JPS6464959A - Automatic roll diameter preset device - Google Patents
Automatic roll diameter preset deviceInfo
- Publication number
- JPS6464959A JPS6464959A JP22203487A JP22203487A JPS6464959A JP S6464959 A JPS6464959 A JP S6464959A JP 22203487 A JP22203487 A JP 22203487A JP 22203487 A JP22203487 A JP 22203487A JP S6464959 A JPS6464959 A JP S6464959A
- Authority
- JP
- Japan
- Prior art keywords
- unwinder
- roll
- motor
- rotation
- auxiliary roll
- 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.)
- Pending
Links
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
PURPOSE:To eliminate loosening or cutting of paper when a DC motor for driving an unwinder starts to rotate by carrying out measurement of roll diameter and preset of the unwinder automatically. CONSTITUTION:An auxiliary roll 7 is contacted with an unwinder 1 then a DC motor 2 is rotated for a predetermined time. Rotation at that time is detected through a rotation detector 10 and counted through a counter 11, while at the same time, rotation of the auxiliary roll 7 is detected through a rotation detector 12 and counted through a counter 13. Roll diameter of the unwinder is operated through an operating unit 15 based on rotations of the unwinder roll 1 and the auxiliary roll 7 and the diameter of the auxiliary roll inputted previously from a setter 14, and the operated result is employed as a preset value. Then field current of the DC motor 2 is controlled through a field controller based on the preset value thus completing starting operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22203487A JPS6464959A (en) | 1987-09-07 | 1987-09-07 | Automatic roll diameter preset device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22203487A JPS6464959A (en) | 1987-09-07 | 1987-09-07 | Automatic roll diameter preset device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6464959A true JPS6464959A (en) | 1989-03-10 |
Family
ID=16776048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22203487A Pending JPS6464959A (en) | 1987-09-07 | 1987-09-07 | Automatic roll diameter preset device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6464959A (en) |
-
1987
- 1987-09-07 JP JP22203487A patent/JPS6464959A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2006320A1 (en) | Method of supplying lubricant and apparatus for the same | |
CA1282821C (en) | Drill braking system | |
EP0146906A3 (en) | Speed and phase control system | |
US4712457A (en) | Apparatus and method for cutting window shades | |
JPS5583540A (en) | Control system for stopping spindle at predetermined position | |
US4985608A (en) | Method of positioning a wire electrode and a workpiece relative to each other in a wire cut electric discharge machine | |
JPS6464959A (en) | Automatic roll diameter preset device | |
US4488097A (en) | Electric motor rotation position control device | |
EP0347472A4 (en) | Spindle orientation controller | |
MX9606123A (en) | Apparatus for automatic production of ice. | |
JPS5440457A (en) | Safety device for elevator | |
JPS52155503A (en) | Rotation controlling device | |
JPS564377A (en) | Method and device for arc welding | |
EP0767055A3 (en) | Monitoring device for the driving device of a printing machine | |
JPS6464724A (en) | Traveling device for fine electric discharge wire | |
JPS5732450A (en) | Copying machine | |
JPS55101305A (en) | Preventing device for breaking of drill | |
SU963806A2 (en) | Apparatus for maintaining constant cutting speed at face machining of articles in machine tools | |
JPS54113586A (en) | Control method for running cutter | |
JPS5568440A (en) | Electric system control device for motorcar | |
JPS5344819A (en) | Apparatus for stepwise driving | |
JPS5741814A (en) | Setting device for rotational speed of roll of rolling mill | |
JPS55144939A (en) | Numerically controlled multipoint tightening machine | |
JPS5214808A (en) | Dc motor accident detecting device | |
JPS5598049A (en) | Controlling device of winder |