CN105936984B - A kind of car hub - Google Patents

A kind of car hub Download PDF

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Publication number
CN105936984B
CN105936984B CN201610477020.7A CN201610477020A CN105936984B CN 105936984 B CN105936984 B CN 105936984B CN 201610477020 A CN201610477020 A CN 201610477020A CN 105936984 B CN105936984 B CN 105936984B
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CN
China
Prior art keywords
nickel
spoke
afterwards
nickel alloy
wheel rim
Prior art date
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CN201610477020.7A
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Chinese (zh)
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CN105936984A (en
Inventor
金伟强
夏俊韬
金伟邦
陈文明
周辉
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JINHUA HENGLI VEHICLE INDUSTRY CO., LTD.
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JINHUA HENGLI VEHICLE INDUSTRY Co Ltd
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Priority to CN201610477020.7A priority Critical patent/CN105936984B/en
Priority to CN201710370759.2A priority patent/CN107539014B/en
Publication of CN105936984A publication Critical patent/CN105936984A/en
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/05—Alloys based on copper with manganese as the next major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B1/00—Spoked wheels; Spokes thereof
    • B60B1/06—Wheels with compression spokes
    • B60B1/14—Attaching spokes to rim or hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/10—Disc wheels, i.e. wheels with load-supporting disc body apertured to simulate spoked wheels
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C25D5/50—After-treatment of electroplated surfaces by heat-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/20—Shaping
    • B60B2310/202—Shaping by casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/20—Shaping
    • B60B2310/204—Shaping by moulding, e.g. injection moulding, i.e. casting of plastics material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/20—Shaping
    • B60B2310/208—Shaping by forging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/20—Shaping
    • B60B2310/214—Shaping by extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/60—Surface treatment; After treatment
    • B60B2310/621—Electro-chemical processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2360/00—Materials; Physical forms thereof
    • B60B2360/10—Metallic materials
    • B60B2360/109—Bronze
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/10—Reduction of
    • B60B2900/111—Weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/10—Reduction of
    • B60B2900/113—Production or maintenance time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/30—Increase in
    • B60B2900/311—Rigidity or stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/30—Increase in
    • B60B2900/321—Lifetime
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/50—Improvement of
    • B60B2900/513—Cooling, e.g. of brakes

Abstract

A kind of car hub, including detachable copper alloy spoke and nickel alloy wheel rim, the spoke includes a plurality of in the equally distributed spoke of radiation diverging, spoke centre is provided with centre bore, multiple mounting holes are evenly distributed with around centre bore, the outer end of spoke removably connects wheel rim end face outside, and rim surface is coated with electroless nickel layer, and wheel hub of the present invention to repair using detachable copper alloy spoke and nickel alloy wheel rim changes simplicity；Spoke ensures the intensity of wheel hub and lighter weight using copper alloy, and higher by the hot moulding accuracy of manufacture twice, the deformation in high-speed rotation is small, mitigates tire drag, so as to reduce oil consumption.

Description

A kind of car hub
Technical field
The present invention relates to a kind of car hub, belongs to car wheel component technology field.
Background technology
Car hub is an important component of car parts, is the position of wheel center installation axletree, is to connect The important spare part of brake disc, wheel disc and semiaxis is connect, car hub is high-speed cruising at work, so to the strong of wheel hub Degree etc. has a very high requirement, and existing wheel hub uses vertical bar spoke mostly, is that installation strength is poor the shortcomings that vertical bar spoke, into This is higher.
The content of the invention
A kind of car hub, including detachable copper alloy spoke and nickel alloy wheel rim, it is in spoke that the spoke, which includes a plurality of, The equally distributed spoke of diverging is penetrated, spoke centre is provided with centre bore, multiple mounting holes are evenly distributed with around centre bore, spoke Outer end removably connects wheel rim end face outside, and rim surface is coated with electroless nickel layer,
Copper alloy spoke element mass percent forms：Mn 8-9 ﹪, Co 5-6 ﹪, Zn 2-3 ﹪, Bi 0.8- 0.9 ﹪, V 0.5-0.6 ﹪, Ti 0.3-0.4 ﹪, Al 0.2-0.3 ﹪, In 0.06-0.07 ﹪, Ga 0.08-0.09 ﹪, W 0.04-0.05 ﹪, Nb 0.04-0.05 ﹪, surplus Cu, copper alloy are melted, be incubated 20 minutes, rear mold preheating；Carry out Casting, spoke crude green body is formed, at about 520-530 DEG C after casting, is incubated 1 hour, centre bore and mounting hole are processed after cooling, Workpiece heat to about 790-800 DEG C insulation is quenched for 15 minutes afterwards afterwards, workpiece is reheated to 420-430 DEG C, insulation 2 Hour,
Nickel alloy wheel rim element mass percent forms：Mn 4-5 ﹪, Co 3-4 ﹪, Nb 1-2 ﹪, Mo 0.7- 0.8 ﹪, Mg 0.4-0.5 ﹪, Si 0.3-0.4 ﹪, Zr 0.2-0.3 ﹪, Bi 0.07-0.08 ﹪, Cd 0.05-0.06 ﹪, C 0.04-0.05 ﹪, Ti 0.02-0.03 ﹪, surplus Ni, nickel alloy needed for nickel alloy wheel rim is stocked up, by nickel alloy material base 1100-1110 DEG C is heated to forge under 600 tons of forging press；Afterwards temperature control 980-990 DEG C insulation 15 minutes it is laggard Row extruding, afterwards at 790-800 DEG C, 2 hours are incubated, is put on belling press and carries out enlarging, carried out afterwards on spinning machine Rotary pressing processing, the first passage spinning temperature are maintained at 950-960 DEG C；The speed of mainshaft is up to 2.5 turns/s, feed ratio 0.7mm/r, and second Passage spinning temperature is maintained at 900-910 DEG C；The speed of mainshaft is up to 1.9 turns/s, feed ratio 0.9mm/r, the 3rd passage spinning temperature It is maintained at 830-840 DEG C；The speed of mainshaft is being electroplated up to 1.4 turns/s, feed ratio 1.2mm/r after being pre-processed afterwards to rim surface Electronickelling, electro-nickel process are carried out in nickel liquid：It is 30 DEG C, current density 3A/dm2, electroplating time 90min to control temperature, Electronickelling liquid forms：Solvent is water, nickel sulfate 20-30g/L, nickel nitrate 10-20g/L, nickel chloride 10-11g/L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/L, potassium citrate 3g/L, afterwards in 35 DEG C of hot water, rinsing 40s, it is heat-treated afterwards in heating furnace is put into, temperature control raises temperature to 50 DEG C of heat afterwards at 45 DEG C, soaking time 8min Handle 12min.
A kind of described car hub, the volume of nickel alloy blank is stocked up needed for nickel alloy wheel rim, by nickel alloy material Base is heated to 1100 DEG C and forged under 600 tons of forging press；Temperature control is extruded after being incubated 15 minutes at 980 DEG C afterwards.
A kind of described car hub, the volume of nickel alloy blank is stocked up needed for nickel alloy wheel rim, by nickel alloy material Base is heated to 1110 DEG C and forged under 600 tons of forging press；Temperature control is extruded after being incubated 15 minutes at 990 DEG C afterwards.
A kind of described car hub, the volume of nickel alloy blank is stocked up needed for nickel alloy wheel rim, by nickel alloy material Base is heated to 1105 DEG C and forged under 600 tons of forging press；Temperature control is extruded after being incubated 15 minutes at 985 DEG C afterwards.
A kind of described car hub, nickel alloy wheel rim element composition are：Mn 4 ﹪, Co 3 ﹪, Nb 1 ﹪, Mo 0.7 ﹪, Mg 0.4 ﹪, Si 0.3 ﹪, Zr 0.2 ﹪, Bi 0.07 ﹪, Cd 0.05 ﹪, C 0.04 ﹪, Ti 0.02 ﹪, surplus For Ni.
A kind of described car hub, nickel alloy wheel rim element composition are：Mn 5 ﹪, Co 4 ﹪, Nb 2 ﹪, Mo 0.8 ﹪, Mg 0.5 ﹪, Si 0.4 ﹪, Zr 0.3 ﹪, Bi 0.08 ﹪, Cd 0.06 ﹪, C 0.05 ﹪, Ti 0.03 ﹪, surplus For Ni.
A kind of described car hub, nickel alloy wheel rim element composition are：Mn 4.5 ﹪, Co 3.5 ﹪, Nb 1.5 ﹪, Mo 0.75 ﹪, Mg 0.45 ﹪, Si 0.35 ﹪, Zr 0.25 ﹪, Bi 0.075 ﹪, Cd 0.055 ﹪, C 0.045 ﹪, Ti 0.025 ﹪, surplus Ni.
A kind of described car hub, electronickelling liquid composition are：Nickel sulfate 20g/L, nickel nitrate 10g/L, nickel chloride 10g/ L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/L, potassium citrate 3g/L, surplus are water.
A kind of described car hub, electronickelling liquid composition are：Nickel sulfate 30g/L, nickel nitrate 20g/L, nickel chloride 11g/ L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/L, potassium citrate 3g/L, surplus are water.
A kind of described car hub, electronickelling liquid composition are：Nickel sulfate 25g/L, nickel nitrate 15g/L, nickel chloride 15g/ L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/L, potassium citrate 3g/L, surplus are water.
It can be detachably screw-type that the outer end of spoke, which removably connects wheel rim end face outside,.
Foregoing invention content is relative to the beneficial effect of prior art：1）Wheel hub of the present invention uses detachable copper alloy Spoke and nickel alloy wheel rim, which to repair, changes simplicity；2）Spoke ensures the intensity of wheel hub and lighter weight using copper alloy, Higher by the hot moulding accuracy of manufacture twice, the deformation in high-speed rotation is small, mitigates tire drag, so as to reduce Oil consumption, 3）Wheel rim uses nickel alloy and multi-pass spinning step proof strength, and radiating effect is very good, so as to enhance system Dynamic performance, improve the service life of tire, the effective guarantee safety traffic of automobile；4）Rim surface electronickelling and use Electronickelling liquid ensure that its service life and so that coating is firmly combined with alloy.
Brief description of the drawings
Fig. 1 is wheel hub schematic diagram；
Fig. 2 is spoke schematic diagram.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now describe the present invention's in detail Embodiment.
A kind of car hub as shown in Figure 1-2, including detachable copper alloy spoke 1 and nickel alloy wheel rim 2, the spoke Equally distributed spoke 3 is dissipated in radiation including a plurality of, spoke centre is provided with centre bore 4, is evenly distributed with around centre bore more Individual mounting hole 5, the outer end 6 of spoke removably connect wheel rim end face outside 7, and rim surface is coated with electroless nickel layer,
Embodiment 1
A kind of car hub, including detachable copper alloy spoke and nickel alloy wheel rim, it is in spoke that the spoke, which includes a plurality of, The equally distributed spoke of diverging is penetrated, spoke centre is provided with centre bore, multiple mounting holes are evenly distributed with around centre bore, spoke Outer end removably connects wheel rim end face outside, and rim surface is coated with electroless nickel layer,
Copper alloy spoke element mass percent forms：Mn 8 ﹪, Co 5 ﹪, Zn 2 ﹪, Bi 0.8 ﹪, the ﹪ of V 0.5, The ﹪ of Ti 0.3 ﹪, Al 0.2 ﹪, In 0.06 ﹪, Ga 0.08, the ﹪ of W 0.04 ﹪, Nb 0.04, surplus Cu, copper alloy is melted Change, be incubated 20 minutes, rear mold preheating；Cast, form spoke crude green body, at 520-530 DEG C after casting, be incubated 1 hour, Centre bore and mounting hole are processed after cooling, is afterwards quenched workpiece heat to 790-800 DEG C of insulation within 15 minutes afterwards, by work Part is reheated to 420-430 DEG C, is incubated 2 hours,
Nickel alloy wheel rim element mass percent forms：Mn 4 ﹪, Co 3 ﹪, Nb 1 ﹪, Mo 0.7 ﹪, Mg 0.4 ﹪, Si 0.3 ﹪, Zr 0.2 ﹪, Bi 0.07 ﹪, Cd 0.05 ﹪, C 0.04 ﹪, Ti 0.02 ﹪, surplus Ni, nickel close Nickel alloy needed for golden wheel rim is stocked up, and nickel alloy material base is heated into 1100-1110 DEG C under 600 tons of forging press forges； Temperature control is extruded after being incubated 15 minutes at 980-990 DEG C afterwards, afterwards at 790-800 DEG C, is incubated 2 hours, is put into expansion Enlarging is carried out on mouth forcing press, carries out rotary pressing processing on spinning machine afterwards, the first passage spinning temperature is maintained at 950-960 ℃；The speed of mainshaft is maintained at 900-910 DEG C up to 2.5 turns/s, feed ratio 0.7mm/r, the second passage spinning temperature；The speed of mainshaft reaches 1.9 turns/s, feed ratio 0.9mm/r, the 3rd passage spinning temperature is maintained at 830-840 DEG C；The speed of mainshaft is fed up to 1.4 turns/s Than 1.2mm/r, electronickelling, electro-nickel process are carried out in electronickelling liquid after being pre-processed afterwards to rim surface：The temperature is controlled to be 30 DEG C, current density 3A/dm2, electroplating time 90min, electronickelling liquid, which forms, is：Solvent is water, nickel sulfate 20g/L, nitre Sour nickel 10g/L, nickel chloride 10g/L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/L, potassium citrate 3g/L, afterwards in 35 DEG C of hot water, 40s is rinsed, is heat-treated afterwards in heating furnace is put into, temperature control is at 45 DEG C, insulation Time 8min, temperature is raised afterwards to 50 DEG C of heat treatment 12min.
Embodiment 2
A kind of car hub, including detachable copper alloy spoke and nickel alloy wheel rim, it is in spoke that the spoke, which includes a plurality of, The equally distributed spoke of diverging is penetrated, spoke centre is provided with centre bore, multiple mounting holes are evenly distributed with around centre bore, spoke Outer end removably connects wheel rim end face outside, and rim surface is coated with electroless nickel layer,
Copper alloy spoke element mass percent forms：Mn 9 ﹪, Co 6 ﹪, Zn 3 ﹪, Bi 0.9 ﹪, the ﹪ of V 0.6, The ﹪ of Ti 0.4 ﹪, Al 0.3 ﹪, In 0.07 ﹪, Ga 0.09, the ﹪ of W 0.05 ﹪, Nb 0.05, surplus Cu, copper alloy is melted Change, be incubated 20 minutes, rear mold preheating；Cast, form spoke crude green body, at 520-530 DEG C after casting, be incubated 1 hour, Centre bore and mounting hole are processed after cooling, is afterwards quenched workpiece heat to 790-800 DEG C of insulation within 15 minutes afterwards, by work Part is reheated to 420-430 DEG C, is incubated 2 hours,
Nickel alloy wheel rim element mass percent forms：The ﹪ of Mn 5 ﹪, Co 4 ﹪, Nb 2 ﹪, Mo0.8 ﹪, Mg 0.5, Si 0.4 ﹪, Zr 0.3 ﹪, Bi 0.08 ﹪, Cd 0.06 ﹪, C 0.05 ﹪, Ti 0.03 ﹪, surplus Ni, nickel alloy wheel rim Required nickel alloy is stocked up, and nickel alloy material base is heated into 1100-1110 DEG C under 600 tons of forging press forges；It is warm afterwards Degree control is extruded after being incubated 15 minutes at 980-990 DEG C, afterwards at 790-800 DEG C, is incubated 2 hours, is put into enlarging pressure Enlarging is carried out on machine, carries out rotary pressing processing on spinning machine afterwards, the first passage spinning temperature is maintained at 950-960 DEG C；Main shaft 2.5 turns/s of turn up, feed ratio 0.7mm/r, the second passage spinning temperature are maintained at 900-910 DEG C；The speed of mainshaft up to 1.9 turns/ S, feed ratio 0.9mm/r, the 3rd passage spinning temperature are maintained at 830-840 DEG C；The speed of mainshaft is up to 1.4 turns/s, feed ratio 1.2mm/r, electronickelling, electro-nickel process are carried out in electronickelling liquid after being pre-processed afterwards to rim surface：It is 30 to control temperature DEG C, current density 3A/dm2, electroplating time 90min, electronickelling liquid, which forms, is：Solvent is water, nickel sulfate 30g/L, nitric acid Nickel 20g/L, nickel chloride 11g/L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/L, potassium citrate 3g/L, afterwards in 35 DEG C of hot water, 40s is rinsed, is heat-treated afterwards in heating furnace is put into, temperature control is at 45 DEG C, insulation Time 8min, temperature is raised afterwards to 50 DEG C of heat treatment 12min.
Embodiment 3
A kind of car hub, including detachable copper alloy spoke and nickel alloy wheel rim, it is in spoke that the spoke, which includes a plurality of, The equally distributed spoke of diverging is penetrated, spoke centre is provided with centre bore, multiple mounting holes are evenly distributed with around centre bore, spoke Outer end removably connects wheel rim end face outside, and rim surface is coated with electroless nickel layer,
Copper alloy spoke element mass percent forms：Mn 8.5 ﹪, Co 5.5 ﹪, Zn 2.5 ﹪, Bi 0.85 ﹪, V 0.55 ﹪, Ti 0.35 ﹪, Al 0.25 ﹪, In 0.065 ﹪, Ga 0.085 ﹪, the ﹪ of W 0.045 ﹪, Nb 0.045, surplus are Cu, copper alloy is melted, be incubated 20 minutes, rear mold preheating；Cast, spoke crude green body is formed, in 520-530 after casting DEG C, be incubated 1 hour, cooling after process centre bore and mounting hole, afterwards by workpiece heat to 790-800 DEG C be incubated 15 minutes Quench afterwards, workpiece be reheated to 420-430 DEG C, is incubated 2 hours,
Nickel alloy wheel rim element mass percent forms：The ﹪ of Mn 4.5 ﹪, Co 3.5 ﹪, Nb 1.5 ﹪, Mo 0.75, Mg 0.45 ﹪, Si 0.35 ﹪, Zr 0.25 ﹪, Bi 0.075 ﹪, Cd 0.055 ﹪, C 0.045 ﹪, Ti 0.025 ﹪, surplus For Ni, nickel alloy needed for nickel alloy wheel rim is stocked up, and nickel alloy material base is heated into 1100-1110 DEG C in 600 tons of forging and stamping Forged under machine；Temperature control is extruded after being incubated 15 minutes at 980-990 DEG C afterwards, and afterwards at 790-800 DEG C, insulation 2 is small When, it is put on belling press and carries out enlarging, carry out rotary pressing processing on spinning machine afterwards, the first passage spinning temperature is maintained at 950-960℃；The speed of mainshaft is maintained at 900-910 DEG C up to 2.5 turns/s, feed ratio 0.7mm/r, the second passage spinning temperature；It is main Rotating speed is maintained at 830-840 DEG C up to 1.9 turns/s, feed ratio 0.9mm/r, the 3rd passage spinning temperature；The speed of mainshaft is up to 1.4 Turn/s, feed ratio 1.2mm/r, electronickelling, electro-nickel process are carried out in electronickelling liquid after being pre-processed afterwards to rim surface：Control Temperature processed is 30 DEG C, current density 3A/dm2, electroplating time 90min, and electronickelling liquid composition is：Solvent is water, nickel sulfate 25g/L, nickel nitrate 15g/L, nickel chloride 10.5g/L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/ L, potassium citrate 3g/L, afterwards in 35 DEG C of hot water, 40s is rinsed, is heat-treated afterwards in heating furnace is put into, temperature control exists 45 DEG C, soaking time 8min, temperature is raised afterwards to 50 DEG C of heat treatment 12min.
Embodiment 4
A kind of car hub, including detachable copper alloy spoke and nickel alloy wheel rim, it is in spoke that the spoke, which includes a plurality of, The equally distributed spoke of diverging is penetrated, spoke centre is provided with centre bore, multiple mounting holes are evenly distributed with around centre bore, spoke Outer end removably connects wheel rim end face outside, and rim surface is coated with electroless nickel layer,
Copper alloy spoke element mass percent forms：Mn 8.2 ﹪, Co 5.3 ﹪, Zn 2.2 ﹪, Bi 0.83 ﹪, V 0.54 ﹪, Ti 0.33 ﹪, Al 0.22 ﹪, In 0.061 ﹪, Ga 0.082 ﹪, the ﹪ of W 0.043 ﹪, Nb 0.044, surplus are Cu, copper alloy is melted, be incubated 20 minutes, rear mold preheating；Cast, spoke crude green body is formed, in 520-530 after casting DEG C, be incubated 1 hour, cooling after process centre bore and mounting hole, afterwards by workpiece heat to 790-800 DEG C be incubated 15 minutes Quench afterwards, workpiece be reheated to 420-430 DEG C, is incubated 2 hours,
Nickel alloy wheel rim element mass percent forms：The ﹪ of Mn 4.2 ﹪, Co 3.1 ﹪, Nb 1.3 ﹪, Mo 0.74, Mg 0.43 ﹪, Si 0.32 ﹪, Zr 0.21 ﹪, Bi 0.072 ﹪, Cd 0.053 ﹪, C 0.044 ﹪, Ti 0.026 ﹪, surplus For Ni, nickel alloy needed for nickel alloy wheel rim is stocked up, and nickel alloy material base is heated into 1100-1110 DEG C in 600 tons of forging and stamping Forged under machine；Temperature control is extruded after being incubated 15 minutes at 980-990 DEG C afterwards, and afterwards at 790-800 DEG C, insulation 2 is small When, it is put on belling press and carries out enlarging, carry out rotary pressing processing on spinning machine afterwards, the first passage spinning temperature is maintained at 950-960℃；The speed of mainshaft is maintained at 900-910 DEG C up to 2.5 turns/s, feed ratio 0.7mm/r, the second passage spinning temperature；It is main Rotating speed is maintained at 830-840 DEG C up to 1.9 turns/s, feed ratio 0.9mm/r, the 3rd passage spinning temperature；The speed of mainshaft is up to 1.4 Turn/s, feed ratio 1.2mm/r, electronickelling, electro-nickel process are carried out in electronickelling liquid after being pre-processed afterwards to rim surface：Control Temperature processed is 30 DEG C, current density 3A/dm2, electroplating time 90min, and electronickelling liquid composition is：Solvent is water, nickel sulfate 27g/L, nickel nitrate 16g/L, nickel chloride 10.7g/L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/ L, potassium citrate 3g/L, afterwards in 35 DEG C of hot water, 40s is rinsed, is heat-treated afterwards in heating furnace is put into, temperature control exists 45 DEG C, soaking time 8min, temperature is raised afterwards to 50 DEG C of heat treatment 12min.
Embodiment 5
A kind of car hub, including detachable copper alloy spoke and nickel alloy wheel rim, it is in spoke that the spoke, which includes a plurality of, The equally distributed spoke of diverging is penetrated, spoke centre is provided with centre bore, multiple mounting holes are evenly distributed with around centre bore, spoke Outer end removably connects wheel rim end face outside, and rim surface is coated with electroless nickel layer,
Copper alloy spoke element mass percent forms：Mn 8.7 ﹪, Co 5.8 ﹪, Zn 2.9 ﹪, Bi 0.86 ﹪, V 0.59 ﹪, Ti 0.38 ﹪, Al 0.27 ﹪, In 0.068 ﹪, Ga 0.089 ﹪, the ﹪ of W 0.047 ﹪, Nb 0.046, surplus are Cu, copper alloy is melted, be incubated 20 minutes, rear mold preheating；Cast, spoke crude green body is formed, in 520-530 after casting DEG C, be incubated 1 hour, cooling after process centre bore and mounting hole, afterwards by workpiece heat to 790-800 DEG C be incubated 15 minutes Quench afterwards, workpiece be reheated to 420-430 DEG C, is incubated 2 hours,
Nickel alloy wheel rim element mass percent forms：The ﹪ of Mn 4.3 ﹪, Co 3.6 ﹪, Nb 1.7 ﹪, Mo 0.76, Mg 0.47 ﹪, Si 0.38 ﹪, Zr 0.28 ﹪, Bi 0.076 ﹪, Cd 0.057 ﹪, C 0.048 ﹪, Ti 0.028 ﹪, surplus For Ni, nickel alloy needed for nickel alloy wheel rim is stocked up, and nickel alloy material base is heated into 1100-1110 DEG C in 600 tons of forging and stamping Forged under machine；Temperature control is extruded after being incubated 15 minutes at 980-990 DEG C afterwards, and afterwards at 790-800 DEG C, insulation 2 is small When, it is put on belling press and carries out enlarging, carry out rotary pressing processing on spinning machine afterwards, the first passage spinning temperature is maintained at 950-960℃；The speed of mainshaft is maintained at 900-910 DEG C up to 2.5 turns/s, feed ratio 0.7mm/r, the second passage spinning temperature；It is main Rotating speed is maintained at 830-840 DEG C up to 1.9 turns/s, feed ratio 0.9mm/r, the 3rd passage spinning temperature；The speed of mainshaft is up to 1.4 Turn/s, feed ratio 1.2mm/r, electronickelling, electro-nickel process are carried out in electronickelling liquid after being pre-processed afterwards to rim surface：Control Temperature processed is 30 DEG C, current density 3A/dm2, electroplating time 90min, and electronickelling liquid composition is：Solvent is water, nickel sulfate 26g/L, nickel nitrate 17g/L, nickel chloride 10.8g/L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/ L, potassium citrate 3g/L, afterwards in 35 DEG C of hot water, 40s is rinsed, is heat-treated afterwards in heating furnace is put into, temperature control exists 45 DEG C, soaking time 8min, temperature is raised afterwards to 50 DEG C of heat treatment 12min.

Claims (9)

1. a kind of car hub, including detachable copper alloy spoke and nickel alloy wheel rim, the spoke includes a plurality of in radiation Dissipate equally distributed spoke, spoke centre is provided with centre bore, is evenly distributed with multiple mounting holes around centre bore, spoke it is outer The dismountable connection wheel rim end face outside in end, rim surface are coated with electroless nickel layer,
Copper alloy spoke element mass percent forms：Mn 8-9 ﹪, Co 5-6 ﹪, Zn 2-3 ﹪, Bi 0.8-0.9 ﹪, V 0.5-0.6 ﹪, Ti 0.3-0.4 ﹪, Al 0.2-0.3 ﹪, In 0.06-0.07 ﹪, Ga 0.08-0.09 ﹪, W 0.04- 0.05 ﹪, Nb 0.04-0.05 ﹪, surplus Cu, copper alloy are melted, be incubated 20 minutes, rear mold preheating；Cast, Spoke crude green body is formed, at 520-530 DEG C after casting, 1 hour is incubated, centre bore and mounting hole is processed after cooling, afterwards will Workpiece heat to 790-800 DEG C of insulation is quenched for 15 minutes afterwards, and workpiece is reheated into 420-430 DEG C, 2 hours is incubated, obtains To copper alloy spoke,
Nickel alloy wheel rim element mass percent forms：Mn 4-5 ﹪, Co 3-4 ﹪, Nb 1-2 ﹪, Mo 0.7-0.8 ﹪, Mg 0.4-0.5 ﹪, Si 0.3-0.4 ﹪, Zr 0.2-0.3 ﹪, Bi 0.07-0.08 ﹪, Cd 0.05-0.06 ﹪, C 0.04- 0.05 ﹪, Ti 0.02-0.03 ﹪, surplus Ni, nickel alloy needed for nickel alloy wheel rim are stocked up, nickel alloy material base are heated Forged to 1100-1110 DEG C under 600 tons of forging press；Temperature control is squeezed after being incubated 15 minutes at 980-990 DEG C afterwards Pressure, afterwards at 790-800 DEG C, 2 hours are incubated, is put on belling press and carries out enlarging, carry out spinning on spinning machine afterwards Processing, the first passage spinning temperature are maintained at 950-960 DEG C；The speed of mainshaft is up to 2.5 turns/s, feed ratio 0.7mm/r, the second passage Spinning temperature is maintained at 900-910 DEG C；The speed of mainshaft is kept up to 1.9 turns/s, feed ratio 0.9mm/r, the 3rd passage spinning temperature At 830-840 DEG C；The speed of mainshaft is up to 1.4 turns/s, feed ratio 1.2mm/r, in electronickelling liquid after being pre-processed afterwards to rim surface Middle carry out electronickelling, electro-nickel process：It is 30 DEG C, current density 3A/dm2, electroplating time 90min to control temperature, plating Nickel liquid forms：Solvent is water, nickel sulfate 20-30g/L, nickel nitrate 10-20g/L, nickel chloride 10-11g/L, ammonium sulfate 3g/L, Ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/L, potassium citrate 3g/L, afterwards in 35 DEG C of hot water, 40s is rinsed, It is heat-treated afterwards in heating furnace is put into, temperature control raises temperature to 50 DEG C of heat treatments afterwards at 45 DEG C, soaking time 8min 12min, obtain nickel alloy wheel rim.
2. a kind of car hub as claimed in claim 1, the volume of nickel alloy blank is stocked up needed for nickel alloy wheel rim, will Nickel alloy material base is heated to 1100 DEG C and forged under 600 tons of forging press；Afterwards temperature control 980 DEG C insulation 15 minutes it is laggard Row extruding.
3. a kind of car hub as claimed in claim 1, the volume of nickel alloy blank is stocked up needed for nickel alloy wheel rim, will Nickel alloy material base is heated to 1110 DEG C and forged under 600 tons of forging press；Afterwards temperature control 990 DEG C insulation 15 minutes it is laggard Row extruding.
4. a kind of car hub as claimed in claim 1, the volume of nickel alloy blank is stocked up needed for nickel alloy wheel rim, will Nickel alloy material base is heated to 1105 DEG C and forged under 600 tons of forging press；Afterwards temperature control 985 DEG C insulation 15 minutes it is laggard Row extruding.
5. a kind of car hub as claimed in claim 1, nickel alloy wheel rim element composition are：Mn 4 ﹪, Co 3 ﹪, Nb 1 ﹪, Mo 0.7 ﹪, Mg 0.4 ﹪, Si 0.3 ﹪, Zr 0.2 ﹪, Bi 0.07 ﹪, Cd 0.05 ﹪, C 0.04 ﹪, Ti 0.02 ﹪, surplus Ni.
6. a kind of car hub as claimed in claim 1, nickel alloy wheel rim element composition are：Mn 5 ﹪, Co 4 ﹪, Nb 2 ﹪, Mo 0.8 ﹪, Mg 0.5 ﹪, Si 0.4 ﹪, Zr 0.3 ﹪, Bi 0.08 ﹪, Cd 0.06 ﹪, C 0.05 ﹪, Ti 0.03 ﹪, surplus Ni.
7. a kind of car hub as claimed in claim 1, nickel alloy wheel rim element composition are：Mn 4.5 ﹪, Co 3.5 ﹪, Nb 1.5 ﹪, Mo 0.75 ﹪, Mg 0.45 ﹪, Si 0.35 ﹪, Zr 0.25 ﹪, Bi 0.075 ﹪, Cd 0.055 ﹪, C 0.045 ﹪, Ti 0.025 ﹪, surplus Ni.
8. a kind of car hub as claimed in claim 1, electronickelling liquid composition are：Nickel sulfate 20g/L, nickel nitrate 10g/L, chlorine Changing nickel 10g/L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/L, potassium citrate 3g/L, surplus is Water.
9. a kind of car hub as claimed in claim 1, electronickelling liquid composition are：Nickel sulfate 30g/L, nickel nitrate 20g/L, chlorine Changing nickel 11g/L, ammonium sulfate 3g/L, ammonium acetate 8g/L, potassium hydroxide 10g/L, aluminum sulfate 5g/L, potassium citrate 3g/L, surplus is Water.
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