CN100425395C - Method for preparing anode copper ball and apparatus thereof - Google Patents
Method for preparing anode copper ball and apparatus thereof Download PDFInfo
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- CN100425395C CN100425395C CNB2004100521166A CN200410052116A CN100425395C CN 100425395 C CN100425395 C CN 100425395C CN B2004100521166 A CNB2004100521166 A CN B2004100521166A CN 200410052116 A CN200410052116 A CN 200410052116A CN 100425395 C CN100425395 C CN 100425395C
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Abstract
The present invention provides a method for preparing anode copper balls. The method comprises the following steps: a copper billet rod is peeled, rolled, drawn, straightened, etc. and then is stamped into a ball; the stamped anode copper ball is deoiled, polished and washed, and in the deoiling and polishing technologies, the anode copper ball and a compound polishing agent are mixed and are put in a rotary device to be treated by rotation; the washing technology comprises a pre-washing step and a formal washing step, wherein in the pre-washing step, water is led into the rotary device, the rotary device is started, and thereby, the anode copper ball is washed; in the formal washing step, the pre-washed anode copper ball is washed by hot water spraying and heating. A device for preparing anode copper balls comprises an automatic paying out machine of a bundled copper rod, a grinding nose machine, a butt-weld machine, a continuous peeling mold, a tandem mill, a tandem drawing machine, a wire-rewinding machine, an automatic synchronization straightening machine, a cold heading machine, a polishing machine, a cleaning and drying machine, etc. The present invention is capable of obviously improving the appearance quality and the inner quality of anode copper ball products and adapts to large-scale and efficient production requirements.
Description
Technical field
The present invention relates to non-ferrous metal calendering processing and cold-heading balling-up technology, particularly a kind of preparation method of anode copper ball and device thereof.
Background technology
The anode copper product is nearly ten years a kind of new copper phosphorus alloy materials that grow up, and mainly is used as the anode material of printed substrate circuit communication and wiring board panel plating, is one of electronic information manufacturing industry basic material.At present both at home and abroad the balling-up technology all is to adopt horizontal casting to make base usually, is cut into directly cold-heading balling-up behind the strip; Its product processes flow process is simpler, but product ball surface is prone to serious tangerine peel (concavo-convex elephant skin) and the irregular phenomenon of endless belt, be difficult for realizing serialization production, the effective rate of utilization of labor productivity and metal is lower, the product interior tissue is fine and close inadequately simultaneously, surface quality and internal soundness can't satisfy the high-quality wiring board and electroplate requirement, easily produce point discharge and inhomogeneities in the wiring board electroplating process, cause coarse mist of wiring board plate face and brightless; Simultaneously casting surface bur easy-clear not easily causes bur to be pressed in the copper ball, causes that the earth of positive pole increases in the printed substrate electroplating bath, influence the electroplating quality decline of wiring board and the rising of production cost.This series products generally is suitable for the production of single printed on both sides wiring board, and can't satisfy the production requirement of high-performance multilayer wiring board.Provide " a kind of production method of PC anode copper ball " at number of patent application in for 02124991.1 application for a patent for invention, this method has just simply been introduced to impelling crystal grain broken refinement raising base bar intensity, performance such as hardness and surface smoothness, need copper base bar through stripping off the skin, cold rolling, drawing, upset and make ball in multiple tracks such as aligning processing back, but the not concrete technical process of implementing each procedure of processing of introducing, cause technical scheme unclear, particularly this scheme only relates to the continuous processing of single-deck unit copper base bar, and not mentionedly difference is coiled first copper base bar connects and carry out processed continuously technology; And said method is also just mentioned the technical measures that base bar intensity, hardness and surface smoothness are improved, the technology contents that improves for the prior anode copper ball product surface quality that the system back of rammer is formed does not relate to, and the quality of the last anode copper ball surface quality that forms has fundamental influence (as previously mentioned to the normal use of product, may cause point discharge and inhomogeneities, cause the wiring board plate face second-rate).
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, a kind of surface quality and internal soundness that can improve anode copper ball simultaneously is provided, can adapt to the preparation method of the anode copper ball of high-performance multilayer wiring board instructions for use.
Another object of the present invention is to provide a kind of preparation facilities of realizing the anode copper ball of said method.
The object of the invention is achieved through the following technical solutions: the preparation method of this anode copper ball comprises that casting coiled upsets after the technologies such as first copper base bar strips off the skin, rolling, drawing, aligning and makes ball, it is characterized in that: the anode copper ball that the system of will upsetting is finished carries out oil removing, polishing, carrying out washing treatment, described oil removing, glossing are whirligig to be put in anode copper ball and composite polishing agent be rotated processing, processing time looks the specification size of anode copper ball and determines, generally is controlled at 20～50 minutes; Described washing process comprises prerinse and formal cleaning step, described prerinse is cleaned for thereby water is fed whirligig and starts whirligig antianode copper ball, described formal cleaning is will be through the anode copper ball after the prerinse by heat water-spraying's heated wash, the hot water temperature is controlled at 80～100 ℃, but the antianode copper ball is dried after washing, and oven dry can be adopted heating, drying and ventilation drying mode.
Described composite polishing agent consist of husk, polishing sand and ground caustic, its ratio is 1: 3: 1, aforementioned ratio is weight percentage; The addition of described composite polishing agent is about 3 of anode copper ball product weight～10 ‰.
It is the slicing mould size is coiled first copper base shank diameter less than the preceding casting of processing 0.2～0.4mm that the operation of the described step that strips off the skin requires, the degree of depth that strips off the skin of first copper base bar is coiled in this that is casting, when first the dish casting coil first copper base bar be rolled, when pulling to afterbody, reservation need be coiled first copper base club head end face counterpart welding with the casting of second dish apart from the length of slicing mould 1～2m.
Described drawing, before rolling, specification according to required rammer ball, determine to provide the optimum size of base bar, the optimum size of general cold-heading balling-up determine with reference to bar directly than, be that the length of base bar and the diameter ratio 1.1～2.0 of institute's rammer ball are determined, should consider process equipment simultaneously---milling train and drawbench and base bar working ability are come the reasonable disposition drawing, rolling operation passage and working modulus, general casting is coiled first copper base bar processing passage and is no less than 2 passages, best online configuration first road is rolling, second road is drawing, when processing passage 〉=when 3 passages are above, should dispose drawing procedure together at last usually, total working modulus is controlled at and is not less than 20% and is advisable; Described casting is coiled first copper base shank diameter and can be selected between φ 12～φ 38mm, can be selected between φ 8～φ 30mm by drawing, dish unit copper base bar (i.e. first copper bar base is coiled in processing) diameter after rolling.
Add man-hour continuously when coiling first copper base bar to the casting of second dish, should first the dish casting coil first copper base bar afterbody and second the dish casting coil first copper base club head by the knot that is weldingly connected, concrete operations are: the casting of the casting of first dish being coiled the first copper base bar afterbody and second dish is coiled first copper base club head and is sandwiched respectively on the hydraulic clamp of two ends, the automatic butt-welding machine left and right sides, and first copper base rod end surface is coiled in two castings that are held and bar axially meets at right angles, first copper base bar afterbody is coiled in casting and head end should respectively grow the inboard 20mm～30mm of jaw, after clipping, the casting that high frequency electric source is fed two clamps is coiled on first copper base bar, start butt-welding machine two clamp hydraulic selectors simultaneously, first copper base club head is coiled in the casting of left clamp (common right clamp is to fixedly install) clamping this moment second dish, with pressure is 50～200KN, the moment translational speed along continuous straight runs that is not less than 30mm/s moves with first casting of right clamp and coils the butt-joint of first copper base bar afterbody, after inspection welds, two clamp hydraulic selectors about opening, butt-welding machine is coiled first copper base bar (working position) from casting to be shifted out, be right after a rotation deflesher and move into working position, removing the outstanding crator of postwelding conforms to until coiling first copper base shank diameter with casting, shift out the rotation deflesher, can carry out follow-up stripping off the skin then, rolling, drawing processing.The rest may be inferred, carries out the butt-joint that first copper base bar is coiled in castings such as the 3rd, the 4th dish, coils the continued operation of first copper base bar to realize many castings.
Aforementioned stripping off the skin, rolling, after the processing that drawing is produced is coiled first copper base bar and is taken off, the automatic draw drum of putting into ball upsetting machine again carries out unwrapping wire, aligning, the rammer ball exercise is done, described aligning specific operation process is: the automatic draw drum unwrapping wire that first copper base bar is put into ball upsetting machine is coiled in processing, bar base head is except that the aligning wheel hole of passing synchronous straightener after the deburring, mate synchronously at the axial feed velocity of base bar and the feeding feed speed of ball upsetting machine by setting in advance synchronous straightener, synchronous straightener hydraulic pressure is set simultaneously at 100～600KN, the aligning feed speed is between 40～70mm/s, when starting ball upsetting machine, start continuous synchronization straightener and ball upsetting machine synchronous operation feeding simultaneously, realize processing coil first copper base bar on, following and left, right continuous synchronization aligning.When base rod bending degree during greater than 15mm/m, should adjust strengthen straightening force can, base bar curvature half must manually can be carried out after the straightening processing before this in advance through being to pass through synchronous straightener less than 50mm (having the sharp turn) in the aligning process.
Before the rammer ball exercise is done, earlier by institute's rammer gauge ball lattice size, calculate theoretical blank length, its blank length is recently to determine according to the aforementioned rod footpath, general blank length all can influence the presentation quality of rammer ball: when base bar blank length is longer, the ball Apparently in Good Order﹠ Condition, but the endless belt limit at matched moulds position big (being overlap) influences the use of product; And work as base bar blank length more in short-term, elephant skin and not full phenomenon can appear in the ball surface, influence the use of product equally; The endless belt size of general ball should be controlled at diametric(al) and be advisable less than 1mm.After definite blank length, ball upsetting machine associated components (cutter assembly) is set in the position that can cut off the base bar continuously by aforementioned blank length, can try the ball of upsetting, the ball warp dimension control that examination is upset out, the degree of skewness size generally is controlled at below the 0.2mm, described degree of skewness is meant in rammer ball process the side-play amount of two hemispheres intermode behind the dynamic model and cover half matched moulds, two hemispheres is with the deflection between diameter after promptly forming ball, when the degree of skewness size that forms ball during greater than 0.2mm, about carry out the installation site of reply ball mould or adjust up and down, until adjusting the degree of skewness size within acceptability limit; Ball surface plumpness is meant the degree of ball surface elephant skin depression, plumpness check in ball surface is a surface quality situation of weighing institute's rammer ball with plumpness not in the actual production process, general ball surface not plumpness area should be controlled and is not more than 5～10% of ball surface area, plumpness mainly is to realize by controlling blank length and the base bar working modulus (hardness) of adjusting institute's rammer ball base bar, have one's face covered with long-pendingly less than 5% the time when the surface insatiable hunger of examination rammer ball, should align and shorten blank length; Have one's face covered with long-pendingly greater than 10% the time when the surface insatiable hunger of examination rammer ball, should align lengthening blank length, after the ball product satisfies above-mentioned requirements, can change normal cold-heading ball production continuously over to, the balling-up frequency of cold-heading ball can be controlled in 40～150/min usually.Can reach 8.95g/cm by above-mentioned operation control anode ball product density
3
The preparation facilities of realizing the anode copper ball of said method comprises the automatic paying out machine of the first copper bar of dish, grinding machine, butt-welding machine, continuous slicing mould, tandem mill, connects the machine that pulls out, admission machine, automatic straightener, cold headers, polishing machine, cleaning drying machine synchronously, the automatic paying out machine of the first copper base of described dish bar, grinding machine, butt-welding machine, continuously slicing mould, tandem mill, machine pulls out in company, admission machine sets gradually according to the machine direction of copper base bar, respectively copper base bar is processed processing in order, and the copper base bar that will obtain after will being processed by admission machine is received on the take-up reel; Described automatically synchronous straightener, cold headers, polishing machine, cleaning drying machine set gradually according to the processing direction of process, respectively worked copper base bar are carried out operational processes in order, obtain all satisfactory anode copper ball of presentation quality and inherent quality.
The present invention has following advantage and effect with respect to prior art: utilize surface that the present invention can make the anode copper ball product not plumpness be controlled at below 7%, the ball product density can reach 8.95g/cm
3And can obviously improve simultaneously the presentation quality and the inherent quality of anode copper ball product, avoid in the wiring board electroplating process, producing point discharge and non-uniform phenomenon, also overcome prior art and only can handle the defective of single-deck unit copper base bar, can connect the first copper base bar of different dishes handles continuously, enhance productivity greatly, can adapt to production requirement in large-scale, high-efficiency, economic benefit is very obvious.
Description of drawings
Fig. 1 is the structural representation of the preparation facilities of anode copper ball of the present invention.
The specific embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Embodiment
Fig. 1 is the schematic diagram of anode copper ball preparation facilities of the present invention, as seen from Figure 1, this anode copper ball preparation facilities comprises that casting coils the automatic paying out machine 1 of first copper base bar, grinding machine 2, butt-welding machine 4, continuous slicing mould 5, tandem mill 6, connect the machine 7 that pulls out, admission machine 8, take-up reel 10, the automatic draw drum 11 of ball upsetting machine, automatically synchronous straightener 12, cold headers 13, polishing machine 17, cleaning drying machine 18, the automatic paying out machine 1 of first copper base bar is coiled in described casting, grinding machine 2, butt-welding machine 4, continuous slicing mould 5, tandem mill 6, connect the machine 7 that pulls out, admission machine 8, take-up reel 10 sets gradually according to the machine direction of copper base bar 3, respectively copper base bar 3 is processed processing in order, and the copper base bar (being worked copper base bar 9) that will obtain after will being processed by admission machine 8 is received on the take-up reel 10; It is described that straightener 12, cold headers 13, polishing machine 17, cleaning drying machine 18 set gradually according to the processing direction of worked copper base bar 9 synchronously automatically, respectively worked copper base bar 9 is carried out operational processes in order, described cold headers 13 are provided with loose tool 14, dynamic model 15-1, cover half 15-2 and gag lever post 16, described dynamic model 15-1 is installed on the drift, cover half 15-2 is installed on cold headers 13 bodies, described gag lever post 16 is arranged on cold headers 13 bodies, carries out spacing to worked copper base bar 9.
It is as follows to utilize said apparatus to carry out the detailed process of anode copper ball preparation: put into casting and coil the automatic paying out machine 1 of first copper base bar coil first copper base bar 3 through the casting that is up to the standards, casting is coiled first copper base bar 3 heads and is needed to grind head at grinding machine 2, ground its head dimensions of back and should be pulled out machine 7 last one mould directly through about 1mm less than connecting, being ground the head site surface should seamlessly transit, after removing burr, (the slicing mould size is coiled 0.2～0.4mm) of first copper base bar 3 diameters less than the preceding casting of processing continuously to pass continuous slicing mould 5, tandem mill 6 roller holes, on tandem mill 6 reels, open, after starting tandem mill 6 rolling 3～4 circles then, after unclamping the casting copper base bar 3 that is rolled on the reel and aligning, the nib of machine 7 pulls out in the company of passing again, even pulling out tensioning on machine 7 reels, start to connect the machine that pulls out 7 and connect and pull out 3～4 circles, unclamp to connect and align after pulling out the casting copper base bar 3 that is even pulled out on machine 7 reels; When the rolling or drawing that will carry out the 3rd road adds man-hour, be to wear mould equally, tensioning on reel, rolled blank bar or drawing base bar are unclamped in drawing then, obtain worked copper base bar 9.Here need to prove that the processing road number of times that obtains worked copper base bar 9 is to determine according to the specification size requirements of institute's rammer ball, generally should be no less than two passages, promptly one rolls and pulls out or two pull out.At last worked copper base bar 9 is passed admission machine 8 pinch rollers and be involved in take-up reel 10, weight reaches 1～5 ton hour when take-up reel 10 mid-games unit, must interrupt carrying out the continuous take-up that next coils first copper base bar again behind the worked copper base bar 9.
Coiling first copper base bar 3 when the casting of first dish is about to strip off the skin when finishing, should coil the afterbody reservation of first copper base bar apart from slicing mould length 1～2m in the first dish casting, then first copper base bar 3 being coiled in the casting of second dish puts into casting and coils after the automatic paying out machine 1 of first copper bar, respectively first copper base bar 3 head end and first casting being coiled in second casting coils first copper base bar 3 tail end faces and is cut into and axially meets at right angles with the base bar and smooth, preparation butt-joint on butt-welding machine 4 connects first, first copper base bar 3 is coiled in two castings, and (coiling first copper base bar 3 except that first casting needs to grind the head, second of all the other back, three, 3 needs of first copper base bar are coiled in fourth class casting and a last dish casting is coiled first copper base bar and carried out butt-joint, and need not to grind again head, can continue follow-up stripping off the skin, rolling, drawing processing), this moment should first casting coil the afterbody of first copper base bar 3 and head that first copper base bar 3 is coiled in second casting be individually fixed in butt-welding machine 4 about on two clamps, two rod end surface should be distinguished the inboard 20mm～30mm of swinging radius tong chops, start butt-welding machine 4 butt-joints, first copper base bar 3 is coiled in the casting of left clamp clamping this moment, with pressure is 50～200KN, and the moment translational speed along continuous straight runs that is not less than 30mm/s moves casting on the clamp to the right and coils first copper base bar 3 end faces and directly clash into welding; After inspection welds, the hydraulic selector of two clamps about opening, butt-welding machine 4 is coiled first copper base bar 3 (working position) from casting to be shifted out, and then rotary deflesher is moved into working position, removing the outstanding crator of postwelding conforms to until coiling first copper base bar 3 diameters with casting, shift out the rotation deflesher, carry out follow-up tandem rolling then and even pull out processing; The rest may be inferred, and the butt-joint that first copper base bar 3 is coiled in third and fourth follow-up casting such as grade is identical with the butt-joint method that first copper base bar 3 is coiled in first and second casting, promptly repeats above-mentioned butt-joint working procedure.
When beginning to upset ball, should put into the automatic draw drum 11 of ball upsetting machine to worked copper base bar 9, after worked copper base bar 9 head end are removed burr, pass the pinch roller of automatically synchronous straightener 12, adjust automatically synchronous straightener 12 upper and lower or left and right pinch roller pressure at 100～600KN, straightener 12 aligning feed speeds and cold headers 13 feed speeds are synchronous synchronously automatically.When worked copper base bar 9 flexibility of being aligned are not more than 15mm/m, should adjust and strengthen automatically the pinch roller pressure of straightener 12 synchronously; When by the radius of curvature of the worked copper base bar 9 aligned during less than 50mm (sharp turn), can't by automatically synchronously straightener 12 align, can the continuous synchronization aligning after therefore must manual aligning.
The worked copper base bar of having been aligned 9 passes the pinch roller of cold headers 13, when loose tool 14 extends the long gag lever post of material 16 places, whether the installation site of checking the two hemispheres mould is concentric, and cutting knife, thimble, whether gag lever post 16 parts such as grade are installed correct, determine when errorless, crawl cold headers 13 try the ball of upsetting, check whether the surface appearance of balling-up satisfies the quality technology standard of product, be that degree of skewness is not more than 0.2mm, ball surface insatiable hunger is had one's face covered with to amass and is not more than 5%, the ball band edge is not more than 0.5mm, when ball product degree of skewness exceeds standard-required, should in time adjust the two hemispheres mould about or installation site up and down, until satisfying the quality technology requirement.When the ball surface is not full, should adjust the blank length (promptly adjusting the position of gag lever post 16) of worked copper base bar 9 simultaneously, meet the requirement of ball surface plumpness and ball band edge until the ball product that examination is upset out after, can change the product of serialization production cold-heading ball over to.
When continuous cold-heading ball weight reaches about 2 tons (in batches); to carry out the oil removing and the polishing of ball product in batches; its oil removing process is: the cylinder cover of opening polishing machine 17; one heavy in batches ball product is put into cylinder; add the composite polishing agent again; addition is 3 of ball product weight～10 ‰; NaOH in the composite polishing agent; the ratio of polishing sand and husk is 1: 3: 1; after covering the cylinder cover then; start polishing machine 17 and be rotated polishing; polishing time is looked the gauge ball lattice and is varied in size, and the time can be controlled in 20～50min, after polishing machine 17 is shut down; the cylinder cover is changed into eyelet formula cover; in cylinder, fill with water and carry out prerinse, start polishing machine 17 low speed rotation 3～5min, repeat twice water filling; low speed rotation 3～5min again; open the polishing machine cover after the shutdown, anode copper ball is put into the pallet bucket, promptly finished the oil removing and the polishing operation of anode copper ball product.
After the anode copper ball product is finished oil removing, polishing, need by cleaning drying machine 18 clean, drying operation sticks to the turbid liquid of polishing on the anode copper ball product with further removing, the feed speed of cleaning, drying the anode copper ball product usually varies in size according to the gauge ball lattice and adjusts, its feed speed generally is controlled between 30～70Kg/min by the auto spiral dispenser, when cleaning, drying small dimension product, feed speed is selected near lower limit, when the big specification product of cleaning, drying, feed speed is selected near the upper limit.Clean, dry water temperature and be controlled at 80～100 ℃, cleaning, drying is to carry out in eyelet formula copper or the built-in helicla flute cylinder of stainless steel, the anode copper ball of first part directly sprays heating by adding hot water, and the anode copper ball product in the cylinder is when rotating to the cylinder latter part, under the suction of powerful air exhauster, the temperature of ball product is reduced to below 30 ℃ fast, being transported to station 19 then weighs automatically, enter station 20 at last and pack automatically, promptly finished the overall process of anode copper ball production.
Claims (8)
1, a kind of preparation method of anode copper ball, comprise casting is coiled that first copper base bar strips off the skin, upset after rolling, the drawing, straightening process and make ball, the anode copper ball that the system of upsetting is finished carries out oil removing, polishing, carrying out washing treatment, and described oil removing, glossing are anode copper ball and composite polishing agent to be mixed mutually put into whirligig and be rotated processing; Described washing process comprises prerinse and formal cleaning step, described prerinse is cleaned for thereby water is fed whirligig and starts whirligig antianode copper ball, described formal cleaning is will be through the anode copper ball after the prerinse by heat water-spraying's heated wash, it is characterized in that: described composite polishing agent consist of husk, polishing sand and ground caustic, its ratio is 1: 3: 1, and aforementioned ratio is weight percentage; The addition of described composite polishing agent is 3 of anode copper ball product weight～10 ‰.
2, the preparation method of anode copper ball according to claim 1 is characterized in that: the antianode copper ball is dried after washing, and heating, drying and ventilation drying mode are adopted in oven dry.
3, the preparation method of anode copper ball according to claim 1 is characterized in that: according to the specification of required rammer ball, determine to provide the size of bar base, the bar base size of cold-heading balling-up is directly determined than 1.1～2.0 with reference to bar.
4, the preparation method of anode copper ball according to claim 1 is characterized in that: dispose drawing, rolling operation passage and working modulus according to the working ability of process equipment; Casting is coiled first copper base bar processing passage and is no less than twice, and total working modulus is controlled at and is not less than 20%; Casting is coiled first copper base shank diameter between φ 12～φ 38mm, by drawing, dish unit copper base shank diameter after rolling between φ 8～φ 30mm.
5, the preparation method of anode copper ball according to claim 1 is characterized in that: it is that the slicing mould size is coiled first copper base shank diameter 0.2～0.4mm less than the preceding casting of processing that the operation of the described step that strips off the skin requires.
6, the preparation method of anode copper ball according to claim 1, it is characterized in that: the casting of respectively casting of second dish being coiled the first copper base bar and second dish coils that first copper base bar is coiled in the later casting of first copper base bar and last dish casting is coiled first copper base bar by the knot that is weldingly connected, be specially: first copper base bar afterbody is coiled in last casting and back one casting is coiled first copper base club head and sandwiched automatic butt-welding machine respectively, and first copper base rod end surface is coiled in two castings that are held and bar axially meets at right angles, first copper base bar afterbody is coiled in casting and head end respectively grows the inboard 20mm～30mm of automatic butt-welding machine jaw, after clipping, the casting that high frequency electric source is fed two clamps is coiled on first copper base bar, start butt-welding machine two clamp hydraulic selectors simultaneously, coil first copper base club head by a casting after the side bitting clamp clamping, with pressure is 50～200KN, be not less than 30mm/s moment the translational speed along continuous straight runs and the last casting of the clamp clamping of opposite side coil first copper base bar afterbody and move butt-joint.
7, the preparation method of anode copper ball according to claim 1, it is characterized in that: described aligning specific operation process is: first copper base bar is coiled in processing put into the automatic draw drum unwrapping wire of ball upsetting machine, the base club head is except that the aligning wheel hole of passing synchronous straightener after the deburring, mate synchronously at the axial feed velocity of base bar and the feeding feed speed of ball upsetting machine by setting in advance synchronous straightener, synchronous straightener hydraulic pressure is set simultaneously at 100～600KN, the aligning feed speed is between 40～70mm/s, when starting ball upsetting machine, start continuous synchronization straightener and ball upsetting machine synchronous operation feeding simultaneously, realize processing coil first copper base bar on, following and left, right continuous synchronization aligning.
8, the preparation method of anode copper ball according to claim 1 is characterized in that: by adjusting about the installation site of ball mould is carried out or up and down, regulate the degree of skewness size less than 0.2mm; By control adjust the blank length of institute's rammer ball base bar and base bar working modulus regulate the ball surface not the plumpness area be 3～10% of ball surface area, the endless belt limit of ball is not more than 0.2mm.
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| JP2000054199A (en) * | 1998-07-30 | 2000-02-22 | Mitsubishi Materials Corp | Production of copper or copper alloy ball for plating anode electrode |
| CN1396314A (en) * | 2002-06-26 | 2003-02-12 | 广东南方特种铜材有限公司 | Process for preparing PC anode copper |
| JP2003210816A (en) * | 2002-01-25 | 2003-07-29 | Heiwa Corp | Pachinko ball cleaning device in pachinko ball circulation mechanism |
-
2004
- 2004-11-09 CN CNB2004100521166A patent/CN100425395C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3654655A (en) * | 1970-11-02 | 1972-04-11 | Jack J Mitnick | Machine for cleaning and polishing pool balls |
| JP2000054199A (en) * | 1998-07-30 | 2000-02-22 | Mitsubishi Materials Corp | Production of copper or copper alloy ball for plating anode electrode |
| JP2003210816A (en) * | 2002-01-25 | 2003-07-29 | Heiwa Corp | Pachinko ball cleaning device in pachinko ball circulation mechanism |
| CN1396314A (en) * | 2002-06-26 | 2003-02-12 | 广东南方特种铜材有限公司 | Process for preparing PC anode copper |
Non-Patent Citations (2)
| Title |
|---|
| 镀铜工艺中基础电镀材料的技术发展及进步. 张立伦.印制电路信息，第5期. 2004 |
| 镀铜工艺中基础电镀材料的技术发展及进步. 张立伦.印制电路信息，第5期. 2004 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1603063A (en) | 2005-04-06 |
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Address after: Guangzhou, Guangdong Guangzhou economic and Technological Development Zone, Yonghe District, Luogang District, 9 Yin Jiang Road Patentee after: Nanfang Special Copper Materials Co., Ltd., Guangdong Address before: Zengcheng, Guangdong province Xintang town Wei Shan Metallurgical Industrial Zone special Copper Co Patentee before: Nanfang Special Copper Materials Co., Ltd., Guangdong |
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