JPS57131657A - Motor controller for coiled-material treating device - Google Patents

Motor controller for coiled-material treating device

Info

Publication number
JPS57131657A
JPS57131657A JP1602981A JP1602981A JPS57131657A JP S57131657 A JPS57131657 A JP S57131657A JP 1602981 A JP1602981 A JP 1602981A JP 1602981 A JP1602981 A JP 1602981A JP S57131657 A JPS57131657 A JP S57131657A
Authority
JP
Japan
Prior art keywords
gate
change rate
field current
output
current standard
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
Application number
JP1602981A
Other languages
Japanese (ja)
Inventor
Tetsuo Watabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1602981A priority Critical patent/JPS57131657A/en
Publication of JPS57131657A publication Critical patent/JPS57131657A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
    • B65H23/1955—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations and controlling web tension

Abstract

PURPOSE:To prevent large variations in tension by a method wherein a field current standard for a motor is changed as a change rate suitable for the degree of acceleration or deceleration at the time of accelerating or decelerating a material to be treated, in a process of unwinding or winding a coil-formed material such as sheet steel or the like at a constant tension. CONSTITUTION:The content counted by a counter 18 for the field current standard for the motor is read at a predetermined period with a pulse output from a pulse oscillator 14 as a clock pulse. The counted contents sequentially read are compared with each other to calculate the change rate of the field current standard, and the change rate thus calculated is fed out to a frequency converting circuit 25 as a control signal. The output from the frequency converting circuit 25 is passed through a gate 28 (which receives a detection output of an acceleration/deceleration detecting circuit 11 as a gate signal through an inverter 27) and then it is fed as a down count into a counter 18 through an OR gate 29 provided at an output terminal of a gate 17 for the down count.
JP1602981A 1981-02-02 1981-02-02 Motor controller for coiled-material treating device Pending JPS57131657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1602981A JPS57131657A (en) 1981-02-02 1981-02-02 Motor controller for coiled-material treating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1602981A JPS57131657A (en) 1981-02-02 1981-02-02 Motor controller for coiled-material treating device

Publications (1)

Publication Number Publication Date
JPS57131657A true JPS57131657A (en) 1982-08-14

Family

ID=11905137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1602981A Pending JPS57131657A (en) 1981-02-02 1981-02-02 Motor controller for coiled-material treating device

Country Status (1)

Country Link
JP (1) JPS57131657A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5575435A (en) * 1991-09-26 1996-11-19 Sealed Air Corporation High speed apparatus for forming foam cushions for packaging purposes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5575435A (en) * 1991-09-26 1996-11-19 Sealed Air Corporation High speed apparatus for forming foam cushions for packaging purposes
US5679208A (en) * 1991-09-26 1997-10-21 Sealed Air Corporation High speed apparatus for forming foam cushions for packaging purposes

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