JPS5682165A - Method for judging life of abrasive belt - Google Patents

Method for judging life of abrasive belt

Info

Publication number
JPS5682165A
JPS5682165A JP15434579A JP15434579A JPS5682165A JP S5682165 A JPS5682165 A JP S5682165A JP 15434579 A JP15434579 A JP 15434579A JP 15434579 A JP15434579 A JP 15434579A JP S5682165 A JPS5682165 A JP S5682165A
Authority
JP
Japan
Prior art keywords
average value
life
angles
point
machined
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
JP15434579A
Other languages
Japanese (ja)
Inventor
Takao Nakamura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15434579A priority Critical patent/JPS5682165A/en
Publication of JPS5682165A publication Critical patent/JPS5682165A/en
Pending legal-status Critical Current

Links

Landscapes

  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

PURPOSE:To obtain a judging method corresponding to the functional evaluation of works as a method for judging the life of abrasive belts used for machining the design patterns of aluminum plates, etc., by measuring the tip angles of abrasive grains from the opening angles of the troughs of machined scars and processing them statistically. CONSTITUTION:A stylus 8 is slid on a machined surface 10 in a direction perpendicular to its ground direction to detect the cross-sectional forms of machined scars, and by inputting the obtained data to a microcomputer 6 via an A/D converter 5 and executing arithmetic processing there, the average value of, for example, the left side angles of troughs, thetaj, thetaj+1... is obtained. Since the average value of the tip angles of working abrasive grains can be obtained by subtracting this average value from 180, a point where this average value becomes below a certain value is the point where the tip angels of working abrasive grains becomes above a certain value. Therefore, by regarding this point as the life of abrasive belts, it is enabled to correspond accurately with the funtional evaluation thereof, in addition, its life can easily be judged.
JP15434579A 1979-11-30 1979-11-30 Method for judging life of abrasive belt Pending JPS5682165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15434579A JPS5682165A (en) 1979-11-30 1979-11-30 Method for judging life of abrasive belt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15434579A JPS5682165A (en) 1979-11-30 1979-11-30 Method for judging life of abrasive belt

Publications (1)

Publication Number Publication Date
JPS5682165A true JPS5682165A (en) 1981-07-04

Family

ID=15582119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15434579A Pending JPS5682165A (en) 1979-11-30 1979-11-30 Method for judging life of abrasive belt

Country Status (1)

Country Link
JP (1) JPS5682165A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04101100U (en) * 1991-02-06 1992-09-01 澄宏 長谷川 Gas cylinder holding device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5091895A (en) * 1973-12-19 1975-07-22
JPS521307A (en) * 1975-06-24 1977-01-07 Nissan Motor Co Ltd Gas engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5091895A (en) * 1973-12-19 1975-07-22
JPS521307A (en) * 1975-06-24 1977-01-07 Nissan Motor Co Ltd Gas engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04101100U (en) * 1991-02-06 1992-09-01 澄宏 長谷川 Gas cylinder holding device

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