GB1279241A - Improvements in or relating to machine tools - Google Patents
Improvements in or relating to machine toolsInfo
- Publication number
- GB1279241A GB1279241A GB3592268A GB3592268A GB1279241A GB 1279241 A GB1279241 A GB 1279241A GB 3592268 A GB3592268 A GB 3592268A GB 3592268 A GB3592268 A GB 3592268A GB 1279241 A GB1279241 A GB 1279241A
- Authority
- GB
- United Kingdom
- Prior art keywords
- main spindle
- toolholder
- drive means
- secondary drive
- 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
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/26—Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle
- B23B31/261—Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle clamping the end of the toolholder shank
- B23B31/266—Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle clamping the end of the toolholder shank using a threaded spindle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
1279241 Milling machines; spindles; drilling machines CINCINNATI MILACRON Ltd 4 Sept 1969 [26 July 1968] 35922/68 Headings B3B B3C and B3K A machine tool, e.g. a milling or drilling machine, has a main spindle 11 with drive means 14, and a tool holder 20 having a socket for a cutting tool the toolholder being supported coaxially with the main spindle in bearings 19 which are supported in an annular capsule 23 itself received in a tapered socket 16 of the main spindle 11. Secondary drive means are provided for driving the toolholder at a speed different from that of the main spindle, the secondary drive means comprising a secondary drive shaft 30 supported on bearings 32, 33 within the spindle 11 and driven alternatively in forward or reverse directions by gearing 50, 52, clutch means 57 gears 61, 40 or by gearing 50, 52, 53 further clutch means 57 and gears 62, 40, drive being taken from the main spindle at a gear member 36. Alternatively the secondary drive means for the toolholder may comprise a separate drive source such as a pneumatic, hydraulic or electric motor. The capsule 23 and toolholder 20 form a removable attachment removal of which allows the insertion of a tool in the main spindle 11 in conventional manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3592268A GB1279241A (en) | 1968-07-26 | 1968-07-26 | Improvements in or relating to machine tools |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3592268A GB1279241A (en) | 1968-07-26 | 1968-07-26 | Improvements in or relating to machine tools |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1279241A true GB1279241A (en) | 1972-06-28 |
Family
ID=10383037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3592268A Expired GB1279241A (en) | 1968-07-26 | 1968-07-26 | Improvements in or relating to machine tools |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1279241A (en) |
-
1968
- 1968-07-26 GB GB3592268A patent/GB1279241A/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |