Check patentability & draft patents in minutes with Patsnap Eureka AI!

Inner diameter measurement method and device

A measuring method and technology of measuring device, applied in measuring device, mechanical diameter measurement, using fluid device, etc., can solve the problems of detection result, measurement value deviation, different back pressure value, etc., and achieve the effect of accurate measurement

Inactive Publication Date: 2003-04-02
TOKYO SEIMITSU
View PDF1 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when using this method to measure many workpieces at a time, if there is a difference in the length of each workpiece, the back pressure value will be different even for workpieces with the same inner diameter. Bias such a disadvantage

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Inner diameter measurement method and device
  • Inner diameter measurement method and device
  • Inner diameter measurement method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] Embodiment of the invention

[0021] Hereinafter, an ideal embodiment of the inner diameter measuring method and its device according to the present invention will be described in detail with reference to the accompanying drawings.

[0022] figure 1 It is an overall schematic diagram showing an embodiment of the inner diameter measuring device related to the present invention. As shown in the figure, the inner diameter measuring device 10 in this embodiment is composed of a feeding part 12, a transport part 14, a measuring part 16, a recovery part 18, a calibrator storage part 20 and a control part (not shown).

[0023] The inner diameter measuring device 10 measures the inner diameter of the workpiece W, and recovers the workpieces W according to the measurement result. The workpiece W to be measured is a ferrule of an optical connector component. As shown in the figure, the sleeve is made into a very small cylindrical shape with an outer diameter D=2.5mm, an inner ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The inside diameter measuring method and apparatus are capable of making accurate measurement. In the inside diameter measuring method of measuring an inside diameter of a cylindrical work by supplying compressed air from one end of the work and by detecting a back pressure of the compressed air, a correction amount of measured value of the inside diameter according to a length of the work is obtained in advance by determining a change of measured value of the inside diameter with respect to a change of the length of the work, whereby the measured value of the inside diameter is corrected according to the length of the work. Thereby, even in the case where a plurality of works having a different length are measured, accurate measurement can always be made.

Description

technical field [0001] The invention relates to an inner diameter measuring method and a device thereof, in particular to an inner diameter measuring method and a device thereof for measuring the inner diameter of tiny cylindrical workpieces such as sleeve pipes or injection ports. Background technique [0002] It turns out that when measuring the inner diameter of a small cylindrical workpiece such as a casing, the measurer inserts a rod gauge of a certain size into the inner hole of the workpiece for measurement. However, measurement using bar gauges requires a measurer to measure workpieces one by one by hand, which has the disadvantage of requiring a lot of labor. In addition, due to the manual operation, there is a disadvantage of lack of accuracy. [0003] Therefore, in Japanese Patent Application No. 2001-40669, the present applicant proposed a method of inputting compressed air into the inner hole of the workpiece and measuring the inner diameter of the workpiece by...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01B5/12G01B13/10
CPCG01B13/10G01B5/12
Inventor 待鸟秀树
Owner TOKYO SEIMITSU
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com