The Method of Machining the Stationary Vane Hole of the Case by Using the Boring Machine
A processing machine and vane technology, which is applied in the field of axial flow compressors, can solve the problems that the drilling precision of the stator vane hole is difficult to meet the requirements, and the rigidity of the spindle is reduced.
Active Publication Date: 2019-07-12
SHENYANG TURBO MASCH CORP
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Problems solved by technology
[0003] Through the method of the prior art to process the stator vane hole of the casing of the axial flow compressor with a smaller diameter, the drill bit of the boring machine needs to protrude a long distance through the main shaft, so that the rigidity of the main shaft is relatively reduced, resulting in the drill bit processing the stator vane. When drilling holes, the machining accuracy of the drill bit to process the stator blade holes is difficult to meet the requirements
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[0034] see Figure 1 to Figure 3 , in order to solve the problem in the prior art, when the diameter of the casing of the axial flow compressor is small, the drill bit of the boring machine needs to extend a long distance through the main shaft by using the method of processing the stationary vane hole of the casing in the prior art, The rigidity of the main shaft is relatively reduced, resulting in the technical problem that when the drill bit is machining the stationary vane hole, the machining accuracy of the stationary vane hole by the drill bit is difficult to meet the requirements because of the reduced rigidity of the main shaft. An embodiment of the present invention provides a method for using a boring machine to process the stator vane hole of the casing, including:
[0035] 101. Set the casing eccentrically on the working platform of the boring machine.
[0036] It should be understood that: see Figure 4 , in the prior art, the axis line of the casing is coaxial w...
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The invention relates to the field of axial flow compressors, in particular to a method for machining a stator vane hole of a casing by using a boring machine, comprising: arranging a first stator vane hole at a position close to a drill bit of the boring machine, and drilling the first stator vane hole with the drill bit. Machining; get the eccentric distance; after the first vane hole is processed, rotate the work platform clockwise or counterclockwise according to the preset angle; get the offset distance of the second vane hole; according to the offset distance , move the working platform, and use the drill to process the second stator hole; after the second stator hole is processed, repeat the method to complete the processing of the remaining stator holes. This method solves the problem that in the prior art, by using the prior art method to process the vane hole of the casing of the axial flow compressor with a smaller diameter, the drill bit of the boring machine needs to extend a long distance through the main shaft, so that the rigidity of the main shaft is relatively high. It is a technical problem that when the drill bit processes the stator vane hole, the machining accuracy of the drill bit can hardly meet the requirements.
Description
technical field [0001] The invention relates to the field of axial flow compressors, in particular to a method for processing stator vane holes of casings with a boring machine. Background technique [0002] A plurality of stator vane holes are evenly arranged on the outer circle of the casing of the axial flow compressor, and the stator vane holes are used for installing the stator vanes. see Figure 4 , using the prior art to process the stationary vane holes of the casing, usually the axis line of the casing is concentrically set with the center of the working platform of the boring machine, and then the working platform of the rotary boring machine is used to process a plurality of stationary vane holes in sequence. [0003] By the method of the prior art to process the stator vane hole of the casing of the axial flow compressor with a smaller diameter, the drill bit of the boring machine needs to protrude a long distance through the main shaft, so that the rigidity of t...
Claims
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IPC IPC(8): B23B35/00
CPCB23B35/00
Inventor 李琳舒鑫金星
Owner SHENYANG TURBO MASCH CORP