CN114888643A - Method for machining metal structural part - Google Patents
Method for machining metal structural part Download PDFInfo
- Publication number
- CN114888643A CN114888643A CN202210411990.2A CN202210411990A CN114888643A CN 114888643 A CN114888643 A CN 114888643A CN 202210411990 A CN202210411990 A CN 202210411990A CN 114888643 A CN114888643 A CN 114888643A
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- section
- segment
- grinding
- ribbon
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 title claims abstract description 16
- 238000003754 machining Methods 0.000 title abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of machining, and discloses a method for machining a metal structural part, wherein the metal structural part comprises a first section, a second section and a third section which are sequentially connected along the axial direction, the second section has elasticity, and the method comprises the following steps: winding the second section with a ribbon; fixing the first segment; grinding the first section and/or the third section; the ribbon is removed. When the method is used for processing, the second section with elasticity is wound by adopting the belt-shaped object in advance, and the belt-shaped object can play a certain reinforcing role in the axial direction, so that the elasticity of the second section is reduced, further, the phenomenon of elastic cutter can be reduced, the form and position tolerance is ensured, and the belt-shaped object can be directly torn off after the processing is finished, and the cleaning work is simple.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a method for machining a metal structural part.
Background
In the existing processing scheme, a universal grinding machine is used for grinding, a special chuck tool tightens one end of a screw hole of an elastic support belt, a four-jaw chuck clamping tool is used for aligning an elastic support datum plane and then directly grinding the elastic support.
The elastic support has elasticity, the cutter bouncing phenomenon is easily generated after elastic deformation is generated due to stress during grinding, even if strict requirements are carried out on the cutter feeding amount of an operator, the cutter bouncing phenomenon cannot be avoided, and once the cutter bouncing phenomenon occurs, serious out-of-tolerance can occur, so that the metal structural part to be processed is scrapped.
The elastic support has elasticity and high precision requirement, so that the grinding difficulty is increased. In machining industry, low-melting-point alloy, rosin and the like are commonly poured to reinforce the elastic support, however, the method needs to be firstly filled and fixed, and needs to be cleaned after machining is completed, so that the method is time-consuming and labor-consuming.
Disclosure of Invention
The invention discloses a method for processing a metal structural member, which is used for relieving the phenomenon of knife springing during grinding of the metal structural member, ensuring form and position tolerance and simplifying the cleaning work after the processing is finished.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for processing a metal structural member, the metal structural member comprising a first segment, a second segment and a third segment which are sequentially connected along an axial direction, wherein the second segment has elasticity, the method comprising: wrapping the second segment with a tape; fixing the first segment; grinding the first section and/or the third section; the ribbon is removed.
When the method is used for processing, the second section with elasticity is wound by adopting the belt-shaped object in advance, and the belt-shaped object can play a certain reinforcing role in the axial direction, so that the elasticity of the second section is reduced, further, the phenomenon of elastic cutter can be reduced, the form and position tolerance is ensured, and the belt-shaped object can be directly torn off after the processing is finished, and the cleaning work is simple.
Optionally, the second segment includes a plurality of elastic ribs arranged around the axis at intervals, and each elastic rib is connected with the first segment and the second segment respectively; winding the second segment with a ribbon, specifically comprising: the ribbon is wrapped simultaneously around all of the ribs of the second section.
Optionally, the ribbon is an industrial tape.
Optionally, the ribbon is wound around the second section for 8 to 10 turns.
Optionally, the winding the second segment with a ribbon specifically includes: securing one end of the ribbon to the second section; the ribbon is tensioned and the second section is wrapped to tighten the ribbon.
Optionally, the thickness of the ribbon is uniform throughout the second section.
Optionally, the fixing the first segment specifically includes: and clamping the first section by using a chuck tool.
Optionally, the grinding process is performed on the first segment and/or the third segment, and specifically includes: and grinding the first section to form a stepped structure, and grinding the outer circle of the part with the smaller outer diameter of the stepped structure to a first design size, wherein the first design size is larger than the outer diameter of the second section.
Optionally, the grinding the first segment and/or the third segment further includes: and grinding the excircle of the third section to a second design size, wherein the second design size is larger than the outer diameter of the second section.
Optionally, the grinding the first segment and/or the third segment further includes: and grinding the inner part of the third section to form a stepped round hole, grinding the wall surface of the stepped round hole perpendicular to the axis to the axial distance from the wall surface of the stepped structure of the first section perpendicular to the axis to a third design size, and grinding the inner diameter of the part with larger inner diameter of the stepped round hole to a fourth design size.
Drawings
Fig. 1 is a schematic view of a metal structural member in a method for machining a metal structural member according to an embodiment of the present disclosure.
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. 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.
With reference to FIG. 1:
in the method for processing a metal structural member provided by the embodiment of the application, the metal structural member includes, in an axial direction P, a first segment S1, a second segment S2, and a third segment S3 which are sequentially connected, where the second segment S2 has elasticity, and the method includes: winding the second section S2 with the tape E; fixing the first segment S1; grinding the first section S1 and/or the third section S3; the strip E is removed. The width dimension in the axial direction P of the band E coincides with the dimension in the axial direction P of the second segment S2, or the former is slightly smaller than the latter, so that the band E can support the first segment S1 and the third segment S3 in the axial direction.
When the method is used for processing, the second elastic section S2 is wound by adopting the belt-shaped object E in advance, the belt-shaped object E can play a certain reinforcing role in the axial direction P, so that the elasticity of the second section S2 is reduced, the phenomenon of knife bouncing can be reduced, the grinding stability is obviously improved, the form and position tolerance is ensured, the belt-shaped object E can be directly torn off after the processing is finished, and the cleaning work is simple.
In a particular embodiment, the second segment S2 includes a plurality of ribs G spaced around the axis, each rib G connecting the first segment S1 and the second segment S2, respectively; winding the second segment S2 with the ribbon E, specifically including: the strip E is wound inside all the elastic ribs G of the second section S2 at the same time. The elastic rib G is generally processed more finely and has better elasticity due to the thinness; when the second section S2 is of this structure, the elastic ribs G are wound simultaneously by the belt E, and the belt E is used to transmit force, so that the elastic ribs G form a whole and are stressed together, the overall elasticity of the reinforced elastic ribs G is reduced, and the grinding stability is improved.
In a specific embodiment, the belt E is an industrial tape having a certain strength in the width direction, which can play a supporting role to offset the spring knife role caused by the elastic force of the second segment, and which can strongly bond the respective spring ribs G together.
In one embodiment, the ribbon E is wrapped around the second section S2 for 8 to 10 turns, which may be 8, 9 or 10 turns, to ensure that sufficient thickness is provided to stiffen the second section S2, while avoiding excessive turns that would otherwise interfere with and waste the grinding of the first and third sections S1 and S3.
In a specific embodiment, winding the second segment S2 with the ribbon E specifically includes: fixing one end of the belt E with the second section S2; the band E is tightened and wound around the second segment S2 to tighten the band E, which makes the joint integrity of the individual spring strings G stronger and the tightened band more rigid in the axial direction P.
In a specific embodiment, the thickness of the belt E is uniform around the second segment S2 to ensure that the rigidity of the second segment S2 (the elastic ribs G) is consistent, and the processing errors of the first segment S1 and the third segment S3 are consistent.
In a specific embodiment, the fixing the first segment S1 specifically includes: utilize the chuck frock to press from both sides tight first segmentation S1, stability is good, and the chuck frock obtains comparatively conveniently.
In a specific embodiment, the grinding process for the first section S1 and/or the third section S3 includes: grinding the first section S1 to form a stepped structure, and grinding the outer circle of the part with the smaller outer diameter of the stepped structure to a first design size D1, and the part with the larger outer diameter forms a bolt hole T1 to form a flange for connecting with other structures.
In a specific embodiment, the grinding of the first section S1 and/or the third section S3 further comprises: the outer circle of the third segment S3 is ground to a second design dimension D3.
In a specific embodiment, the grinding of the first section S1 and/or the third section S3 further comprises: grinding the inside of the third section S3 to form a stepped circular hole, grinding a wall surface B of the stepped circular hole perpendicular to the axis to a distance in the axial direction from a wall surface a of the first section S1 perpendicular to the axis to a third design dimension L, and grinding the inner diameter of a portion of the stepped circular hole having a larger inner diameter to a fourth design dimension D2.
The method can be widely applied to grinding of parts with the same structure type, and the method is not limited by size change of the parts.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for processing a metal structural part, wherein the metal structural part comprises a first segment, a second segment and a third segment which are sequentially connected along an axial direction, the second segment has elasticity, and the method comprises the following steps:
wrapping the second section with a ribbon;
fixing the first segment;
grinding the first section and/or the third section;
the ribbon is removed.
2. The method of claim 1, wherein the second segment includes a plurality of ribs spaced around the axis, each rib connecting the first segment and the second segment, respectively;
winding the second segment with a ribbon, specifically comprising:
the ribbon is wrapped simultaneously around all of the ribs of the second section.
3. The method of claim 1, wherein the ribbon is an industrial tape.
4. The method of claim 3, wherein the ribbon is wrapped around the second segment from 8 to 10 turns.
5. The method according to claim 3, wherein the winding of the second segment with the ribbon comprises:
securing one end of the ribbon to the second section;
the ribbon is tensioned and the second section is wrapped to tighten the ribbon.
6. The method of claim 3, wherein the ribbon is of uniform thickness throughout the second section.
7. The method according to claim 1, wherein the fixing the first segment specifically comprises:
and clamping the first section by using a chuck tool.
8. The method according to claim 1, wherein the grinding of the first and/or third segments comprises:
and grinding the first section to form a stepped structure, and grinding the outer circle of the part with the smaller outer diameter of the stepped structure to a first design size, wherein the first design size is larger than the outer diameter of the second section.
9. The method of claim 8, wherein the grinding the first section and/or the third section further comprises:
and grinding the excircle of the third section to a second design size, wherein the second design size is larger than the outer diameter of the second section.
10. The method of claim 9, wherein the grinding the first section and/or the third section further comprises:
and grinding the inner part of the third section to form a stepped round hole, grinding the wall surface of the stepped round hole perpendicular to the axis to the distance, in the axial direction, of the wall surface of the first section perpendicular to the axis from the stepped structure of the first section to the third design size, and grinding the inner diameter of the part with the larger inner diameter of the stepped round hole to the fourth design size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411990.2A CN114888643A (en) | 2022-04-19 | 2022-04-19 | Method for machining metal structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411990.2A CN114888643A (en) | 2022-04-19 | 2022-04-19 | Method for machining metal structural part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114888643A true CN114888643A (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210411990.2A Pending CN114888643A (en) | 2022-04-19 | 2022-04-19 | Method for machining metal structural part |
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| Country | Link |
|---|---|
| CN (1) | CN114888643A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130049272A1 (en) * | 2010-04-28 | 2013-02-28 | Trelleborg Automotive Germany Gmbh | Elastic bearing bush configuration, elastic bearing, and method for producing the elastic bearing bush configuration |
| CN108015498A (en) * | 2017-12-05 | 2018-05-11 | 中国航发哈尔滨轴承有限公司 | A kind of angular contact ball bearing turning processing method of outer ring with elastic support |
| CN209245496U (en) * | 2018-12-24 | 2019-08-13 | 青岛柯瑞达新型材料有限公司 | New Large Caliber winding pipe |
| CN110732681A (en) * | 2019-11-19 | 2020-01-31 | 中国航发贵州黎阳航空动力有限公司 | turning method for thin-wall weak-rigidity plate-welded part with ceramic coating |
| CN111015379A (en) * | 2019-12-30 | 2020-04-17 | 中国航发哈尔滨轴承有限公司 | Fine grinding processing method for outer ring of spring support structure type bearing |
| CN112621122A (en) * | 2020-12-11 | 2021-04-09 | 重庆江增船舶重工有限公司 | Machining method of guide sleeve type thin-wall part |
| CN113387539A (en) * | 2021-04-30 | 2021-09-14 | 彩虹显示器件股份有限公司 | Reinforcing rib structure for preventing channel cooling flat tube from deforming and flat tube reinforcing method |
| CN114019633A (en) * | 2021-11-04 | 2022-02-08 | 苏州胜信光电科技有限公司 | Tensile and side pressure resistant multifunctional optical cable |
-
2022
- 2022-04-19 CN CN202210411990.2A patent/CN114888643A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130049272A1 (en) * | 2010-04-28 | 2013-02-28 | Trelleborg Automotive Germany Gmbh | Elastic bearing bush configuration, elastic bearing, and method for producing the elastic bearing bush configuration |
| CN108015498A (en) * | 2017-12-05 | 2018-05-11 | 中国航发哈尔滨轴承有限公司 | A kind of angular contact ball bearing turning processing method of outer ring with elastic support |
| CN209245496U (en) * | 2018-12-24 | 2019-08-13 | 青岛柯瑞达新型材料有限公司 | New Large Caliber winding pipe |
| CN110732681A (en) * | 2019-11-19 | 2020-01-31 | 中国航发贵州黎阳航空动力有限公司 | turning method for thin-wall weak-rigidity plate-welded part with ceramic coating |
| CN111015379A (en) * | 2019-12-30 | 2020-04-17 | 中国航发哈尔滨轴承有限公司 | Fine grinding processing method for outer ring of spring support structure type bearing |
| CN112621122A (en) * | 2020-12-11 | 2021-04-09 | 重庆江增船舶重工有限公司 | Machining method of guide sleeve type thin-wall part |
| CN113387539A (en) * | 2021-04-30 | 2021-09-14 | 彩虹显示器件股份有限公司 | Reinforcing rib structure for preventing channel cooling flat tube from deforming and flat tube reinforcing method |
| CN114019633A (en) * | 2021-11-04 | 2022-02-08 | 苏州胜信光电科技有限公司 | Tensile and side pressure resistant multifunctional optical cable |
Non-Patent Citations (1)
| Title |
|---|
| 牛利民: "船舶燃气轮机结构", 哈尔滨工程大学出版社, pages: 153 - 156 * |
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Application publication date: 20220812 |
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| RJ01 | Rejection of invention patent application after publication |