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Cursor ball

A technology of cursor and detection ball, applied in the field of cursor ball, can solve the problems of increasing the manufacturing cost of aircraft tooling, the inability of cursor ball to meet hole position detection, etc., and achieve the effect of strong adaptability

Inactive Publication Date: 2013-12-18
HARBIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the many working aperture specifications of the actual aircraft tooling products, the existing cursor ball cannot meet the hole position detection of many non-standard holes on the aircraft tooling
If a corresponding cursor ball is manufactured for each non-standard hole, the manufacturing cost of the aircraft tooling will be greatly increased

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The diameter of the installation hole of the non-standard size cursor ball on the tooling is φ32.4H7mm, select the standard size cursor ball with the diameter of the installation pin 4 as φ20h7mm, the distance s between the bottom of the left insert groove 7 and the right insert groove 8 =10 -0.015 mm, groove depth b=(20-10)×0.5=5mm for left insert groove 7 and right insert groove 8. The diameter of the circular arc surface where the outer surface 6c of the right insert 6 and the outer surface 5c of the left insert 5 is φ32.4 -0.026 mm, the groove width e=10 of the left insert groove 7 and the right insert groove 8 +0.015 mm. The width dimension of right insert 6 and left insert 5 is 10 -0.015 mm.

Embodiment 2

[0015] The diameter of the installation hole of the non-standard size cursor ball on the tooling is φ22.4H7mm, select the standard size cursor ball with the diameter of the installation pin 4 as φ12h7mm, and the distance between the bottom of the left insert groove 7 and the right insert groove 8 is s =6 -0.012 mm, groove depth b=(12-6)×0.5=3mm for left insert groove 7 and right insert groove 8. The diameter of the arc surface where the outer surface 6c of the right insert 6 and the outer surface 5c of the left insert 5 is φ22.4 -0.021 mm, the groove width e=6 of the left insert groove 7 and the right insert groove 8 +0.012 mm. The width dimension of right insert 6 and left insert 5 is 6 -0.012 mm.

Embodiment 3

[0017] The diameter of the installation hole of the non-standard size cursor ball on the tooling is φ16.4H7mm, select the standard size cursor ball with the diameter of the mounting pin 4 as φ10h7mm, the distance s between the bottom of the left insert groove 7 and the right insert groove 8 =4 -0.012 mm, groove depth b=(10-4)×0.5=3mm for left insert groove 7 and right insert groove 8. The diameter of the circular arc surface where the outer surface 6c of the right insert 6 and the outer surface 5c of the left insert 5 is φ16.4 -0.018 mm, the groove width e=6 of the left insert groove 7 and the right insert groove 8 +0.012 mm. The width dimension of right insert 6 and left insert 5 is 6 -0.012 mm.

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PUM

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Abstract

The invention belongs to airplane tooling manufacturing technologies, and relates to a cursor ball used for detection. The cursor ball comprises a detecting ball [1], a shaft neck[2], a lining disc [3] and a mounting pin shaft [4], and is characterized in that a left embedded lump slot [7] and a right embedded lump slot [8] are arranged on an outer cylindrical surface of the mounting pin shaft [4]; and a left embedded lump [5] and a right embedded lump [6] are respectively embedded in the left embedded lump slot [7] and the right embedded lump slot [8]. The cursor ball can be used for detecting hole sites of standard sizes as well as hole sites of nonstandard holes, and the detection and mounting precision of locating pieces in an airplane tooling and the manufacturing precision of airplane products are improved.

Description

technical field [0001] The invention belongs to the aircraft tooling manufacturing technology, and relates to a cursor ball used for detection. Background technique [0002] In the manufacturing process of aircraft tooling, the cursor ball used for detection is composed of a detection ball, a journal, a liner and a mounting pin. The detection ball is connected to the upper end of the journal, and the lower end of the journal is connected to the center of the upper surface of the liner. The center of the lower surface of the liner is connected to the upper end of the mounting pin, the detection ball, the journal, the liner and the mounting pin are coaxial, and the outer diameter of the liner is greater than that of the mounting pin. Its disadvantage is poor adaptability. The diameter of the mounting pin shaft of the cursor ball is a series standard value, which can only be applied to the detection of several standard size holes. Due to the many working aperture specificatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/00
Inventor 郭忠义孙士海郭子瑞唐宪伟
Owner HARBIN