GB560119A - Improvements relating to rotary boring heads - Google Patents
Improvements relating to rotary boring headsInfo
- Publication number
- GB560119A GB560119A GB1308742A GB1308742A GB560119A GB 560119 A GB560119 A GB 560119A GB 1308742 A GB1308742 A GB 1308742A GB 1308742 A GB1308742 A GB 1308742A GB 560119 A GB560119 A GB 560119A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sleeve
- head
- cap
- slide
- tool
- 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.)
- Expired
Links
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
- B23B29/03—Boring heads
- B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
- B23B29/03432—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable during manufacturing
- B23B29/03467—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable during manufacturing by means of gears and racks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
560,119. Rotary boring-heads. BOOTH, C. M., and BROWN & BROS. Ltd., G. Sept. 16, 1942, No. 13087. [Class 83 (iii)] Rotary boring-heads of the type in which the tool-holder in the form of a slide is traversable transversely of the head during the rotation thereof have the motion transmitted by means such as racks and pinions. The head has a shank 1, body 3 and head 2 which are either integral or rigidly connected. A sleeve 6 surrounds the body 3 leaving an annular space 5 for the operating mechanism. The tool-slide 14 moves in transverse diametral ways and carries on its rear face rack teeth meshing with a long pinion 17 mounted in a bore in the head 2 and journalled in screwed plugs 19, 20 that close the bore. Bores 23, 24 parallel to the axis house rack rods 21, 22 carried by a sleeve 25 traversed through ball thrust bearings by a flanged sleeve 28 screwed into the sleeve 5 and connected by pins 29 to rotate with a cap 6 closing the end of the sleeve 4, which is mounted in ball bearings 8, 9, 10 and on a roller bearing 13. The cap is clamped to the sleeve at 38, and the flange of the cap and the sleeve 4 may have co-operating graduations to assist in making an adjustment, which may be done whilst the head is in action by grasping the sleeve 4 to bring it to rest and then releasing the clamp 38 and turning the cap 6. In a modification the rack rods 21, 22 are replaced by quick pitch screws engaging corresponding bores in pinions engaging racks connected directly to the tool-slide.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1308742A GB560119A (en) | 1942-09-16 | 1942-09-16 | Improvements relating to rotary boring heads |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1308742A GB560119A (en) | 1942-09-16 | 1942-09-16 | Improvements relating to rotary boring heads |
Publications (1)
Publication Number | Publication Date |
---|---|
GB560119A true GB560119A (en) | 1944-03-21 |
Family
ID=10016591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1308742A Expired GB560119A (en) | 1942-09-16 | 1942-09-16 | Improvements relating to rotary boring heads |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB560119A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2204513A (en) * | 1987-05-11 | 1988-11-16 | Amca Int Corp | Adjustable boring tool |
US4847975A (en) * | 1987-05-11 | 1989-07-18 | Amca International Corporation | Boring tool for machine tool |
-
1942
- 1942-09-16 GB GB1308742A patent/GB560119A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2204513A (en) * | 1987-05-11 | 1988-11-16 | Amca Int Corp | Adjustable boring tool |
US4847975A (en) * | 1987-05-11 | 1989-07-18 | Amca International Corporation | Boring tool for machine tool |
GB2204513B (en) * | 1987-05-11 | 1991-09-04 | Amca Int Corp | A boring tool for a machine tool. |
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