GB882791A - Torque responsive control device - Google Patents
Torque responsive control deviceInfo
- Publication number
- GB882791A GB882791A GB2981959A GB2981959A GB882791A GB 882791 A GB882791 A GB 882791A GB 2981959 A GB2981959 A GB 2981959A GB 2981959 A GB2981959 A GB 2981959A GB 882791 A GB882791 A GB 882791A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chuck
- clutch
- overload
- shaft
- spring
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G15/00—Mechanical devices for initiating a movement automatically due to a specific cause
- G05G15/08—Mechanical devices for initiating a movement automatically due to a specific cause due to the load or torque on a member, e.g. if exceeding a predetermined value thereof
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/04—Arrangements preventing overload of tools, e.g. restricting load
-
- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/12—Adaptive control, i.e. adjusting itself to have a performance which is optimum according to a preassigned criterion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Gripping On Spindles (AREA)
Abstract
882,791. Clutch control. EDDY, W. C. Sept. 1, 1959, No. 29819/59. Class 80 (2). [Also in Group XXII] A torque responsive control arrangement reverses the direction of rotation of the tool of a machine tool upon overload, which is driven by a reversible pneumatic motor 12. On the occurrence of overload an electric circuit is completed to reverse a valve 132 controlling the supply and exhaust of air to the motor 12. At the same time a solenoid operated valve 72 is actuated to open the cylinder of a clutchoperating piston 60 to exhaust so that a friction clutch 30, 32 in the drive to a chuck 14 is disengaged by a spring 54. A time-delay relay subsequently opens the circuit to the valve 72 so that air pressure is applied to the piston 60 to re-engage the clutch so that the chuck is driven in reverse. The driven plate 30 of the clutch is connected by a spring 110, which yields on overload, to a shaft 34 driving the chuck. When the spring yields a contact arm 118 fast with the clutch plate 30 engages a contact 119 or 120 adjustably mounted on the shaft 34 to complete the electric circuit. Adjustment of contacts 119, 120 varies the maximum torque transmittable. As described, the mechanism is applied to a tapping machine and the shaft 34 drives the chuck through a pin-and-slot connection, allowing axial movement of the chuck so that the tapping die can feed itself on to the work. Limit switches are included in the electric circuit for reversing the motor at the ends of the stroke of the chuck.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US754595A US2973067A (en) | 1958-08-12 | 1958-08-12 | Torque responsive control device |
| GB2981959A GB882791A (en) | 1959-09-01 | 1959-09-01 | Torque responsive control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2981959A GB882791A (en) | 1959-09-01 | 1959-09-01 | Torque responsive control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB882791A true GB882791A (en) | 1961-11-22 |
Family
ID=10297684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2981959A Expired GB882791A (en) | 1958-08-12 | 1959-09-01 | Torque responsive control device |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB882791A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2505695A1 (en) * | 1981-05-15 | 1982-11-19 | Desoutter Ltd | MOTOR TOOL FOR PLACING TAP INSERTS |
-
1959
- 1959-09-01 GB GB2981959A patent/GB882791A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2505695A1 (en) * | 1981-05-15 | 1982-11-19 | Desoutter Ltd | MOTOR TOOL FOR PLACING TAP INSERTS |
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