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A method and device for measuring the height of the large rib of the inner ring of a tapered roller bearing

A technology of tapered roller bearing and large rib, applied in the direction of measuring devices, instruments, etc., to achieve the effect of improving measurement accuracy, increasing rotation flexibility and service life, and improving measurement accuracy

Active Publication Date: 2011-12-28
JM BEARING GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Second, the measurement error of the existing measurement method
It can be seen that when measuring with a needle-shaped probe, the diameter deviation of the raceway is +10cmm, and the rib will have an error of -1.71cmm

Method used

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  • A method and device for measuring the height of the large rib of the inner ring of a tapered roller bearing
  • A method and device for measuring the height of the large rib of the inner ring of a tapered roller bearing
  • A method and device for measuring the height of the large rib of the inner ring of a tapered roller bearing

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Embodiment Construction

[0041] Such as Image 6 with Figure 7 As shown, the method for measuring the height of the large rib of the tapered roller bearing inner ring of the present invention includes:

[0042] (1) The height of the large rib of the inner ring of the tapered roller bearing is measured by center positioning. First, a positioning cone is provided. Using the matching characteristics of the positioning cone and the inner diameter of the inner ring of the tapered roller bearing to be tested, the tapered roller bearing to be tested is The inner ring is positioned on the platform, and a certain pressure is given to the positioning cone to ensure that the positioning cone is in full contact with the inner diameter circumference of the tapered roller bearing to be tested. The position of the center of the circle, and keep the relative position of the center of the circle and the probe of the measuring instrument unchanged. It is worth noting that this step is a common method for positioning...

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Abstract

The invention discloses a method and a device for measuring the height of a large rib of an inner ring of a tapered roller bearing. The invention aims at providing a method and device for measuring the height of a large rib of an inner ring of a tapered roller bearing without measurement and location error of the rib caused by diameter change of a rolling way. In the technical scheme of the measurement method disclosed by the invention, circle centre positioning is adopted for measuring the height of the large rib of the inner ring of the tapered roller bearing. By adopting the circle centre positioning, the measurement and location error of the rib caused by the diameter change of the rolling way can be avoided; the location zero error of the height measurement of the large rib of the tapered bearing is realized; and the measurement precision is increased.

Description

technical field [0001] The invention relates to a method and a device for measuring the height of the large rib of the inner ring of a tapered roller bearing. Background technique [0002] 1. The status quo of the industry. [0003] At present, the domestic bearing industry uses the inner ring raceway positioning to measure the height of the large rib of the inner ring of the tapered roller bearing. The raceway positioning is subdivided into two kinds of measuring heads, one is the ball measuring head, which takes the reading when the ball touches the raceway and the rib at the same time as the measured value, such as figure 1 As shown, the other is a needle-shaped measuring head, and the reading when the needle-shaped measuring head touches the rib is the measured value, such as figure 2 shown. These two kinds of measurements are comparative measurement methods using standard parts (standard parts refer to the workpieces with the same shape as the workpiece to be measur...

Claims

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Application Information

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IPC IPC(8): G01B21/02
Inventor 舒永锋
Owner JM BEARING GRP
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