CN100479976C - Process of making integral automobile wheel - Google Patents
Process of making integral automobile wheel Download PDFInfo
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- CN100479976C CN100479976C CNB200710067375XA CN200710067375A CN100479976C CN 100479976 C CN100479976 C CN 100479976C CN B200710067375X A CNB200710067375X A CN B200710067375XA CN 200710067375 A CN200710067375 A CN 200710067375A CN 100479976 C CN100479976 C CN 100479976C
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Abstract
The process of making integral automobile wheel includes the steps of: blanking continuously cast steel billet, heating, hot rolling-forging, hot spinning, finishing spinning, common spinning, forming felly, punching central hole and screw holes, punching air port, punching valve hole, turning spokes and finishing. The integral automobile wheel thus made has no weld seam, high strength, light weight and other advantages.
Description
Technical field
The present invention relates to the manufacturing technology of automotive wheel, a kind of process of making integral automobile wheel.
Background technology
Steel wheel is the wheel that is widely used at present on the automobile, particularly on truck.Steel wheel generally is made up of spoke and wheel rim two parts, makes respectively, and then combination, welds together (referring to Fig. 1).Wherein the manufacturing process of spoke forms through operation manufacturings such as blanking, punching, spinning with plate.After the blanking operation, four corners become waste material, account for 21.5% of steel plate, and stock utilization is lower.The manufacturing process of wheel rim is concluded following several scheme: 1, shaped steel steel coil strip/welder's skill; 2, dull and stereotyped steel coil strip/weld/roll technology; 3, seamless steel pipe revolves/rolls technology.The wheel rim of scheme 1 and scheme 2 manufacturings forms with shaped steel or the weldering of band coil of strip, and the weld seam of a perforation is all arranged on the wheel rim.With this wheel that the wheel rim manufacturing of weld seam is arranged, be difficult in the use guarantee that the weld seam on the wheel rim is air tight under frequent alternate stress effect.So this class wheel rim is mainly used in the inner tube-free wheel of underloading automobile or having on the inner tube of a tyre wheel of heavy-load automobile.Process program 3 is to use large-caliber thin-walled weldless (seamless) steel pipe (tube), is spun into the straight tube of unequal section through spinning machine, rolls the formation wheel rim with roll forming machine again.This wheel rim does not have weld seam, no matter in use be heavy duty with the wheel of its manufacturing, still can not leak gas safety, reliable under the alternate stress effect.This wheel rim can be applied on the inner tube-free wheel of high-speed overload haulage vehicle.But make wheel rim with process program 3, need the large-caliber thin-walled weldless (seamless) steel pipe (tube) of high-quality and the roll forming machine of import, production cost is very high.
Summary of the invention
The objective of the invention is to propose a kind of process of making integral automobile wheel, can produce equicohesive integral automobile wheel that does not have weld seam fully with price more cheap raw material and lower cost.
The processing step of this process of making integral automobile wheel comprise continuous casting steel billet blanking, heating, heat roll over forging, hot spinning, smart spinning, general spinning, wheel rim be shaped, towards mesopore and bolt hole, towards the wind hole, valve hole, Vehicle Processing spoke and arranging process.Wherein whole automotive wheel is to be raw material with a continuous casting steel billet, rolles over forging, hot spinning, smart spinning, general rotary pressing processing by above-mentioned heat, becomes the spoke and the wheel rim that fuse.It is on rolling forging machine the blank rolling that heats to be swaged into the thick patty of intermediate thin outer rim at goods that wherein said heat is rolled over the forger preface, the thickness of middle part is slightly thicker than spoke planar thickness, volume ratio spoke position volume is bigger, and the volume at outer rim position and wheel rim position volume equate; Described hot spinning operation comprises hot spinning spoke and hot spinning wheel rim, wherein the hot spinning spoke be on spinning machine with hot patty at the spoke position of goods mould pressing, the hot spinning wheel rim is on spinning machine rotary pressing processing to be carried out at hot outer rim position at goods, on the outer rim position, reserve the material of outer rim part, remainder is spun into the internal diameter barrel-shaped wheel rim position bigger slightly than the bcad seats internal diameter of wheel near the spoke place; Described smart spinning operation is that the cold conditions that will process through last process on spinning machine be carried out the smart mould pressing of outer rim at the material of the outer rim part of goods, and barrel-shaped wheel rim position is spun into the barrel-shaped of variable cross-section by the thickness requirement essence in each cross section, wheel rim position; Described general spinning operation is will be spun into the net shape of wheel rim through the barrel-shaped wheel rim position that the last process essence is spun into again on spinning machine, comprises the shaping of outboard tire bead seat, rim gutter, inboard tire bead seat and inboard wheel rim.
This process of making integral automobile wheel is owing to adopt continuous casting steel billet as raw material, and the prices of raw and semifnished materials are more cheap.The spoke of wheel and wheel rim have been saved with steel plate and have been made the leftover bits that spoke produces with a steel billet, are example with 22.5 " * 8.25 " tubeless steel wheel, can save about 8 kilograms of steel, and material cost reduces greatly.Roll over, revolve in the process in heat, the as-cast structure of continuous casting steel billet is changed into the forging tissue.The rotary pressing processing of carrying out is cold working subsequently, not only can improve the machining accuracy of wheel, and the strength of materials of wheel can be improved about 20 percent.Wheel with this process manufacturing does not have weld seam fully, in use can not produce weld defects such as gas leakage, weld cracking.In addition, because spoke and wheel rim are one, there are not the narrow slit of welding in spoke and wheel rim junction surface, can not produce the Ferrari effect when external coating, and the external coating quality is good.The more important thing is that with the wheel that this process is made, the cross section of each several part can be designed by each cross section actual loading situation, makes stressed big cross section thicker, stressed little cross section is thinner, becomes equal strength wheel truly.In light weight, intensity is high.Not only steel wheel can be made with this process, also the reflectal wheel can be made.
Description of drawings
Fig. 1 is the structure chart of two bodies welding steel automotive wheel;
Fig. 2 is the structure chart of integrated steel automotive wheel;
Fig. 3 is the process of making integral automobile wheel procedure chart.
The specific embodiment
As shown in Figure 1, existing steel wheel generally is made up of spoke 1 and wheel rim 2 two parts, makes respectively, and then makes up, welds together, and 3 is weld seam.The drop center portion branch comprises outer rim 4, outboard tire bead seat 5, straightway 6, rim gutter 7, inboard tire bead seat 8 and inboard wheel rim 9.
As shown in Figure 3, the processing step of this process of making integral automobile wheel comprise that the blanking of (a) continuous casting steel billet, (b) heating, (c) heat are rolled over and forged, the hot spinning operation comprises (d) hot spinning spoke and (e) hot spinning wheel rim, (f) smart spinning outer rim and wheel rim, (g) general spinning wheel rim, (h) wheel rim be shaped, (i) towards mesopore and bolt hole, (j) towards the wind hole, (k) valve hole, comprise (1) Vehicle Processing spoke outline and (m) Vehicle Processing spoke operation, (n) arranging process of Vehicle Processing spoke inner plane.Through (o) external coating and (p) check, promptly become qualified finished wheel again.
Below in conjunction with Fig. 3 each procedure is described in detail:
(a) continuous casting steel billet blanking: continuous casting steel billet is cut into blank with the by volume constant principle of sawing machine;
(b) heating: blank heating is arrived forging temperature with heating furnace;
(c) heat is rolled over and is forged: on rolling forging machine the blank rolling that heats is swaged into the thick patty of intermediate thin outer rim at goods.This patty is slightly thicker than spoke planar thickness at the thickness of the middle part 17 of goods, volume ratio spoke position volume is bigger, and the volume at outer rim position 18 and wheel rim position volume equate;
(d) hot spinning spoke: on spinning machine with hot patty at the spoke position of goods mould pressing;
(e) hot spinning wheel rim: on spinning machine, rotary pressing processing is carried out at hot outer rim position at goods, on the outer rim position, reserve the material 19 of outer rim part, all the other partly are spun into the internal diameter barrel-shaped wheel rim position 20 bigger slightly than the bcad seats internal diameter of wheel near the spoke place;
(f) smart spinning outer rim and wheel rim: the cold conditions that will process through last process on spinning machine be carried out the smart mould pressing of outer rim at the material 19 of the outer rim part of goods, and barrel-shaped wheel rim position 20 is spun into the barrel-shaped of variable cross-section by the thickness requirement essence in each cross section, wheel rim position;
(g) general spinning roller rim: on spinning machine, will be spun into the net shape of wheel rim again, and comprise the shaping of outboard tire bead seat 5, straightway 6, rim gutter 7, inboard tire bead seat 8 and inboard wheel rim 9 through the barrel-shaped wheel rim position that the last process essence is spun into;
(h) wheel rim is shaped: on spinning machine with the circular shape rolling forming of outer rim and inboard wheel rim;
(i) towards mesopore and bolt hole: on forcing press, the mesopore 14 and the bolt hole 13 at spoke position are gone out;
(j) towards the wind hole: on forcing press, the wind hole 15 at spoke position is gone out;
(k) valve hole: on forcing press, the valve port 12 at wheel rim position is gone out;
(l) Vehicle Processing spoke outline: Vehicle Processing spoke outline and two ends wheel rim on lathe, improve precision, beautify profile;
(m) Vehicle Processing spoke inner plane: Vehicle Processing spoke inner plane on lathe, improve the Plane Installation precision;
(n) arrangement: polishing, remove the burr on the wheel;
(o) external coating: the wheel surface application, antirust;
(p) inspection eventually, packing: wheel is carried out final inspection and packing.
Wherein, (c), (d), (e) heat rolles over and forge and the hot spinning three process can be processed on two kinds of three lathes, also can go up and process one " machining center is revolved in rolling "; (f) and (g) two procedures can be processed on general spinning machine, also can process on special purpose machine tool.
Through above operation, promptly finished the integral automobile wheel manufacturing operation, be made into integrated steel automotive wheel shown in Figure 2.10 is the curved section of spoke part among the figure, and 11 is the mounting plane of spoke part, and 13 is bolt hole, and 14 is mesopore, and 15 is the wind hole, and 16 is the joint portion of spoke part and wheel rim part.This integral automobile wheel does not have weld seam fully, and spoke is connected with wheel rim smoothly, and the cross section of each several part changes by each cross section actual loading situation, is a kind of real equal strength wheel, and is in light weight, intensity is high.As the inner tube-free wheel of high-speed overload haulage vehicle, safe and reliable, and can save oil consumption.
Claims (1)
1, a kind of process of making integral automobile wheel, comprise the continuous casting steel billet blanking, heating, heat is rolled over and is forged, hot spinning, smart spinning, general spinning, wheel rim is shaped, towards mesopore and bolt hole, towards the wind hole, valve hole, Vehicle Processing spoke and arranging process, it is characterized in that continuous casting steel billet of whole used for automobile wheels is a raw material, roll over forging by described heat, hot spinning, smart spinning, general rotary pressing processing, become the spoke and the wheel rim that fuse, it is on rolling forging machine the blank rolling that heats to be swaged into the thick patty of intermediate thin outer rim at goods that wherein said heat is rolled over the forger preface, the thickness of middle part (17) is slightly thicker than spoke planar thickness, volume ratio spoke position volume is bigger, and the volume of outer rim position (18) and wheel rim position volume equate; Described hot spinning operation comprises hot spinning spoke and hot spinning wheel rim, wherein the hot spinning spoke be on spinning machine with hot patty at the spoke position of goods mould pressing, the hot spinning wheel rim is on spinning machine rotary pressing processing to be carried out at hot outer rim position (18) at goods, on the outer rim position, reserve the material (19) of outer rim part, remainder is spun into the internal diameter barrel-shaped wheel rim position (20) bigger slightly than the bcad seats internal diameter of wheel near the spoke place; Described smart spinning operation is that the cold conditions that will process through last process on spinning machine be carried out the smart mould pressing of outer rim at the material (19) of the outer rim part of goods, and barrel-shaped wheel rim position (20) is spun into the barrel-shaped of variable cross-section by the thickness requirement essence in each cross section, wheel rim position; Described general spinning operation is will be spun into the net shape of wheel rim through the barrel-shaped wheel rim position that the last process essence is spun into again on spinning machine, comprises the shaping of outboard tire bead seat, rim gutter, inboard tire bead seat and inboard wheel rim.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200710067375XA CN100479976C (en) | 2007-02-14 | 2007-02-14 | Process of making integral automobile wheel |
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| CNB200710067375XA CN100479976C (en) | 2007-02-14 | 2007-02-14 | Process of making integral automobile wheel |
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| CN101020286A CN101020286A (en) | 2007-08-22 |
| CN100479976C true CN100479976C (en) | 2009-04-22 |
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| CNB200710067375XA Expired - Fee Related CN100479976C (en) | 2007-02-14 | 2007-02-14 | Process of making integral automobile wheel |
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Cited By (2)
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| CN101966546A (en) * | 2010-09-19 | 2011-02-09 | 正兴车轮集团有限公司 | Manufacturing method of steel tubeless wheels for vehicles |
| CN103128509A (en) * | 2013-03-14 | 2013-06-05 | 博爱县月山汽车配件有限公司 | Production process of integral type automobile steel rim |
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2007
- 2007-02-14 CN CNB200710067375XA patent/CN100479976C/en not_active Expired - Fee Related
Cited By (3)
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| CN101966546A (en) * | 2010-09-19 | 2011-02-09 | 正兴车轮集团有限公司 | Manufacturing method of steel tubeless wheels for vehicles |
| CN103128509A (en) * | 2013-03-14 | 2013-06-05 | 博爱县月山汽车配件有限公司 | Production process of integral type automobile steel rim |
| CN103128509B (en) * | 2013-03-14 | 2015-09-30 | 博爱县月山汽车配件有限公司 | A kind of integral automobile steel ring production technology |
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| CN101020286A (en) | 2007-08-22 |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee |
Owner name: JIAXING STONE WHEEL CO., LTD. Free format text: FORMER NAME: SITONG WHEEL MAKING CO., LTD., JIAXING |
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| CP03 | Change of name, title or address |
Address after: 314050 No. 528, Jiao Lu, Jiaxing Industrial Park, Nanhu Town, Nanhu District, Zhejiang, Jiaxing Patentee after: Jiaxing Stone Wheel Co., Ltd. Address before: Jiaxing City, Zhejiang province 314001 Furun Nanhu District East Gate Road Economic Development Zone No. 118 Patentee before: Sitong Wheel Making Co., Ltd., Jiaxing |
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