METHOD FOR CONTROLLING SHEET CROWN IN HOT ROLLING LINE
PURPOSE:To improve the shape quality of a rolled stock by comparatively calculating set rolling conditions with an actual operating conditions and a surface temp. distribution of the stock and performing temp. control to a form an optimum temp. distribution on a succeeding stock. CONSTITUTION:A mult...
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| creator | TAKAI SHIGEMITSU ISHIKAWA SHUICHI SAKAMOTO RYUKICHI |
| description | PURPOSE:To improve the shape quality of a rolled stock by comparatively calculating set rolling conditions with an actual operating conditions and a surface temp. distribution of the stock and performing temp. control to a form an optimum temp. distribution on a succeeding stock. CONSTITUTION:A multistage finishing mill 1a...1n and a sheet thickness control unit 3, and a host computer 11 are installed. A thickness gage 6, a thermometer 7, and a temp. controller 8 are installed in the inlet side 5 of the mill; a 2nd thickness gage 13 and a 3rd thermometer 14 are installed in the outlet side 12 of the mill. The host computer 11 compares previously set rolling conditions with actual operating conditions such as a drafting force, position of an intermediate roll 4, and a sheet thickness distribution and forms an optimum temp. distribution by controlling surface temps. of a succeeding rolled stock. Then, the sheet thickness control unit 3 controls a drafting force and a position of the roll 4. The shape quality is improved because crown control is performed in an optimum temp. distribution. |
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CONSTITUTION:A multistage finishing mill 1a...1n and a sheet thickness control unit 3, and a host computer 11 are installed. A thickness gage 6, a thermometer 7, and a temp. controller 8 are installed in the inlet side 5 of the mill; a 2nd thickness gage 13 and a 3rd thermometer 14 are installed in the outlet side 12 of the mill. The host computer 11 compares previously set rolling conditions with actual operating conditions such as a drafting force, position of an intermediate roll 4, and a sheet thickness distribution and forms an optimum temp. distribution by controlling surface temps. of a succeeding rolled stock. Then, the sheet thickness control unit 3 controls a drafting force and a position of the roll 4. The shape quality is improved because crown control is performed in an optimum temp. distribution.</description><language>eng</language><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PUNCHING METAL ; ROLLING OF METAL ; TRANSPORTING</subject><creationdate>1989</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=19890210&DB=EPODOC&CC=JP&NR=S6440108A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19890210&DB=EPODOC&CC=JP&NR=S6440108A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKAI SHIGEMITSU</creatorcontrib><creatorcontrib>ISHIKAWA SHUICHI</creatorcontrib><creatorcontrib>SAKAMOTO RYUKICHI</creatorcontrib><title>METHOD FOR CONTROLLING SHEET CROWN IN HOT ROLLING LINE</title><description>PURPOSE:To improve the shape quality of a rolled stock by comparatively calculating set rolling conditions with an actual operating conditions and a surface temp. distribution of the stock and performing temp. control to a form an optimum temp. distribution on a succeeding stock. CONSTITUTION:A multistage finishing mill 1a...1n and a sheet thickness control unit 3, and a host computer 11 are installed. A thickness gage 6, a thermometer 7, and a temp. controller 8 are installed in the inlet side 5 of the mill; a 2nd thickness gage 13 and a 3rd thermometer 14 are installed in the outlet side 12 of the mill. The host computer 11 compares previously set rolling conditions with actual operating conditions such as a drafting force, position of an intermediate roll 4, and a sheet thickness distribution and forms an optimum temp. distribution by controlling surface temps. of a succeeding rolled stock. Then, the sheet thickness control unit 3 controls a drafting force and a position of the roll 4. 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CONSTITUTION:A multistage finishing mill 1a...1n and a sheet thickness control unit 3, and a host computer 11 are installed. A thickness gage 6, a thermometer 7, and a temp. controller 8 are installed in the inlet side 5 of the mill; a 2nd thickness gage 13 and a 3rd thermometer 14 are installed in the outlet side 12 of the mill. The host computer 11 compares previously set rolling conditions with actual operating conditions such as a drafting force, position of an intermediate roll 4, and a sheet thickness distribution and forms an optimum temp. distribution by controlling surface temps. of a succeeding rolled stock. Then, the sheet thickness control unit 3 controls a drafting force and a position of the roll 4. The shape quality is improved because crown control is performed in an optimum temp. distribution.</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 SHEET CROWN IN HOT ROLLING LINE |
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