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Clamping platform for integral turbine disc mortise forming and grinding machining and operation process of clamping platform

A form grinding and turbine disk technology, which is applied in the direction of grinding workpiece support, grinding machine parts, grinding frame, etc., can solve the problems of unusability, achieve high reliability, simplify the form grinding process, The effect of easy operation

Inactive Publication Date: 2021-02-02
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the tenon and groove grinding process of the turbine disk is usually affected by the large size of the turbine disk, and similar structures and devices cannot be used

Method used

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  • Clamping platform for integral turbine disc mortise forming and grinding machining and operation process of clamping platform
  • Clamping platform for integral turbine disc mortise forming and grinding machining and operation process of clamping platform
  • Clamping platform for integral turbine disc mortise forming and grinding machining and operation process of clamping platform

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] figure 1 It is the overall schematic diagram of the clamping platform for the tenon and groove forming grinding of the integral turbine disk of the present invention, figure 2 yes figure 1 The schematic diagram of the two-way positioning mechanism 6 in the middle. Figure 4 It is a structural schematic diagram of the main support frame 9, the upper support rod 8 and the central shaft shell 5.

[0037] refer to figure 1 , the clamping platform for the tenon and groove forming grinding of the integral turbine disc, including the turbine disc 1, the flange 2, the rotating center shaft 3, the right bearing end cover 4, the left bearing end cover-11, the center shaft shell 5, and the bidirectional positioning mechanism 6. Forming grinding wheel 7, upper support rod 8, main support frame 9 and vibration isolation base 10. The vibration isolation base 10 is connected with the workbench using hexagon socket head cap screws, and the main support frame 9 is fixedly connected...

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Abstract

The invention relates to a clamping platform for integral turbine disc bucket groove forming and grinding machining and an operation process of the clamping platform. The clamping platform is characterized in that two ends of a rotating middle shaft of the platform are connected with a flange and a two-way positioning mechanism correspondingly, a turbine disc is clamped through the flange, the two-way positioning mechanism can realize clockwise or anticlockwise positioning rotation of the rotating middle shaft according to a fixed angle, an upper supporting rod is connected with a middle shaftshell, bearings are arranged at the two ends of the rotating middle shaft and installed in a shell, the upper supporting rod is provided with a bearing and a positioning pin and connected with a mainsupporting frame, so that two-degree-of-freedom positioning rotation of a turbine disc is achieved, and then under one-time clamping and positioning of the turbine disc, forming and grinding machining of the integral turbine disc bucket groove is achieved.

Description

technical field [0001] The invention belongs to the technical field of high-efficiency precision machining, and in particular relates to a clamping platform used for forming and grinding an integral turbine disk tenon and groove and an operation process thereof. [0002] technical background [0003] Form grinding is to prepare and trim the grinding wheel into a reverse surface that completely matches the workpiece surface, and then use the grinding wheel to grind the workpiece to obtain the desired shape; or when grinding the workpiece, make the workpiece It is clamped on a special fixture according to certain conditions. During the processing, the position is fixed or continuously changed for grinding to obtain the desired shape. [0004] Although the use of finger-shaped grinding wheels does not require re-clamping or multiple positioning of the two profiles, because the finger-shaped grinding wheel itself contains a small number of abrasive grains, the tool wears seriousl...

Claims

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Application Information

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IPC IPC(8): B24B19/02B24B41/06B24B41/02B24B41/04B24B1/00
CPCB24B19/02B24B41/06B24B41/02B24B41/04B24B1/00
Inventor 丁文锋张曦李本凯徐九华傅玉灿苏宏华陈燕杨长勇张全利赵正彩殷景飞
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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