GB777283A - Improvements in expanding tool holders for boring bars and the like - Google Patents
Improvements in expanding tool holders for boring bars and the likeInfo
- Publication number
- GB777283A GB777283A GB7360/55A GB736055A GB777283A GB 777283 A GB777283 A GB 777283A GB 7360/55 A GB7360/55 A GB 7360/55A GB 736055 A GB736055 A GB 736055A GB 777283 A GB777283 A GB 777283A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clamping
- adjusting
- sleeve
- conical
- screwed
- 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
- B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
- B23B29/03407—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of screws and nuts
-
- 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
- B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
- B23B29/03407—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of screws and nuts
- B23B29/0341—Cartridges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
777,283. Cutter-bars. WINTER, W. March 14, 1955, No. 7360/55. Class 83 (3). An expanding tool-holder for cutter heads and boring- bars comprises a conical clamp-sleeve and a clamping- means serving to expand the sleeve into engagement with a housing and in screwed engagement with the toolshank of conical form, and is characterized in that the clamping means comprises a clamping - cone operatively associated with adjusting- means in screwed engagement with an internal thread of the housing, said clamping- cone engaging a first coned section of the clamp-sleeve, while a second coned-section thereof is engaged by the conical part of the toolshank, and that both the clamping-means and the adjusting-means are engageable by separate key-means. The tool 1 has part of the shank of conical form and the remainder 9 is screwed. A split clamping-sleeve 3 is interposed between the tool and the housing 2a in a boring-bar &c. 2. The conical part of the tool-shank engages a similar part in the sleeve and is drawn into the latter by a screwed clamping-member 5. This member has a conical expander-part 4 which may be integral with or secured to it. An adjusting-member 6 is located between a shoulder 5b on the clamping-member and the expander-part and is screwed externally to engage the threads 2b on the interior of the housing. Both the clamping- and the adjusting-members have slots in their outwardlyfacing ends to engage adjusting keys. The two forms of key required to make the adjustments may be provided on the opposite ends of a bent rod, but a combination tool comprising an inner member 8 and an outer sleeve 7 may be employed. A modified adjusting-means comprises an adjusting-nut with internal and external threads of different pitch to give a differential action.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH206240D CH206240A (en) | 1938-02-19 | 1938-02-19 | Device for setting and holding a diamond setting which is inserted in a transverse bore which is located in a drill rod or a similar tool holder. |
BE426920D BE426920A (en) | 1938-02-19 | 1938-03-12 | |
FR835378D FR835378A (en) | 1938-02-19 | 1938-03-17 | Device for adjusting the diamond of diamond-tipped tools for boring bars and similar tool holders |
NL87967A NL54836C (en) | 1938-02-19 | 1938-05-23 | |
GB7360/55A GB777283A (en) | 1938-02-19 | 1955-03-14 | Improvements in expanding tool holders for boring bars and the like |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH206240T | 1938-02-19 | ||
BE426920T | 1938-03-12 | ||
FR835378T | 1938-03-17 | ||
NL87967A NL54836C (en) | 1938-02-19 | 1938-05-23 | |
GB7360/55A GB777283A (en) | 1938-02-19 | 1955-03-14 | Improvements in expanding tool holders for boring bars and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB777283A true GB777283A (en) | 1957-06-19 |
Family
ID=9831619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7360/55A Expired GB777283A (en) | 1938-02-19 | 1955-03-14 | Improvements in expanding tool holders for boring bars and the like |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE426920A (en) |
CH (1) | CH206240A (en) |
FR (1) | FR835378A (en) |
GB (1) | GB777283A (en) |
NL (1) | NL54836C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113290262A (en) * | 2021-06-07 | 2021-08-24 | 山东华宇工学院 | Numerical control large-diameter deep hole semi-fine boring head device |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1008083B (en) * | 1954-12-02 | 1957-05-09 | Winter & Sohn Ernst | Spread socket |
US2862286A (en) * | 1955-06-10 | 1958-12-02 | O K Tool Co Inc | Tool and tool holder |
US2913935A (en) * | 1955-06-27 | 1959-11-24 | Flannery And Leonard W Kuttler | Tool holder |
US4878787A (en) * | 1988-10-17 | 1989-11-07 | Gte Valenite Corporation | Coarse/fine adjustment boring head |
TWI357364B (en) * | 2005-04-26 | 2012-02-01 | Kaiser Heinz Ag | Boring tool |
-
1938
- 1938-02-19 CH CH206240D patent/CH206240A/en unknown
- 1938-03-12 BE BE426920D patent/BE426920A/xx unknown
- 1938-03-17 FR FR835378D patent/FR835378A/en not_active Expired
- 1938-05-23 NL NL87967A patent/NL54836C/xx active
-
1955
- 1955-03-14 GB GB7360/55A patent/GB777283A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113290262A (en) * | 2021-06-07 | 2021-08-24 | 山东华宇工学院 | Numerical control large-diameter deep hole semi-fine boring head device |
Also Published As
Publication number | Publication date |
---|---|
FR835378A (en) | 1938-12-20 |
BE426920A (en) | 1938-04-30 |
NL54836C (en) | 1943-07-15 |
CH206240A (en) | 1939-07-31 |
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