CN110681924A - Manufacturing process for end part of flat-bulb steel - Google Patents
Manufacturing process for end part of flat-bulb steel Download PDFInfo
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- CN110681924A CN110681924A CN201911051618.XA CN201911051618A CN110681924A CN 110681924 A CN110681924 A CN 110681924A CN 201911051618 A CN201911051618 A CN 201911051618A CN 110681924 A CN110681924 A CN 110681924A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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Abstract
The invention discloses a manufacturing process of an end part of flat-bulb steel, which is characterized by comprising the following steps of: s100, determining the end part form of the first flat-bulb steel, and making a uniform size standard; s200, judging whether the size standard meets the requirement according to a size standard modeling test; step S300, manufacturing a cutting instruction and a blanking sketch of an automatic scribing and cutting production line according to a size standard; and S400, cutting the end part of the first flat-bulb steel according to the cutting instruction and the blanking sketch. Utilize automatic marking off cutting production line to cut the tip of first flat bulb steel, by the accuracy that can effectual saving is to the cutting of first flat bulb steel, reduce the uncertainty that manual cutting brought to and a large amount of work load that manual cutting brought, effectual improvement work efficiency.
Description
Technical Field
The invention relates to the technical field of ship structures, in particular to a manufacturing process of a flat-bulb steel end part.
Background
The situation that the flat bulb steel is propped against the bulb of another flat bulb steel intersected with the flat bulb steel inevitably exists in a hull structure, so that stress is concentrated at an angular joint position, the structural stability of the flat bulb steel is reduced, and even safety accidents are caused.
In the current state of the art ship construction, there is not a suitable node for the bulb-shaped steel in this type of position to model the ends of the bulb-shaped steel connected in this manner for automated production. Therefore, the flat bulb steel of the type cannot be accurately cut in the blanking stage, and the end part needs to be repaired and cut when the flat bulb steel is installed on site. However, the modification of the end part of the flat-bulb steel on site has the problems of high labor intensity, low efficiency, low cutting precision, difficulty in leveling a cutting surface and the like due to the fact that experience requirements of construction personnel are met.
Disclosure of Invention
The embodiment of the invention aims to: the manufacturing process of the end part of the flat-bulb steel can realize automatic cutting of the end part of the flat-bulb steel.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a flat bulb steel tip preparation technology, crossing as first flat bulb steel and second flat bulb steel, just first flat bulb steel top is in when the second bulb of second flat bulb steel, including following step:
s100, determining the end part form of the first flat-bulb steel, and making a uniform size standard;
s200, judging whether the size standard meets the requirement according to the size standard modeling test;
step S300, manufacturing a cutting instruction and a blanking sketch of an automatic scribing and cutting production line according to the size standard;
and S400, cutting the end part of the first flat-bulb steel according to the cutting instruction and the blanking sketch.
As a preferred embodiment of the present invention, in the step S100, a chamfering operation and a chamfering size are determined for both the first face plate and the first web plate of the first flat bulb steel.
As a preferred embodiment of the present invention, in the step S100, the size criteria are: after the first panel and the first web plate of the first flat bulb steel are subjected to chamfering operation, a first distance alpha is formed between one end, close to the second bulb, of the first web plate and the second bulb, and a second distance beta is formed between the end portion of the first panel and the second bulb.
As a preferable technical scheme of the invention, the first distance alpha is 10-30 mm, and the second distance beta is 15-40 mm.
As a preferred embodiment of the present invention, the dimension standard in step S100 further includes a definition of a taper angle θ of the first flat bulb steel in a direction with a horizontal plane.
In a preferred aspect of the present invention, the taper angle θ of the first flat bulb steel in the direction of the horizontal plane is in a range of 20 ° to 45 °.
As a preferred embodiment of the present invention, the step S200 further includes making the size criteria into a node atlas as a processing reference criteria.
As a preferred embodiment of the present invention, in step S100, the first bulb-to-flat steel cutting angle or the round hole should be determined according to the height of the first bulb-to-flat steel.
As a preferred technical solution of the present invention, the S300 further includes designating two end-cutting codes by the first flat-bulb steel open corner or the round pilot hole, and writing the corresponding cutting command and the corresponding blanking sketch respectively.
As a preferred embodiment of the present invention, in step S200, a ship design system is used to perform modeling simulation on the corner joints of the first flat bulb steel and the second flat bulb steel according to the dimension standard, and verify the structural strength of the corner joints of the first flat bulb steel and the second flat bulb steel.
The invention has the beneficial effects that: the end part form of the first flat bulb steel is determined, a uniform size standard is manufactured, and then the size standard is tested and judged through modeling, so that the applicability and the reliability of the size standard can be guaranteed. Secondly, make cutting instruction and the unloading sketch that automatic marking off cutting production line used according to this size standard, utilize automatic marking off cutting production line to cut the tip of first flat bulb steel, because use automatic marking off cutting production line to cut according to unified cutting instruction and unloading sketch, can effectually preserve the accuracy to the cutting of first flat bulb steel, reduce the uncertainty that manual cutting brought, and a large amount of work load that manual cutting brought, effectual improvement work efficiency, and the reliability of the tip cutting of effectual assurance to first flat bulb steel.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a schematic view of an angle joint structure of flat bulb steel according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the first bulb-shaped steel according to the embodiment of the present invention.
In the figure:
1. a first bulb steel; 11. a first panel; 12. a first web; 2. a second bulb steel; 21. a second ball head.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 2, in the embodiment, the manufacturing process of the flat bulb steel end according to the present invention includes the following steps when the first flat bulb steel 1 intersects with the second flat bulb steel 2 and the first flat bulb steel 1 is pressed against the second bulb 21 of the second flat bulb steel 2:
s100, determining the end part form of the first flat bulb steel 1, and making a uniform size standard;
s200, judging whether the size standard meets the requirement according to a size standard modeling test;
step S300, manufacturing a cutting instruction and a blanking sketch of an automatic scribing and cutting production line according to a size standard;
and S400, cutting the end part of the first flat bulb steel 1 according to the cutting instruction and the blanking sketch.
The end part form of the first flat bulb steel 1 is determined, a uniform size standard is manufactured, and then the size standard is tested and judged through modeling, so that the applicability and the reliability of the size standard can be guaranteed. Secondly, make cutting instruction and the unloading sketch that automatic marking off cutting production line used according to this size standard, utilize automatic marking off cutting production line to cut the tip of first flat bulb steel 1, because use automatic marking off cutting production line to cut according to unified cutting instruction and unloading sketch, can effectually preserve the accuracy to the cutting of first flat bulb steel 1, reduce the uncertainty that the manual cutting brought, and a large amount of work load that the manual cutting brought, effectual improvement work efficiency, and the reliability of the tip cutting of effectual assurance to first flat bulb steel 1.
In the embodiment of the present invention, it is necessary to determine the chamfering operation and the chamfering size for both the first panel 11 and the first web 12 of the first bulb flat steel 1 in step S100. That is, in this embodiment, carry out the operation of beveling to first panel 11 and the first web 12 of first bulb band steel 1 simultaneously to make first bulb band steel 1 accord with boats and ships design requirement, avoid appearing stress concentration in the position of connecing with second bulb band steel 2 angle, guarantee the structural strength of first bulb band steel 1 and second bulb band steel 2 angle joint position, avoid influencing the structural stability and the integrality of hull.
In other embodiments, it can be determined whether the first panel 11 and the first web 12 of the first bulb flat steel 1 need to be chamfered at the same time according to actual needs.
Referring to fig. 1, in one specific embodiment, the dimensional criteria in step S100 are: after the first panel 11 and the first web 12 of the first bulb steel 1 are beveled, a first distance α is formed between one end of the first web 12 close to the second bulb 21 and the second bulb 21, and a second distance β is formed between the end of the first panel 11 and the second bulb 21.
Furthermore, the first distance alpha is 10-30 mm, and the second distance beta is 15-40 mm.
Preferably, the first distance α is 15mm and the second distance β is 25 mm.
Through the one end that is close to second bulb 21 with first web 12 and second bulb 21 interval first distance alpha, can effectual assurance according to first bulb 1 after this standard cutting can not cause the second bulb 21 contact with second bulb 2 because of precision error in the use to and the convenient installation of first bulb 1 to the assigned position with first bulb 1 in the installation of constructor convenience, avoid causing the installation of first bulb 1 inconvenient because size gap undersize. The end part of the first panel 11 and the second bulb 21 are separated by a second distance beta, and firstly, the first flat bulb 1 can be effectively prevented from being jacked to the second bulb 21 of the second flat bulb 2 in the installation process; secondly, the top collision problem caused by the position shortening of the first flat bulb steel 1 and the second flat bulb steel 2 due to the deformation of the ship structure in the using process can be further avoided, and the contact between the first flat bulb steel 1 and the second bulb 21 of the second flat bulb steel 2 is further avoided.
Referring to fig. 2, in the embodiment of the present invention, the size standard in step S100 further includes a definition of a taper angle θ of the first panel 11 of the first bulb-to-slab steel 1 in a direction with the horizontal plane.
Further, the taper angle theta of the first face plate 11 of the first bulb flat steel 1 in the direction from the horizontal plane is in the range of 20 to 45 deg.
Preferably, the taper angle θ of the first face plate 11 of the first bulb flat steel 1 in the direction from the horizontal plane is in the range of 30 °.
In the embodiment of the present invention, step S200 further includes making the size criteria into a node atlas as the processing reference criteria. The size standard after the test judgment is made into a node atlas, so that the node atlas can be used as a reference standard in the later ship manufacturing process.
In the embodiment of the present invention, in step S100, the cut angle or the round guide hole of the first flat bulb steel 1 is determined according to the height of the first flat bulb steel 1, and in step S300, two end cut codes are specified by the cut angle or the round guide hole of the first flat bulb steel 1, and corresponding cutting instructions and blanking sketches are written respectively.
The cutting precision of the end part of the first flat bulb steel 1 under different conditions can be effectively ensured, and the precision and the reliability of ship manufacturing are ensured by determining the cutting angle or the round hole of the first flat bulb steel 1 according to the heights of different first flat bulb steels 1 and making different cutting instructions and blanking sketches in a targeted manner.
In the embodiment of the invention, in step S200, the ship design system is used to model and simulate the corner joints of the first flat-bulb steel 1 and the second flat-bulb steel 2 according to the size standard, and the structural strength of the corner joints of the first flat-bulb steel 1 and the second flat-bulb steel 2 is verified. Specifically, an AVEVA Marine design system can be used for modeling and simulating the corner joint of the first flat-bulb steel 1 and the second flat-bulb steel 2 so as to ensure the reliability of the established size standard.
AVEVA Marine is a software series product of AVEVA corporation of England. Integrated software for designing and building marine and maritime projects. The method adopts an object-centered technology, provides a product combination consisting of a series of solutions, loading items and single-edition application programs, and runs through each link in the shipbuilding business process. The AVEVA Marine covers shipbuilding professional technologies, combines enterprise engineering, design, communication and visualization technologies, realizes cross-professional function integration of a ship body, ship outfitting, engineering and design by using a single project model, and provides an integrated solution for ship enterprises.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides a flat bulb steel tip preparation technology, is crossing as first flat bulb steel and second flat bulb steel, just first flat bulb steel top is in when the second bulb of second flat bulb steel, its characterized in that includes following steps:
s100, determining the end part form of the first flat-bulb steel, and making a uniform size standard;
s200, judging whether the size standard meets the requirement according to the size standard modeling test;
step S300, manufacturing a cutting instruction and a blanking sketch of an automatic scribing and cutting production line according to the size standard;
and S400, cutting the end part of the first flat-bulb steel according to the cutting instruction and the blanking sketch.
2. The bulb flat steel end manufacturing process according to claim 1, characterized in that in the step S100, it is determined that the chamfering operation and the chamfering size are performed on both the first face plate and the first web plate of the first bulb flat steel.
3. The manufacturing process of bulb-shaped flat steel end part according to claim 2, characterized in that the dimensional standard in the step S100 is: after the first panel and the first web plate of the first flat bulb steel are subjected to chamfering operation, a first distance alpha is formed between one end, close to the second bulb, of the first web plate and the second bulb, and a second distance beta is formed between the end portion of the first panel and the second bulb.
4. The manufacturing process of the bulb-shaped flat steel end part according to claim 3, wherein the first distance alpha is 10-30 mm, and the second distance beta is 15-40 mm.
5. The bulb-to-flat steel end manufacturing process of claim 1, wherein the dimensional criteria in step S100 further includes a definition of a chamfer angle θ of the first panel of the first bulb-to-flat steel in a direction from a horizontal plane.
6. The manufacturing process of the bulb flat steel end part according to claim 5, characterized in that the taper angle θ of the first panel of the first bulb flat steel in the direction with the horizontal plane is in the range of 20 ° to 45 °.
7. The manufacturing process of bulb-shaped flat steel end part according to claim 1, characterized in that the step S200 further comprises the step of making the size standard into a node atlas as a processing reference standard.
8. The flat bulb steel end manufacturing process according to claim 1, wherein the first flat bulb steel cutting angle or the round hole is determined according to the height of the first flat bulb steel in step S100.
9. The manufacturing process of flat bulb steel end part according to claim 8, further comprising designating two end cutting codes by the first flat bulb steel open cutting corner or round guide hole and writing the corresponding cutting command and the blanking sketch respectively in the S300.
10. The flat bulb steel end manufacturing process according to claim 1, wherein in the step S200, a ship design system is used to model and simulate the corner joints of the first flat bulb steel and the second flat bulb steel according to the size standard, and the structural strength of the corner joints of the first flat bulb steel and the second flat bulb steel is verified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051618.XA CN110681924B (en) | 2019-10-31 | 2019-10-31 | Manufacturing process for end part of flat-bulb steel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911051618.XA CN110681924B (en) | 2019-10-31 | 2019-10-31 | Manufacturing process for end part of flat-bulb steel |
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| CN110681924A true CN110681924A (en) | 2020-01-14 |
| CN110681924B CN110681924B (en) | 2021-06-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08294722A (en) * | 1995-04-25 | 1996-11-12 | Nakajima Kokan Kk | Production of large sized square steel tube and large sized round steel tube |
| CN102189348A (en) * | 2011-04-02 | 2011-09-21 | 哈尔滨工业大学 | Robotic cutting method for profile steel |
| CN103279623A (en) * | 2013-06-07 | 2013-09-04 | 天津大学 | Method for acquiring, analyzing and checking steel structure tubular joint manufacture data |
| CN107803401A (en) * | 2017-11-14 | 2018-03-16 | 山东钢铁股份有限公司 | The rolling device and milling method of a kind of flat-bulb steel |
| CN108972157A (en) * | 2018-09-20 | 2018-12-11 | 中船黄埔文冲船舶有限公司 | Plate nesting method and cutter device |
-
2019
- 2019-10-31 CN CN201911051618.XA patent/CN110681924B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08294722A (en) * | 1995-04-25 | 1996-11-12 | Nakajima Kokan Kk | Production of large sized square steel tube and large sized round steel tube |
| CN102189348A (en) * | 2011-04-02 | 2011-09-21 | 哈尔滨工业大学 | Robotic cutting method for profile steel |
| CN103279623A (en) * | 2013-06-07 | 2013-09-04 | 天津大学 | Method for acquiring, analyzing and checking steel structure tubular joint manufacture data |
| CN107803401A (en) * | 2017-11-14 | 2018-03-16 | 山东钢铁股份有限公司 | The rolling device and milling method of a kind of flat-bulb steel |
| CN108972157A (en) * | 2018-09-20 | 2018-12-11 | 中船黄埔文冲船舶有限公司 | Plate nesting method and cutter device |
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| CN110681924B (en) | 2021-06-22 |
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