Method for machining high-rigidity inner ring flange of automobile hub bearing unit
An automobile wheel hub and processing method technology, applied in the field of metal processing, can solve the problems of difficult processing, complex and asymmetric inner ring flange structure, etc., and achieve the effects of improving surface rigidity, increasing mold life, and improving overall rigidity
Inactive Publication Date: 2017-08-29
江苏昊鹏机械有限公司 +1
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Due to the complex and asymmetric structure of the inner ring fla
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The invention provides a method for machining a high-rigidity inner ring flange of an automobile hub bearing unit. The method comprises the steps of 1, sawing materials; 2, performing medium-frequency heating; 3, performing closed type forging; 4, performing residual-temperature normalizing and low-temperature tempering; 5, performing cooling and rough turning; 6, performing double shot blasting treatment; 7, drilling a hole, specifically, machining a flange plate hole by adopting a drill; 8, performing semi-finish turning, finish turning and forming, specifically, performing semi-finish turning and finish turning treatment on a flange plate obtained in the step 7; and 9, machining a channel and performing superfinishing on the channel.
Description
technical field [0001] The invention relates to a processing method for a high-rigidity inner ring flange of an automobile hub bearing unit, belonging to the field of metal processing. Background technique [0002] The main function of the automobile hub bearing unit is to bear the weight of the vehicle transmitted through the suspension system, the axial load generated by the steering, transmit the torque transmitted by the gearbox and the drive shaft, and provide accurate guidance for the rotation of the hub, etc. Hub bearing units mainly include inner rings, outer rings, rolling elements, cages and other components. The third-generation hub bearing unit that has developed to the present mainstream is composed of an outer ring with a flange connected to the suspension and an inner ring with a flange connected to the brake disc and steel ring, and is similar to the second-generation hub bearing unit. Different, the third generation hub bearing unit integrates the ABS senso...
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CPCB23P15/00
Inventor 丁宏山臧利国刘建赵振东严冬霞尹荣栋
Owner 江苏昊鹏机械有限公司
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