JPS6468601A - Internal diameter measuring instrument - Google Patents
Internal diameter measuring instrumentInfo
- Publication number
- JPS6468601A JPS6468601A JP22599687A JP22599687A JPS6468601A JP S6468601 A JPS6468601 A JP S6468601A JP 22599687 A JP22599687 A JP 22599687A JP 22599687 A JP22599687 A JP 22599687A JP S6468601 A JPS6468601 A JP S6468601A
- Authority
- JP
- Japan
- Prior art keywords
- measuring element
- internal diameter
- measuring
- moving
- end part
- 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
Links
Abstract
PURPOSE:To measure even a different internal diameter by expanding or contracting tip parts of measurement arms which abut on the conic part of one end of a moving shaft by moving the moving shaft axially by a moving means. CONSTITUTION:An internal measuring means 60 is equipped with a measuring element 61 and a differential transformer 63 coupled with the means 61 through a measuring element joint 62, and converts the linear displacement quantity of the measuring element 61 into the quantity of electricity to measure the internal diameter. A contact sphere 61a is provided on one end of the measuring element 61 and projects slightly from outside the lower end part 35 of a measurement arm 30 to contact the peripheral surface of the hole A1 of a body A to be measured. The differential transformer 63 consists of a core 63a coupled with the other end of the measuring element 61 through a measuring element joint 62 and a coil 63b provided on the lower end part 35 of the measurement arm 30, and a spring 66 is provided between it and a spring seat 65 provided on the lower end part 35 and energizes the measuring element 61 outward at all times, so that the internal measuring means 60 measures the internal diameter with high accuracy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22599687A JPS6468601A (en) | 1987-09-09 | 1987-09-09 | Internal diameter measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22599687A JPS6468601A (en) | 1987-09-09 | 1987-09-09 | Internal diameter measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6468601A true JPS6468601A (en) | 1989-03-14 |
Family
ID=16838159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22599687A Pending JPS6468601A (en) | 1987-09-09 | 1987-09-09 | Internal diameter measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6468601A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008514942A (en) * | 2004-10-01 | 2008-05-08 | マーポス、ソチエタ、ペル、アツィオーニ | Inspection device for size and / or shape of machine parts |
| JP2010019706A (en) * | 2008-07-10 | 2010-01-28 | Toyota Motor Corp | Inner diameter measuring device |
| JP2015031537A (en) * | 2013-07-31 | 2015-02-16 | 本田技研工業株式会社 | Measuring method and measuring apparatus for incomplete round bore shape |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4717021U (en) * | 1971-03-30 | 1972-10-27 | ||
| JPS6025905B2 (en) * | 1976-11-16 | 1985-06-20 | 株式会社東芝 | semiconductor equipment |
-
1987
- 1987-09-09 JP JP22599687A patent/JPS6468601A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4717021U (en) * | 1971-03-30 | 1972-10-27 | ||
| JPS6025905B2 (en) * | 1976-11-16 | 1985-06-20 | 株式会社東芝 | semiconductor equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008514942A (en) * | 2004-10-01 | 2008-05-08 | マーポス、ソチエタ、ペル、アツィオーニ | Inspection device for size and / or shape of machine parts |
| JP2010019706A (en) * | 2008-07-10 | 2010-01-28 | Toyota Motor Corp | Inner diameter measuring device |
| JP2015031537A (en) * | 2013-07-31 | 2015-02-16 | 本田技研工業株式会社 | Measuring method and measuring apparatus for incomplete round bore shape |
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