IT1130760B - Workpiece support used in energy beam machining - Google Patents
Workpiece support used in energy beam machiningInfo
- Publication number
- IT1130760B IT1130760B IT22317/80A IT2231780A IT1130760B IT 1130760 B IT1130760 B IT 1130760B IT 22317/80 A IT22317/80 A IT 22317/80A IT 2231780 A IT2231780 A IT 2231780A IT 1130760 B IT1130760 B IT 1130760B
- Authority
- IT
- Italy
- Prior art keywords
- hole
- support
- energy beam
- machining
- workpiece support
- Prior art date
Links
- 238000003754 machining Methods 0.000 title abstract 3
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010894 electron beam technology Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
Abstract
A support for a workpiece, in which a hole is to be machined by an energy beam, consists of grains (or particles) binded together by a binder which is evaporated by the beam and partially transforms into a liquid after machining. The grains absorb heat and vapours when contacted by the beam. The compsn. of the support is chosen to ensure absorption of the beam and creation of an amt. of gas sufficient to expel molten metal from the hole and reduce formation of burrs and resolidified layers in the hole. The support is useful in the electron beam machining of holes, slots, etc. in (non)metallic workpieces, e.g. to form a hole in one wall of a hollow gas turbine engine blade.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/968,594 US4239954A (en) | 1978-12-11 | 1978-12-11 | Backer for electron beam hole drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8022317A0 IT8022317A0 (en) | 1980-05-26 |
| IT1130760B true IT1130760B (en) | 1986-06-18 |
Family
ID=26066328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT22317/80A IT1130760B (en) | 1978-12-11 | 1980-05-26 | Workpiece support used in energy beam machining |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS579590A (en) |
| DK (1) | DK206180A (en) |
| IL (1) | IL60092A (en) |
| IT (1) | IT1130760B (en) |
| NO (1) | NO801432L (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070175872A1 (en) * | 2006-01-27 | 2007-08-02 | Rhoades Lawrence J | Laser back wall protection by particulate shading |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156807A (en) * | 1978-03-24 | 1979-05-29 | United Technologies Corporation | Method for preventing burr formation during electron beam drilling |
-
1980
- 1980-05-12 DK DK206180A patent/DK206180A/en not_active Application Discontinuation
- 1980-05-14 NO NO801432A patent/NO801432L/en unknown
- 1980-05-16 IL IL60092A patent/IL60092A/en unknown
- 1980-05-23 JP JP6952380A patent/JPS579590A/en active Pending
- 1980-05-26 IT IT22317/80A patent/IT1130760B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DK206180A (en) | 1981-11-13 |
| IL60092A0 (en) | 1980-07-31 |
| IT8022317A0 (en) | 1980-05-26 |
| JPS579590A (en) | 1982-01-19 |
| NO801432L (en) | 1981-11-16 |
| IL60092A (en) | 1982-09-30 |
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