JPS559132A - Method of detecting angular error at measuring needle point in measuring circle or arc, etc. - Google Patents

Method of detecting angular error at measuring needle point in measuring circle or arc, etc.

Info

Publication number
JPS559132A
JPS559132A JP8193778A JP8193778A JPS559132A JP S559132 A JPS559132 A JP S559132A JP 8193778 A JP8193778 A JP 8193778A JP 8193778 A JP8193778 A JP 8193778A JP S559132 A JPS559132 A JP S559132A
Authority
JP
Japan
Prior art keywords
measured
circle
arc
measuring
angular error
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP8193778A
Other languages
Japanese (ja)
Other versions
JPS6130681B2 (en
Inventor
Yukiyoshi Okazaki
Kunio Tokano
Chuichi Sato
Kenichi Tagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK 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 NSK Ltd filed Critical NSK Ltd
Priority to JP8193778A priority Critical patent/JPS559132A/en
Publication of JPS559132A publication Critical patent/JPS559132A/en
Publication of JPS6130681B2 publication Critical patent/JPS6130681B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

PURPOSE: To accurately measure circle or arc, etc., even when twist or tilt exists at the measuring needle, by detecting the location difference of the measuring needle and the object to be measured as angular error.
CONSTITUTION: When the object to be measured (circle or arc, etc.) placed on the XY table 5 is measured by the needle 21 of the slide 3, by rotating radial direction slide 3 for one turn together with the spindle 1 provided with rotary encoder 4, separation distance ΔR from radius r of the reference circle is determined by the micro-measurer 2. Employing the method of multi-point measurement, a) distance b which is the distance between 0o and the center 0 of the slide 3 (wherein difference between the max. value and the min. value becomes minimum) and, b) angle γ which is the angle made by the line 0o.0 connecting the centers of the two circles, are obtained by calculation, and when the table 5 is displaced in accordance with the obtained data, center of the guide 3 coincides with the center of the object to be measured. Next, table 5 is displaced along the Y axis for a predetermined distance and 0o0, etc., and A1 (surface of the object to be measured after displacement) is measured, then, the tilt of the measuring needle 21 and the angular error Δθ caused by the twist, are obtained and the measured value of the circle or arc, etc., is compensated with accuracy.
COPYRIGHT: (C)1980,JPO&Japio
JP8193778A 1978-07-07 1978-07-07 Method of detecting angular error at measuring needle point in measuring circle or arc, etc. Granted JPS559132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8193778A JPS559132A (en) 1978-07-07 1978-07-07 Method of detecting angular error at measuring needle point in measuring circle or arc, etc.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8193778A JPS559132A (en) 1978-07-07 1978-07-07 Method of detecting angular error at measuring needle point in measuring circle or arc, etc.

Publications (2)

Publication Number Publication Date
JPS559132A true JPS559132A (en) 1980-01-23
JPS6130681B2 JPS6130681B2 (en) 1986-07-15

Family

ID=13760392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8193778A Granted JPS559132A (en) 1978-07-07 1978-07-07 Method of detecting angular error at measuring needle point in measuring circle or arc, etc.

Country Status (1)

Country Link
JP (1) JPS559132A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142201A (en) * 1983-12-29 1985-07-27 Koyo Seiko Co Ltd Measuring device for diameter of thin ring
JPS61219812A (en) * 1985-03-27 1986-09-30 Agency Of Ind Science & Technol Measuring apparatus having prove for measuring roundness
JPS62222115A (en) * 1986-03-25 1987-09-30 Hitachi Seiki Co Ltd Roundness shape analysis device
JP2012154942A (en) * 2012-04-06 2012-08-16 Tokyo Seimitsu Co Ltd Core deviation amount calculation method in roundness measuring apparatus
JP2014006202A (en) * 2012-06-26 2014-01-16 Ulvac Japan Ltd Origin coordinate correcting method
JP2014130154A (en) * 2014-02-18 2014-07-10 Tokyo Seimitsu Co Ltd Misalignment amount calculation method in circularity measurement device
US8949071B2 (en) 2011-01-13 2015-02-03 Tokyo Seimitsu Co., Ltd. Circularity measuring apparatus and measurement value correcting method for circularity measuring method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142201A (en) * 1983-12-29 1985-07-27 Koyo Seiko Co Ltd Measuring device for diameter of thin ring
JPS61219812A (en) * 1985-03-27 1986-09-30 Agency Of Ind Science & Technol Measuring apparatus having prove for measuring roundness
JPS62222115A (en) * 1986-03-25 1987-09-30 Hitachi Seiki Co Ltd Roundness shape analysis device
US8949071B2 (en) 2011-01-13 2015-02-03 Tokyo Seimitsu Co., Ltd. Circularity measuring apparatus and measurement value correcting method for circularity measuring method
JP2012154942A (en) * 2012-04-06 2012-08-16 Tokyo Seimitsu Co Ltd Core deviation amount calculation method in roundness measuring apparatus
JP2014006202A (en) * 2012-06-26 2014-01-16 Ulvac Japan Ltd Origin coordinate correcting method
JP2014130154A (en) * 2014-02-18 2014-07-10 Tokyo Seimitsu Co Ltd Misalignment amount calculation method in circularity measurement device

Also Published As

Publication number Publication date
JPS6130681B2 (en) 1986-07-15

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