Machining method of long-and-thin walled cylindrical component
A processing method and technology for thin-walled cylinders, which are applied in the field of cylindrical parts processing, can solve the problems of non-standard interference fit of long thin-walled cylindrical parts, difficult to meet design requirements, unqualified operation tests, etc., and achieve remarkable processing effects. The effect of satisfying operability and avoiding manufacturing errors
Inactive Publication Date: 2017-09-19
SHENYANG TURBO MASCH CORP
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Problems solved by technology
In the finishing process of this processing method, each part of the long and thin-walled cylindrical part is often processed to the amount at one time, and the stress generated during processing cannot be released. When clamping the chuck at one end and the outer diameter of the other end, due to the cylindrical The wall thickness of the part is small, and it is easy to deform during the c
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[0022] see figure 1 , the present invention provides a processing method of long thin-walled cylindrical parts, comprising the following steps:
[0023] Rough machining: Rough machining is performed with the cylindrical forging steel as the blank 101, and one end of the blank 101 is clamped by the three-jaw chuck of the horizontal lathe according to the rough machining pattern of heat treatment, as a specific embodiment of the present invention. , the left end of the blank 101 is installed, and one end of the blank 101 is the right end. Rough turning the outer circle of the blank 101, leaving the unroughed part of the clamping end, so as to form a chuck 102 at the clamping part, from the right end of the blank 101 to the inner hole of the blank and the right end face of the blank 101, and fully Retain the machining allowance for the outer circle, inner hole and right end face. The workpiece obtained after rough machining is as follows: figure 2 shown.
[0024] Heat treatme...
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The invention provides a machining method of a long-and-thin walled cylindrical component, and belongs to the technical field of machining of cylindrical components. The method comprises the following steps: carrying out rough machining to obtain a rough machining workpiece with a chuck; carrying out quenching and tempering treatment on the workpiece subjected to rough machining; carrying out ultrasonic flaw detection on the workpiece; carrying out rough turning and half finished turning of the workpiece; carrying out stress elimination treatment on the workpiece; caryring out finished turning of the workpiece; placing a circular disc shaped support part in an inner hole of a chuck end; clamping the chuck; carrying out finished turning of an outer circle and the inner hole; radially cutting a groove on the outer circle of the workpiece close to the chuck part; then carrying out finished turning of the inner hole and the end surface of the other end to a designed size; finally, cutting off the end provided with the chuck; milling and cutting off the end surface of the workpiece of the chuck end to the length of the workpiece to meet the design requirement. According to the machining method of the long-and-thin walled cylindrical component, the deformation of the workpiece during clamping can be avoided, the machining stress of the workpiece can be effectively released, and the situation that coaxial degree of the workpiece meets the design requirement can be guaranteed.
Description
technical field [0001] The invention relates to the technical field of processing cylindrical parts, in particular to a processing method for long and thin-walled cylindrical parts. Background technique [0002] The centrifugal compressor rotor is composed of multiple parts, some of which are long and thin-walled cylindrical structures, and their specifications are usually 150mm-200mm in outer diameter, 10mm-15mm in wall thickness, and 300mm-400mm in length. Common grades of materials are 12Cr13, 45#, 25Cr2Ni3Mo forgings. [0003] The current method of processing such long and thin-walled cylindrical parts usually adopts the processing process of rough machining→rough turning→finish turning. In the finishing process of this processing method, each part of the long and thin-walled cylindrical part is often processed to the amount at one time, and the stress generated during processing cannot be released. When clamping the chuck at one end and the outer diameter of the other ...
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Login to view more IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 刘姝鑫白俊峰宋健
Owner SHENYANG TURBO MASCH CORP
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