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External-conical-surface-contained standard calibration rotor for dynamic balancing machine

A technology of dynamic balancing machine and outer cone surface, which is used in static/dynamic balance testing, machine/structural component testing, instruments, etc. It can solve problems affecting the performance of the whole machine, avoid measurement errors, and reduce system measurement. effect of error

Active Publication Date: 2016-03-16
CHINA NUCLEAR TIANJIN TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of cylinder is made of filament winding, whether the winding is uniform or not, and the shape and position error after machining will directly affect the imbalance of the cylinder, and then affect the performance of the whole machine after assembly

Method used

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  • External-conical-surface-contained standard calibration rotor for dynamic balancing machine
  • External-conical-surface-contained standard calibration rotor for dynamic balancing machine
  • External-conical-surface-contained standard calibration rotor for dynamic balancing machine

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Embodiment Construction

[0024] Hereinafter, the present invention will be described in detail with reference to the drawings and embodiments:

[0025] Such as Figure 1~6 As shown, a standard proofreading rotor for a dynamic balancing machine with an outer cone includes a core shaft 1. The core shaft 1 includes, from left to right, a left support section 4 supported on a bearing frame of the balancing machine, and a center hole of the left end cover 2. The interference fit section 5 of the interference fit, the axial limit limit section 6, the clearance fit section 7 that fits with the center hole of the right end cover 3, the thread section 8 that fits with the lock nut 10, the right support section 9, Assembling rings 11 are formed on the opposite end surfaces of the left end cover 2 and right end cover 3, a limit plate 15 is formed on the outer wall, the outer ring of the assembling ring 11 is a conical surface, and the assembling ring 11 is radially formed with a plurality of matching test weights ...

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PUM

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Abstract

Disclosed in the invention is an external-conical-surface-contained standard calibration rotor for a dynamic balancing machine. The calibration rotor comprises a mandrel including a left support segment, an interference fit segment, a limiting segment, a clearance fit segment, a thread segment, and a right support segment from left to right; the left support segment is supported at a balancing machine bearing rack; the interference fit segment is in an interference fit relation with a center of a left end cover; the limiting segment is in an axial limiting mode; the clearance fit segment is in a clearance fit relation with a center of a right end cover; and the thread segment cooperates with a locking nut. Assembling rings are formed on opposite end surfaces of the left end cover and the right end cover; and limiting plates are formed on the outer walls. The outer rings of the assembling rings are conical surfaces; and a plurality of threaded holes cooperating with a test mass unit are formed in the assembling rings in the radial direction. According to the invention, with the left end cover having the external conical surface and the right end cover having the external conical surface as well as threaded holes arranged on the assembling rings, real-time calibration of the dynamic balancing machine is realized; and with the external conical surfaces and the limiting plates, line-contact positioning is carried out on a composite-material-based cylinder, thereby minimizing a system measurement error caused by the initial unbalancing value of the positioning tool itself.

Description

Technical field [0001] The invention belongs to a calibration device, in particular to a standard calibration rotor of a dynamic balancing machine with an outer cone. Background technique [0002] The composite cylinder is a part of high-speed rotating machinery, and its initial imbalance will directly affect its radial vibration amplitude. This kind of cylinder is wound by filaments. Whether the winding is uniform and the size of the shape and position error after machining will directly affect the size of the cylinder's imbalance, and then affect the performance of the whole machine after assembly. In order to accurately measure the initial unbalanced mass of the cylinder, it is necessary to design a special auxiliary positioning tool to dynamically balance it. In order to meet the real-time calibration of the dynamic balancing machine, it is necessary to design a device that can simultaneously meet the cylinder dynamic balance detection positioning and balancing machine calibr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M1/38
CPCG01M1/00
Inventor 王斌李超
Owner CHINA NUCLEAR TIANJIN TECH DEV
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