Method for processing valve element
A processing method and spool technology, applied in the field of spool processing, can solve the problems of small parts, products that cannot be processed, and no positioning and clamping positions, so as to save material costs, solve precision machining, and improve work efficiency.
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[0011] Refer to attached figure 1 , figure 2 , a spool is a key part used in the valve assembly of the electronically controlled fuel injector, it is small in size and requires high machining accuracy ( figure 1 The material hardness range shown is HRC 60-64, and the outer roundness is 0.0005mm).
[0012] When designing and feeding, the product parts are respectively set at the two ends of the reference outer circle, the two ends are the workpiece parts, and the middle is the reference outer circle 3 (such as figure 2 ); after the reference outer circle is processed to the accuracy requirement, the transmission grinding fixture can be used to grind the product 1 at one end. 2. After the grinding process, cut off the processed product at the other end until completion.
[0013] Therefore, there is no high-precision special machine tool during processing, so a general-purpose machine tool is used for processing, and the design uses one blanking to process two product parts....
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