KR910004151B1 - Diameter checking machine - Google Patents

Diameter checking machine

Info

Publication number
KR910004151B1
KR910004151B1 KR8810949A KR880010949A KR910004151B1 KR 910004151 B1 KR910004151 B1 KR 910004151B1 KR 8810949 A KR8810949 A KR 8810949A KR 880010949 A KR880010949 A KR 880010949A KR 910004151 B1 KR910004151 B1 KR 910004151B1
Authority
KR
South Korea
Prior art keywords
lens
scanning
polygon mirror
reflected
scanning lens
Prior art date
Application number
KR8810949A
Other languages
Korean (ko)
Other versions
KR900003615A (en
Inventor
Sang-Hun Lee
Original Assignee
Daehan Electric Wire Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daehan Electric Wire Co Ltd filed Critical Daehan Electric Wire Co Ltd
Priority to KR8810949A priority Critical patent/KR910004151B1/en
Publication of KR900003615A publication Critical patent/KR900003615A/en
Application granted granted Critical
Publication of KR910004151B1 publication Critical patent/KR910004151B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

The method using parallel beams, obtains a wide range of measuring value accurately. After beam from laser gun is reflected at the rotary polygon mirror, is passed through a scanning lens and a condensing lens sequently, and is connected to light receiving element, the signal generated from the element, is transmitted to a controller through a edge detecting circuit; and outer diameter of the object between two lenses is measured. The scanning system comprises optical system (8) for passing beam, rotary polygon mirror (2) for collecting and reflecting beam, scanning lens (3) for convering the reflected beam to parallel beam from scanning lens (3) to condensing lens (4).
KR8810949A 1988-08-27 1988-08-27 Diameter checking machine KR910004151B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR8810949A KR910004151B1 (en) 1988-08-27 1988-08-27 Diameter checking machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR8810949A KR910004151B1 (en) 1988-08-27 1988-08-27 Diameter checking machine

Publications (2)

Publication Number Publication Date
KR900003615A KR900003615A (en) 1990-03-26
KR910004151B1 true KR910004151B1 (en) 1991-06-22

Family

ID=19277187

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8810949A KR910004151B1 (en) 1988-08-27 1988-08-27 Diameter checking machine

Country Status (1)

Country Link
KR (1) KR910004151B1 (en)

Also Published As

Publication number Publication date
KR900003615A (en) 1990-03-26

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Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20070622

Year of fee payment: 17

LAPS Lapse due to unpaid annual fee