Method for measuring large-scale workpiece taper using ring-plane method

A technology of large workpieces and ring plates, which is applied in the field of measuring the taper of large workpieces by the ring plate method, can solve the problems of loss of accuracy, quality accidents, and low measurement accuracy, and achieve the effects of reducing construction workload, high work efficiency, and high measurement accuracy

Inactive Publication Date: 2008-02-20
BOHAI SHIP HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Large-scale workpieces have large outer diameters and long taper dimensions. The measurement templates produced are difficult to process, consume a lot of materials, and are heavy in weight. It is very inconvenient to use.
When measuring, the gauge template and the workpiece to be measured often do not match well, and the measurement accuracy is not high. After use, the proper accuracy is often lost during storage and transportation, and serious quality accidents will result.

Method used

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  • Method for measuring large-scale workpiece taper using ring-plane method
  • Method for measuring large-scale workpiece taper using ring-plane method

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Embodiment Construction

[0016] The method for measuring the taper of a large workpiece by the ring plate method comprises the following steps:

[0017] 1. According to the size of taper rod and taper hole, process and manufacture taper rod measuring large diameter ring plate 5 and taper rod measuring small diameter ring plate 6 with different diameter inner holes, and process and manufacture tapered hole measuring large ring plate 10 with different diameter outer circles and the tapered hole measuring small ring plate 9, the inner holes of the tapered rod measuring large diameter ring plate 5 and the tapered rod measuring small diameter ring plate 6 are all processed into an inner diameter platform part 4 and an inner diameter cone part 3; the inner diameter platform part 4 height 1 mm, the platform is perpendicular to the two ring surfaces, the inner diameter of the large-diameter ring plate 5 measured by the processed cone rod is smaller than the outer diameter of the large end of the measured cone ...

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Abstract

The utility model relates to a method of measuring the taper of a large-scale workpiece with a ring-plate method, comprising the measurement of the taper of the taper rod and the measurement of the taper of the taper hole; wherein, the taper of the taper rod and the taper of the taper hole are figured out by measuring the internal and the external diameters of two ring-plates as well as the distance between the two ring-plates. The utility model has the advantages of high measuring accuracy, little amount of work, small working difficulty, and can be used in the installation and assembly of the large-scale equipment in the fields of petrochemical industry, metallurgy and shipping.

Description

technical field [0001] The invention relates to a method for measuring the taper of a machining workpiece, in particular to a method for measuring the taper of a large workpiece by a ring plate method. Background technique [0002] At present, there are usually two methods for measuring the taper of machined workpieces. The workpiece coloring method is used for batch workpieces, that is, coloring is applied to the cone surface of the workpiece, and it is developed and matched with a standard taper gauge, and the cone gauge and the cone surface of the workpiece are colored degree of visual inspection. A single piece adopts the sine platform measurement method, that is, the workpiece is placed on the measurement platform, and the taper is measured with a sine gauge or a block gauge. The main problem of the above two methods is that the measurement error is large, which largely depends on human factors. The limitations also apply to the measurement of taper on large workpieces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/22
Inventor 柴海林刘昆陈向阳张野兰永久王波
Owner BOHAI SHIP HEAVY IND CO LTD
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