METHOD FOR CONTROLLING SPEED IN ROLLING STAND
PURPOSE:To improve the product quality of rolled stocks by increasing a speed in a stand before a finish stand than that in the finish stand by a compensation amount between a time from run-out at a front stand to run-out at the stand before finish stand. CONSTITUTION:At detecting run-out of a rolle...
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| creator | NAKAYAMA KOJI KATOU YOSHIMITSU |
| description | PURPOSE:To improve the product quality of rolled stocks by increasing a speed in a stand before a finish stand than that in the finish stand by a compensation amount between a time from run-out at a front stand to run-out at the stand before finish stand. CONSTITUTION:At detecting run-out of a rolled stock 1 at a front stand C by a sensor 7c, a finish stand A and a stand B before the finish stand are kept at a constant number of rotations by a control keeping signal S4 and loop control is stopped by a signal S5. Concurrently, only the stand B is compensated for a set speed value by a 'compensation on' signal S6 and the stand B increases its speed compared with the stand A. Therefore, the stock 1 being in a position between the stands A, B is subjected to a force in the compressive direction. At the time of detecting run-out at the stand B by a sensor 7b, the speed of the stand B is returned to a former speed by a 'compensation off' signal S7. When run-out at the stand A is detected by a sensor 7a, speed control of the stand A is returned. Hence, generation of irregularly shaped parts is prevented and the product quality is improved because no tension acts between the stands A, B. |
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CONSTITUTION:At detecting run-out of a rolled stock 1 at a front stand C by a sensor 7c, a finish stand A and a stand B before the finish stand are kept at a constant number of rotations by a control keeping signal S4 and loop control is stopped by a signal S5. Concurrently, only the stand B is compensated for a set speed value by a 'compensation on' signal S6 and the stand B increases its speed compared with the stand A. Therefore, the stock 1 being in a position between the stands A, B is subjected to a force in the compressive direction. At the time of detecting run-out at the stand B by a sensor 7b, the speed of the stand B is returned to a former speed by a 'compensation off' signal S7. When run-out at the stand A is detected by a sensor 7a, speed control of the stand A is returned. Hence, generation of irregularly shaped parts is prevented and the product quality is improved because no tension acts between the stands A, B.</description><language>eng</language><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PUNCHING METAL ; ROLLING OF METAL ; TRANSPORTING</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900226&DB=EPODOC&CC=JP&NR=H0255609A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900226&DB=EPODOC&CC=JP&NR=H0255609A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NAKAYAMA KOJI</creatorcontrib><creatorcontrib>KATOU YOSHIMITSU</creatorcontrib><title>METHOD FOR CONTROLLING SPEED IN ROLLING STAND</title><description>PURPOSE:To improve the product quality of rolled stocks by increasing a speed in a stand before a finish stand than that in the finish stand by a compensation amount between a time from run-out at a front stand to run-out at the stand before finish stand. CONSTITUTION:At detecting run-out of a rolled stock 1 at a front stand C by a sensor 7c, a finish stand A and a stand B before the finish stand are kept at a constant number of rotations by a control keeping signal S4 and loop control is stopped by a signal S5. Concurrently, only the stand B is compensated for a set speed value by a 'compensation on' signal S6 and the stand B increases its speed compared with the stand A. Therefore, the stock 1 being in a position between the stands A, B is subjected to a force in the compressive direction. At the time of detecting run-out at the stand B by a sensor 7b, the speed of the stand B is returned to a former speed by a 'compensation off' signal S7. When run-out at the stand A is detected by a sensor 7a, speed control of the stand A is returned. Hence, generation of irregularly shaped parts is prevented and the product quality is improved because no tension acts between the stands A, B.</description><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PUNCHING METAL</subject><subject>ROLLING OF METAL</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND1dQ3x8HdRcPMPUnD29wsJ8vfx8fRzVwgOcHV1UfD0U4ALhDj6ufAwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknivAA8DI1NTMwNLR2MilAAAdVwlNg</recordid><startdate>19900226</startdate><enddate>19900226</enddate><creator>NAKAYAMA KOJI</creator><creator>KATOU YOSHIMITSU</creator><scope>EVB</scope></search><sort><creationdate>19900226</creationdate><title>METHOD FOR CONTROLLING SPEED IN ROLLING STAND</title><author>NAKAYAMA KOJI ; KATOU YOSHIMITSU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH0255609A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</creationdate><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PUNCHING METAL</topic><topic>ROLLING OF METAL</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>NAKAYAMA KOJI</creatorcontrib><creatorcontrib>KATOU YOSHIMITSU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NAKAYAMA KOJI</au><au>KATOU YOSHIMITSU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR CONTROLLING SPEED IN ROLLING STAND</title><date>1990-02-26</date><risdate>1990</risdate><abstract>PURPOSE:To improve the product quality of rolled stocks by increasing a speed in a stand before a finish stand than that in the finish stand by a compensation amount between a time from run-out at a front stand to run-out at the stand before finish stand. CONSTITUTION:At detecting run-out of a rolled stock 1 at a front stand C by a sensor 7c, a finish stand A and a stand B before the finish stand are kept at a constant number of rotations by a control keeping signal S4 and loop control is stopped by a signal S5. Concurrently, only the stand B is compensated for a set speed value by a 'compensation on' signal S6 and the stand B increases its speed compared with the stand A. Therefore, the stock 1 being in a position between the stands A, B is subjected to a force in the compressive direction. At the time of detecting run-out at the stand B by a sensor 7b, the speed of the stand B is returned to a former speed by a 'compensation off' signal S7. When run-out at the stand A is detected by a sensor 7a, speed control of the stand A is returned. Hence, generation of irregularly shaped parts is prevented and the product quality is improved because no tension acts between the stands A, B.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING |
| title | METHOD FOR CONTROLLING SPEED IN ROLLING STAND |
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