Friction -type full-automatic high speed main shaft on-line dynamic balance system and its control method

A high-speed spindle, fully automatic technology, used in static/dynamic balance testing, measuring devices, instruments, etc., can solve problems such as poor stability, low precision, and low efficiency

Inactive Publication Date: 2008-08-13
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to overcome the shortcomings of the existing high-precision online dynamic balancing system for high-speed spindles, such as low precis

Method used

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  • Friction -type full-automatic high speed main shaft on-line dynamic balance system and its control method
  • Friction -type full-automatic high speed main shaft on-line dynamic balance system and its control method
  • Friction -type full-automatic high speed main shaft on-line dynamic balance system and its control method

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Experimental program
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Embodiment Construction

[0070] This embodiment is described in detail in conjunction with accompanying drawings 1 to 17

[0071] The invention mainly includes two parts: the mechanical structure of the balance head and the control system.

[0072] (1) Balance head mechanical structure

[0073] Figure 1 is the overall assembly diagram of the mechanical structure of the balance head. The balance head adopts a symmetrical structure design as a whole, and is symmetrical with the meshing ring gear 6 as the center. It includes four parts: the casing, the connecting shaft, the balance ring and the balance ring driving actuator, of which:

[0074] The shell includes a bearing 4 and a cylindrical shell 1 made of magnetic isolation material, a dome-shaped end cap 2 and a dome-shaped bearing cap 3, and each of the end cap 2, bearing cap 3 and bearing 4 has two symmetrical , the shell 1, the end cover 2 and the bearing cover 3 are fastened together;

[0075] The connecting shaft includes a central shaft 5 and...

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Abstract

The invention relates to a frictional full-automatic high-speed online dynamic balance system and control method thereof, belonging to the field of precision super precision process and atomization. A balance head mechanical device of said online dynamic balance system uses symmetrical structure design. The core is two left-right symmetrical rectified balance rings and drive implementing mechanism thereof. The balance head mechanical structure is particularly reliable and simple. In design of the said dynamic balance system controller, a high-functional digital signal processor is chosen as core processor which has a high data processing speed and precision. The processor ensures balance shorter dynamic balance time and greater effect. The doable control method of said dynamic balance system and effective data processing arithmetic enables the entire system more improved. This invention makes important significance for the high-speed precision super precision process.

Description

technical field [0001] The invention relates to a friction-type fully automatic high-speed spindle online dynamic balancing system and a control method thereof, which belong to the field of precision ultra-precision machining and automation. Background technique [0002] High-speed precision ultra-precision machining is the development direction of modern manufacturing technology, and online dynamic balancing is one of the key technologies in this field, especially in high-speed precision grinding. [0003] The magnitude of the unbalanced centrifugal force generated when the high-speed spindle system rotates at high speed can be expressed by the following formula: [0004] F=Meω 2 [0005] Among them, M is the mass of the high-speed spindle system, e is the eccentric distance between the center of gravity of the high-speed spindle system and its rotation axis, ω is the working angular velocity (rad / s) of the high-speed spindle system, ω=2πn / 60, and...

Claims

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Application Information

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IPC IPC(8): G01M1/30
Inventor 伍良生张云禧周大帅朱美玲
Owner BEIJING UNIV OF TECH
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