CN103128183A - Jointing process between metals - Google Patents
Jointing process between metals Download PDFInfo
- Publication number
- CN103128183A CN103128183A CN201310041854XA CN201310041854A CN103128183A CN 103128183 A CN103128183 A CN 103128183A CN 201310041854X A CN201310041854X A CN 201310041854XA CN 201310041854 A CN201310041854 A CN 201310041854A CN 103128183 A CN103128183 A CN 103128183A
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- Prior art keywords
- metal
- joint technology
- hole
- flange
- die
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- 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.)
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 77
- 239000002184 metal Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 34
- 150000002739 metals Chemical class 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 238000005516 engineering process Methods 0.000 claims description 53
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 2
- 235000012054 meals Nutrition 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 15
- 239000000047 product Substances 0.000 description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- FHYNZKLNCPUNEU-UHFFFAOYSA-N 4-[(3,4-dihydroxyphenyl)methyl]-3-[(4-hydroxyphenyl)methyl]oxolan-2-one Chemical compound C1=CC(O)=CC=C1CC1C(=O)OCC1CC1=CC=C(O)C(O)=C1 FHYNZKLNCPUNEU-UHFFFAOYSA-N 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- WVBBLATZSOLERT-UHFFFAOYSA-N gold tungsten Chemical compound [W].[Au] WVBBLATZSOLERT-UHFFFAOYSA-N 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The invention relates to the technical field of meal plates and particularly relates to a jointing process between metals. The jointing process between the metals includes the following steps: (1) a metal part to be connected is provided, a protrusion is processed on the end face of the metal part to be connected, a groove is processed at the position below the head of the protrusion, and the head of the protrusion forms a circular protrusion; (2) a metal sheet is provided, a through hole conforming to the size of the outer diameter of the circular protrusion is stamped in the metal sheet, and the edge of through hole is processes into a flanging; and (3) the circular protrusion is placed in a flanging hole of the metal sheet and processed in extrusion mode, the flanging of the metal sheet is pressed in the groove of the metal part to be connected, and the metal sheet and the metal part to be connected are jointed together tightly. Compared with the prior art, the jointing process enables strength between the metal sheet and the metal part to be connected to be identical and is not limited by materials.
Description
Technical field
The present invention relates to the panel beating technical field, particularly the joint technology between a kind of metal.
Background technology
At present, the joint technology between metal commonly used has:
(1) connect by securing member: component one side accomplishes fluently screwed hole, and the opposing party is through hole, then fixes with bolt; Perhaps both sides are through hole, then fix with screw bolt and nut;
(2) electric welding connects: the continuity ground, junction surface of material is engaged, by heat or pressure or both, suitably add a little fusion agents when being necessary again, pass through electric current while pressurize in the both sides of flat board, utilize its opposing heat to make iron plate thawing joint;
(3) welding: rear as adhesive than needing low alloy (as the solder) fusing of welding assembly fusing point, make lower method that a plurality of components bonding are got up of the infusible prerequisite of mother metal self.
When engaging with securing members such as bolt, nuts, the torque management that engages component is very important.The scar of threaded portion etc. is easy to make the size of engaging force to occur uneven.Simultaneously, if pad is not carried out anti-loosening processing as this method that engages by hand, along with can making the engaging force between parts, vibrations die down.
Argon arc welding is the electric welding of using welding rod.Welding rod is thicker, needs to use larger electric current just passable, and the sheet metal thickness that need are welded has certain restriction, therefore is not suitable for being used on thin plate.Comparing with other welding procedure is that difficulty is the highest, and rich experience and technology need to be arranged, along with different its weld strengths of ability of operator are also variant.
The TIG welding is a kind of of argon arc welding, draws argon gas in the very high tungsten gold rod of fusing point, and the heat of its generation makes the mother metal fusing.Be characterized in not producing spark when weld job, but technical difficulty is higher, along with different its weld strengths of ability of operator are also variant.
As supporting antiwelding spot welding, in the pressurization of dull and stereotyped both sides and discharge, the opposing heat of its generation makes the iron plate fusion bond, is characterized in that the weld interval short production efficiency that makes is higher.But it is only applicable to flat board, and makes weld strength difference occur along with the variation of immediate current intensity.
A kind of soldering as welding, its mode of heating has heating in flatiron heating, stove, flame heating etc. several, because be that the fusing fusing point alloy lower than mother metal reaches the mode that mother metal engages, do not have real fusion between mother metal, so its intensity is subject to the restriction of solder.Soldering simultaneously is also higher to operator's specification requirement, along with its weld strength of difference of operator is also variant.
Austenitic stainless steel is a kind of very outstanding material, but but various problems can occur after welding.Stainless steel is the high-alloy steel that contains 12% above chromium, and decay resistance is very good, and main alloying element has the chrome stainless steel that only contains chromium, and the Cr-Ni that contains chromium and nickel is that (chrome stainless steel has martensite and ferrite to stainless steel; Chromium nickel is that stainless steel is austenite).The high temperature cracking can occur in when welding in austenitic stainless steel, can corrosion phenomenon occur at weld part according to the difference of environment for use, and produce the problems such as corrosion cracking, Sigma's embrittlement.Ferritic stainless steel can occur at heated parts that crystallization is thick, extensibility is compared significantly deteriorated with toughness with mother metal.Though after the heat treatment of 700 ~ 750 ℃, its extensibility and draftability can be replied to some extent, but the crystallization of thickization can not change, and toughness can not be recovered.In sum, along with the difference of metal material, the material that can not carry out welding processing also can be found everywhere.
Summary of the invention
The object of the invention is to provide the joint technology between a kind of metal, to solve the problems referred to above that in prior art, the joint technology between metal exists.
The object of the invention is achieved through the following technical solutions:
Joint technology between a kind of metal comprises the following steps:
(1) provide a metal parts to be connected, in projection of metal parts end face to be connected processing, in the head of projection following position machined grooves, its protruding head forms annular projection;
(2) provide a sheet metal, stamp out a through hole that conforms to the external diameter size of described annular projection in sheet metal, the through hole edge is processed into flange;
(3) described annular projection is put into the flanging bore of sheet metal and carry out extrusion process, the flange of sheet metal is pressed in the groove of metal parts to be connected, sheet metal and metal parts to be connected are bonded together tightly.
Preferably, the step that in described step (2), the through hole edge is processed into flange further comprises:
Die is placed on a side of through hole, punch is placed on the another side, then punch is pressed in die, thereby makes through hole edge formation flange.
Preferably, the internal diameter of described die diminishes inward gradually from die orifice.
Preferably, the flange in described step (2) forms, and to turn over all over the hole be taper.
Preferably, the projection in described step (1) is round boss, and the through hole in described step (2) is circular hole.
Preferably, described metal parts to be connected comprises metal bar and metal pipe material.
Preferably, described metal bar comprises double-screw bolt and axle.
Preferably, described metal pipe material comprises nut.
Compared with prior art, the present invention has following beneficial effect:
1, joint technology of the present invention make between sheet metal and metal parts to be connected bond strength remain unanimously and not limited by material;
2, joint technology of the present invention can be eliminated the varied in thickness because of material, the material of grafting material does not cause the uneven of bond strength on an equal basis; Simultaneously, this technique can to welding procedure flat board and the widget of inoperable several millimeters thick process, so aspect electronics industry and precision machinery industry, very large value is being arranged.
3, for the material that can not carry out welding processing, this technique can engage processing equally, for example, and the joint between the material such as copper, brass, aluminium alloy and ironwork; Also can process the parts after electroplating, and need not again to carry out electroplating processes after processing;
4, the manufacturing procedure of joint technology of the present invention mainly to be stamped into the master, makes operation easier; Required pressurization and conduction time when there is no spot welding, can shortening to minimum process time, greatly improve production efficiency; If when importing manipulator or robot in the production scene, its production efficiency just can further be improved; And metal parts to be connected and sheet metal are when engaging, and a punching press can be processed several set products simultaneously; In value that has a wide range of applications such as automobile industries;
5, joint technology of the present invention only needs sheet metal and metal parts to be connected to have specific shape to get final product at joint, is not subjected to the impact of outward appearance; And this technique makes metal parts to be connected and sheet metal perfectly to engage, and value is very high in process of production;
6, the component that joint technology of the present invention can corresponding various shape, as bar, axle class, tubing, spiral shell rod, nut etc., its purposes is very extensive.
Description of drawings
Fig. 1, Fig. 2 are the stereogram of the pole material that uses joint technology of the present invention and be bonded into;
Fig. 3 is the stereogram of pole;
The cutaway view of Fig. 4 for seeing along the DMDM section of Fig. 3;
Fig. 5 is pole and the dull and stereotyped front elevation that uses after joint technology of the present invention engages;
Fig. 6 is the processing sequence key diagram of joint technology of the present invention;
Fig. 7 is the key diagram of first operation 100 of the processing sequence of Fig. 6;
Fig. 8 is the key diagram of the second operation work 110 of Fig. 6 processing sequence;
Fig. 9 is the key diagram of the five processes 140 of Fig. 6 processing sequence;
Figure 10 is the key diagram that utilizes tool to engage in Fig. 9;
Figure 11 is the stereogram that the double-screw bolt after use joint technology of the present invention engages product;
Figure 12 is the section key diagram after 230230 lines along Figure 11 cut;
Figure 13 is the key diagram of the double-screw bolt of use joint technology of the present invention;
Figure 14 is the double-screw bolt of use joint technology of the present invention and the key diagram in conjunction with product after the panel splice after stretching.
Symbol description:
10～10A pole material
30 poles
33 spacing rings
34 pole rings
40 flat boards
43 flange
44 stopper slots
100 joint technology the 1st operations
110 joint technology the 2nd operations
The 110U punch
The 110L die
120 joint technology the 3rd operations
130 joint technology the 4th operations
The 130U tool
140 joint technology the 5th operations
190～190A double-screw bolt engages product
191 flat boards
192 double-screw bolts
193 drawing plates
194 screw threads.
The specific embodiment
Below in conjunction with drawings and Examples, describe the present invention in detail.
Metal bar end in the need combination first processes a circular protrusions, the groove-stopper slot in one of the head of projection following position processing is oblique, its protruding head formation annular projection-spacing ring.Certainly material is not limited to round metal bars, and its shape can be the various solid and hollow metal materials such as the bar, rotating shaft, tubing, double-screw bolt, nut of arbitrary polygon.
Before joint, first with 2 road stamping procedures, sheet metal is processed.The first, at circular hole that conforms to the spacing ring external diameter size that needs the joint material of the relevant position of sheet material punching; The second, carry out flange processing on the circular hole of first operation moulding, the height of flange can calculate according to the height of projection size of the spacing ring of aforementioned bar section.2 above procedures also can carry out simultaneously.
Aforesaid bar spacing ring is put in the circular hole of sheet material, with Sheet Metal Forming Technology or simple two ends extrusion process, both are carried out vertical compression processing.Produce distortion because the flange of sheet material is squeezed in the stopper slot of bar, the material after distortion will be compressed in stopper slot tightly, and firmly block, and make bar and sheet material be bonded together securely.
A. example: pole
Fig. 1 is the oblique view that uses the pole material of joint technology of the present invention to see from the front as the 1st form, Fig. 2 is the oblique view that pole material 10 is seen from the back side, Fig. 3 is the oblique view that pole 30 is seen from the front, Fig. 4 is the cutaway view that DM-the DM section is seen of Fig. 3, Fig. 5 is that pole 30 and dull and stereotyped 40 uses the front elevation after joint technology of the present invention engages.
As shown in the figure, pole material 10 is comprised of two metal parts, and the spy is labeled as pole 30 with it, sheet material 40.
B. example: double-screw bolt
Figure 11 is the front oblique view in conjunction with product 190 that uses after joint technology of the present invention engages, Figure 12 is the cutaway view after 230230 lines along Figure 11 cut, Figure 13 is the phantom that uses the double-screw bolt 192 of joint technology of the present invention, and Figure 14 uses the double-screw bolt 192 of joint technology of the present invention and the structural representation in conjunction with product 190A after 193 joints of the flat board after stretching.
Double-screw bolt 192 is made an annulus 33 below this screw thread, make stopper slot 44 below this annulus.Sheet material 193 after flat board 191 and stretching by the punch process moulding, uses 1 or 2 operation to process and (with reference to figure 7, Fig. 8), makes flange 43 from the top.Double-screw bolt 192 with dull and stereotyped 191 or stretching material 193 can be by joint technology of the present invention jointing-and-forming simply.
Below carry out the explanation of joint technology of the present invention with regard to double-screw bolt 192 in conjunction with product 190 ~ 190A.
Fig. 6 is the processing sequence key diagram of joint technology of the present invention; Fig. 7 is the key diagram of first operation 100 of Fig. 6 processing sequence; Fig. 8 is the key diagram of second operation 110 of Fig. 6 processing sequence; Fig. 9 is the key diagram of the 5th operation 140 of Fig. 6 processing sequence.
As shown in Figure 7, first operation 100 of joint technology of the present invention is that metallic plate forms 40 by punch process.
As shown in Figure 8, the second operation 110 of joint technology of the present invention, the hole 42 dull and stereotyped 40 becomes 43 by the 1st punch 110U with the 2nd die 110L processing flange, is specially the 1st punch 110U is pressed in the 1st die 110L, thereby makes through hole edge formation flange 43.The internal diameter of the 2nd die 110L diminishes gradually inward from die orifice and makes 43 flanging bore into a cone shape.Flanging bore is cone-shaped, can conveniently induce flange 43 easily to enter in stopper slot 44.Suppose that dull and stereotyped thickness is 2.0mm, so the gap of its punch and die need to amplify (such as 2.2mm ~).
Shown in Figure 9 is the 5th procedure 140 of this joint technology.Dull and stereotyped 40 settings in the plane, pole 30 is carried out vertical extrusion process, working pressure machine or manpower make the material of flange be absorbed in 44 li of stopper slots.Make flange 43 in the periphery generation plastic deformation of pole 30 stopper slots, flange 43 is squeezed in the stopper slot of pole 30, and dull and stereotyped 40 are pressed tightly by the spacing ring 33 of pole 30 and body, thereby make pole 30 and dull and stereotyped 40 be bonded into firmly pole body 10, both can not rotate and come off.See also Figure 10, if being shaped as shown in 31 of pole utilizes tool 130U vertically to exert pressure at annulus 34 places of pole 31.
Figure 11 is to use double-screw bolt that joint technology of the present invention is bonded into to engage the front oblique view of product 190 as the 2nd kind of form.Figure 12 is 230-230 section key diagrams of Figure 11, and Figure 13 is the key diagram that uses joint technology double-screw bolt 192 of the present invention, and Figure 14 is the key diagram in conjunction with product 190A that double-screw bolt 192 and drawing plate 193 is combined into one with joint technology of the present invention.
Protect threaded portion 194 on double-screw bolt 192, below process the structure identical with pole 30, i.e. stopper slot 44, spacing ring 33.With reference to joint technology of the present invention shown in Figure 6, just can be joined together double-screw bolt 192 and flat board 191 or drawing plate 193 as shown in figure 14.
Joint between bolt and steel plate is commonly used to spot welding, but joint technology of the present invention does not need pressing time or conduction time, thereby can enhance productivity shortening to Min. process time.In addition, can not also can use joint technology of the present invention to engage with the material that welding procedure is processed, materials such as copper, brass, aluminium alloy also can engage processing between different types of material.Product after plating also can be processed, and no longer needs again to electroplate after processing or adopt other complicated processing technologys.
Above disclosed be only several specific embodiments of the application, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's protection domain.
Claims (8)
1. the joint technology between a metal, is characterized in that, comprises the following steps:
(1) provide a metal parts to be connected, in projection of metal parts end face to be connected processing, in the head of projection following position machined grooves, its protruding head forms annular projection;
(2) provide a sheet metal, stamp out a through hole that conforms to the external diameter size of described annular projection in sheet metal, the through hole edge is processed into flange;
(3) described annular projection is put into the flanging bore of sheet metal and carry out extrusion process, the flange of sheet metal is pressed in the groove of metal parts to be connected, sheet metal and metal parts to be connected are bonded together tightly.
2. the joint technology between metal as claimed in claim 1, is characterized in that, the step that in described step (2), the through hole edge is processed into flange further comprises:
Die is placed on a side of through hole, punch is placed on the another side, then punch is pressed in die, thereby makes through hole edge formation flange.
3. the joint technology between metal as claimed in claim 2, is characterized in that, the internal diameter of described die diminishes inward gradually from die orifice.
4. the joint technology between metal as claimed in claim 1, is characterized in that, flange in described step (2) forms, and to turn over all over the hole be taper.
5. the joint technology between metal as claimed in claim 1, is characterized in that, the projection in described step (1) is round boss, and the through hole in described step (2) is circular hole.
6. the joint technology between metal as claimed in claim 1, is characterized in that, described metal parts to be connected comprises metal bar and metal pipe material.
7. the joint technology between metal as claimed in claim 6, is characterized in that, described metal bar comprises double-screw bolt and axle.
8. the joint technology between metal as claimed in claim 6, is characterized in that, described metal pipe material comprises nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310041854XA CN103128183A (en) | 2013-02-01 | 2013-02-01 | Jointing process between metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310041854XA CN103128183A (en) | 2013-02-01 | 2013-02-01 | Jointing process between metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103128183A true CN103128183A (en) | 2013-06-05 |
Family
ID=48489002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310041854XA Pending CN103128183A (en) | 2013-02-01 | 2013-02-01 | Jointing process between metals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103128183A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550507A (en) * | 2015-01-20 | 2015-04-29 | 东莞市广正模具塑胶有限公司 | Method for connecting steel sheet and die casting |
| CN110211807A (en) * | 2019-06-10 | 2019-09-06 | 来恩伟业(鹤壁)电子科技有限责任公司 | A kind of capacitor weld tabs localization method |
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| JPH07269537A (en) * | 1994-03-31 | 1995-10-17 | Nippon Koden Corp | Caulking boss |
| US6886323B2 (en) * | 2001-12-03 | 2005-05-03 | Komatsu Limited | Fixing structure between link and pin in crawler belt, and fixing method thereof |
| CN102009321A (en) * | 2006-03-20 | 2011-04-13 | 先技精工(日本)有限公司 | Caulked assembly, assembly, manufacturing method and manufacturing apparatus thereof |
| CN202132403U (en) * | 2011-07-07 | 2012-02-01 | 江苏富丽华通用设备有限公司 | Riveting structure for shaft sleeve and thin-plate shaped bracket |
| CN102548370A (en) * | 2010-12-09 | 2012-07-04 | 深圳富泰宏精密工业有限公司 | Shielding cover and manufacturing method thereof |
| CN102817495A (en) * | 2012-08-30 | 2012-12-12 | 伍小平 | Upright post, locating post and forming method and lock using locating post |
-
2013
- 2013-02-01 CN CN201310041854XA patent/CN103128183A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07269537A (en) * | 1994-03-31 | 1995-10-17 | Nippon Koden Corp | Caulking boss |
| US6886323B2 (en) * | 2001-12-03 | 2005-05-03 | Komatsu Limited | Fixing structure between link and pin in crawler belt, and fixing method thereof |
| CN102009321A (en) * | 2006-03-20 | 2011-04-13 | 先技精工(日本)有限公司 | Caulked assembly, assembly, manufacturing method and manufacturing apparatus thereof |
| CN102548370A (en) * | 2010-12-09 | 2012-07-04 | 深圳富泰宏精密工业有限公司 | Shielding cover and manufacturing method thereof |
| CN202132403U (en) * | 2011-07-07 | 2012-02-01 | 江苏富丽华通用设备有限公司 | Riveting structure for shaft sleeve and thin-plate shaped bracket |
| CN102817495A (en) * | 2012-08-30 | 2012-12-12 | 伍小平 | Upright post, locating post and forming method and lock using locating post |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550507A (en) * | 2015-01-20 | 2015-04-29 | 东莞市广正模具塑胶有限公司 | Method for connecting steel sheet and die casting |
| CN110211807A (en) * | 2019-06-10 | 2019-09-06 | 来恩伟业(鹤壁)电子科技有限责任公司 | A kind of capacitor weld tabs localization method |
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Application publication date: 20130605 |