GB864643A - Improvements relating to cam-operated copy-turning apparatus - Google Patents
Improvements relating to cam-operated copy-turning apparatusInfo
- Publication number
- GB864643A GB864643A GB220457A GB220457A GB864643A GB 864643 A GB864643 A GB 864643A GB 220457 A GB220457 A GB 220457A GB 220457 A GB220457 A GB 220457A GB 864643 A GB864643 A GB 864643A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cam
- piston
- movement
- copying
- operated
- 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
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
- B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
- B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
- B23Q35/18—Means for transforming movement of the feeler or the like into feed movement of tool or work involving fluid means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2735/00—Control systems or devices for copying from a pattern or master model
- B23Q2735/02—Means for transforming movement of the feeler into feed movement of tool or work
- B23Q2735/08—Means for transforming movement of the feeler into feed movement of tool or work involving fluid means
- B23Q2735/082—Means for transforming movement of the feeler into feed movement of tool or work involving fluid means in a lathe
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
864,643. Copying-lathes. ROLLS-ROYCE Ltd. April 18, 1958 [Jan. 21, 1957], No. 2204/57. Addition to 749,006. Class 83 (3). The apparatus described in the parent Specification is modified in that the cam and follower means for producing the root or shroud portion of a turbine blade operate through an hydraulic servo or copying means instead of directly. A diagrammatic representation, Fig. 1, shows the tool 25 arranged for a transverse first movement on a longitudinally movable member 50. The latter is secured to a piston 51 moving inside a cylinder 52 which is formed with a piston land 53 and is itself slidable within a stationary cylinder 55. The first piston is traversed by releasing, with each revolution of the work, a predetermined volume of liquid from the L.H. side of piston 51 by a cam-operated valve. The second piston 53 is supplied with liquid through passages 106, 107, from a control valve 57, secured to the longitudinally moving parts, and operated by cam-and-lever mechanism 58 from a cam 36 which replaces the cam used in the main apparatus. Piston 53 thus provides the movement for turning the blade root or shroud portion. Since the cam 36 takes very little load it may be made from synthetic resin or other plastic material. The transverse movement of the tool may also be effected by an hydraulic copying device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB220457A GB864643A (en) | 1957-01-21 | 1957-01-21 | Improvements relating to cam-operated copy-turning apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB220457A GB864643A (en) | 1957-01-21 | 1957-01-21 | Improvements relating to cam-operated copy-turning apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB864643A true GB864643A (en) | 1961-04-06 |
Family
ID=9735411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB220457A Expired GB864643A (en) | 1957-01-21 | 1957-01-21 | Improvements relating to cam-operated copy-turning apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB864643A (en) |
-
1957
- 1957-01-21 GB GB220457A patent/GB864643A/en not_active Expired
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