CN114273480B - Rolling forming method for plate surface microstructure - Google Patents
Rolling forming method for plate surface microstructure Download PDFInfo
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- CN114273480B CN114273480B CN202111671151.6A CN202111671151A CN114273480B CN 114273480 B CN114273480 B CN 114273480B CN 202111671151 A CN202111671151 A CN 202111671151A CN 114273480 B CN114273480 B CN 114273480B
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Abstract
The invention relates to the technical field of metal processing methods, in particular to a roll forming method of a plate surface microstructure. Setting a roller mechanism on a rolling mill, starting the rolling mill to drive the roller mechanism, and rolling a plate arranged on the rolling mill; the heating device and the compression roller mechanism are arranged on the rolling mill, the heating device is started to heat the plate until the plate is recrystallized, and then the rolling mill is started to drive the compression roller mechanism to roll the plate. Firstly, rolling a plate by using a roller mechanism, accumulating large plastic deformation in the plate, and increasing the driving force of recrystallization; then, heating and preserving heat to the plate by using a heating device arranged on the rolling mill, so that the plate is recrystallized; finally, the pressing roller mechanism rolls the heated and insulated plate, small grains on the plate can be convenient for filling grooves on the pressing roller, and the precision of the microstructure on the surface of the plate is improved.
Description
Technical Field
The invention relates to the technical field of metal processing methods, in particular to a roll forming method of a plate surface microstructure.
Background
The metal or alloy surface is processed with microstructures with specific shapes and sizes, so that the metal has the functions of superhydrophobicity, drag reduction, stealth, wear resistance, stain resistance and the like, and the technology has wide application prospects in the fields of aviation, aerospace, navigation and the like.
The microstructure on the surface of the metal or alloy can be formed by adopting a rolling method, and the microstructure is mainly formed on the surface of the metal or alloy by acting on the surface of the metal or alloy through a pressing roller mechanism so as to promote crystal grains of the metal or alloy to fill grooves on the pressing roller, thereby forming the microstructure on the surface of the metal or alloy. When the grain size of the metal or alloy approaches the groove size, it is difficult to fill the grooves on the press roller, and thus, the accuracy of the metal or alloy surface microstructure is affected, thereby weakening the function of the metal or alloy surface microstructure.
Disclosure of Invention
The problem addressed by the present invention is how to facilitate filling of grains of metal or alloy into grooves on a press roll.
In order to solve the above problems, the present invention provides a roll forming method of a microstructure on a surface of a sheet, including:
the method comprises the steps of arranging a roller mechanism on a rolling mill, starting the rolling mill to drive the roller mechanism, rolling a plate arranged on the rolling mill, accumulating large plastic deformation in the plate, and introducing high energy storage;
the heating device and the compression roller mechanism are arranged on the rolling mill, the heating device is started to heat and preserve heat of the rolled plate until the plate is recrystallized, and then the rolling mill is started to drive the compression roller mechanism to roll the plate.
The invention has the technical effects that: firstly, rolling a plate by using a roller mechanism, accumulating large plastic deformation in the plate, introducing high energy storage, and increasing the driving force of recrystallization; and then, heating and preserving heat of the plate by using a heating device arranged on the rolling mill, and generating fine new crystal grains without distortion in the original deformed structure, namely, recrystallizing. Therefore, the large grain structure of the plate is refined into the small grain structure, at the moment, the heated and heat-preserved plate is rolled by the pressing roller mechanism, and small grains on the plate can be convenient for filling grooves on the pressing roller, so that the precision of the microstructure on the surface of the plate is improved.
Optionally, the heating device includes a guide plate and a power source, the guide plate and the power source are both disposed on the rolling mill, and the starting the heating device to heat the plate includes: the plate, the compression roller mechanism, the guide plate and the power supply are sequentially connected in series to form a circuit loop, and the circuit loop heats and keeps the temperature of the plate for a first preset time.
Optionally, when the length of the sheet is equal to the distance between the guide plate and the pressing roller mechanism, the activating the heating device to heat the sheet further includes: one end of the plate is electrically connected with the press roller mechanism, and the other end of the plate is electrically connected with the guide plate.
Alternatively, when the length of the sheet material is greater than the distance between the guide plate and the platen roller mechanism,
the first starting the heating device to heat the plate until the plate is recrystallized, and then starting the rolling mill to drive the press roller mechanism to roll the plate comprises the following steps: one end of the plate is electrically connected with the compression roller mechanism, and the middle part of the plate is electrically connected with the guide plate;
when any point between the middle part and the other end of the plate moves from the guide plate to the press roller mechanism, the circuit loop heats and keeps the temperature of any point on the plate for a second preset time, and the second preset time is the same as the first preset time.
Optionally, the heating device further includes a platen and a screw, the platen is disposed on the rolling mill, and the starting the heating device to heat the plate further includes: the pressing plate and the guide plate are respectively arranged on the upper side and the lower side of the plate, and the screw penetrates through the pressing plate and the guide plate.
Optionally, the rolling the plate provided on the rolling mill includes: when the plate is an aging strengthening alloy, the plate is firstly arranged in a heating furnace for solution treatment, and then is arranged on a roller mechanism for rolling.
Optionally, the rolling the plate provided on the rolling mill further comprises: and arranging the plate on the roller mechanism for rolling for a plurality of times.
Optionally, the roll mechanism includes an upper roll and a lower roll, and the rolling the plate provided on the rolling mill further includes: and setting the plate between the upper roller and the lower roller, and adjusting the rotation speeds of the upper roller and the lower roller to ensure that the rotation speeds of the upper roller and the lower roller are different.
Optionally, the press roller mechanism includes a press roller, and the disposing the heating device and the press roller mechanism on the rolling mill includes: the lower roll is removed from the rolling mill and the press roll is positioned on the rolling mill.
Optionally, the rolling the plate provided on the rolling mill further comprises: the front end of the sheet is cut into a wedge shape.
Drawings
FIG. 1 is a flow chart of a roll forming method of a sheet material surface microstructure according to an embodiment of the present invention;
FIG. 2 is a side view of a roll mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of a press roller mechanism according to an embodiment of the present invention;
fig. 4 is an enlarged view of area a in fig. 3.
Reference numerals:
1. a roller mechanism; 11. an upper roller; 12. a lower roller; 2. a heating device; 21. a guide plate; 22. a power supply; 23. a screw; 24. a pressing plate; 31. a press roller; 311. a groove; 4. a sheet material.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Herein, an X-axis is provided, wherein the forward direction of the X-axis represents the front and the reverse direction of the X-axis represents the rear.
In order to solve the above problems, as shown in fig. 1, a roll forming method of a microstructure on a surface of a plate according to an embodiment of the present invention includes,
step S1: the rolling mill is started to drive the rolling mill 1 to roll the plate 4 arranged on the rolling mill, large plastic deformation is accumulated in the plate 4, and high energy storage is introduced;
step S2: the heating device 2 and the compression roller mechanism are arranged on the rolling mill or another rolling mill, the heating device 2 is started to heat the rolled plate 4 until the plate 4 is recrystallized, and then the rolling mill is started to drive the compression roller mechanism to roll the plate 4.
Wherein the sheet material 4 is made of a metallic material. The roller mechanism 1, the compression roller mechanism and the heating device are all detachably assembled on the rolling mill, and the rolling mill is respectively connected with the roller mechanism 1 and the compression roller mechanism in a transmission way, so that the roller mechanism 1 and the compression roller mechanism can be respectively driven when the rolling mill is started; meanwhile, grooves 311 are formed in the press roller, and when the press roller mechanism rolls the plate 4, grains of the plate 4 fill the grooves 311 in the press roller mechanism.
In summary, the plate 4 is rolled by using the roller mechanism 1, large plastic deformation is accumulated in the plate 4, high energy storage is introduced, and the driving force of recrystallization is increased; then, the plate 4 is heated and insulated by a heating device 2 arranged on the rolling mill, and fine new crystal grains without distortion are generated in the original deformed structure, namely, recrystallization is generated. Therefore, the large grain structure of the plate 4 is thinned into the small grain structure, at the moment, the heated and heat-preserved plate 4 is rolled by the pressing roller mechanism, and small grains on the plate 4 can be convenient for filling grooves 311 on the pressing roller, so that the precision of the microstructure on the surface of the plate 4 is improved.
Alternatively, as shown in fig. 3, the heating device 2 includes a guide plate 21 and a power source 22, both of the guide plate 21 and the power source 22 are disposed on the rolling mill, and the guide plate 21 is located at the rear end of the press roller mechanism, and starting the heating device 2 to heat the sheet 4 includes, step S21: the sheet material 4, the press roller mechanism, the guide plate 21 and the power supply 22 are sequentially connected in series to form a circuit loop, and the circuit loop heats and keeps the temperature of the sheet material 4 for a first preset time.
The guide plate 21 may be a copper plate, and the sheet material 4, the pressing roller mechanism, the guide plate 21, and the power source 22 may be connected in series using electric wires. If the plate 4 is 2A97 aluminum lithium alloy, the first preset time can be 20s, namely, the circuit loop firstly heats the plate 4 for 5s, the plate reaches the recrystallization temperature of 520 ℃, and the circuit loop keeps the temperature of the plate 4 for 15s again, so that the plate 4 is completely recrystallized. When the length of the plate material 4 is small, the front end of the plate material 4 may be electrically connected to the press roller mechanism, and the rear end of the plate material 4 may be electrically connected to the guide plate 21.
In the present embodiment, the sheet 4 is heated by the thermal effect of the electric current. In summary, compared with the use of other heating mechanisms, such as a heating furnace, for heating the plate 4 by adopting electric heating, on one hand, the plate 4 can be directly rolled after being heated on line, so that heat loss and temperature reduction in the process of transferring the plate 4 from the hearth to the compression roller mechanism are avoided, the temperature of the plate 4 can be precisely controlled when the plate 4 is rolled, and meanwhile, the plate 4 can be quickly heated by adopting an electric heating mode, so that the process flow is quickened; on the other hand, the heating device 2 only comprises the guide plate 21 and the power supply 22, has a small structure, is convenient to be arranged on a rolling mill, and simplifies the structure of equipment. In addition, the heating device 2 has a smaller structure, and is convenient for arranging the guide plate 21 and the power supply 22 on the rolling mill, so that the heating device 2 cannot influence the rolling process of the plate 4 by the rolling mill, and the smoothness of the process is ensured.
Optionally, when the length of the sheet material 4 is equal to the distance between the guide plate 21 and the pressing roller mechanism, the step S211 of starting the heating device to heat the sheet material 4 further includes: one end of the plate 4 is electrically connected to the press roller mechanism, and the other end of the plate 4 is electrically connected to the guide plate 21.
Wherein one end of the plate 4 is the front end of the plate 4, and the other end of the plate 4 is the rear end of the plate 4.
In the present embodiment, when the length of the plate material is small, both ends of the plate material 4 are electrically connected to the guide plate 21 and the pressing roller mechanism, respectively, and since the guide plate 21 and the pressing roller mechanism are electrically connected to the positive and negative electrodes of the power source 22, respectively, the plate material 4 is integrally provided in the circuit loop. Thus, the heating device 2 can heat the whole sheet 4 before starting the rolling mill to drive the press roller mechanism to roll the sheet 4, so that the whole sheet 4 can be recrystallized. Thereby, the smoothness of rolling the sheet material 4 can be ensured.
Optionally, when the length of the sheet is greater than the distance between the guide plate 21 and the press roller mechanism, the heating device 2 is started to heat the sheet 4 until the portion of the sheet 4 close to the press roller mechanism is completely recrystallized, and the rolling mill is started to drive the press roller mechanism to roll the sheet 4, which includes the step S212: one end of the plate 4 is electrically connected with the press roller mechanism, and the middle part of the plate 4 is electrically connected with the guide plate 21;
step S22: the pressing roller mechanism is used for driving the plate 4 to move, and when any point between the middle part and the other end of the plate 4 moves from the guide plate 21 to the pressing roller mechanism, the circuit loop heats and keeps the temperature of any point on the plate 4 for a second preset time, and the second preset time is the same as the first preset time.
Wherein, the press roller mechanism drives the plate 4 to move forwards, and the second preset time can be 20s.
In the present embodiment, when the length of the plate material 4 is large, taking the distance between the guide plate 21 and the pressing roller mechanism as 30cm and the length of the plate material 4 as 3m as an example, the plate material 4 is divided into 10 equal length sections with reference to 30cm, and a first section, a second section, a third section … … and a tenth section are sequentially arranged from front to back. Before the rolling mill is started to drive the press roller mechanism to roll the plate 4, the front end of the first section on the plate 4 is arranged in a roll gap of the press roller mechanism and is electrically connected with the press roller mechanism, and as the plate 4 is horizontally arranged at the rear side of the press roller mechanism, the rear end of the first section on the plate 4 is electrically connected with the guide plate 21, namely, the circuit loop firstly heats and keeps the first section on the plate 4 for a first preset time, so that the first section on the plate 4 is completely recrystallized; then, when the rolling mill is started to drive the press roller mechanism to roll the first section on the plate 4, the press roller mechanism drives the plate 4 to move forwards and gradually brings the second section on the plate 4 into the circuit loop, the second section on the plate 4 is always in the circuit loop when moving between the guide plate 21 and the press roller mechanism, and any point of the second section on the plate 4 is moved to the press roller mechanism from the guide plate 21 to require a second preset time, namely the circuit loop heats and keeps the second section on the plate 4 for the second preset time, and the second preset time is the same as the first preset time, so that the second section on the plate 4 is completely recrystallized in the second preset time. In summary, since the front end of the second section on the plate 4 coincides with the rear end of the first section on the plate 4, and the second section on the plate 4 is equal to the first section on the plate 4, the press roller mechanism is used for rolling the first section on the plate 4, and the recrystallization process is just completed with the front end of the second section on the plate 4, and the second preset time is just needed for entering the roll gap of the press roller mechanism. Meanwhile, it can be deduced in sequence that the second section of rolling on the plate 4 is completed by the pressing roller mechanism, the complete recrystallization process is just completed with the front end of the third section on the plate 4, the second preset time … … is just needed in the roll gap entering the pressing roller mechanism, the eighth section of rolling on the plate 4 is completed by the pressing roller mechanism, the recrystallization process is just completed with the front end of the ninth section on the plate 4, and the second preset time is just needed in the roll gap entering the pressing roller mechanism. Therefore, when the press roller mechanism rolls the front side of the plate 4, the circuit loop continuously heats the rear side of the plate 4 to be recrystallized, the press roller mechanism can continuously roll the plate 4, and the smoothness of the rolling process is ensured. Meanwhile, the front side of the plate 4 is rolled by the pressing roller mechanism, and the rear side of the plate 4 is heated and insulated by the circuit loop until recrystallization can be synchronously performed, so that the time for generating the microstructure on the plate 4 can be saved for the structure with the longer length of the plate 4.
In addition, when the rear end of the tenth section of the sheet material 4 moves between the guide plate 21 and the press roller mechanism, the circuit is broken, that is, the tenth section of the sheet material 4 cannot be heated and kept warm until recrystallization. Therefore, after the first to ninth sections of the sheet material 4 are rolled using the press roller mechanism, the tenth section of the sheet material 4 can be cut off.
Optionally, as shown in fig. 3, the heating device 2 further includes a pressing plate 24 and a screw 23, the pressing plate 24 is disposed on the rolling mill, and starting the heating device 2 to heat the sheet 4 further includes step S213: the pressing plate 24 and the guide plate 21 are respectively provided on the upper and lower sides of the plate 4, and the screw 23 passes through the pressing plate 24 and the guide plate 21.
Wherein the pressing plate 24 may be disposed at the upper end of the plate 4, the guide plate 21 may be disposed at the lower end of the plate 4, the pressing plate 24 and the guide plate 21 may be penetrated from top to bottom by using the screw 23, and a nut may be disposed at the lower end of the screw 23.
The screw 23 is further sleeved with a spring, the spring is located between the nut and the pressing plate 24, one end of the spring is abutted against the nut, and the other end of the spring is abutted against the pressing plate 24.
In this embodiment, by tightening the screw 23, a large force can be generated on the pressing plate 24, which is transmitted to the plate material 4, and the plate material 4 can be pressed against the guide plate 21, facilitating the electrical connection of the plate material 4 and the guide plate 21. At the same time, unscrewing the screw 23 reduces the force between the sheet 4 and the guide 21, thereby reducing the friction between the sheet 4 and the guide 21 and facilitating the forward movement of the sheet 4. In summary, by tightening or loosening the screw 23, the acting force between the plate 4 and the guide plate 21 can be adjusted, and through reasonable adjustment, the plate 4 and the guide plate 21 can be ensured to be electrically connected, and the plate 4 and the guide plate 21 can be ensured to slide relatively, so that the plate 4 can move forwards conveniently.
Optionally, rolling the sheet 4 provided on the rolling mill includes step S11: when the plate material 4 is an aging strengthening alloy, for example, a 2a97 aluminum lithium alloy, the plate material 4 is first placed in a heating furnace to be subjected to solution treatment, and then the plate material 4 is placed on the roll mechanism 1 to be rolled.
In this example, the plate 4 was heated to 520 ℃ using a heating furnace and kept for 1.5 hours before the plate 4 was rolled. Thereby, the plasticity and toughness of the plate 4 are improved, and the plate 4 is prevented from being broken during the rolling process, and the rolling process of the plate 4 can be sequentially performed.
Optionally, rolling the sheet 4 provided on the rolling mill further includes a step S12: the sheet 4 is rolled a plurality of times using a rolling mill.
In the present embodiment, when the plate material 4 is rolled with a large reduction amount only once using the roll mechanism 1, a large plastic deformation can be obtained, but the plate material 4 is liable to crack. On one hand, the rolling mill is used for rolling the plate 4 for a plurality of times with small rolling reduction, so that large plastic deformation can be accumulated in the plate 4 conveniently, high energy storage is introduced, and the driving force of subsequent recrystallization is increased; on the other hand, the roller mechanism 1 exerts a small force on the sheet material 4, and cracking of the sheet material 4 can be prevented.
Optionally, as shown in fig. 2, the rolling mechanism 1 includes an upper roller 11 and a lower roller 12, and the rolling of the sheet material 4 provided on the rolling mill further includes a step S13: the front end of the sheet material 4 is placed between the upper roller 11 and the lower roller 12, and the rotational speeds of the upper roller 11 and the lower roller 12 are adjusted so that the rotational speeds of the upper roller 11 and the lower roller 12 are different.
In the present embodiment, by adjusting the rotational speeds of the upper roller 11 and the lower roller 12, that is, the force of the upper roller 11 against the upper surface of the plate 4 and the force of the lower roller 12 against the lower surface of the plate 4 during rolling of the plate 4 are different. Thus, the sheet material 4 is liable to generate a large shear strain, facilitating accumulation of a large plastic deformation in the sheet material 4. In addition, in the last pass, the reduction is adjusted, and the rotational speeds of the upper roller 11 and the lower roller 12 are adjusted, so that the flattening of the sheet material 4 can be more facilitated.
Alternatively, as shown in fig. 3 and 4, the press roller mechanism includes a press roller 31, and the setting of the heating device 2 and the press roller mechanism on the rolling mill includes, step S23: the upper roll 11 or the lower roll 12 is removed from the rolling mill, and the press roll 31 is provided on the rolling mill.
Wherein the groove 311 is located on the press roller 31, and the upper roller 11 and the press roller 31 are combined into a press roller mechanism.
In the present embodiment, when the press roller mechanism is provided, only the upper roller 11 or the lower roller 12 in the roller mechanism 1 needs to be removed, and the press roller 31 is assembled to the rolling mill, so that the whole of the roller mechanism 1 is not required to be removed, and the whole of the press roller mechanism is not required to be installed, thereby simplifying the process of generating the microstructure on the plate 4. Meanwhile, the upper roller 11 and the lower roller 12 are combined into a roller mechanism 1, the upper roller 11 and the press roller 31, and the lower roller 12 and the press roller 31 are combined into a press roller mechanism, so that the roller mechanism 11 and the press roller mechanism are not required to be arranged on the rolling mill at the same time, the structure of the equipment is simplified, and the load of the rolling mill is reduced.
Optionally, as shown in fig. 2, rolling the sheet material 4 provided on the rolling mill further includes a step S14: the front end of the plate material 4 is cut into a wedge shape.
In the present embodiment, the front end of the plate material 4 is cut into a wedge shape, so that the upper roller 11 and the lower roller 12 are facilitated to bite the front end of the plate material 4, thereby facilitating rolling.
The roll forming device of the plate surface microstructure according to another embodiment of the present invention is applied to the roll forming method of the plate surface microstructure described above, and includes a rolling mill, a roll mechanism 1, a heating device 2 and a press roll mechanism, where the roll mechanism 1, the heating device 2 and the press roll mechanism are all suitable for being disposed on the rolling mill.
In the present embodiment, when the sheet 4 is rolled, the roll mechanism 1 is assembled on the rolling mill, the sheet 4 is set on the rolling mill, and when the rolling mill is started, the roll mechanism 1 is driven to roll the sheet 4; when the plate 4 is rolled, the roller mechanism 1 is removed, the roller mechanism and the heating device 2 are assembled on the rolling mill in sequence, the heating device 2 is started to heat the plate 4, the plate 4 is recrystallized, then the rolling mill is started, the roller mechanism is driven to roll the plate 4, and microstructures distributed in an array form are generated on the surface of the plate 4.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (7)
1. The roll forming method of the plate surface microstructure is characterized by comprising the following steps of:
setting a roller mechanism (1) on a rolling mill, and starting the rolling mill to drive the roller mechanism (1) to roll a plate (4) arranged on the rolling mill;
the heating device (2) and the compression roller mechanism are arranged on the rolling mill, the heating device (2) is started to heat and preserve heat of the plate (4) until the plate (4) is recrystallized, and then the rolling mill is started to drive the compression roller mechanism to roll the plate (4);
the heating device (2) comprises a guide plate (21) and a power supply (22), the guide plate (21) and the power supply (22) are both arranged on the rolling mill, and the starting of the heating device (2) to heat the plate (4) comprises the following steps: sequentially connecting the plate (4), the compression roller mechanism, the guide plate (21) and the power supply (22) in series to form a circuit loop, wherein the circuit loop heats and keeps the plate (4) for a first preset time;
when the length of the plate (4) is equal to the distance between the guide plate (21) and the press roller mechanism, the starting the heating device to heat the plate (4) further comprises: one end of the plate (4) is electrically connected with the compression roller mechanism, and the other end of the plate (4) is electrically connected with the guide plate (21);
when the length of the plate is longer than the distance between the guide plate (21) and the press roller mechanism, the heating device (2) is started to heat and preserve heat of the plate (4) until the plate (4) is recrystallized, and then the rolling mill is started to drive the press roller mechanism to roll the plate (4) comprises the following steps: one end of the plate (4) is electrically connected with the compression roller mechanism, and the middle part of the plate (4) is electrically connected with the guide plate (21);
when any point between the middle part and the other end of the plate (4) moves from the guide plate (21) to the compression roller mechanism, the circuit loop heats and keeps the temperature of any point on the plate (4) for a second preset time, and the second preset time is the same as the first preset time.
2. The roll forming method of sheet surface microstructure of claim 1 wherein the heating means (2) further comprises a platen (24) and screws (23), the platen (24) being disposed on the rolling mill, the activating the heating means (2) to heat the sheet (4) further comprising: the pressing plate (24) and the guide plate (21) are respectively arranged on the upper side and the lower side of the plate (4), and the screw (23) penetrates through the pressing plate (24) and the guide plate (21).
3. A method of roll forming a microstructure of a sheet material surface according to claim 1, wherein the rolling of the sheet material (4) provided on the rolling mill comprises: the plate (4) is firstly arranged in a heating furnace for solution treatment, and then the plate (4) is arranged on the roller mechanism (1) for rolling.
4. A method of roll forming a microstructure of a sheet material surface as claimed in claim 3, wherein the rolling of the sheet material (4) provided on the rolling mill further comprises: the plate (4) is arranged on the roller mechanism (1) for rolling for a plurality of times.
5. The roll forming method of sheet surface microstructure of claim 4 wherein the roll mechanism (1) includes an upper roll (11) and a lower roll (12), the rolling of the sheet (4) disposed on the rolling mill further comprising: the sheet material (4) is arranged between the upper roller (11) and the lower roller (12), and the rotation speeds of the upper roller (11) and the lower roller (12) are regulated so that the rotation speeds of the upper roller (11) and the lower roller (12) are different.
6. A roll forming method of sheet surface microstructure according to claim 5, wherein the press roll mechanism comprises a press roll (31), and the disposing of the heating device (2) and the press roll mechanism on the rolling mill comprises: -removing the lower roll (12) from the rolling mill and-providing the press roll (31) on the rolling mill.
7. A method of roll forming a microstructure of a sheet material surface according to claim 1, wherein the rolling of the sheet material (4) provided on the rolling mill comprises: the front end of the plate (4) is cut into a wedge shape.
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| CN202111671151.6A CN114273480B (en) | 2021-12-31 | 2021-12-31 | Rolling forming method for plate surface microstructure |
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| CN115502205A (en) * | 2022-09-14 | 2022-12-23 | 哈尔滨理工大学 | Pulse current assisted microstructure rolling forming device and rolling forming method |
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| T2紫铜薄板波纹曲面微结构电流辅助辊压成形工艺研究;陈鹏宇;中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑;第59-62页 * |
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