RO116536B1 - Process and device for centre marking circular part surfaces - Google Patents
Process and device for centre marking circular part surfacesInfo
- Publication number
- RO116536B1 RO116536B1 RO96-00746A RO9600746A RO116536B1 RO 116536 B1 RO116536 B1 RO 116536B1 RO 9600746 A RO9600746 A RO 9600746A RO 116536 B1 RO116536 B1 RO 116536B1
- Authority
- RO
- Romania
- Prior art keywords
- centre
- slider
- arms
- contact
- process comprises
- Prior art date
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a process and device for centre marking the circular part surfaces, particularly the front sufaces of shafts in the machine building industry. The centre marking process comprises a first step wherein two line segments perpendicular to each other are made to contact the outer surface of the part, there resulting two tangent points. Two feelers which are also in contact with the outer surface of the part are symmetrically located on both sides of each tangent point so that two chords result. An imaginary line is drawn perpendicularly to the midpoint of each chord, said lines coinciding with two diameters perpendicular to each other, the intersection point thereof coinciding with the centre of the circular surface to be marked on the part. The device for applying the process comprises a frame (1) with two arms (a and b) forming an angle of 90° therebetween, a slide (2) gliding along each of said arms. Two sensing bolts (3) provided with a ruler (5) equally spaced therebetween, integral with a slider (2) and provided with a groove (c), are fastened on each slider (2). A sliding support (6) with a bushing guide (7) of a punch (8) is movable along one of the rulers (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO96-00746A RO116536B1 (en) | 1996-04-08 | 1996-04-08 | Process and device for centre marking circular part surfaces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO96-00746A RO116536B1 (en) | 1996-04-08 | 1996-04-08 | Process and device for centre marking circular part surfaces |
Publications (1)
Publication Number | Publication Date |
---|---|
RO116536B1 true RO116536B1 (en) | 2001-03-30 |
Family
ID=64360868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO96-00746A RO116536B1 (en) | 1996-04-08 | 1996-04-08 | Process and device for centre marking circular part surfaces |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO116536B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109176416A (en) * | 2018-09-27 | 2019-01-11 | 北海智联投资有限公司 | A kind of more specification expansion bolt positional punch devices of column |
-
1996
- 1996-04-08 RO RO96-00746A patent/RO116536B1/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109176416A (en) * | 2018-09-27 | 2019-01-11 | 北海智联投资有限公司 | A kind of more specification expansion bolt positional punch devices of column |
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