alloy slab ingot is forged and rolled to the required thickness. The forging and rolling yield of the ZK61M magnesium alloy slab ingot can be effectively improved through the process.
Description
[technical field]
The present invention relates to magnesium alloy forging rolling technical field, especially relate to a kind of forging rolling technique being applied to high strength ZK61M magnesium alloy slab ingot.
[background technology]
Known, because ZK61M magnesium alloy not only has good corrosion-resistant, room temperature mechanics and higher tension and compression yield strength, but also there is high-temperature instantaneous intensity and good shaping and welding performance, and serviceability temperature≤150 DEG C, therefore, it is generally used for making aircraft skin, hatch door, wallboard, long purlin, the rocking arm of operating system, bearing, guided missile covering and aerospace structural member etc.; But, in actual applications, owing to needing the density and the intensity that are improved ZK61M magnesium alloy by forging rolling, and mostly the process of forging rolling is to rely on the personal experience of Field Force to carry out decision, therefore, the forging rolling yield rate of existing high strength ZK61M magnesium alloy slab ingot is very low.
[summary of the invention]
In order to overcome the deficiency in background technology, the invention discloses a kind of technique of forging rolling ZK61M magnesium alloy slab ingot, described technique effectively can improve the forging rolling yield rate of ZK61M magnesium alloy slab ingot.
For achieving the above object, the present invention adopts following technical scheme:
A technique for forging rolling ZK61M magnesium alloy slab ingot, described processing step is as follows:
(1) high-strength steel sheet supporting with the size of magnesium alloy slab ingot, weight is lived by a large manipulator clamping, and the steel ingot being 1000 DEG C by a deblocking temperature is placed on the steel plate folded by large manipulator, then large manipulator is utilized to put to the tup of reduce roll machine by high temperature steel ingot, now, tup correspondence is dropped to above high temperature steel ingot carry out preheating; When the temperature of tup reaches 300 DEG C, rising tup, removes large manipulator fast simultaneously, and is removed fast by high temperature steel ingot;
(2) by a gadget hand, the magnesium alloy slab ingot after intensification is moved on on the steel plate of large manipulator, requiring that the upper and lower surface carbon dust of magnesium alloy slab ingot does and lubricate, requiring to lay magnesium alloy slab ingot at once when removing high temperature steel ingot simultaneously;
(3) by large manipulator, the magnesium alloy slab ingot on steel plate is placed on the position of corresponding tup, then tup is declined with the speed of 1min150 ~ 170mm and magnesium alloy slab ingot is forged and pressed; Tup has has often forged and pressed and has once just risen fast, and large manipulator advances 120 ~ 130mm simultaneously, and then forges and presses with tup; Repeat above-mentioned action until a face of magnesium alloy slab ingot has been forged; Require that the temperature of magnesium alloy slab ingot lower than 380 DEG C, otherwise must not forge and press after needing heating again;
(4) face forging and stamping of magnesium alloy slab ingot are complete, are heated to 460 ± 10 DEG C, and then turn out, forge and press another face of magnesium alloy slab ingot, until this face has been forged after being shifted out by magnesium alloy slab ingot;
(5) 3,4 above-mentioned steps are repeated, until by magnesium alloy slab ingot forging rolling to the thickness needed.
Further, the magnesium alloy slab ingot applied in described technique is of a size of 200mm × 800mm.
Further, in the step (2) of described technique, when being moved on on the steel plate of large manipulator by the magnesium alloy slab ingot after intensification, insulation asbestos cloth to be placed in magnesium alloy slab ingot upper side.
Further, described reduce roll machine is 7000 tons of reduce roll machines, and its tup is U-shaped.
Further, a forging rolling amount of described reduce roll machine is 25 ~ 29% of magnesium alloy slab ingot thickness.
Owing to adopting technical scheme as above, the present invention has following beneficial effect:
Forging rolling ZK61M magnesium alloy slab ingot of the present invention simple for process, be convenient to enforcement of regulations, technique forging rolling high strength ZK61M magnesium alloy slab ingot described in application, not only can effectively improve forging rolling yield rate, but also the cost of high strength ZK61M magnesium alloy can be reduced accordingly because of the raising of yield rate, and then reach the object increasing high strength ZK61M magnesium alloy occupation rate of market.
[detailed description of the invention]
Can explain the present invention in more detail by the following examples, disclose object of the present invention and be intended to protect all changes and improvements in the scope of the invention, the present invention is not limited to the following examples:
The processing step of forging rolling ZK61M magnesium alloy slab ingot of the present invention is as follows:
(1) reduce roll machine of 7000 tons is selected, the high-strength steel sheet supporting with the size of magnesium alloy slab ingot, weight is lived by a large manipulator clamping, and the steel ingot being 1000 DEG C by a deblocking temperature is placed on the steel plate folded by large manipulator, then large manipulator is utilized to put to the tup of reduce roll machine by high temperature steel ingot, now, tup correspondence is dropped to above high temperature steel ingot carry out preheating; When the temperature of tup reaches 300 DEG C, rising tup, removes large manipulator fast simultaneously, and is removed fast by high temperature steel ingot;
(2) by a gadget hand, the magnesium alloy slab ingot after intensification is moved on on the steel plate of large manipulator, as required, place insulation asbestos cloth in the upper side of magnesium alloy slab ingot, what decline to prevent its temperature is too fast; In addition, requiring that the upper and lower surface carbon dust of magnesium alloy slab ingot does and lubricate, requiring to lay magnesium alloy slab ingot at once when removing high temperature steel ingot simultaneously; Inaccurate poor if having time when namely removing high temperature steel ingot and place magnesium alloy slab ingot on steel plate;
(3) by large manipulator, the magnesium alloy slab ingot on steel plate is placed on the position of corresponding tup, then tup is declined with the speed of 1min150 ~ 170mm and magnesium alloy slab ingot is forged and pressed; Tup has has often forged and pressed and has once just fast risen, namely tup to magnesium alloy slab ingot pressure once for forging once, tup is after forge once rise, and large manipulator will advance 120 ~ 130mm, and then with the forging and stamping that tup carries out next time; Repeat above-mentioned action until a face of magnesium alloy slab ingot has been forged, be together when a face of magnesium alloy slab ingot is swaged into; Require during forging and stamping that the temperature of magnesium alloy slab ingot lower than 380 DEG C, otherwise must not need heating 30 ~ 40 min, reaches after preference temperature until magnesium alloy slab ingot and forges and presses;
(4) face forging and stamping of magnesium alloy slab ingot are complete, first magnesium alloy slab ingot will be heated to 460 ± 10 DEG C, and then turn out, forge and press another face of magnesium alloy slab ingot, until this face of magnesium alloy slab ingot has also been forged;
(5) the 3rd above-mentioned step and the 4th step is cycled to repeat, until namely magnesium alloy slab ingot forging rolling is completed forging rolling to the thickness needed.
Should be noted that during the technique of the forging rolling ZK61M magnesium alloy slab ingot described in enforcement:
(1) when forging rolling, a face of magnesium alloy slab ingot is once merely able to forging rolling together, namely can not twice, the same face of forging rolling continuously, when complete one of a face forging rolling, forging rolling of turning out again together, if heating forging rolling two road, magnesium closes many slab ingots and just easily ftractures, this is because the crystal size of magnesium alloy slab ingot the inside after forging is together different, this crystal is mixed crystal easy to crack, therefore can not to of a magnesium alloy slab ingot Mian Duan bis-road; Reason is also had to be that the temperature of magnesium alloy slab ingot declines very fast, when its temperature is lower than 380 DEG C of just easy crackings; The complete first of forging rolling, heats will to during the heating of magnesium alloy forging the anti-face of forging, because forging obtains forging rolling on the other surface during forging second again.
(2) tup of the reduce roll machine used is a U-shaped, namely utilizes the arc edge of tup to carry out effective guarantee magnesium alloy slab ingot and can have certain mobility when forging rolling;
(3) reduce roll machine forging rolling amount once should be 25 ~ 29% of magnesium alloy slab ingot thickness, and must note whether forging at every turn, because once forge not saturating, just easily ftractures when lower road forging rolling.
Part not in the detailed description of the invention is prior art, therefore the present invention is not described in detail.
Claims (5)
1. a technique for forging rolling ZK61M magnesium alloy slab ingot, is characterized in that: described processing step is as follows:
(1) high-strength steel sheet supporting with the size of magnesium alloy slab ingot, weight is lived by a large manipulator clamping, and the steel ingot being 1000 DEG C by a deblocking temperature is placed on the steel plate folded by large manipulator, then large manipulator is utilized to put to the tup of reduce roll machine by high temperature steel ingot, now, tup correspondence is dropped to above high temperature steel ingot carry out preheating; When the temperature of tup reaches 300 DEG C, rising tup, removes large manipulator fast simultaneously, and is removed fast by high temperature steel ingot;
(2) by a gadget hand, the magnesium alloy slab ingot after intensification is moved on on the steel plate of large manipulator, requiring that the upper and lower surface carbon dust of magnesium alloy slab ingot does and lubricate, requiring to lay magnesium alloy slab ingot at once when removing high temperature steel ingot simultaneously;
(3) by large manipulator, the magnesium alloy slab ingot on steel plate is placed on the position of corresponding tup, then tup is declined with the speed of 1min150 ~ 170mm and magnesium alloy slab ingot is forged and pressed; Tup has has often forged and pressed and has once just risen fast, and large manipulator advances 120 ~ 130mm simultaneously, and then forges and presses with tup; Repeat above-mentioned action until a face of magnesium alloy slab ingot has been forged; Require that the temperature of magnesium alloy slab ingot lower than 380 DEG C, otherwise must not forge and press after needing heating again;
(4) face forging and stamping of magnesium alloy slab ingot are complete, are heated to 460 ± 10 DEG C, and then turn out, forge and press another face of magnesium alloy slab ingot, until this face has been forged after being shifted out by magnesium alloy slab ingot;
(5) 3,4 above-mentioned steps are repeated, until by magnesium alloy slab ingot forging rolling to the thickness needed.
2. the technique of forging rolling ZK61M magnesium alloy slab ingot according to claim 1, is characterized in that: the magnesium alloy slab ingot applied in described technique is of a size of 200mm × 800mm.
3. the technique of forging rolling ZK61M magnesium alloy slab ingot according to claim 1, it is characterized in that: in the step (2) of described technique, when being moved on on the steel plate of large manipulator by the magnesium alloy slab ingot after intensification, insulation asbestos cloth to be placed in the upper side of magnesium alloy slab ingot.
4. the technique of forging rolling ZK61M magnesium alloy slab ingot according to claim 1, is characterized in that: described reduce roll machine is 7000 tons of reduce roll machines, and its tup is U-shaped.
5. the technique of forging rolling ZK61M magnesium alloy slab ingot according to claim 1, is characterized in that: a forging rolling amount of described reduce roll machine is 25 ~ 29% of magnesium alloy slab ingot thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506869.3A CN104438995A (en) | 2014-09-28 | 2014-09-28 | Process for forging and rolling ZK61M magnesium alloy slab ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506869.3A CN104438995A (en) | 2014-09-28 | 2014-09-28 | Process for forging and rolling ZK61M magnesium alloy slab ingot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104438995A true CN104438995A (en) | 2015-03-25 |
Family
ID=52886186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410506869.3A Pending CN104438995A (en) | 2014-09-28 | 2014-09-28 | Process for forging and rolling ZK61M magnesium alloy slab ingot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104438995A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074157A (en) * | 2020-08-13 | 2022-02-22 | 洛阳晟雅镁合金科技有限公司 | Forging process of high-strength ZK60A magnesium alloy round bar |
-
2014
- 2014-09-28 CN CN201410506869.3A patent/CN104438995A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074157A (en) * | 2020-08-13 | 2022-02-22 | 洛阳晟雅镁合金科技有限公司 | Forging process of high-strength ZK60A magnesium alloy round bar |
| CN114074157B (en) * | 2020-08-13 | 2024-02-02 | 洛阳晟雅镁合金科技有限公司 | Forging process of high-strength ZK60A magnesium alloy round bar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105107841B (en) | The preparation method of titanium steel composite board | |
| CN102127675B (en) | Production method of steel plate warm formed parts with high efficiency, low energy consumption and high quality | |
| RU2011122536A (en) | ANCHOR BOLT AND METHOD FOR ITS MANUFACTURE | |
| RU2012116244A (en) | METHODS FOR REDUCING PLANE DISTURBANCES IN PRODUCTS FROM ALLOYS | |
| WO2012030835A3 (en) | Electrical-assisted double side incremental forming and processes thereof | |
| CN104626676A (en) | Laminated metal composite plate for autobody and preparation method of laminated metal composite plate | |
| CN104148446A (en) | Graphite die-based correction method for deformed titanium alloy castings | |
| CN101254518B (en) | 1Mn18Cr18N steel guard ring forgeable piece forging technique for electric generating set | |
| CN104438996A (en) | ZK61M magnesium alloy slab ingot forging and rolling process | |
| CN102978440B (en) | Short-time high-temperature high-strength titanium alloy | |
| CN101920428A (en) | Aluminum alloy bodywork welding deformation flame correction method | |
| CN104384411A (en) | Magnesium alloy slab ingot forging and rolling process | |
| CN104438995A (en) | Process for forging and rolling ZK61M magnesium alloy slab ingot | |
| Mori et al. | Two-stage cold stamping of magnesium alloy cups having small corner radius | |
| CN105033131A (en) | Die steel corner forging process | |
| CN109807271A (en) | A kind of high-melting-point hafnium alloy forging rolling technique | |
| JP2009090318A (en) | Method of deep-drawing square tube made of metal plate | |
| CN208964981U (en) | A kind of tempering clamp of large thin-wall class part | |
| CN107177778B (en) | 460MPa grades of sheet metals of yield strength and its board-shape control method | |
| CN109773095A (en) | It is a kind of for forging the technique of the hollow forging of high-carbon high-alloy cold work die steel | |
| CN109759529A (en) | A kind of high strength titanium alloy forging rolling technique | |
| CN105032973A (en) | TC4 titanium alloy plate machining method | |
| CN102632174A (en) | Forging method for improving pure titanium wide plate | |
| CN105080997B (en) | A kind of preparation method of unrepeatered transmission titanium steel composite board | |
| CN103045975A (en) | Method for improving high probability of cracking in rolling of Al-Mg-Li system alloys |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |