The invention belongs to the technical field of wheel hub manufacturing, and relates to a production method for an aluminum alloy wheel. The production method mainly comprises the following steps of A, material selecting; B, casting; C, heat treatment; and D, machining. After an aluminum alloy wheel blank is casted, the temperature is 400-500 DEG C; in the later heat treatment production, a preheat process and a temperature-rise process are completed by using waste heat of the blank, so that the energy consumption is reduced significantly. In addition, the cooling process after casting is omitted, the product stress concentration is reduced, the product yield is improved, and the water resources and power consumption are decreased.

Production method for aluminum alloy wheel

The invention discloses a preparation method of a boron carbide reinforced 6061 aluminum alloy hub. The aluminum alloy hub is prepared from the following alloy elements in percentage by mass: 0.2-0.4% of Cu, 0-0.7% of Fe, 0.5-1% of Mg, 0.4-0.8% of Si, 0.06-0.24% of Cr, 0-0.15% of Mn, 0.06-0.12% of Cr, 0-0.15% of Zn, 0.1-0.15% of Ti, 0.02-0.24% of Be, 0.015-0.3% of Ge, 0.01-0.02% of Sc and the balance of Al. The aluminum alloy hub is excellent in mechanical properties, has relatively high tensile strength, yield strength and elongation at break, and also has excellent wear resistance, high-temperature stability, chemical stability and fatigue resistance; the service life of the hub can be greatly prolonged.

Preparation method of boron carbide reinforced 6061 aluminum alloy hub

The invention discloses an aluminum alloy hub hot-spinning technology for improving the overall strength of a wheel. The technology includes the main processes of fusion, casting preforming, homogenizing treatment, heating spinning, preheating treatment, shot blasting, spinning, heat treatment, shot blasting, machining and coating. The superfine loosening defect can be overcome by means of hot-spinning plastic deformation, and therefore the mechanical property of the hub is improved, the overall strength and corrosion resistance of the wheel are greatly improved through the new melting-spinning technology, the machining allowance is greatly reduced, the service life of the wheel is obviously prolonged, the safety is obviously improved, the purposes of weight losing and oil saving of a vehicle can be better achieved, and production cost of the wheel is reduced.

Aluminum alloy hub hot-spinning technology for improving overall strength of wheel

The invention discloses a friction-resistant aluminum alloy hub spinning process Main procedures of the process comprise the steps of melting, casting pre-forming, homogenizing treatment, heating spinning, pre-heat treatment, shot blasting, spinning, heat treatment, shot blasting, machining and coating Heat-spinning plastic deformation can make up superfine loosening defects, so that mechanical performance of a hub is improved; and the casting spinning new technology greatly improves the overall strength and corrosion resistance of a wheel, the machining allowance is greatly reduced, the service life of the wheel is significantly prolonged, safety of the wheel is significantly improved, vehicle weight reducing and oil saving are facilitated, and the wheel production cost is decreased

Friction-resistant aluminum alloy hub spinning process

The invention discloses an aluminum alloy wheel hub heat spinning process for improving the overall abrasion resistant degree of a wheel. The main procedure of the process includes smelting, casting performing, homogeneous treatment, heating spinning, pre-heating treatment, shot blasting, spinning, shot blasting, machining and coating. The heat spinning plastic deformation can compensate for the superfine looseness defect, and therefore the mechanical performance of a wheel hub is improved, the overall strength and the abrasion resistance of the wheel are substantially improved by means of a new casting and spinning process, the machining allowance is substantially reduced, the service life of the wheel is remarkably prolonged, the safety of the wheel is remarkably improved, weight reducing and oil saving of a vehicle are facilitated, and the production cost of the wheel is reduced.

Aluminum alloy wheel hub heat spinning process for improving overall abrasion resistant degree of wheel

The invention provides a low-pressure cast spinning short process of aluminum alloy hubs. The process includes the steps of 1, smelting; 2, performing low-pressure casting; 3, heating semi-finished products, to be specific, controlling furnace gas temperature of a semi-finished product heating furnace to be 435-485 DEG C and temperature of semi-finished products to be 380-400 DEG C; 4, performing spinning; 5, performing heat treatment, to be specific, performing solid solution treatment, namely controlling the furnace gas temperature of a solid solution furnace to be 580-600 DEG C and temperature of semi-finished products to be 535+/-5 DEG C, and performing ageing treatment, namely controlling furnace gas temperature of an ageing furnace to be 210-230 DEG C and temperature of semi-finished products to be 155-160 DEG C; 6, performing cooling, to be specific, cooling the semi-finished products to normal temperature and performing surface inspection to the products; 7, drilling center holes, to be specific, machining the products according to an operating process of an automatic drilling machine and the diameters of drilled holes. The low-pressure cast spinning short process of the aluminum alloy hubs has the advantages that quality of cast products can be improved, and energy saving and process shortening can also be achieved.

Liu Yushan

Papers

Low-pressure cast spinning short process of aluminum alloy hubs