DE234273C - - Google Patents
Info
- Publication number
- DE234273C DE234273C DENDAT234273D DE234273DA DE234273C DE 234273 C DE234273 C DE 234273C DE NDAT234273 D DENDAT234273 D DE NDAT234273D DE 234273D A DE234273D A DE 234273DA DE 234273 C DE234273 C DE 234273C
- Authority
- DE
- Germany
- Prior art keywords
- weight
- bending moments
- support bearings
- drilling
- drilling shaft
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims 3
- 238000005452 bending Methods 0.000 claims 2
- 238000007665 sagging Methods 0.000 claims 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/02—Boring bars
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE234273C true DE234273C (ro) |
Family
ID=494141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT234273D Active DE234273C (ro) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE234273C (ro) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2432943A (en) * | 1943-07-08 | 1947-12-16 | Pedrick Tool & Machine Company | Boring mill and mechanism to oppose sag in the tool bars thereof |
| US3131584A (en) * | 1961-05-01 | 1964-05-05 | Giddings & Lewis | Horizontal boring machine |
-
0
- DE DENDAT234273D patent/DE234273C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2432943A (en) * | 1943-07-08 | 1947-12-16 | Pedrick Tool & Machine Company | Boring mill and mechanism to oppose sag in the tool bars thereof |
| US3131584A (en) * | 1961-05-01 | 1964-05-05 | Giddings & Lewis | Horizontal boring machine |
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