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Coaxiality calibration tool and coaxiality calibration method

A technology of coaxiality and tools, which is applied in the field of coaxiality calibration tools, can solve problems affecting calibration accuracy and achieve the effect of improving the scope of application and use efficiency

Pending Publication Date: 2021-12-07
SHENZHEN COMEN MEDICAL INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A test rod of one length can only calibrate products of the same length. When it is necessary to calibrate products of different lengths, it is necessary to use test rods of different lengths, and there is a gap between the circular surfaces at both ends of the test rod and the calibration product, which will inevitably affect the calibration. precision

Method used

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  • Coaxiality calibration tool and coaxiality calibration method
  • Coaxiality calibration tool and coaxiality calibration method
  • Coaxiality calibration tool and coaxiality calibration method

Examples

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Embodiment 1

[0028] Please refer to figure 1 , In one embodiment of the present application, a coaxiality calibration tool is provided, including a mandrel 1, a sleeve 2 and an elastic reset member. There is an inner cavity on the sleeve shaft 2, and the mandrel 1 cooperates with the inner cavity of the sleeve shaft 2. The mandrel 1 can slide in the inner cavity of the sleeve shaft 2. Within the sliding stroke, the coaxiality calibration tool can calibrate different sizes of In the product, the elastic reset part is installed in the inner cavity of the sleeve shaft 2, acts on the mandrel 1, and is used to drive the mandrel 1 to reset. In order to leave no gap between the two ends of the coaxiality calibration tool and the product to be calibrated, the front end of the mandrel 1 is provided with a first abutting portion 101 , and the rear end of the sleeve shaft 2 is provided with a second abutting portion 201 . The contact end of the mandrel 1 and the product to be calibrated is the front...

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Abstract

The invention discloses a coaxiality calibration tool and a coaxiality calibration method. The coaxiality calibration tool comprises a core shaft, a sleeve shaft and an elastic reset piece, an inner cavity is formed in the sleeve shaft, the core shaft is in sliding fit with the inner cavity of the sleeve shaft, abutting parts are arranged at the front end of the core shaft and the rear end of the sleeve shaft, and the elastic reset piece acts on the core shaft to drive the core shaft to reset. Due to the fact that the coaxiality calibration tool is telescopic in length, the coaxiality calibration tool can calibrate products with different lengths within the telescopic stroke range, the application range and the use efficiency of the tool are greatly improved, meanwhile, the abutting parts are adopted at the two ends of the coaxiality calibration tool, no fit clearance is reserved between the coaxiality calibration tool and a calibrated product, and the calibration precision is improved.

Description

technical field [0001] The invention relates to the technical field of coaxiality calibration, in particular to a coaxiality calibration tool and a coaxiality calibration method. Background technique [0002] The coaxiality calibration test rod currently on the market is a non-retractable rod-shaped tool with cylindrical surfaces at both ends. A test rod of one length can only calibrate products of the same length. When it is necessary to calibrate products of different lengths, it is necessary to use test rods of different lengths, and there is a gap between the circular surfaces at both ends of the test rod and the calibration product, which will inevitably affect the calibration. precision. Contents of the invention [0003] In order to solve the problem that a test rod of one length can only calibrate products of the same length, the present invention proposes a coaxiality calibration tool and a coaxiality calibration method. [0004] According to the first aspect, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/252
CPCG01B5/252
Inventor 卜亚洲肖春辉
Owner SHENZHEN COMEN MEDICAL INSTR
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