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Precision balance measuring instrument

A measuring instrument, high-precision technology, applied in the direction of measuring device, static/dynamic balance test, instrument, etc., can solve the problems of high interference and low precision, and achieve the effect of high measurement precision, wide measurement range and many types

Inactive Publication Date: 2007-03-21
冯昌荣
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiencies of the prior art, the low precision of the equipment itself, the introduction of a lot of interference, and the errors of indirect measurement, the present invention provides a high-precision balance measuring instrument, which drives the measured parts to rotate freely through the magnetic levitation body, completely avoiding the introduction of interference, The equipment itself can carry out high-precision balance correction, and at the same time, the direct measurement method is used to greatly reduce the error, thereby greatly improving the measurement accuracy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment one, in Fig. 3, the rare-earth strong magnet magnetic tube (1) of two uniform magnetic fields of the same size is connected together by the aluminum alloy circular tube (4) of 0.5 centimeter of tube wall thickness, wherein two magnetic tubes ( 1) The axis line of the aluminum alloy round tube (4) is on the same horizontal straight line, and is parallel to the axis line of the two semicircular magnetic slots (5) directly below, and the magnetic cylinder (1) is placed In the slightly larger magnetic groove (5), the polarity of the outer side of the magnetic cylinder (1) is the same as that of the inner side of the magnetic groove (5) and they are relatively opposite to each other, thus forming a suspension component. The magnetic cylinder (1) can be placed in the magnetic groove ( 5) Roll freely without resistance. One end of the aluminum alloy round tube (4) stretches out the bottom seal plate (8) of the magnetic cylinder and fixes an indicator plate (3) at th...

Embodiment 2

[0013] In the second embodiment, the rare earth ferromagnetic material of the magnetic cylinder and the magnetic groove is replaced with an electromagnet or a superconducting magnet. Others are the same.

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Abstract

A high precision traverse adjustment for measuring the imbalance quality of the rotating member is provided in the invention. It puts the magnetic canister into the bigger magnetic slot to suspend the magnetic canister by the repulsive force produced by the same polarity. The tested part is rotating with the magnetic canister droved by the cord or connected by the sleeve. So it can get the distribution and the magnitude of the imbalance quality according to the gravity sagged theory. So it can avoid the interface and improve the measuring precision.

Description

Technical field: [0001] The invention is a device for measuring the unbalanced mass of a rotating part, which belongs to the suspension type high-precision balance measuring device. technical background: [0002] A rotating object will vibrate as it rotates if its mass is not symmetrically balanced about the axis of rotation. Many rotating parts in industrial production equipment, such as wheels, flywheels, engine crankshafts, motor rotors, etc., need to be balanced. However, the current balance measurement technology usually adopts the pendulum hard-supported force-measuring structure. Although it can achieve high precision, it will face the following problems in order to further improve the precision: the manufacturing and assembly errors and wear of the rolling ball bearing will affect the precision, the pendulum The rigidity of the frame limits the signal amplitude of the force sensor, the structure of the pendulum makes the measurement blind, and the fluctuation of the...

Claims

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Application Information

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IPC IPC(8): G01M1/14G01M1/16
Inventor 冯昌荣
Owner 冯昌荣
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