Preparation process of grain streamline high precision matching bearing outer ring
A technology of bearing outer ring and preparation process, applied in mechanical equipment, engine components, etc., can solve problems such as low production efficiency, achieve high yield, shorten cooling time, and improve yield.
Active Publication Date: 2021-04-06
浙江万鼎精密科技股份有限公司
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Problems solved by technology
[0004] In order to overcome the problem of low production efficiency of traditional hub bearing production and processing methods in the prior art, the present invention now provides a preparation process for the outer ring of bearings with high production efficiency and high precision matching of grain streamlines
Method used
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Embodiment
[0053] Embodiment: According to the attached figure 1 , attached figure 2 , attached image 3 , attached Figure 4 , attached Figure 5 , attached Image 6 , attached Figure 7 , attached Figure 8 , attached Figure 9 , attached Figure 10 , attached Figure 11 , attached Figure 12 , attached Figure 13 , attached Figure 14 , attached Figure 15 , attached Figure 16 And attached Figure 17 To further illustrate the present invention, a process for preparing the outer ring of a bearing with high-precision grain streamline matching in this example is characterized in that the preparation process is as follows:
[0054] 1. Select a number of columnar raw materials, put the raw materials into the metal appearance detector in turn for shape inspection and record the appearance inspection data. The diameter of defective products is less than 370mm or greater than 570mm, and the diameter of good products is 371-380mm or diameter At 557-569mm, the diameter of Youpi...
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Abstract
The invention discloses a process for preparing the outer ring of a bearing with high-precision grain streamline matching. In a press, raw materials after upsetting treatment will be put into a pre-forging die for pre-forging treatment, and the raw materials after pre-forging treatment will be It is loaded into the precision forging die for precision forging treatment. After precision forging treatment, the raw material will be loaded into the punching mold and driven by the mechanical arm into the punching machine for punching treatment. In the punching machine, after punching treatment The raw materials will be loaded into the trimming die for edge trimming. The raw material after edge trimming has become a workpiece, and then the mechanical arm sends the workpiece to the cooling conveying device for normalizing treatment, and then driven by the cooling conveying device into the storage barrel for forging storage. The invention overcomes the problem of low production efficiency in the traditional hub bearing production and processing method in the prior art. The invention has the advantages of simple and convenient production process, high yield rate of products, high utilization rate of raw materials and the like.
Description
technical field [0001] The invention relates to the field of forging technology of a wheel hub unit, and more specifically, to a preparation technology of an outer ring of a bearing with high-precision grain streamline matching. Background technique [0002] At present, China Patent Online discloses an energy-saving and high-efficiency aluminum alloy wheel manufacturing process, which includes the following steps: 1. Spinning the wheel blank to obtain a semi-finished product; 2. Punching the center hole of the semi-finished product to obtain a pre-finished product; 3. Carrying out heat treatment on the pre-finished product to get the finished product. Also disclosed is an energy-saving and high-efficiency aluminum alloy wheel preparation system. The semi-finished product obtained by spinning has a residual temperature of about 350°C. At this time, the texture is relatively soft, and the center hole that meets the requirements can be processed by stamping. The stamping proce...
Claims
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IPC IPC(8): B23P15/00B21K1/04
CPCB21K1/04B23P15/003
Inventor 夏建祥
Owner 浙江万鼎精密科技股份有限公司