CN105665610A - Forging method for magnesium-alloy automobile hub - Google Patents
Forging method for magnesium-alloy automobile hub Download PDFInfo
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- CN105665610A CN105665610A CN201610085921.1A CN201610085921A CN105665610A CN 105665610 A CN105665610 A CN 105665610A CN 201610085921 A CN201610085921 A CN 201610085921A CN 105665610 A CN105665610 A CN 105665610A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/40—Making machine elements wheels; discs hubs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
- B21J13/03—Die mountings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J17/00—Forge furnaces
- B21J17/02—Forge furnaces electrically heated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K29/00—Arrangements for heating or cooling during processing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Forging (AREA)
Abstract
The invention relates to the forging field, and aims to provide a forging method for a magnesium-alloy automobile hub. The forging method for the magnesium-alloy automobile hub comprises the following steps: step I, heating a magnesium alloy rod in a heating furnace; step II, pre-forging the magnesium alloy rod; step III, carrying out pre-profiling forging on disc-shaped blank; step IV, carrying out fine-profiling forging on a pre-profiled hub; step V, carrying out fine-shaping forging on a fine-profiled hub; step VI, transferring the fine-shaped hub to a transfer table for heating through a position transfer device, wherein a heating temperature is controlled to 320 DEG C to 450 DEG C; and step VII, carrying out rim extrusion sizing on the fine-shaped hub. The forging method for the magnesium-alloy automobile hub is relatively high in production efficiency; and the magnesium-alloy automobile hub is compact in texture, is uniform in component, and is relatively high in mechanical strength.
Description
Technical field
The present invention relates to forging field, especially a kind of magnesium alloy auto hub forging method.
Background technology
Magnesium alloy materials have lightweight, specific strength is high, elastic modelling quantity is good, shock-absorbing vibration damping is good, the feature that can all recycle, adopting magnesium alloy materials to manufacture automotive hub is the boss material of the best after aluminum alloy materials, the handling of automobile, acceleration and braking ability and energy fuel-efficient 10% to 14% can be improved; The coarse grains of magnesium alloy materials and lattice are hexagonal square arrangement, and the degree of crystal grain dislocation movement by slip at normal temperatures is very low, it is difficult to plastic deformation; When pyroplastic deformability, deformation temperature change scope is narrower, and requires very sensitive to the control of rate of deformation, deformation velocity; Magnesium alloy auto hub is produced with traditional moulding process, the low pressure casting method of Shanghai Communications University's light-alloy institute, and for example forge two step method after the first casting of Northcentral University, although production efficiency is higher, but there is the deficiency that magnesium alloy auto hub tissue is fine and close not and composition is uniform not, mechanical strength is relatively low; Therefore, a kind of production efficiency of design is higher, and magnesium alloy auto hub dense structure and uniform ingredients, magnesium alloy auto hub forging method that mechanical strength is higher, becomes problem demanding prompt solution.
Summary of the invention
The invention aims to overcome and produce magnesium alloy auto hub with traditional moulding process at present, although production efficiency is higher, but there is the deficiency that magnesium alloy auto hub tissue is fine and close not and composition is uniform not, mechanical strength is relatively low, there is provided a kind of production efficiency higher, and magnesium alloy auto hub dense structure and uniform ingredients, magnesium alloy auto hub forging method that mechanical strength is higher.
The concrete technical scheme of the present invention is:
A kind of magnesium alloy auto hub forging method, step one, magnesium alloy bar is heated in heating furnace, heating and temperature control is at 320 DEG C to 450 DEG C; Step 2, carries out blocking to magnesium alloy bar, is taken out by magnesium alloy bar and insert in blocker by turn device from heating furnace, starts first hydrostatic forging machine and magnesium alloy bar is swaged into plate-like blank; Step 3, carries out pre-profiling forging to plate-like blank, is inserted in pre-profiling mould by turn device by plate-like blank and heats, and heating and temperature control, at 320 DEG C to 450 DEG C, starts second hydrostatic forging machine and plate-like blank is swaged into pre-profiling wheel hub; Step 4, carries out precisive shaped forging to pre-profiling wheel hub, is inserted in precisive shaped mould by turn device by pre-profiling wheel hub and heats, and heating and temperature control, at 320 DEG C to 450 DEG C, starts the 3rd hydrostatic forging machine and pre-profiling wheel hub is swaged into precisive shaped wheel hub;Step 5, carries out finishing swaged forging to precisive shaped wheel hub, is inserted in finishing pattern by turn device by precisive shaped wheel hub and heats, and heating and temperature control, at 320 DEG C to 450 DEG C, starts the 4th hydrostatic forging machine and precisive shaped wheel hub is swaged into finishing type wheel hub; Step 6, finishing type wheel hub inserts to through position's heating by turn device, and heating and temperature control is at 320 DEG C to 450 DEG C; Step 7, carries out wheel rim to finishing type wheel hub and is extruded to shape, and by turn device, finishing type wheel hub is inserted to the enterprising road wheel rim of magnesium alloy auto hub shaped device and has been extruded to shape the forging of magnesium alloy auto hub. The structure of magnesium alloy auto hub shaped device can obtain understanding from a kind of magnesium alloy auto hub shaped device of the disclosure of the invention of China Patent No. CN201510125098.8 and moulding process; This magnesium alloy auto hub forging method, finishing type wheel hub is heated by forging process by magnesium alloy bar, pre-profiling mould by plate-like blank, precisive shaped mould by pre-profiling wheel hub, finishing pattern by precisive shaped wheel hub and through position by heating furnace, and carry out transposition by multiple turn devices, shorten forging time, production efficiency is higher, and magnesium alloy auto hub dense structure and uniform ingredients, mechanical strength are higher.
As preferably, described in step 3, plate-like blank is carried out pre-profiling forging, including pre-profiling wheel hub vertically hung scroll, mounting disc, wheel hub upper surface and pre-profiling wheel rim; Described in step 4, pre-profiling wheel hub blank is carried out precisive shaped forging, position hole, precisive shaped wheel rim including finish forge wheel hub vertically hung scroll, mounting disc and hub centre; Described in step 5, precisive shaped wheel hub blank is carried out finishing swaged forging, position the fine in hole, the smart Shape correction of wheel hub profile, the burr waste material that excision precisive shaped wheel hub blank is left over including hub centre. By step 2, step 3, step 4 and step 5 small deformation amount multi-step forging, finishing type wheel hub is carried out wheel rim and is extruded to shape by step 7, meets the magnesium alloy auto hub forging control to rate of deformation, deformation velocity and requires very sensitive requirement.
As preferably, described heating furnace is constant temperature and pressure continuous tunnel furnace. Magnesium alloy bar is made to be heated evenly, it is to avoid to produce in burning or exterior-heat cold.
As preferably, described precisive shaped mould includes: be provided with the dynamic model of profile, it is provided with the cover half of lower profile, two opposite faces are respectively equipped with semicircle side profile and the side form being respectively slidably connected by least one guide rail and cover half, two side form oil cylinders, constant temperature heating device, Lifting Device and discharging device; The piston rod of two side form oil cylinders and two side forms connect one to one. Blocker, pre-profiling mould are identical with precisive shaped mould with the structure of finishing pattern; Pre-profiling mould passes through constant temperature heating device heated at constant temperature, makes pre-profiling wheel hub precisive shaped wheel hub dense structure after the forging of design temperature scope precisive shaped, precisive shaped forging and uniform ingredients; Side form moves convenient, flexible under side form oil cylinder drives.
As preferably, described Lifting Device includes: the jogger hole that the supporting counterbore that cover half is provided with connects with supporting counterbore with upper end, is arranged in the push rod of jogger hole, is arranged in supporting counterbore and the top being connected with push rod upper end, liftout oil cylinder; The piston rod of liftout oil cylinder is connected with push rod lower end. Lifting Device make precisive shaped forging after precisive shaped wheel hub conveniently eject and be beneficial to indexing apparatus and grab and take.
As preferably, described discharging device includes: be located at the material returned hole in dynamic model, is arranged in the material returned bar in material returned hole, material returned oil cylinder; The piston rod of material returned oil cylinder is connected with material returned bar upper end. Discharging device make precisive shaped forging after precisive shaped wheel hub conveniently eject and be beneficial to indexing apparatus and grab and take.
As preferably, described constant temperature heating device includes: be located at the electric heater in cover half, is provided with the temperature controller of the thermocouple measured in end insertion cover half, is coated on the thermal insulation layer of cover half gusset.Constant temperature heating device is simple and practical, and thermal insulation layer improves heat insulation effect and safety.
As preferably, described turn device is be provided with the robot of gas pawl or be provided with the mechanical hand of gas pawl; The pawl foot of gas pawl is provided with thermal insulation layer. General part, transposition is convenient and practical; Thermal insulation layer improves heat insulation effect and safety.
As preferably, described through position includes: stage body, is located at the electric heater in stage body, is provided with the temperature controller of the thermocouple measured in end insertion stage body, is coated on the thermal insulation layer of stage body gusset. Through position is simple and practical.
As preferably, described hydrostatic forging machine is provided with deformation velocity and rate of deformation controls system. Can the better deflection in controlled forge process process. The establishing method of deformation velocity and rate of deformation can obtain understanding from the establishing method of a kind of high-temperature alloy forging hydraulic press strain rate of the disclosure of the invention of China Patent No. CN201110279996.0.
Compared with prior art, the invention has the beneficial effects as follows: this magnesium alloy auto hub forging method, finishing type wheel hub is heated by forging process by magnesium alloy bar, pre-profiling mould by plate-like blank, precisive shaped mould by pre-profiling wheel hub, finishing pattern by precisive shaped wheel hub and through position by heating furnace, and carry out transposition by multiple turn devices, shorten forging time, production efficiency is higher, and magnesium alloy auto hub dense structure and uniform ingredients, mechanical strength are higher. By step 2, step 3, step 4 and step 5 small deformation amount multi-step forging, finishing type wheel hub is carried out wheel rim and is extruded to shape by step 7, meets the magnesium alloy auto hub forging control to rate of deformation, deformation velocity and requires very sensitive requirement. Heating furnace is constant temperature and pressure continuous tunnel furnace, makes magnesium alloy bar be heated evenly, it is to avoid produce in burning or exterior-heat cold. Precisive shaped mould passes through constant temperature heating device heated at constant temperature, makes pre-profiling wheel hub precisive shaped wheel hub dense structure after the forging of design temperature scope precisive shaped, precisive shaped forging and uniform ingredients; Side form moves convenient, flexible under side form oil cylinder drives. Lifting Device and discharging device make precisive shaped forging after precisive shaped wheel hub conveniently eject and be beneficial to indexing apparatus and grab and take. Turn device is be provided with the robot of gas pawl or be provided with the mechanical hand of gas pawl, and the pawl foot of gas pawl is provided with thermal insulation layer, general part, and transposition is convenient and practical; Thermal insulation layer improves heat insulation effect and safety. Through position is simple and practical. Hydrostatic forging machine is provided with deformation velocity and rate of deformation controls system. Can the better deflection in controlled forge process process.
Accompanying drawing explanation
Fig. 1 is the substep structural representation of the magnesium alloy auto hub that plate-like blank, pre-profiling wheel hub, precisive shaped wheel hub, finishing type wheel hub and wheel rim have been extruded to shape;
Fig. 2 is the outline drawing of magnesium alloy auto hub;
Fig. 3 is the structural representation of pre-profiling mould;
The structural representation of Tu4Shi through position.
In figure: plate-like blank 1, pre-profiling wheel hub 2, precisive shaped wheel hub 3, finishing type wheel hub 4, magnesium alloy auto hub 5, wheel hub vertically hung scroll 6, mounting disc 7, wheel rim 8, hole 9, hub centre location, upper profile 10, dynamic model 11, lower profile 12, cover half 13, semicircle side profile 14, guide rail 15, side form 16, side form oil cylinder 17, supporting counterbore 18, jogger hole 19, push rod 20, top 21, liftout oil cylinder 22, material returned hole 23, material returned bar 24, material returned oil cylinder 25, electric heater 26, thermocouple 27, temperature controller 28, thermal insulation layer 29, stage body 30.
Detailed description of the invention
Below in conjunction with shown in accompanying drawing, the present invention is described further.
As shown in Figure 1: a kind of magnesium alloy auto hub forging method, step one, being heated by magnesium alloy bar in heating furnace, heating and temperature control is at 390 DEG C to 420 DEG C; Step 2, carries out blocking to magnesium alloy bar, is taken out by magnesium alloy bar and insert in blocker by turn device from heating furnace, starts first hydrostatic forging machine and magnesium alloy bar is swaged into plate-like blank 1; Step 3, carries out pre-profiling forging to plate-like blank, is inserted in pre-profiling mould by turn device by plate-like blank and heats, and heating and temperature control, at 390 DEG C to 420 DEG C, starts second hydrostatic forging machine and plate-like blank is swaged into pre-profiling wheel hub 2; Step 4, carries out precisive shaped forging to pre-profiling wheel hub, is inserted in precisive shaped mould by turn device by pre-profiling wheel hub and heats, and heating and temperature control, at 390 DEG C to 420 DEG C, starts the 3rd hydrostatic forging machine and pre-profiling wheel hub is swaged into precisive shaped wheel hub 3; Step 5, carries out finishing swaged forging to precisive shaped wheel hub, is inserted in finishing pattern by turn device by precisive shaped wheel hub and heats, and heating and temperature control, at 390 DEG C to 420 DEG C, starts the 4th hydrostatic forging machine and precisive shaped wheel hub is swaged into finishing type wheel hub 4; Step 6, finishing type wheel hub inserts to through position's heating by turn device, and heating and temperature control is at 390 DEG C to 420 DEG C; Step 7, carries out wheel rim to finishing type wheel hub and is extruded to shape, and by turn device, finishing type wheel hub is inserted to the enterprising road wheel rim of magnesium alloy auto hub shaped device and has been extruded to shape the forging of magnesium alloy auto hub 5.
Described in step 3, plate-like blank is carried out pre-profiling forging, including pre-profiling wheel hub vertically hung scroll 6, mounting disc 7, wheel hub upper surface and pre-profiling wheel rim 8; Described in step 4, pre-profiling wheel hub blank is carried out precisive shaped forging, position hole 9, precisive shaped wheel rim including finish forge wheel hub vertically hung scroll, mounting disc and hub centre; Described in step 5, precisive shaped wheel hub blank is carried out finishing swaged forging, position the fine in hole, the smart Shape correction of wheel hub profile, the burr waste material that excision precisive shaped wheel hub blank is left over including hub centre.
Described heating furnace is constant temperature and pressure continuous tunnel furnace.
Described precisive shaped mould includes: be provided with the dynamic model 11 of profile 10, it is provided with the cover half 13 of lower profile 12, two opposite faces are respectively equipped with semicircle side profile 14 and the side form 16 being respectively slidably connected by two guide rails 15 and cover half, two side form oil cylinders 17, constant temperature heating device, Lifting Device and discharging device; The piston rod of two side form oil cylinders and two side forms connect one to one. Blocker, pre-profiling mould are identical with precisive shaped mould with the structure of finishing pattern.
Described Lifting Device includes: the jogger hole 19 that the supporting counterbore 18 that cover half is provided with connects with supporting counterbore with upper end, is arranged in the push rod 20 of jogger hole, is arranged in supporting counterbore and the top 21 being connected with push rod upper end, liftout oil cylinder 22; The piston rod of liftout oil cylinder is connected with push rod lower end.
Described discharging device includes: be located at the material returned hole 23 in dynamic model, is arranged in the material returned bar 24 in material returned hole, material returned oil cylinder 25; The piston rod of material returned oil cylinder is connected with material returned bar upper end.
Described constant temperature heating device includes: be located at the electric heater 26 in cover half, is provided with the temperature controller 28 of the thermocouple 27 measured in end insertion cover half, is coated on the thermal insulation layer 29 of cover half gusset.
Described turn device is be provided with the robot of gas pawl or be provided with the mechanical hand of gas pawl; The pawl foot of gas pawl is provided with thermal insulation layer.
Described through position includes: stage body 30, is located at the electric heater in stage body, is provided with the temperature controller of the thermocouple measured in end insertion stage body, is coated on the thermal insulation layer of stage body gusset.
Described hydrostatic forging machine is provided with deformation velocity and rate of deformation controls system.
The invention has the beneficial effects as follows: this magnesium alloy auto hub forging method, finishing type wheel hub is heated by forging process by magnesium alloy bar, pre-profiling mould by plate-like blank, precisive shaped mould by pre-profiling wheel hub, finishing pattern by precisive shaped wheel hub and through position by heating furnace, and carry out transposition by multiple turn devices, shorten forging time, production efficiency is higher, and magnesium alloy auto hub dense structure and uniform ingredients, mechanical strength are higher. By step 2, step 3, step 4 and step 5 small deformation amount multi-step forging, finishing type wheel hub is carried out wheel rim and is extruded to shape by step 7, meets the magnesium alloy auto hub forging control to rate of deformation, deformation velocity and requires very sensitive requirement. Heating furnace is constant temperature and pressure continuous tunnel furnace, makes magnesium alloy bar be heated evenly, it is to avoid produce in burning or exterior-heat cold. Precisive shaped mould passes through constant temperature heating device heated at constant temperature, makes pre-profiling wheel hub precisive shaped wheel hub dense structure after the forging of design temperature scope precisive shaped, precisive shaped forging and uniform ingredients; Side form moves convenient, flexible under side form oil cylinder drives. Lifting Device and discharging device make precisive shaped forging after precisive shaped wheel hub conveniently eject and be beneficial to indexing apparatus and grab and take. Turn device is be provided with the robot of gas pawl or be provided with the mechanical hand of gas pawl, and the pawl foot of gas pawl is provided with thermal insulation layer, general part, and transposition is convenient and practical; Thermal insulation layer improves heat insulation effect and safety. Through position is simple and practical. Hydrostatic forging machine is provided with deformation velocity and rate of deformation controls system. Can the better deflection in controlled forge process process.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not regarded as a departure from the scope of the present invention. All such apparent amendments of the technical staff to described field, are included within the scope of present claims.
Claims (10)
1. a magnesium alloy auto hub forging method, is characterized in that, step one, is heated by magnesium alloy bar in heating furnace, and heating and temperature control is at 320 DEG C to 450 DEG C; Step 2, carries out blocking to magnesium alloy bar, is taken out by magnesium alloy bar and insert in blocker by turn device from heating furnace, starts first hydrostatic forging machine and magnesium alloy bar is swaged into plate-like blank; Step 3, carries out pre-profiling forging to plate-like blank, is inserted in pre-profiling mould by turn device by plate-like blank and heats, and heating and temperature control, at 320 DEG C to 450 DEG C, starts second hydrostatic forging machine and plate-like blank is swaged into pre-profiling wheel hub; Step 4, carries out precisive shaped forging to pre-profiling wheel hub, is inserted in precisive shaped mould by turn device by pre-profiling wheel hub and heats, and heating and temperature control, at 320 DEG C to 450 DEG C, starts the 3rd hydrostatic forging machine and pre-profiling wheel hub is swaged into precisive shaped wheel hub; Step 5, carries out finishing swaged forging to precisive shaped wheel hub, is inserted in finishing pattern by turn device by precisive shaped wheel hub and heats, and heating and temperature control, at 320 DEG C to 450 DEG C, starts the 4th hydrostatic forging machine and precisive shaped wheel hub is swaged into finishing type wheel hub; Step 6, finishing type wheel hub inserts to through position's heating by turn device, and heating and temperature control is at 320 DEG C to 450 DEG C;Step 7, carries out wheel rim to finishing type wheel hub and is extruded to shape, and by turn device, finishing type wheel hub is inserted to the enterprising road wheel rim of magnesium alloy auto hub shaped device and has been extruded to shape the forging of magnesium alloy auto hub.
2. magnesium alloy auto hub forging method according to claim 1, is characterized in that, described in step 3, plate-like blank is carried out pre-profiling forging, including pre-profiling wheel hub vertically hung scroll, mounting disc, wheel hub upper surface and pre-profiling wheel rim; Described in step 4, pre-profiling wheel hub blank is carried out precisive shaped forging, position hole, precisive shaped wheel rim including finish forge wheel hub vertically hung scroll, mounting disc and hub centre; Described in step 5, precisive shaped wheel hub blank is carried out finishing swaged forging, position the fine in hole, the smart Shape correction of wheel hub profile, the burr waste material that excision precisive shaped wheel hub blank is left over including hub centre.
3. magnesium alloy auto hub forging method according to claim 1 and 2, is characterized in that, described heating furnace is constant temperature and pressure continuous tunnel furnace.
4. magnesium alloy auto hub forging method according to claim 1 and 2, it is characterized in that, described precisive shaped mould includes: be provided with the dynamic model of profile, it is provided with the cover half of lower profile, two opposite faces are respectively equipped with semicircle side profile and the side form being respectively slidably connected by least one guide rail and cover half, two side form oil cylinders, constant temperature heating device, Lifting Device and discharging device; The piston rod of two side form oil cylinders and two side forms connect one to one.
5. magnesium alloy auto hub forging method according to claim 4, it is characterized in that, described Lifting Device includes: the jogger hole that the supporting counterbore that cover half is provided with connects with supporting counterbore with upper end, it is arranged in the push rod of jogger hole, it is arranged in supporting counterbore and the top being connected with push rod upper end, liftout oil cylinder; The piston rod of liftout oil cylinder is connected with push rod lower end.
6. magnesium alloy auto hub forging method according to claim 5, is characterized in that, described discharging device includes: be located at the material returned hole in dynamic model, is arranged in the material returned bar in material returned hole, material returned oil cylinder; The piston rod of material returned oil cylinder is connected with material returned bar upper end.
7. magnesium alloy auto hub forging method according to claim 5, it is characterized in that, described constant temperature heating device includes: be located at the electric heater in cover half, is provided with the temperature controller of the thermocouple measured in end insertion cover half, is coated on the thermal insulation layer of cover half gusset.
8. magnesium alloy auto hub forging method according to claim 5, is characterized in that, described turn device is be provided with the robot of gas pawl or be provided with the mechanical hand of gas pawl; The pawl foot of gas pawl is provided with thermal insulation layer.
9. magnesium alloy auto hub forging method according to claim 1 and 2, it is characterized in that, described through position includes: stage body, is located at the electric heater in stage body, it is provided with the temperature controller of the thermocouple measured in end insertion stage body, is coated on the thermal insulation layer of stage body gusset.
10. magnesium alloy auto hub forging method according to claim 1 and 2, is characterized in that, described hydrostatic forging machine is provided with deformation velocity and rate of deformation controls system.
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Cited By (8)
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CN107598066A (en) * | 2017-09-27 | 2018-01-19 | 仝仲盛 | Backward extrusion die forging method for magnesium alloy hub |
CN107617715A (en) * | 2016-07-15 | 2018-01-23 | 万向钱潮股份有限公司 | Close forging technology in automotive hub outer ring |
CN107745063A (en) * | 2017-12-06 | 2018-03-02 | 西南铝业(集团)有限责任公司 | A kind of contour forging technique of aircraft wheel hub |
CN108655315A (en) * | 2018-03-30 | 2018-10-16 | 天津市天锻压力机有限公司 | The production technology of magnesium alloy vehicle wheel automatic production line |
CN110842128A (en) * | 2019-12-18 | 2020-02-28 | 天津智威泰克成形技术有限公司 | Hub direct forging die and forging process thereof |
CN113560482A (en) * | 2021-06-29 | 2021-10-29 | 中信戴卡股份有限公司 | Manufacturing method of magnesium alloy hub |
CN113843385A (en) * | 2021-09-03 | 2021-12-28 | 中信戴卡股份有限公司 | Forging process of magnesium alloy hub |
CN114558973A (en) * | 2022-01-10 | 2022-05-31 | 淄博国创中心先进车用材料技术创新中心 | Differential temperature magnesium alloy wheel hub forming die |
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CN113560482A (en) * | 2021-06-29 | 2021-10-29 | 中信戴卡股份有限公司 | Manufacturing method of magnesium alloy hub |
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