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A processing method for a valve body for an oil cooler
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A processing method and oil cooler technology, which is applied in the field of valve body processing for oil coolers, can solve problems such as the inability to guarantee the processing accuracy of the taper hole of the valve body, and achieve the effects of improving processing quality, reducing vibration and improving processing accuracy
Active Publication Date: 2015-11-18
HARBIN TURBINE
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Problems solved by technology
[0003] In order to solve the problem that the existing valve body processing method for oil cooler cannot guarantee the processing accuracy of the taper hole of the valve body, the present invention further proposes a valve body processing method for oil cooler
Method used
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specific Embodiment approach 1
[0014] Specific implementation mode one: combine figure 1 To illustrate this embodiment, the specific steps of a method for processing a valve body for an oil cooler described in this embodiment are as follows:
[0015] Step 1. Process the reference surface of the valve body on the boring machine: process the five non-arc surfaces of the valve body to ensure that the parallelism and perpendicularity of each surface are 0.02, and an auxiliary support with a width of 40mm is left on the axial length of the valve body ring;
[0016] Step 2, turning the auxiliary support ring on the valve body with a vertical lathe, the diameter of the auxiliary support ring is 440mm;
[0017] Step 3. Use a horizontal CNC lathe to perform rough turning and finishing turning on the taper inner hole and the stepped holes of the valve body;
[0018] Step 4. Turn off the auxiliary support ring of the valve body by vertical lathe, and turn the end face flat;
[0019] Step 5, using a boring machine t...
specific Embodiment approach 2
[0022] Specific implementation mode two: combination figure 1 To illustrate this embodiment, in step 1 of the method for processing a valve body for an oil cooler in this embodiment, the rotating speed of the boring machine is 300r / min, the feed rate is 100mm / min, and the cutting depth is 2mm. Other components and connections are the same as those in the first embodiment.
specific Embodiment approach 3
[0023] Specific implementation mode three: combination figure 1 To illustrate this embodiment, in step 3 of a method for processing a valve body for an oil cooler in this embodiment, the rotational speed of the horizontal CNC lathe is 110 r / min, the feed rate is 0.15 mm / r, and the cutting depth is 0.3 mm. Other components and connections are the same as those in the first embodiment.
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Abstract
The invention relates to a valve body machining method, in particular to a valve body machining method for an oil cooler. The method is used for solving the problem that the machining accuracy of a taper hole in a valve body cannot be ensured by the conventional valve body machining method for the oil cooler. The method comprises the following steps of turning an auxiliary support ring on the valve body by using a vertical lathe, wherein the auxiliary support ring has a diameter of 440mm; roughly turning and finely turning an inner tapered hole and each stepped hole in the valve body by using a horizontal numerical control lathe; turning off the auxiliary support ring of the valve body by using the vertical lathe, and smoothening an end face in a turning way; machining an oil through hole and each threaded hole in the valve body by using a boring lathe; facing up the machined valve body and the outer circular conical surface of a valve element to implement the whole machining process. The method is used for machining the valve body of the oil cooler.
Description
technical field [0001] The invention relates to a valve body processing method, in particular to a valve body processing method for an oil cooler. Background technique [0002] The valve body is an important part of the six-way valve used in the steam turbine oil cooler. When working, the taper hole of the valve body matches the outer conical surface of the valve core to seal. mm, the part is a casting blank, the shape is a non-rotating contour shape, the processing difficulty is high, and the existing processing methods cannot guarantee the processing accuracy of the tapered hole. Contents of the invention [0003] In order to solve the problem that the existing valve body processing method for the oil cooler cannot guarantee the processing accuracy of the tapered hole of the valve body, the invention further proposes a valve body processing method for the oil cooler. [0004] The technical scheme that the present invention takes for solving the above problems is: the co...
Claims
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