CN1130107A - Method for producing double-layered stainless steel cup - Google Patents
Method for producing double-layered stainless steel cup Download PDFInfo
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- CN1130107A CN1130107A CN 95100007 CN95100007A CN1130107A CN 1130107 A CN1130107 A CN 1130107A CN 95100007 CN95100007 CN 95100007 CN 95100007 A CN95100007 A CN 95100007A CN 1130107 A CN1130107 A CN 1130107A
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Abstract
Main steps for producing double-layered stainless steel cup is as follows: a stainless steel sheet of appropriate size used as the blank is first coated with oil and is then stamped and deep-drawn several times to form a cup body of appropriate size; the said cup body is further turned over and sleeved on a die of smaller size to be stamped and deep-drawn inversely to form an inner cup body of smaller size. This method can complete processing a jointless double-alyered stainless steel cup with integral formation way, and so simplifies procedure and saves time, lowers cost, ensures product quality and has no surface hardening and no need of annealing.
Description
The present invention is a kind of manufacture method of double-layered stainless steel cup, especially a kind of with corrosion resistant plate through repeatedly just, anti-deep-draw is as three positive deep-draws and twice anti-deep-draw, a kind of annealed processing that do not need fully that forms, the manufacture method of the double-layered stainless steel cup that no seam is integrally formed.
In the existing double-layer stainless steel cup structure, its stainless steel cup main body all adopts quick process for stamping and forming to constitute usually, in the process of corrosion resistant plate punching press, steel billet temperature is raise owing to produce heat, its temperature can reach 240 ℃, as not carrying out annealing in process immediately, the stainless steel performance will be changed make rupture plate, can't carry out follow-up punch process again; Even carry out annealing in process, the stainless steel deliquescing becomes fragile, and also can't carry out follow-up punch process again.Therefore the manufacture method of existing double-layered stainless steel cup is generally, the corrosion resistant plate that earlier two sizes is differed becomes two goblet Pa, Pb that outer bore as shown in Figure 1 is identical through the stamping machine deep-draw respectively, and then two goblet Pa, Pb be linked in together, the junction of two goblet Pa, Pb upper end is welded, form through grinding to throw to make earlier at last.Adopt the stainless steel cup of the bilayer that this kind method manufactures, because its outer bore is not easy smooth, can not guarantee during welding to engage fully, can not reach precision prescribed, moreover need after the welding to take a lot of work through polishing is not only time-consuming, and polishing may still leave the space of seam or exposure solder joint, in addition owing to all be difficult for making two goblets to reach good bond as spot welding and polishing, and the edge of its mouthful is a solder bond, so that cause this place's heat radiation bad, be easy to generate and scald the mouth phenomenon, employing has the stainless steel cup of method system now when sending collision deformation, very easily produces in its commissure and breaks.Because there is above-mentioned defective in the manufacture method of existing manufacturing stainless steel cup, therefore need be improved.
The objective of the invention is to overcome the above-mentioned defective of existing method for producing double-layered stainless steel cup, and provide a kind of and save time, the saving of labor, can make product have the manufacture method of the double-layered stainless steel cup of better quality and function.
Its step of the manufacture method of stainless steel cup of the present invention mainly comprises: with a corrosion resistant plate oil surface as blank; The corrosion resistant plate of oil surface is delivered to stamping machine carry out punch process, successively steel plate is carried out repeatedly as 3 deep-draws in the same way, make it to form semi-finished product with the height that requires by diel; These semi-finished product are placed on carry out the oppositely deep-draw first time on another mould, make whole semi-finished product from inside to outside reverse flip become goblet; This goblet is covered on another mould and carry out reverse deep-draw again, make recessed portion form the internal layer cup, then constitute no seam and do not need the double-layered stainless steel cup cup of annealing in process; With the open circumferential of double-layered stainless steel cup cup by require height; Synthetic finished product then matches cup and cup.
Manufacture method of the present invention, can finish a kind of processing of not having seam double-layered stainless steel cup cup in integrally formed mode, can simplify working process and save man-hour, the cost of product is low and can guarantee its quality and performance, because through repeatedly in the same way and oppositely deep-draw, make in the cup, suffered stress of outer surface crystal grain and deflection reach balance, its surperficial unlikely sclerosis, thus avoid stress and deflection too to concentrate a side and fracture phenomena takes place:
Fig. 1 is the schematic diagram of existing method for producing double-layered stainless steel cup;
Fig. 2 is the flow chart of method for producing double-layered stainless steel cup of the present invention;
Fig. 3 is the corrosion resistant plate blank oiling schematic diagram of manufacture method of the present invention;
Fig. 4 A, 4B are the schematic diagram that the deep-draw first time of manufacture method of the present invention is shaped;
Fig. 5 A, 5B are the deep-draw shaping second time schematic diagram of manufacture method of the present invention;
Fig. 6 A, 6B are the shaping of the deep-draw for the third time schematic diagram of manufacture method of the present invention;
Fig. 7 A, 7B are the promptly for the first time reverse deep-draw shaping schematic diagram of the 4th deep-draw of manufacture method of the present invention;
Fig. 8 A, 8B are the promptly for the second time reverse deep-draw shaping schematic diagram of the 5th deep-draw of manufacture method of the present invention;
Fig. 9 is the cutaway view of the double-layered stainless steel cup cup of employing manufacture method manufacturing shaping of the present invention;
Figure 10 is the cutaway view of the double-layered stainless steel cup of employing manufacture method manufacturing shaping of the present invention.
Now in conjunction with the accompanying drawings, and by the manufacture method of following examples to double-layered stainless steel cup of the present invention.Described in detail.
Figure 2 shows that the flow chart of method for producing double-layered stainless steel cup of the present invention.The key step of this manufacture method includes the corrosion resistant plate oil surface that is used as blank with; The corrosion resistant plate of oil surface is delivered to stamping machine carry out punch process, successively steel plate is carried out repeatedly as 3 deep-draws in the same way, make it to form semi-finished product with the height that requires by diel; These semi-finished product are placed on carry out reverse deep-draw on another mould, make whole semi-finished product from inside to outside reverse flip become goblet; Will be on this another mould of goblet cover and carry out reverse deep-draw again, make recessed portion form the internal layer cup, then constitute no seam and do not need the double-layered stainless steel cup cup of annealing in process; With the open circumferential of double-layered stainless steel cup cup by require height; Synthetic finished product then matches cup and cup.
Figure 3 shows that the corrosion resistant plate blank oiling schematic diagram of manufacture method of the present invention.Its oiling process is: the stainless steel blank F that will tailor into required size is placed on the oiler, being coated with on the cylinder A of oiler completely has by pressing plate oil, the young oil of ingot, the high temperature resistance oil plant that lubricating oil mixes in 2: 1: 2 ratios, the cylinder A of blank F through rolling makes the even cloth of high temperature resistance oil plant in its surface.Shown in Fig. 4 A, 4B, the corrosion resistant plate blank F that the surface is coated with full high temperature resistance oil plant is placed on and carries out the deep-draw first time on the stamping machine, be bar shape and have appropriate depth and the semi-finished product F1 of width to form one, will be nested with on a suitable mold 2 through the semi-finished product F1 that deep-draw for the first time is shaped.As Fig. 5 A, carry out the deep-draw second time shown in the 5B, make these semi-finished product F1 deep-draw once more, thereby form the dark semi-finished product F2 of deep-draw semi-finished product F1 for the first time, semi-finished product F2 is taken off be set on another suitable mold 3 then.As Fig. 6 A, carry out deep-draw for the third time shown in the 5B, make semi-finished product F2 deep-draw become required shape, will be nested with through the semi-finished product F3 upset that deep-draw for the third time is shaped then on the mould 4 more less than deep-draw mould 3 areas for the third time.Shown in Fig. 7 A, 7B, carry out for the first time oppositely i.e. deep-draw of the 4th deep-draw, make the whole from inside to outside cup F4 that is turned into of whole semi-finished product F3, then cup F4 is upside down in than on the mould 5 that the 4th time the deep-draw die area is less.Shown in Fig. 8 A, 8B, carry out the i.e. oppositely deep-draw for the second time of the 5th deep-draw, make cup F4 be subjected to punching press and inwardly concave, have double-deck cup F5 thereby form.By instrument with double-deck cup F5 open circumferential by suitable height, this cup F5 cut place is bent inwards so that cup F5 can be embedded on cup G with matching, constitute double-layered stainless steel cup finished product as shown in figure 10.
When carrying out first time deep-draw, shown in Fig. 4 A, steel plate blank F earlier that cutting is suitable and oiling suitably is placed on the die shoe 11 of mould 1, be provided with a die 12 in this die shoe 11, this die 12 is the state of maintaining static, do not place at die shoe 11 on the end of steel plate F and be connected with push rod 13, this push rod 13 is connected with oil hydraulic cylinder, can make die shoe 11 by push rod 13 under the effect of oil hydraulic cylinder, go up and move, be placed with at die shoe 11 on the end of steel plate F, be provided with upper bolster 14 on the other side, be pivoted with the push rod 16 of device in oil hydraulic cylinder on this upper bolster 14, in upper bolster 14, be equipped with mobilizable by a rod member and with fixed module 12 corresponding modules 15.
When deep-draw first time program behavior, shown in Fig. 4 B, upper bolster 14 is driven by oil hydraulic cylinder with module 15 and moves down, to be placed on after steel plate F on the die shoe 11 tightly is pressed against on the die shoe 11 at upper bolster 14, because of acting on driving pressure on the upper bolster 14 greater than the driving pressure that acts on the die shoe 11, and be inactive state by the die 12 that is arranged in die shoe 11, so last, die shoe 14,11 continue downwards to promote simultaneously, when steel plate being bent downwards with suitable speed such as 2.0-2.5 cel, because the reaction force of 12 couples of steel plate F of die, to force steel plate from bottom to top by deep-draw, through appropriate time such as after the several seconds, to go up, die shoe 14,11 separate, and take out the semi-finished product F1 of deep-draw for the first time, promptly finish the action of deep-draw for the first time.
In addition, has the inclination lead angle 121 that is about 20 °-45 ° because of die 12 end periphery places, at die 12 with steel plate F from bottom to top during deep-draw, make steel plate F abut in lead angle 121 places, and be bent into one along lead angle 121 and be circular-arc inclined-plane, the stress average mark that deep-draw is produced is dispersed on the inclined-plane, on the unlikely inflection point that concentrates on semi-finished product F1 and produce fracture.
During deep-draw for the second time shown in Fig. 5 A, the semi-finished product F1 of the shaping of deep-draw for the first time earlier is displaced on another suitable mold F2, semi-finished product F1 is nested with at external diameter again and is slightly less than on the upper bolster 22 of semi-finished product F1 bore, be provided with a fixing die 23 in this upper bolster 22, one end of upper bolster 22 is connected with push rod 24 pivots are moving, on push rod 24, oil hydraulic cylinder is installed, has a die shoe 25 that matches with upper bolster 22 with the other end corresponding section of upper bolster 22, in die shoe 25, have corresponding with die 23, mobilizable module 26 is equipped with on the die shoe 25 and the moving push rod 27 that is connected of oil hydraulic cylinder pivot.
In deep-draw second time program, shown in Fig. 5 B, die shoe 25 is driven by oil hydraulic cylinder with module 26 and moves up, when will being placed on the inboard cambered surface of semi-finished product F1 on the upper bolster 22, die shoe 25 tightly is pressed against after the inboard cambered surface of semi-finished product F1 on the upper bolster 22 tightly presses on the upper bolster 22, because of acting on driving pressure on the die shoe 25 greater than the driving pressure that acts on the upper bolster 22, be inactive state owing to be arranged in the die 23 of upper bolster 22 simultaneously, so last, die shoe 22,25 with when upwards continuing to advance, the reaction force of 23 couples of semi-finished product F1 of die will force semi-finished product F1 from top to bottom by deep-draw, the process appropriate time is after the several seconds, to go up, die shoe 22,25 are separated, and can obtain the semi-finished product F2 tall and thin than semi-finished product F1.
When carrying out deep-draw, the inclination lead angle 231 that has 25-45 ° because of the end periphery place of die 23, when die 23 during with semi-finished product F1 deep-draw from top to bottom, semi-finished product F1 abuts in lead angle 231 places, and be bent into a circular-arc inclined-plane along lead angle 231, but the stress average mark that deep-draw is produced is dispersed on the inclined-plane, on the unlikely inflection point that concentrates on semi-finished product F2 and produce fracture.
During deep-draw for the third time as shown in Figure 6A, the semi-finished product F2 that the deep-draw second time is become moves on the required mould 3, semi-finished product F2 is nested with at external diameter again and is slightly less than on the upper bolster 31 of semi-finished product F2 bore, be provided with a fixing die 32 in this upper bolster 31, one end of upper bolster 31 and push rod 23 pivot mutually are dynamically connected, on the push rod 33 oil hydraulic cylinder is installed, be provided with a die shoe 34 that can match with the other end opposite position of upper bolster 31 with upper bolster 31, corresponding die 32 places are provided with a mobilizable module 35 in die shoe 34, are equipped with on the die shoe 34 and the oil hydraulic cylinder push rod 36 that is dynamically connected of pivot mutually.
In deep-draw program for the third time, shown in Fig. 6 B, die shoe 34 is driven by oil hydraulic cylinder with module 35 and moves up, after inboard cambered surface that die shoe 34 will be placed on the semi-finished product F2 on the upper bolster 31 tightly is pressed against on the upper bolster 31, owing to act on driving pressure on the die shoe 34 greater than the driving pressure on the effect upper bolster 31.And the die 32 that is arranged in upper bolster 31 remains static, so at upper and lower die holder 31, during 34 upwards lasting simultaneously propellings, the reaction force of 32 couples of semi-finished product F2 of die will force semi-finished product F2 from top to bottom by deep-draw, through appropriate time such as after the several seconds, upper and lower die holder 31,34 is separated, can obtains the semi-finished product F3 of required specification.
When carrying out deep-draw, the inclination lead angle 321 that has about 25-45 ° because of die 32 end periphery places, at die 32 during with semi-finished product F2 deep-draw from top to bottom, semi-finished product F2 abuts in lead angle 321 places, be bent into a circular-arc inclined-plane along lead angle 321, the stress that deep-draw is produced can disperse on the inclined-plane fifty-fifty, on the unlikely inflection point that concentrates on semi-finished product F3 and produce fracture.
During for the first time oppositely i.e. deep-draw of the 4th deep-draw shown in Fig. 7 A, the semi-finished product F3 that deep-draw for the third time is shaped moves on the mould 4, again semi-finished product F3 is nested with on die shoe 41, be provided with the die 42 of an activity in the die shoe 41, one end of die shoe 41 is connected with push rod 43 pivots movingly, above the push rod 43 oil hydraulic cylinder is installed, be provided with a upper bolster 44 that matches with die shoe 41 with the other end opposite position of counterdie 41, corresponding die 42 places are provided with a stuck-module 45 in upper bolster 44, and upper bolster 44 is equipped with and the oil hydraulic cylinder push rod 46 that is dynamically connected of pivot mutually.
In the 4th deep-draw program shown in Fig. 7 B, die shoe 41 is driven by oil hydraulic cylinder with die 42 and moves up, when die shoe 41 places after semi-finished product F3 on the die shoe 41 abuts against on the upper bolster 44, because act on driving pressure on the die shoe 41 greater than the driving pressure that acts on the upper bolster 44, and the module between upper bolster 44 45 is inactive state, so last, die shoe 44, during 41 upwards lasting simultaneously propellings, the reaction force of 45 couples of semi-finished product F3 of module will force semi-finished product F3 oppositely to strain at from top to bottom, through appropriate time such as after the several seconds, to go up, die shoe 44,41 are separated, and can obtain the cup Fd that the whole from inside to outside reverse flip of semi-finished product F3 is formed.Through the semi-finished product F3 that is shaped after the deep-draw in the same way for three times again through the 4th time reverse deep-draw, make the stress that crystal grain produced and the distortion on its surface, medial and lateral can reach balance, make its surperficial unlikely sclerosis, or stress and distortion concentrations produce in a side surface and break.
When carrying out deep-draw, the inclination lead angle 451 that has about 25-45 ° because of module 45 end periphery places, when module 45 during with semi-finished product F3 deep-draw from top to bottom, semi-finished product F3 abuts in lead angle 451 places, and be bent into a circular-arc inclined-plane downwards along lead angle 451, but the stress average mark that deep-draw is produced is dispersed on the inclined-plane, on the unlikely inflection point that concentrates on cup F4 and produce fracture.
During for the second time oppositely i.e. deep-draw of last the 5th deep-draw shown in Fig. 8 A, the cup F4 that the 4th deep-draw is shaped moves on the mould 5 earlier, again cup F4 is nested with on die shoe 51, be provided with a movable die 32 in the die shoe 51, die shoe 51 1 ends and push rod 53 pivot mutually are connected movingly, push rod 53 is provided with oil hydraulic cylinder, be provided with a upper bolster 54 that matches with die holder 51 with die shoe 51 other end opposite positions, be provided with a fixing module 55 corresponding to die 52 places in upper bolster 54, upper bolster 54 is provided with and the oil hydraulic cylinder push rod 56 that is dynamically connected of pivot mutually.
In the 5th deep-draw program shown in Fig. 8 B, die shoe 51 is driven by oil hydraulic cylinder with die 52 and moves up, when die shoe 51 will be placed on after cup F4 on the die shoe 51 tightly is pressed against on the upper bolster 54, because of acting on driving pressure on the die shoe 51 greater than the driving pressure that acts on the upper bolster 54, and the module 55 that is arranged in upper bolster 54 is inactive state, more than the institute, die shoe 54, during 51 upwards lasting simultaneously propellings, the reaction force of 55 couples of cup F4 of module will force cup F4 to be reversed deep-draw from top to bottom, making cup F4 be subjected to punching press inwardly concaves, through appropriate time such as will go up after the several seconds, die shoe 44,41 are separated, and can obtain one and have double-deck cup F5.
When carrying out deep-draw, 55 end periphery places have 25-45 ° of inclination lead angle 551 because of module, in module 55 during with cup F4 deep-draw from top to bottom, cup F4 abuts in lead angle 551 places, be bent into a circular arcuation inclined-plane downwards along lead angle 551, the stress average mark that deep-draw is produced is dispersed on the inclined-plane, and the unlikely stress average mark that concentrates on cup F5 is dispersed on the inclined-plane, unlikely concentrate on the cup F5 inflection point and produce fracture.
Obtain cup F5 after being shaped through above-mentioned five dark grains, utilize instrument with open circumferential by suitable height as shown in Figure 9, cup F5 cut place is bent inwards, cup F5 is embedded as shown in figure 10 on the cup G that cooperates with it constitutes finished product.
Claims (10)
1, a kind of manufacture method of double-layered stainless steel cup, its step includes: with a stainless steel surfaces oiling as blank; The corrosion resistant plate of oil surface is delivered to stamping machine carry out punch process, successively steel plate is carried out repeatedly deep-draw in the same way, make it to form semi-finished product with the height that requires by diel; These semi-finished product are placed on carry out the oppositely deep-draw first time on another mould, make whole semi-finished product from inside to outside reverse flip become goblet, this goblet covered on another mould and carry out reverse deep-draw again, make recessed portion form the internal layer cup, then constitute no seam and do not need the double-layered stainless steel cup cup of annealing in process; With the open circumferential of double-layer stainless steel cup by require height; Synthetic finished product then matches cup and cup.
2, according to the described manufacture method of claim 1, it is characterized in that: the corrosion resistant plate of oil surface is delivered to stamping machine and is carried out three deep-draws in the same way successively, make it to form semi-finished product with the height that requires, its step comprises: the corrosion resistant plate of oil surface is delivered to carried out the deep-draw first time on the stamping machine mould, make steel plate form one by the punching press deep-draw and be bar shape and have appropriate depth and the semi-finished product of width; These semi-finished product are nested with on another suitable mould carry out the deep-draw second time, make it to form the darker semi-finished product of deep-draw semi-finished product for the first time; These semi-finished product are nested with on the mould of another required size specification, carry out deep-draw for the third time, make it the semi-finished product that deep-draw becomes the required form height.
3, manufacture method according to claim 1 and 2, it is characterized in that when with the double-layered stainless steel cup cup behind the requirement height, again this cup cut place is bent inwards connect into finished product so that match with cup.
4, manufacture method according to claim 2, it is characterized in that carrying out the first time in the same way during deep-draw, steel plate earlier that cutting is suitable and oiling is placed on the die shoe of mould (1), upper bolster (14) is driven by oil hydraulic cylinder with module (15) and moves down, to be placed on steel plate F on the die shoe (11) at upper bolster (14) tightly is pressed against after die shoe (11) goes up, because of acting on driving pressure on the upper bolster (14) greater than the driving pressure that acts on the die shoe (11), and owing to the die (12) that is arranged in die shoe (11) is inactive state, more than the institute, die shoe (41), (11) continue downwards simultaneously to promote, when suitably fast steel plate being bent downwards, because die (12) is to the reaction force of steel plate F, to force steel plate F from bottom to top by deep-draw, through taking out the semi-finished product F1 of deep-draw for the first time after the several seconds.
5, manufacture method according to claim 2, it is characterized in that carrying out the second time in the same way during deep-draw, the semi-finished product F1 that first time deep-draw is shaped is nested with at external diameter and is slightly less than on the upper bolster (22) of semi-finished product F1 bore, die shoe (25) is driven by oil hydraulic cylinder with module (26) and moves up, when inboard cambered surface that die shoe (25) will be placed on the semi-finished product F1 on the upper bolster (22) tightly is pressed against after upper bolster (22) goes up, because of acting on driving pressure on the die shoe (25) greater than the driving pressure that acts on the upper bolster (22), be inactive state owing to be arranged in the die 23 of upper bolster (22) simultaneously, so last, die shoe (22), when (25) upwards continuing to advance simultaneously, die (23) will force semi-finished product F1 from top to bottom by deep-draw to the reaction force of semi-finished product F1, through taking out the semi-finished product F2 of deep-draw for the second time after the several seconds.
5, according to the described manufacture method of claim 2, it is characterized in that when carrying out for the third time deep-draw in the same way, the semi-finished product F2 that second time deep-draw is shaped is nested with at external diameter and is slightly less than on the upper bolster (31) of semi-finished product F2 bore, die shoe (34) is driven by oil hydraulic cylinder with module (35) and moves up, when inboard cambered surface that die shoe (34) will be placed on the semi-finished product F2 on the upper bolster (31) tightly is pressed against after upper bolster (31) goes up, because of acting on driving pressure on the die shoe (34) greater than the driving pressure that acts on the upper bolster (31), simultaneously owing to the die (32) that is arranged in upper bolster (31) remains static, so last, when die shoe (31) (34) upwards continues to advance simultaneously, die (32) will force semi-finished product F2 from top to bottom by deep-draw to the reaction force of semi-finished product F2, through taking out the semi-finished product F3 of deep-draw for the third time after the several seconds.
7, manufacture method as claimed in claim 2, it is characterized in that carrying out the first time oppositely during deep-draw, the semi-finished product F3 that deep-draw is for the third time formed is nested with on the die shoe (41) of another mould (4), die shoe (41) drives and moves up from oil hydraulic cylinder with die (42), when will being placed on semi-finished product F3 on the die shoe (41), die shoe (41) tightly is pressed against after upper bolster (44) goes up, because act on driving pressure on the die shoe (41) greater than the driving pressure that acts on the upper bolster (44), and the module (45) that is positioned among the upper bolster (44) is inactive state, so last, die shoe (44), when (41) upwards continuing to advance simultaneously, module (45) will force semi-finished product F3 oppositely deep-draw from top to bottom to the reaction force of semi-finished product F3, take out the cup F4 that the whole from inside to outside reverse flip of semi-finished product F3 is formed after the several seconds.
8, manufacture method according to claim 2, it is characterized in that when carrying out for the third time oppositely deep-draw, the cup F4 that the promptly for the first time reverse deep-draw of the 4th deep-draw is shaped is nested with on the die shoe (51) of mould (5), die shoe (51) is driven by oil hydraulic cylinder with die (52) and moves up, when will being placed on cup F4 on the die shoe (51), die shoe (51) tightly is pressed against after upper bolster (54) goes up, because of acting on driving pressure on the die shoe (51) greater than the driving pressure that acts on the upper bolster (54), and the module (55) that is arranged in upper bolster (54) is inactive state, more than the institute, die shoe (54), when (51) upwards continuing to advance simultaneously, module (55) will force cup F4 to be reversed deep-draw from top to bottom to the reaction force of cup F4, make cup F4 be subjected to punching press and inwardly concave, have double-deck cup F5 through taking out after the several seconds.
9, according to the described manufacture method of one of claim 4 to 8, the end periphery that it is characterized in that being the die of inactive state or module has 25-45 ° inclination lead angle, when die or module with semi-finished product from top to bottom or from lower to upper during deep-draw, the semi-finished product cup abuts in the lead angle place, and be bent into a circular-arc inclined-plane downwards along lead angle, the stress average mark that deep-draw is produced is dispersed on the inclined-plane, unlikely concentrate on its inflection point and produce fracture.
10,, it is characterized in that deep-draw speed is the 2.0-2.5 cel according to the described manufacture method method of one of claim 4 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95100007A CN1070742C (en) | 1995-03-02 | 1995-03-02 | Method for producing double-layered stainless steel cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95100007A CN1070742C (en) | 1995-03-02 | 1995-03-02 | Method for producing double-layered stainless steel cup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1130107A true CN1130107A (en) | 1996-09-04 |
| CN1070742C CN1070742C (en) | 2001-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95100007A Expired - Fee Related CN1070742C (en) | 1995-03-02 | 1995-03-02 | Method for producing double-layered stainless steel cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1070742C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357592A (en) * | 2011-07-11 | 2012-02-22 | 昆山飞宇精密模具有限公司 | Combination mould for deeply drawing work-pieces |
| CN104438949A (en) * | 2014-12-22 | 2015-03-25 | 靖江市同安汽车配件制造有限公司 | Train damping bracket machining technology |
| CN107186115A (en) * | 2017-07-13 | 2017-09-22 | 永康市超朗工贸有限公司 | The production method of bulging shell welding vacuum tank after first stretching |
| CN109821985A (en) * | 2019-04-11 | 2019-05-31 | 成都纵远机械设备有限公司 | A kind of manufacturing method of high-level waste glass solidified body storage tank |
| CN114555257A (en) * | 2019-10-11 | 2022-05-27 | 株式会社天田集团 | Bending system and grease supply unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135976Y (en) * | 1992-09-08 | 1993-06-16 | �林正明 | Improved structure of double-deck stainless steel cup |
-
1995
- 1995-03-02 CN CN95100007A patent/CN1070742C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357592A (en) * | 2011-07-11 | 2012-02-22 | 昆山飞宇精密模具有限公司 | Combination mould for deeply drawing work-pieces |
| CN104438949A (en) * | 2014-12-22 | 2015-03-25 | 靖江市同安汽车配件制造有限公司 | Train damping bracket machining technology |
| CN107186115A (en) * | 2017-07-13 | 2017-09-22 | 永康市超朗工贸有限公司 | The production method of bulging shell welding vacuum tank after first stretching |
| CN109821985A (en) * | 2019-04-11 | 2019-05-31 | 成都纵远机械设备有限公司 | A kind of manufacturing method of high-level waste glass solidified body storage tank |
| CN114555257A (en) * | 2019-10-11 | 2022-05-27 | 株式会社天田集团 | Bending system and grease supply unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1070742C (en) | 2001-09-12 |
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