CN113617992A - Forging process of metal piece - Google Patents
Forging process of metal piece Download PDFInfo
- Publication number
- CN113617992A CN113617992A CN202111000207.5A CN202111000207A CN113617992A CN 113617992 A CN113617992 A CN 113617992A CN 202111000207 A CN202111000207 A CN 202111000207A CN 113617992 A CN113617992 A CN 113617992A
- Authority
- CN
- China
- Prior art keywords
- forging
- metal piece
- pressing
- treatment
- metal
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 74
- 238000005242 forging Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000010273 cold forging Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 21
- 238000009713 electroplating Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003303 reheating Methods 0.000 claims 1
- 230000002950 deficient Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a forging process of a metal piece, and relates to the technical field of forging processes. The invention comprises the following steps: the method comprises the following steps: inspecting the raw material and cutting the raw material by using a punch; step two: carrying out hot forging and pressing process on the cut raw materials; step three: performing cold forging pressing process on the material subjected to the hot forging pressing treatment; step four: and removing the flash of the forged and pressed material to finish forging and pressing. According to the forging process provided by the invention, the plasticity of the metal piece can be improved through hot forging, so that the condition that the metal piece is damaged in the forging process is reduced.
Description
Technical Field
The invention belongs to the technical field of forging and pressing processes, and particularly relates to a forging and pressing process of a metal piece.
Background
Forging is the combination of forging and stamping, and is a forming method for obtaining a product with a required shape and size by applying pressure to a blank by using a hammer head, an anvil block, a punch head or through a die of a forging and stamping machine to generate plastic deformation.
In the forging process in the prior art, when the metal part is forged, the toughness of the finished metal part is easily damaged, and in the forging process, more defective products exist, so that the efficiency of forging the metal part is reduced.
Disclosure of Invention
The invention aims to provide a metal piece forging process, which solves the technical problem that in the prior art, a finished metal piece has more defective products in the forging process.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a forging process of a metal piece comprises the following steps:
the method comprises the following steps: inspecting the raw material and cutting the raw material by using a punch;
step two: carrying out hot forging and pressing process on the cut raw materials;
step three: performing cold forging pressing process on the material subjected to the hot forging pressing treatment;
step four: and removing the flash of the forged and pressed material to finish forging and pressing.
Optionally, the metal piece after forging and pressing is subjected to highlight treatment, polishing treatment and electroplating treatment again to obtain a finished product.
By adopting the technical scheme, the attractiveness of the metal piece can be improved after the metal piece is subjected to highlight treatment, polishing treatment and electroplating treatment.
Optionally, the metal piece is subjected to highlight treatment and polishing treatment by a numerical control milling machine.
Optionally, during the highlight treatment, the rotation speed of the numerically controlled milling machine is 1800 plus 2000 revolutions per minute.
By adopting the technical scheme, the metal piece can be subjected to highlight treatment, and the size of the metal piece can be trimmed.
Optionally, the polishing process is any one or more of mechanical polishing, chemical polishing and electrolytic polishing in the prior art.
By adopting the technical scheme, the roughness of the surface of the metal piece can be reduced through mechanical polishing, chemical polishing and electrolytic polishing, so that the surface of the metal piece is smooth.
Optionally, before the electroplating treatment, the metal piece needs to be degreased, washed, passivated and neutralized.
Through adopting above-mentioned technical scheme, can go out the impurity on metalwork surface, improve the efficiency that the metalwork was electroplated.
Optionally, before cold forging and pressing, the temperature of the forged metal piece needs to be reduced to 5-30 ℃.
By adopting the technical scheme, the precision of the metal piece during cold forging can be improved.
Optionally, the metal piece is cooled by any one of natural cooling, metal deep cooling box cooling and water cooling in the prior art.
By adopting the technical scheme, the cooling speed of the metal piece can be increased, and a user can conveniently select a corresponding cooling mode according to different metal pieces.
Optionally, in the second step, before the hot forging treatment, the raw material is heated, cooled, and re-melted by a heating furnace, and then the hot forging treatment is performed.
By adopting the technical scheme, the plasticity of the metal can be realized, the internal quality of the metal part can be improved, and the metal part is not easy to crack.
Optionally, the heating temperature of the raw material is 800 ℃, the cooling temperature is 90-120 ℃, and the return heating temperature is 600-.
By adopting the technical scheme, the internal stress of the metal piece can be eliminated, and the hardness and the strength of the metal piece are reduced, so that the ductility or the toughness of the metal piece is improved.
The embodiment of the invention has the following beneficial effects:
according to the forging process provided by the embodiment of the invention, the plasticity of the metal piece can be improved through hot forging, so that the condition that the metal piece is damaged in the forging process is reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a forging process according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.
Referring to fig. 1, in the present embodiment, a forging process for a metal piece is provided, which includes the following steps:
the method comprises the following steps: inspecting the raw material and cutting the raw material by using a punch;
step two: carrying out hot forging and pressing process on the cut raw materials;
step three: performing cold forging pressing process on the material subjected to the hot forging pressing treatment;
step four: and removing the flash of the forged and pressed material to finish forging and pressing.
It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.
Through the forging process provided by the invention, the plasticity of the metal piece can be improved through hot forging, so that the condition that the metal piece is damaged in the forging process is reduced.
The metal piece after forging and pressing is subjected to highlight treatment, polishing treatment and electroplating treatment again to obtain a finished product; performing highlight treatment and polishing treatment on the metal piece by a numerical control milling machine; when the highlight treatment is carried out, the rotating speed of the numerical control milling machine is 1800 plus 2000 revolutions per minute. After the metal piece is subjected to highlight treatment, polishing treatment and electroplating treatment, the attractiveness of the metal piece can be improved, and the size of the metal piece is trimmed when the metal piece is subjected to highlight treatment.
The polishing process of the present embodiment is any one or more of mechanical polishing, chemical polishing, and electrolytic polishing in the related art. The roughness of the surface of the metal piece can be reduced through mechanical polishing, chemical polishing and electrolytic polishing, so that the surface of the metal piece is smooth.
In this embodiment, before the electroplating process, the metal member needs to be degreased, washed, passivated and neutralized. Impurities on the surface of the metal piece can be removed, and the electroplating efficiency of the metal piece is improved.
Before cold forging and pressing, the temperature of a forged metal piece needs to be reduced to 5-30 ℃; the cooling of the metal piece is any one of natural cooling, metal deep cooling box cooling and water cooling in the prior art. The cold forging pressing can improve the precision of the metal piece during cold forging pressing, improve the cooling speed of the metal piece and facilitate a user to select a corresponding cooling mode according to different metal pieces.
In the second step of this embodiment, before the hot forging process, the raw material is heated, cooled, and re-melted in a heating furnace, and then subjected to the hot forging process; the heating temperature of the raw material is 800 ℃, the cooling temperature is 90-120 ℃, and the return heating temperature is 600-700 ℃. The plasticity of the metal can be improved, the inherent quality of the metal piece is improved, the metal piece is not easy to crack, the internal stress of the metal piece can be eliminated, the hardness and the strength of the metal piece are reduced, and the ductility or the toughness of the metal piece is improved.
The above embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Claims (10)
1. The forging and pressing process of the metal piece is characterized by comprising the following steps of:
the method comprises the following steps: inspecting the raw material and cutting the raw material by using a punch;
step two: carrying out hot forging and pressing process on the cut raw materials;
step three: performing cold forging pressing process on the material subjected to the hot forging pressing treatment;
step four: and removing the flash of the forged and pressed material to finish forging and pressing.
2. The process of forging and pressing the metal piece as claimed in claim 1, wherein the finished product is obtained by performing the high gloss treatment, the polishing treatment and the electroplating treatment on the metal piece after forging and pressing.
3. A forging process for a metal piece as claimed in claim 2, wherein the metal piece is subjected to a high-gloss finish treatment and a polishing treatment by a numerically controlled milling machine.
4. The metal piece forging process as claimed in claim 2, wherein the rotation speed of the CNC milling machine is 1800 and 2000 revolutions per minute during the high light treatment.
5. The process of forging a metal piece as claimed in claim 2, wherein the polishing is any one or more of mechanical polishing, chemical polishing and electrolytic polishing.
6. A process for forging a metal part as claimed in claim 2, wherein the metal part is degreased, washed, passivated and neutralized before the electroplating process.
7. A process for forging a metallic article as claimed in claim 1, wherein the temperature of the forged metallic article is reduced to 5-30 ℃ prior to cold forging.
8. The process for forging and pressing metal parts according to claim 7, wherein the cooling of the metal part is any one of natural cooling, metal deep cooling box cooling and water cooling in the prior art.
9. The process of claim 1, wherein in step two, the hot forging is performed after the raw material is heated, cooled and returned to the furnace by the heating furnace before the hot forging.
10. The process for forging and pressing metal piece as claimed in claim 9, wherein the heating temperature of the raw material is 800 ℃, the cooling temperature is 90-120 ℃, and the reheating temperature is 600-700 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000207.5A CN113617992A (en) | 2021-08-30 | 2021-08-30 | Forging process of metal piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000207.5A CN113617992A (en) | 2021-08-30 | 2021-08-30 | Forging process of metal piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113617992A true CN113617992A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111000207.5A Pending CN113617992A (en) | 2021-08-30 | 2021-08-30 | Forging process of metal piece |
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| Country | Link |
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| CN (1) | CN113617992A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070144629A1 (en) * | 2003-12-18 | 2007-06-28 | Showa Denko K.K. | Method for producing shaped article of aluminum alloy, shaped aluminum alloy article and production system |
| CN103231002A (en) * | 2013-04-19 | 2013-08-07 | 亚超特工业有限公司 | Forging mould and molding method of metal casing applied to electronic device |
| CN103386596A (en) * | 2012-05-11 | 2013-11-13 | 陆学中 | Paper shredding blade machining method |
| CN105033134A (en) * | 2015-07-07 | 2015-11-11 | 杭州新坐标科技股份有限公司 | Precision forging forming method of cam slices |
| CN110976748A (en) * | 2019-11-22 | 2020-04-10 | 广东长盈精密技术有限公司 | Forging method and manufacturing method of stainless steel watch case and stainless steel watch case |
-
2021
- 2021-08-30 CN CN202111000207.5A patent/CN113617992A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070144629A1 (en) * | 2003-12-18 | 2007-06-28 | Showa Denko K.K. | Method for producing shaped article of aluminum alloy, shaped aluminum alloy article and production system |
| CN103386596A (en) * | 2012-05-11 | 2013-11-13 | 陆学中 | Paper shredding blade machining method |
| CN103231002A (en) * | 2013-04-19 | 2013-08-07 | 亚超特工业有限公司 | Forging mould and molding method of metal casing applied to electronic device |
| CN105033134A (en) * | 2015-07-07 | 2015-11-11 | 杭州新坐标科技股份有限公司 | Precision forging forming method of cam slices |
| CN110976748A (en) * | 2019-11-22 | 2020-04-10 | 广东长盈精密技术有限公司 | Forging method and manufacturing method of stainless steel watch case and stainless steel watch case |
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Application publication date: 20211109 |
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| RJ01 | Rejection of invention patent application after publication |