JPS57208401A - Method for measuring contour degree of spherical surface of mirror plate - Google Patents

Method for measuring contour degree of spherical surface of mirror plate

Info

Publication number
JPS57208401A
JPS57208401A JP9404181A JP9404181A JPS57208401A JP S57208401 A JPS57208401 A JP S57208401A JP 9404181 A JP9404181 A JP 9404181A JP 9404181 A JP9404181 A JP 9404181A JP S57208401 A JPS57208401 A JP S57208401A
Authority
JP
Japan
Prior art keywords
spherical surface
mirror plate
spindle
ideal
dial gage
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.)
Pending
Application number
JP9404181A
Other languages
Japanese (ja)
Inventor
Tomoshige Shimada
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9404181A priority Critical patent/JPS57208401A/en
Publication of JPS57208401A publication Critical patent/JPS57208401A/en
Pending legal-status Critical Current

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
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
    • G01B5/22—Spherometers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

PURPOSE:To measure the contour degree of the spherical surface of the mirror plate accurately by imparting movement along the ideal curved surface to a dial gage attached to an NC macnine, and measuring the error with respect to the spherical surface to be measured. CONSTITUTION:The vovements in three axes (X, Y, and Z) are digitally indicated. As for a mechanical apparatus, the Nc macnine which is driven by NC tape is used. The mirror plate to be measured 1 is set on the center of the same axis of a rotary table 3. The standard type dial gage 4 is fixed to a spindle (the Z axis). At first, the center of the spherical surface of the mirror plate 1 is aligned with the conter of the same axis of the spindle, and said position is made to be the original poit. The movement along the ideal spherical surface is imparted to the spindle, and the scale of the dial gage is read at each measuring point. The error with respect to the ideal spherical surface is obtained from this value.
JP9404181A 1981-06-19 1981-06-19 Method for measuring contour degree of spherical surface of mirror plate Pending JPS57208401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9404181A JPS57208401A (en) 1981-06-19 1981-06-19 Method for measuring contour degree of spherical surface of mirror plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9404181A JPS57208401A (en) 1981-06-19 1981-06-19 Method for measuring contour degree of spherical surface of mirror plate

Publications (1)

Publication Number Publication Date
JPS57208401A true JPS57208401A (en) 1982-12-21

Family

ID=14099478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9404181A Pending JPS57208401A (en) 1981-06-19 1981-06-19 Method for measuring contour degree of spherical surface of mirror plate

Country Status (1)

Country Link
JP (1) JPS57208401A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102486371A (en) * 2010-12-03 2012-06-06 沈阳黎明航空发动机(集团)有限责任公司 Measuring and calculating method of profile line part without datum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102486371A (en) * 2010-12-03 2012-06-06 沈阳黎明航空发动机(集团)有限责任公司 Measuring and calculating method of profile line part without datum

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