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Measurement light cone

A technology for measuring light and cones, applied in the field of measuring light cones, which can solve the problems of increasing the uncertainty of the measurement results, reducing the accuracy, repeatability and reliability of the measurement, and difficult to clamp and locate.

Active Publication Date: 2015-05-13
SHENYANG AIRCRAFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even so, the characteristics of rubber seals such as low rigidity and difficulty in clamping and positioning still greatly reduce the accuracy, repeatability and reliability of the measurement, and greatly increase the uncertainty of the measurement results

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Such as figure 1 As shown, a measuring light cone is provided with a frustum 2 above the cylindrical pillar 1, and the cylindrical pillar 1 and the frustum 2 are integrally structured, and its material is optical glass; wherein the upper surface of the frustum 2 The diameter D1=7mm, the diameter of the lower surface D2=74mm, the height of the vertebral body is 58mm, the roundness of the side surface is 0.01mm, based on the cylindrical pillar, the side runout of the cone is 0.02mm, and the side surface roughness Ra is 0.4μm; The diameter D3 of the cylindrical pillar 1 is 35 mm, the height is 35 mm, and the side surface roughness Ra is 1.6 μm.

Embodiment 2

[0016] Except that the upper surface diameter D1=70mm of the frustum of conical body 2, the lower surface diameter D2=138mm, and the diameter D3=50mm of the cylindrical pillar 1, the rest of the structure is the same as the first embodiment.

Embodiment 3

[0018] Except that the diameter D1 of the upper surface of the truncated conical body 2 is 134 mm, the diameter of the lower surface is D2 = 200 mm, and the diameter of the cylindrical pillar 1 is D3 = 60 mm, the rest of the structure is the same as that of the first embodiment.

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Abstract

The invention relates to a measurement light cone. A circular truncated cone body is arranged above a cylindrical pillar, the cylindrical pillar and the circular truncated cone body are of an integrated structure and are made of optical glass, wherein the diameter of the upper surface of the circular truncated cone body D1 is 7-196mm; the diameter of the lower surface of the circular truncated cone body D2 is 74-264mm; the height of the circular truncated cone body is 58mm; the roundness of the side surface is 0.01mm; based on the cylindrical pillar, the jerk value of the side surface of a cone is 0.02mm, the roughness Ra of the side surface is 0.4 mum; the diameter D3 of the cylindrical pillar (1) is 35-70mm; the height of the cylindrical pillar (1) is 35mm; and the roughness Ra of the side surface is 1.6 mum. When the measurement light cone is applied to OMS1000 type optical image measurement instruments, a rubber seal ring can be measured through a non-contact measurement mode, measurement accuracy and good repeatability and reliability can be guaranteed.

Description

technical field [0001] The invention relates to a measuring light cone, which is mainly used for detecting the inner and outer diameters of various rubber sealing rings. Background technique [0002] Due to the characteristics of easy deformation, the rubber sealing ring is not suitable for the contact measurement method with force measurement, but suitable for the non-contact measurement method. The advanced laser image non-contact measurement technology is the technical basis for the rubber sealing ring detection. Even so, the characteristics of the rubber seal itself such as low stiffness and difficulty in clamping and positioning still greatly reduce the accuracy, repeatability and reliability of the measurement, and greatly increase the uncertainty of the measurement results. OMS1000 optical image measuring instrument adopts the principle of non-contact measurement. On the premise that the workbench is made of optical glass, its special optical lens, light source struct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/08G01B11/12
Inventor 关月郭丹
Owner SHENYANG AIRCRAFT CORP
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